.^ le^ oi the Un/tec/ ^5^. IN CO ^ti e« PO^Ul/At? EDITION OF OENIbOM'S CHARTr-j From Commendatory Notices. From New York Medical Record. " No well-furnished private library should be without a cop)'." From Boston Herald. "Nothing so graphic in the delineation of climate or in illustration of the physical features of the country has been attempted before." From New York Herald. "The plan and execution of the charts are admirable, and the statistical material from which they are prepared is reliable." From Prof. Wm. Pepper of Philadelphia. * * "I have examined them with care, and am struck with the amount of pains- taking and accurate work you have devoted to their preparation, and with the much amount of valuable information you have condensed into this form, so available for consultation." From Dr. Frederick I. Kniglit of Boston. * * "I am delighted with them, and am sure they will be invaluable and indis- pensable to every physician who has occasion to recommend ciiange of climate. The pro- fession owes you a great debt of gratitude for the immense amount of thought and labor which you have spent upon them, to say nothing of incidental expense." From Dr. A. N. Bell, editor of the "Sanitarian," iVew York. * * " Your charts are exceedingly valuable contributions to sanitary science, and worthy of a place in the ofifice of every medical practitioner in the country." ^ THE LIBRARY OF THE UNIVERSITY OF CALIFORNIA LOS ANGELES Map Library G- CLIMATES OF THE UNITED STATES IN COLORS. POPULAR EDITION OF DENISON'S CHARTS, WITH ADDITIONS. BY CHARLES DENISON, A. M., M. D., DENVER, COLORADO. Professor of the Diseases of the Chest and of Climatology, Medical College, University of Denver; Ex-President American Climatological Association. author of "The Rocky Mountain Health Resorts," "Tuberculin and the Living Cell," "Exercise for Pulmonary Invalids," etc. / DESIGNED FOR USE OF PHYSICIANS, TOURISTS, HEALTH SEEKERS, FARMERS, AND SCHOOLS; BEING A REVISED EDITION IN CONDENSED form of "DENISON'S ANNUAL AND SEASONAL CLIMATIC CHARTS OF THE UNITED STATES," with SIGNAL SERVICE TABLES, comprising eight million separ.vie OBSERVATIONS, USED IN THESE GRAPHIC ILLL'STRATIONS, TOGETHER WITH ADDITIONS, ;'. e., THE Chart of Elev.^tions in the HYPSOMETRIC ILLUSTRATION and the eleven-year average OF CLOUDINESS PERCENTAGES; WITH descriptions of ANNUAL AND SEASONAL WEATHER DATA [the seasonal division being a new and special feature of this series, and the preferable one for the proper STUDY, of CLIMATE]. ALSO the predictions OF WEATHER from prevailing or given wind directions, and the HUMIDITY STATISTICS OF AIR MOISTURE OR DRYNESS FOR each season OF THE year, IN EIGHT EVEN DEGREES OP COLOR, MAKING A total of twelve charts and ELEVEN TABLES, PRESENTED AS A CONDENSED AND HANDY SUBSTITUTE FOR ELEVEN BULKY VOLUMES OF U. S. Signal Service Bureau's Annual Reports. PRICE, $1.00. [COPYRIGHT BY CHARLES DENISON] PUBLISHED BY THE W. T. KEENER COMPANY, 96 Washington St., Chicago, III. 1893- THE DENISON SERIES. eg B « f; = " S ">*■ o >,S 0) o S S: o go ■ = — ^ r = £ H b P H X fc, O C C *" £ °-S g " « 5°"=" ■5-3 C - -^ i' « *- c tc ^ U >-i ^ x-o _ Ox: E o S i'^ 5) ^ x = 3 T3 *- cj " . - D O -_ 00 3 ll„ — = r »• c. c -g 2 mill? p-:: _■- IE d « C -^ rt i _ -3 ■- ®*t; c o ° f^ ■" a, I- X E e >, -. -:= §■- =^=* cj s3^ -*;=; a^^^ eJ - *j o >x: ^ ■■= o i s i'M ■- O — '^ t -C D C ~ = £ 5 ^ 2 " 5 i; » X — ~ g.S s-^ So" o~ 5 = S S.2 ||E-S°c ". -2 - ; ^ o 5 J- X O^ «-^ *3 " 0) "■£ a-S 2 = 5.5 i S=- O = -S £ g ° O .Q 3 ^ 'ZJ t-^ ^ c -•" J^"" ~ " S s i- 1 g h— - Z ^"S S: g-.H S .S Z « !.,f.S S S ;::.- n box . .= &. ^ ™ "^ X -3 C/2 pq o I— ( <1 Eh a o »^ <^ p o o -I— I Ph I— ( P5 o P O > H fa O ??; o < o rn z l—H Q D O o o > < o J?; o O S 5S H a 1:i o ■= a. s- II 6 S § 1/3 O O Q ^1 •3 = I > K .2 g« fa ^ 5 = a 5- tl •icnaay •uumjtiv CO -H C3 CO -^ lO -H COCOlC o lO O TT iO Maraoins ^^^^^ ^J* ^1 '^< '^< TOcamto ■Saudg W LO W CO — iC O !-■?> o o L'3 -* lO iO a OOTi-'OOCO-^'^OSO I- t- t' O t~ t^ t- t- I- 1— ' O Ci »-» 0? 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CO c: lo JO CO CO CO CD CD io JO JO to ClCOt^-^tOOSi-HtDCS CDCOlOCDCDtOlOlOtO ^53! 00 CS O l> X C5 — t^ to '^f'^ -T -* Tt< 1-1 C> t- O GO O ^ -^COrtiCO-^ lot-o^xi^r'cocot^ t-XCO-t'T^rSCOT** cot^ot-ioi-cot-o -t COO COCO QOIOCDCOCOOD O OX O 0» CO to JO '^ to to to o c; C5 -f^ -^ to CO JO t^ •^M'-^tOtOtOtOtOtO ocr>x>iojotocoio to to iO lO to to to to f-COO»Wi-<!'• t^ jo" t-" t-" cs" o" T-T ^1 /n _. ^ o> Ci ^ « ^ t- X C' r- t- GO co' i-T -r-T oi" i-T co" O.-H-'O— ' — OOOO t- o (- r- t^ t'' C'' I- I' ooocoot^o o t^ IT- O I- t- l^ l^ t- 0>— 'i— IC>— <"^COO !> I> l> Xf I> t-- t- 1-- t' OJi-TtH COrlxJ"'-''— 'Oi— t-'— 'rH" th m* t-T jrT -"-rci' T-T i-T o' '** -f" cT T-i" to' --i '-^'" i-T ^1-5 03 o o " o* « o> CO 1-5 i-s •< »^ O > > >' t-i > brj > > oooracpoo fi !>-.>> fcb ;^, >> > >■ (»■ ' ' ,' • i I "" ■ ! 1 t;.:^ JU a c; M 1-^ _!3 i; ?> ? i^ : a i7 9 » »j -^ ?Hf- 3 CM wo 5"^ I 9 : < a : ; H ; > a ' ; es ; ! >»> ' wj 9 o 3 C CO -a >> — — cm ' S .t: $^ a c3 u 5 2 i; "3rt*9'7:ni^ri™ *^ ' ^ to " gp^|£='^g5^s;.2£|5g j=-3 ja o oooa ?5SS ",2 — 1> rt ^ ^as 01 HrH .H.H "'-'fa- 3 « tmifl II .15(1(1 U.13 jo(l 5.iit\.» ;m(j^ 03B ^lU no 0-i[)BqH ;o 33bjoat( IITI JOJ raojj i!oj;tiiui-(TiAV JO ■]uo3 J. id mil iiniia.^l ii'U qiiM A\.1[.J JO siiojijod III innn jn(( fll nnqj .uom Ol 'sims p.ninn SMl J" "oi.'?.i)l o^iii-i li;jlii.-i,i il.i.ii|lJ|.< .iqi ji • .( •; ■.i.iu.ij.ijiii .ttj p.iuiBiqo iBiu niiqi 3.)iiiqn utirfaqiouMi ,)qi joSiicuoHOoj .1 qio on Bnq iiii uun .wiAjfig luu-iis .iqx ■jniyxutis to uomuttp .v// jo p.iuniiqo I'l.^ oitiiu!ini>oitijn.wn 5'l|ii niuq ssnu -!pii(i|D9! XiJSpioiijn.i -.OBjjnB b.iiijb.i oqi uiojj aoiiBiiiBj iBiibatiii .iqi pus flonijBi|ii,i.>d piDO( A'q pui.i.iyB .iii oqi jo BH.iiiipuolD nAipq.ij ,iq,|, -■SSaNIa^O^O T-( CD 'C to P.3 •a r-( IO ?-( ■=> O OJ j: 3 w 3 ■a coP O o m - o - THE DEXISON SERIES. THE ANNUAL CLOUDINESS CHART. AVERAGE, NEARLY 11 YEARS. THE DENISON SERIES. PEBCXliTAGE OF TIME THE SKT IS ClOCDT. Under 30 30 to 40 I 30 to 40~ 40 to 45 lllllllilllll 45 to 50 I 45 to 56~ 6() to 55 I ^ 55 to 60 55 to 60 Above 60 I THE DENISON SERIES. < W O < P o I?; o fin I— I in P 3 5 a a .: >. x: - » " s •= = •- » to p.^ s Wl O _ s o .2 •« ja .2 c 3 tu — a s §■ 3 •a ■ ^ Q ' 3 '3 a P r/3 CS W .2 t-1 & pq fl <1 'O H "3 ^^ -d < c3 O 1— 1 ^ H J 1— 1 < ^ -, ■=• « 5 2 5. '^. ' •?.-? 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'"' eft ,0 03 O > flS r-, OOu3 = K«^r-^,ij P3mpqp3«OOiJOOU o 2 a t: 3 tn.„ C3-T3 ^ *^ ™ a O — = 5 = 9 j= o ^S54^ 3-?! 3.22II OD^oartojojo OJ " 03 1: V, TS c3 « C M Sfe O H 75 I OJ «~ 3^ 3393 ii a iu J20 3.2 X 3 E . 3t>-ii « fc.-'-H t> O 33 THE DENISON SERIES. THE Annual Rainfall and Temperature Chart. AVERAGING NEARLY 11 YEARS. THE DENISON SERIES. Isotherms (mean annual temperatures) since commencement ol obsen-atione. RArNFALL (and melted snow), in inches, since commencement. 10 THE DENISON SERIES. < o < < o o H Ph o ■3 p. U) :Z-S 5SJoj9;S---o > ~ ^ «i'5c.r S S i 5 ^"5 o O ?E 1' '— /_ -" '- £ S ii 5s * S-t. 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Minn, .Utah .Ohio .N.J. ..Cal. ^^ «HOHg 1 d.2|.|?:o o'O >^.g ! 3 ; '• 1 ; 1 ; 1 i ; 1 ; ; 1 1— < ^ : iz 1 1 CO ' ' ' 1 ■ 5^ c o = c c 1^ a Iz New York Norfolk North Platte... c o a OPh Pensacola... .. Philadelphia ... Pike's Peak Pittsburg c I 1 p- c 1 o fl a It it Rio Grande City Rochester Roseburg ... . . Sacramento Saint Louis Saint Paul Saint Vincent.. Salt Lake City- San Diego Sandusky Sandy Hook... San Francisco.. Savannah Shaw, Fort Shreveport Sill, Fort Smithville Spokane Falls. - Springfield Stockton, Fort. Santa V(l Tliomas, Camp. Toledo Vicksburg - Visalia Washington West Las Aniihf Wilmington Winnemucca. -- Yankton Yuma ^^-C■>L0a0t'r:lr3 0■»'-H-rt^X^L*T* « lO 0* 1-H l^r CO CO CO O O CO CO --• C^ CO CO C-J C^i CO C) Ci C-* G^ C'J 00 t-H C» CI C^ W .— 1-H C> C"* CI O* Ci CO JJ^ W « Tt^ o> C» M 'rHco^-^t•-l>QOO^-lC-rooX'-HOxot^o^:--|^-•OlOcot-OlOCia)coc50c>oot-c■(Ococ>^-lClr^co^ooo--^GOoc^ COCCOCOCJ'^OTj^-t»OOrJiTj^CO'^-rrO^'^COW'^OOCO'*OOCOO:>COCOClCfOOCOCO-^COT^:OCOCOU-JCOCO'^:=OCO^ OC1^*OTJ^OOlr>.--OX:oaOXO■X-t<•*X>COCOLO■^^COO'*^JCOt.'^0'rt'LOC}OCJCJC(C>'^OOOCOOaD^O'rtHOQO — t- ■^OOXCT-H^X>t-£-r3C*OOCOOXXOrtC*^OlO'^Ci.-JKcOOCJ50^CDt'OC)C?-^CS-^CjTrcO"^^r^CiOO'T-5*ci C> CO (D C> C> -t ■* CO CO :r 1* '* -t ■r-i Ci -^ CO CJ CO -^ C» CO CO CJ C> CO « C> CO CO CJ C> 1-- C> CO Ci CO CJ "^ O C) Ci O Ci Ci CO tr- o o? t> -^ ^■rH0100^10X>^OC»0^-C7C?OX--H^-:Dl--0'-^t-^-OCOOC11CiOD5Cl'*Ot'COOOt-Ot'rHW■^^-.0'^0'*CCC>COCO^ c^t-ao^'C*t-t-l>xt-•t-t-ooc-xcot-•cDoow^not^'»xt-I^ COGOCC'-'COi>Ot- ■iraOI>XCO<»C>'-'--COC>OOC3 0COCOiO'--'b-'*"<*0:OCOI>QOOOC»CKOrH^CQlCCl'^asGOTt4CllOO-*C>'^ Ol^QOO?SC-T-H "^OSOOSCliOi-HOTjtt-lOt-Of-wO CSCSOt-«^COC?CO.-Hi-.C»COT-^OOCiQO OCiO XCOCO ot--o^co CO CO —< o X CO :r !.*■ — .c :c o "^ o> -t '^ ID o lo o -^ ^ i- CO -- o — ur: r: T-. x Cr (X o X ^ X io X lO T- o ■^ t- X CO £- X o t-- cti c"» c) .-H I-- o "O o CO -^ r: X ^ -^ — -^ .-1 n o -T -^ -o c? X CD CO CO c^t L-^ t- o X' o -^ CO <:rs ( - 1.0 c; 00 •- o ^ CO o ^ o X cc ^ t- o (- --^ — oc o £- c( ^ -p to — :r o ' — ■ X -. i- i.o o co t' ^ o o» x co i-O co r-. o X' x rr lo t- o c; x Cf ^ o '-- ( — r x *- o 'C: o* -r --• x ^ co x ci' --( f co o ci CO :o LO --r -w iT^ c; ~. c o n- -* -3* c- -c 'C: ^ o ic :o o o CO CO :?< T- 'T Tj^ o X CO i-o t- L- X CO £- ^ CO t- I- Lo -- ^ t' -t 05 -* o t- o ^ u^ OC?CO:OOC-tDt- '-^OCOXCS— 'XOOiOOOlO 'ooO-^Ci^C-^lOtO^OOwC^ ^OOOOOMtDCDCOOOl-OOIO^O 0'^Tj'c:o(-i-(c* ' lOOOooo-^r-iCJCiOCD-^w tCDOojcs'^co — (c^m^iracDXi— ''^c»'X>>-'OiCM'i=;i' « lO ts CO :s cot-oco ■ cox »- 1- 1- co c~. t- S x l>OiAO00i-HC0i-HC3 0S'-HCsXOOOOOQ0<000T-i--05XO--C0O'*C0OOC0ait-C0i-HC^i-H — irsOO^'-'Cli-H^OUO-— C>l>-4 1-. t- c-- 1' J-- c- t' t^ 00 c* t^ c- ^- t-- 1^ 00 1* t^ t^ t' f* t^ t^ c ►- O go c ....III. ..Ohio .-Ohio o c o . . Iowa - Texas .W. T. . .Dak. ler.Del. ...Col. . . Iowa --Mich. i o §3 . .Taxas ..Texas -...Pa. --Mich. .-.Ark. . Texas .-Mich. . . Ariz ..N. C. -Mont. .Texas ...Fla. Towa fa c iz ■>gO<=i > c a c c rr a. £ pe Henry- :ie May )e Mendocino., rtar Kevs. . . . arleston attauooga arlotte icago incoleague icinnati veland U "Z o fa aP > > yton adwood laware Breakwa uver - s Moines troit > O : o c iott, Fort Paso a •anaba ^1 > C ant. Fort -. tteras - --. lena ' .2 \'o • c • a a = C :t *— — *> M > > 12 THE DENISON SERIES. THE CHART OF ANNUAL WINDS, GIVING PREDICTIONS OF WEATHER. 4 THE DENISOX SERIES. 13 Winds— Blowing as the arrows fly. Each group ol arrows re preeente the section in its vicinuy. ■< — (^PKEViiLiNG Winds (wicde blow as the arrows fly). , „W lNDS LEAST LIKELY to be followed by rain or snow (quadrants '* ™ indicated by the arrow's feather) . ■*-^-^^DrDS MOST LIEILT tD be foUowed by rain or snow. 14 THE DENISON SERIES. THE HYPSOMETRIC CHART, ILLUSTRATING REGIONAL ELEVATIONS, ARRANGED FROM GOVERNMENT SURVEYS. THE DENISON SERIES. 15 '^levatiuus above SeaXevel. 100 (T. OR LESS. 100 TO 500 FT. 500 TO 1,000 FT. 1,000 TO 2,000 FT. 2,000 TO 3,000 FT. 3,000 TO 6,000 FT. ^ 5,000 TO 7,000 FT. ABO.'E 7,000 FT. ^ THE DENISON SERIES in W <^ s-Si;s^a._.-u>, 3.2;;-S S ^S S » o a oD P c O O = — ■- i O 0) =3 •S^ 5 g-Oy-S 'a; SJS- H =5 S; o -o = fliiilff"ii rc_0 i o o '-■ 2^5! ,S i; « =* c"^*^ -* i - : C J.S ■- - - - L- * . _ " 2 t, Q. M — -^ Tj p "-J" rPt3 ;: :: --^ ,-^ ^ = s = ~- i :j S = = S > 'a «- ^X! S'Hw C r » 6-.*" c.S'"'^ S3 -- S't:;^'-' C^O -! — ^ ._ " -^ >.f.-" - l^ s. E r - !E ■- t, z i> Ci c * =: c «£ 5 5^ _ -c 5 _ -c — , > ^ — — ■" © aj a I 5 1 1 S II t. — ja ' — "o «j c3 = w E i; 1. Q) a— t-m-— y - ■2 =: ^ X "^ X - O ff (» ;; — r « ■" tj S =^-:; u ® sd '^ 5 ? 2 ^o a) ^_o ^x3 n :: 2 QJ — i ., — ^ O a ' ^5 S = ° alf-oS o :^^^ o) i[_;^ = i'2'S£2 -. .:3 1/ ~ ^ Tj .i: = - '^ -I - s = §■2 5-x |5 = g-^ c^r ^-^ = « < E ^ S « ? S3 o^ S- o = i = — -i - ^ 9 - C-- -^ =3 ?* ^ c»- - . ^ ^ ^ w 5 " ^, -r : o o c : 5^ c s " cj = 'x e; =! C I- X' - j^ I. 5, C dj .1.. ■- >> f,^ •5^ *e y s^tS " rt 9 S t: 355^ 9 is < X g c g.s g^2 -, ? « 1. 27 ^ o Oil §■». a: O " 3 g3 O'u ^ :- :: c x — -.- - » = 5 "■£:■""©'- ;;-— ^- h- 1 PL, O CO o I— I I— I <1 r- 0'T8 i'Gi Q-fe'i Eii rgi O'Si H m H D w w in I — i m < o W < a O _] o Q M O M K Q c « 1^ o o o < -a 00 r^ [^aoes93 §u!-CaT?diuoo.jc loS oj | sjjcmijo Sant!j ui paan 'tgfli 1 ■8881 'jib jo ;ooj oiqno aqj o\ JodsA JO iiitij^ y. JO eqjas} ni '^jipimn'q 3]n{09qp nB3t^ '£881 *nontJJn5B3 JO -jaoD J3d ';(J!pimnq .i.uicioj ubok 'ESSI'-^poop s"^ ^!t^ ""m •'tnii i — oMxr-. o»o«i>05 — * Jo 'JU-JJ J^d 'S80U!pnO[3 UB9J^ [iOiOCClC*0«:*0!DO"^CD^ o 3 .a — ' >. =! ^' o -^ — ' a .2 c •s^jBid joio;> I ^s'jiJmiio SapBi ui pasu '£891 'ju! JO 'jooj oiqno oqi o^ ao'dtiA JO uibjSV jo sqinoi \\\ 'Xtipitnnq ain[09qu nBajy; I •8881 iioijBJnics jo -luao jnd *At!p[ujnq .lAijcjaj UB3K I '888t *jCpnop si?M X51S aqj ainii JO -juoo jad '9s3uipuo[0 u«on O r" Q.t^ "^ C i ShJ3 n— xi-5 S-C1-sjuv JO uvai J" "»JK i9 99 £9 t9 89 S9 19 09 6S 8fi iG 9G Q9 'JIV JO 'duiax 8if 89^ ooi- LGf ?■ Gf- IG?- 8-tf' Gtf o-i-t •-iliptuniq 'squ pa« 181 SSjpnop (•oiqsnns) 10 > ■*IV ■ilTpimnq eaniosq'B joj sejni'Baedniei nSAiS i* 0053 i9 pus 'Ajipirarm saiibisj joj luao aad 2,9 'sseurpnoio Joj uueo anjeq 'sajniBJeciraei UBera oj Saipjooo'B saiBis pejian em ui ssatLSJi THE DENISON SEUIES. 17 Oi•^c)o^-ooQOC5^---'COOl--■-*i^■^o<:ot*o-H(•-Ti^c50^ooc;oi'--*col-r-<^lOiMGOOTr'^-Haoc5GO■^coot'OlO ^ >■ ^^^ ^"^ ^^ *,-. >— ^^* -* ^^ jr#^ '^ *^ '*'^ J ; > d CL a J o r- cj ir* o Ci ^— — : rt -, C — c C O 5 = ^5 CI s^^^> t^ imk = ,°*3 «-i^ c3 -» — - C -f- »- ' J^ C O — = i E^^^c^'e-Ss >5Z; (^•s X zo ! ; 3-3 -c^ g 3 °£ c-2 ; So ■ -^ » i "> 2J > CM ^ ^ ^ "^ -^ O ^ S tfl cS CJ — ".X-— o o c cu P- a. Ph &H pu c- OS- fcliQ :- CJ 3 = O 3 ^p:t ,.'^ lll«Pl^l^i=€isJ □ 3 a «^ " -^ 03 fc- «*"" .--■'-'-' :S cS cj c; (S 03 » 03 fc- _«- ->J O tn (=, ^' '-; a ■ 1 1 , Fi ■ f1 ' 1 1 ' , 01 rrt a u burg a O fcc <1 o 3 a a o a HHk> ^ ^ ^^ 3 d ^^r**0»C5t'T*«030COt^a)C'I'^IOOOOO"^aO'^0«00}OSO"*«0:-OCO?OQ01COiCiTj<-rt<0000'i-''7JCC iC J.-? — . — -^ h-^ CC O -^ CD « o o c-i t- CO CO T-H ,-H oi I- o :5 t- « C5 C^ O o 'v iO ;3 S.^ >■ *«• fe J - J >^ ^ i* Q □ - - „ ~ - g-g o30tiSOOOOOI«00— •t-e5(300i-ia)0-*COOOCOC5t-«>rt«— 'r-llOOC5 ■ 00 t- t- C* t- t'* t-> t- t- t- QO t^ t- t^ t' t- t' QO t^ t- C- J;^ 00 00 £' t' t' 00 t> 3 Ctigg-g >' -i 2 oi .3 cc > '^ J" d t^ o ^ t> J > ti > ■S.^ t>' o >-: >' t>' >^ s^ a =-' ^ > o J =•"';" ^.■S ^> J — ' '-I o — ■ T-H o lo '-' o> r- t-i a) >■• > ' «M>. T3 a C3P3 ■ o • a '-/JZ^fe:' B t-iMfi-, 3 :s2 d t-5 X ce ^' ^ >^ ^' tsj cJ tf* -iij -d M rt 33 03 o d «' -^j d o i- CQCQ ,2 il. C CL*T— cJ Cj c; Q^ .— rt a! c; !3 oja-3jnj3ja OOQOOGOOOO ■S -a t« f^ ■ 0-^3 3 o ooc -- OOUOQQOCQ ; . fe .T3J<1 rt ' O H) i:s^ P3 >»o3 ^ GJ '5)w;£f^.2 ■■3 ^> '■ ■• |a|w£s c- w c- a a --^ • OJ ;R«^ o _ ^ •55 5"^ 6=^ 3 3 3 sfe J !> 0) ofl «J "s-^ r^ 03 oi -JhJ 8G OS St- Lf 9f ;o 'aui*x 8 gf' 8 8^ G ZV LZf 6 It Q-If' fit lit -^1|Plu]ni( '•qv piiv (•■■ti.pnoi. (nuiliBilns) .1 ' ""MV It nt f.8 88 IS 98 S8 t8 88 E8 08 OK ■'jv JO ■doisj 6 0t GOt rot 8 68 68 f()8 g68 (i8 G'KS i-88 S-88 e-88 f88 ■^llp|iiini| ■iq« puv 9S So OS fil 91 tl EI (II 8 9 t Z oO •'H"J joduiaj. BJn^oe JO ijueo aed J9d H^^ io rans em jo pj^m-ano I ao 9JniBioi«i 3uiu!ccij9}e\) joj suBem •AiOiaq soiisjims [unosBDS ail) "! "•''AiS 0J1! s,i.nin?j,xhuoi figfil aiij, -spouoil SiiO[ joj n|(n;nni)'|(i sji)siiv)s Ksatnpnoi.) pun Xiipuumi ipoq o.i,ia\ paSmuio iiJiiojS aq )ou ppiOAS. sipisoj |T!jauaS aqx '(ssai .lo n) sjtjai Xniiiu joj ajujiuadma) paStuaAi; aqj nuqj saaaSap o.vi} jfijuaa jCq lapioo paSiuaAU 'sajujg psiinn. O'll Jo isoui joj 'tppiAv atsai v —8881 ii^aX aiu joj soiisiums jo sisoq oqj no pajojoo ojb sduui oqx— aio^j •n3u/i.ip 9vi}.i)X} m xis jaAO pnn 'ssa^iH.ip 9)VMpow m aanid i! saiuooi xis JO Xanapgap 1! apiiAV .'9.tn)smu smt.itxs o\ xis jaAO put! '«H;«o!tt pjc./^/joih. o) s3iioioq XIS JO ssaaxa ny 'saiBig pajinQ oqj joj a3iuaAB oqi oj ajmuiia uaAiS aqi jo uoiii'ia.t aq) Moqs hjai 'snniui ao snid 'iinsaj aqi pni! '3;(?»jr Bviivfi aqi ni a.iiv)i!jaduia) jadcid aqj aiisoddo naAiS aaqranii pjupnuis aq) pin; aajqi aseqi jo pjiqi-auo tiaoA^iaci aaiiajajjip aqi atndmoa uaqx ■.qu Jo jooj oiqna aq) oi jodiiA jo wiv.iS « jo squiai uj Xiipuuiui ainiosqi; aqi put! 'ssaniphoia pull jCiipuunq aAipqa.! jo 'juoa lad aqj 'aanid put! ami} naAjS aqj aoj 'pug jsji^ ssaxSLAHa dKY aHiixsioM ^o aT:iia 18 THE DENISON SERIES. THE SEASONAL CHART, SHOWING COMBINED ATMOSPHERIC HUMIDITIES FOR SPRING. THE DEXISON SERIES. 19 20 THE DENISON SERIES. ffl B w D o i o o CD e W EH SOd~ 5 --cs 5.= = c 5 >i; 5 z-bZ ||:i|g=f Jig B %-•' ^S -ig S" .§ a : S a >.o -,.S=! :cs; i.^ o es 2 -t: t. ^' c .^ ■" S^Tr — = ^^i; ^ = =: £.« 5 c ?--•? S 2 f J: £.2 o '^ a a ^ ~ ? ^ C ~"a ^ 3.^-r - = " =-^.2 2=' .- 2 = 5 xn'5 1 t ^ - Si o o="2 3 = " 3-- ; 3 o S -J g ja CO 3 E c ^ :: t,.^ — . ".2'^ ^ IJ — *^— ^ — " a :: X — a i- > C O i «5 ■3 C. ■22 — .-'*-■— a ^ — .coiix r- c ^ o c"?"^-ro'"j3C tx^S^ = r 7 = = 0^-? "S"^^ &£=•- = * =2 CO O I— I m I— I t- :2 t- CO 50 t' CD X- 00 ■SS81 'JIB JO 10OJ OlqtlD Oqj OJ Jo'dB.v JO uiBiS H JO aqjnai UI 'Xjipicon'q oiu[usqB nBapf ?OL'i050ir?'^aOC«^C^^3Dt-'^ j.>d gSSt 'nollBJiUBs jo ■ilipiainq aAiiuiai }nao noaK <^^ C7 Ci *?> ^ c> c^ (?■> :c ■* C5 30 .^ L- t^ :o :o t- 00 "* t- t' t^ w ?D 1 ■8881 '.(pnop 9KM .C!(9 oqi omii JO -ja.io a.id 's^ouipiioio hbok m z :^ 5 i: i a = ? f i; f. a !.-£<> ;'; ■" " to .^ ' ■^ 3 c-t-c-t-t^aooxe-t-t^fr-c-QO 3 = 3 ?^5^ =^ « = = ° i STATIONS. Lewislon Idaho Little Rock Ark. Los Angeles Cal . Louisville Ky. Lynchburg _ Va. Mackinac City ..Mich. Macon, Fort N. C. Maginnis, Fort ..Mont. Marquette Mich. Memphis Tenn. Milwaukee . _ Wis. Mobile Ala. Montgomery Ala. 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[itnostj.is a\\\ 'gysi joj soiiipiuinq ponpitnoD aqi SniAiS S3)i:i(i JiqoD piaosiios 9\\\ jo ost!3 aqj ui s« 'p.iiimq st noiiTSAJOsqo jo ouni -.ny^ o.i.)i|Ai 'pni! 'n':ojng 3jiA.iog 1''d°!S ''Ml J" s joo.u [niamo .iqi uio.i; n.iB puiiclrao.! n.iii so[qiii puB sjanqo osaq) qoiqAi uiojj iijup oq^ -f88t ''118 ^^ni ''^■i-'O NoxosmsvAl 33 THE DENISON SERIES. THE SEASONAL CHART, SHOWING COMBINED ATMOSPHERIC HUMIDITIES FOR SUMMER. THE DENI80N SERIES. T,-^ J2d half. Extreme < 1 1st " iad " Moderate "< ( I8t " .. ^ il'^t " Moderate ■< , (•3d 24 THE DENISON SERIES. 0) I o s lo-*TCoa3L--t<»cococx)-ooc5ss-oor^-*ciQDOooao-«>o JIB JO -jooj OTqno aqj o^ jo'de.i JO uibjS'b jo sqiuai ni •^iipirauq nmiosqB UBapf ■S89E 'noilBjnjBS jo -ju^io jad "iiipininq 9AijB[ai ubo]^ 'E981 '^ptioiOflttM ,C>(S3qioniii JO -laao J9d 'ji^ioaipnoio ub^jj >^>, >>■£. fe> bb ^^ >^^ > > >' -T ci > d -" > ^ r; t: > ~ "a "a 5^^ = «~^'£ooo3ijOa-;ocg — •= b b S o = b (5 O ■•5 ■ a o to- A A 'Scl^Bld .10[03 j ioj 3.iiiiBjadiuoi iBuoscja utsare I 'JIB JO !jooj oiqnD aqj oi JodFA JO aiBiS B JO Bqiua; nt 'Xjipimn'q aiD[oeqB aB9K '£881 'aoiisjnjBa jo '^aao jad •Xiipiiuuq aAijB[3J hb^k 'B981 '-fpno(3 BBM ^>i9 aqi aniia JO "laao J9d 'sd-mipuop ub^h^ lOGO-^COOiCOOOSQO^L'r'M'ClOS'^OC^OCOO^CSt-CO— CCCCC50 ooiit — "^'^>s200Ci-*^-^--oocD■^«■^:oxo»u^o■^■^»^-o^^• COT>t-0500COO'-'?COiC5'^Ot>OOOQO-HCO»-HC3C;--000000 >> > bD >* . n o a o E-1 o l| J I §-7 i S Si a *-> J - £ «&i^j^ J ^ I 2 2^ iu o I -St C " '^ .^ C C- c^ eS d cS o .^ .2 L-sort S3 OS cJcj^^-Tja^-ca THE DENISON SERIES. 25 l-'5 0'-HOSCO^Ht.-0»-«t-OT-t.— t-p5^ flnFL, fsl£ !» fucu — C OJ SSKK •^ -S rn o .. 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O c; a o o - O .H 6 5 g -an g ^ - . «> .^ I b t. . i; 3 (U C - o " J a ? a 'S 5 "3 •== 3 £• a • ■g tC ^ S g S! 1> IS fl S E^ =^ ! . 5 ° ' a oD '• ^ v V J t, o 2 t 5; -^ < *^ «- 45 O '_ ca OQ a fe 4) *: * q c « — c ia a o > T — SS — > -^ s i I Q. n : B a) -■58 = ~ P 3 — , -c .5 £ .2 £ o o ■= 9 a s 2 J c s- n a> a, u o xOoS ■e «; « s ■= . 1-. I 3 « = a ' — CD : a 2 lot" la ^ a> a a) g - 1 I — tf c P« I2 is _ s] X ^ . = -J -=3 4* '.&!::- : « S a . • ^ — * in sa § o .5 S ' ca y t a o "s B - -3 e 2 .§ o s s .2 « s ? s a '^ ^ ^ g c a t: i 26 THE DENISON SERIES. THE SEASONAL CHART, SHOWING COMBINED ATMOSPHERIC HUMIDITIES FOR AUTUMN. THE DENISON SERIES. 37 Ed a MOISTUBI. Dryness. . iid half. Extreme < I 1st '■ 1 ad Moderate < I l8t " Moderate \ {■id •• J Ist " txtreme ■< , J2d " 28 THE DENISON SERIES. '. so;n[d ao[OD [Bnosc3sSui.\nttda:oooBja3oi 00W^l'XC5!2O£-^C5^ — OrJCtOC5CD£>i.* :2: 9^1Biu![0 Suiiwj ui pasn 'Rggt Ci-j iBuo^ras nw.iR esst 'JIB JO looj oiqnD aqj o» CO'<#t-GOX'C3*-HOI>"rH«OaOCO-^CD'*OC-T.--0'*O^Ci'— 't-O Jo"dBA JO niBjS 'b jo eqjaai i-'cDi>'^c>cC'-'t-CQr-i>'r:X':riO'^i-iot-rfi>o«ooocXi C/3 J9d 'J^jtpimuq aAi^Bpj uBoj^ i>t-irro?oi>oootDt-=ot'E'XGOt»i>t^i>t-r-i>cccoi-<:D«> <5 ^ ^ kH h-i JO -^liao jod 'saaaipQOia aeajt cOlOC^(CDiot-^oot-OiOiOlO»c^Clt'OiO*^^oocO'*T^£>iOiO l-H C5C5t--^^c^aO'?"»'-'^'^ooi-t — ocji-too^TtHooo^Oi Q ;z; in O o a ;z; I— ( When Signal Stationi WERB Ebtab- LISUED. >^>^>^^ >^ tij >i >i >%^* t^ > >■ _" cj > 6 e" > > ^'k>^> > J_j ■i -c '■^ ..Mich. ...N.C. ..Mont. . Midi. . .Tenn. ....Wis. ....Ala. ....Ala. Miiin a c d C rS >H = J .3 .2 bn S ci m O CO o a ; y < H E- < ■ ' 1 ' 1 [B 15 o t 1 H ao:^oi^cooo«'*QO:s«'?>X'X"^o:^ot^:roo>CTOTro 03 XJl eajBiuip Sii'inu UI p,isii 'gsgt «r-.MT-.-*75<.-:>r;TOT-i" coKojioffi co-a'>£-ioc-t-iott>-a'eo^Micoor-=oocsioir^oo aj jodBA JO niBjS B jo eqinaj i-H ^ CMi-05Tsmoo— 'lO^oxD^ciC'O^or^^i.c^X' d :z; ^ Jad 'Xiipiuinq .^AijB[ai ntiaK ?ot'00t^t-t-sDc-i>oxt-t-£>GOXJ£^£>aot^aor-aO£-c-'* (D X <1 t-H '8891 'Xpnoio SBM X^ts aqi amn x:OTj*ccTr'MaoCTCot-o^C3os^o:o-*0'^^ooooao-r?r: [ic 1 s >i • JO -juaD jad 'ssauipnoio ubsk ;ot-cc'<3^?o»oiaiiiif5-*0'^"^:DiC!X>t'*-^<»Jcwo^'^'^io:£?^ a Eh CO ^: <1 CCC*t*0»00^0^«05CSTtOt-OL'rOQOT-HCt^ClS5 — OiOOO ti O o o < a » ; 5 f e a JS. J" J s. J >" ri "■ "" """£. s.-i' 6 ^ S' -" S J" c".b > c" d -" & G q 00 00 o'C go ^' £ .N.J. Dak. Mont. . DaU. -K. I. .Idaho - Mas.s .Texas N. Y. ..Dak. Ill a > S o C ffi ' ' ' ' U< ^ i ' ; ; < a ?^ B S g 1 , o (-S-» o * ; '. a 0^ I 1 t> g m 1 ; ; 1— 1 a E-i , ' o ■ ! a ; ; pcna - laclie, Port, sinaboino, F lauta 5 : .2 ^ "— 00 a 3 33 bf O inegat City, niiet, Fort . nlon, Port iinarck )ck Island.. 5 2 O > d 1 i po May pe Mcndouii Jar Keys . . . a ' o o a a aS- _„U«cri— -J = s3c3 i; i;.^-roCi-DSr; zt X r3i)^J3jaj= -■^^' ^S.fe o.ir-> ;^0P^^^fe^cc|z;a2l-;^0►^^^<^ --.Sh^-- :^ 2 »;-^ S ^ ' • ■ -: ' ^.S <50; ;oxo o S l:i 'c ^s 3 H t; g'y ■i ^^ 5 = c o ^ s^ r» n :j if 1 □ o o "s 'b 5 1 p 5 1.2 ^ e; c -^ ? tH .5^ •=•3 .M Jj 3 a S I J >> ■= 3: 2 5-H S ^"b'Ss-'t^" " :.:i c S C5 -- .2 o 3 B S r S q 5 •= ^ g'^ ►Jii;> o- 1-1 Q .5 ^^ oi a fr.- > (i J cafeS aj is « » 03 C> CO ^ (M ?t ^ 0> ■?> CO C> ^ C^ O* ^ " ^ CI CO -^ C* T-< CO L- TJ '* ^ C^ T-. Ci L-r O Oi L- rj< ^ r-< xP •?! 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IS is H ■^ 3 s 5 C = O Si s K >-J > I— A^ J u ic > s ^ p. ^ p: C o > 1 a "c 3J .a [S CJ '^ r1 ^ 7= ^ a J3 i- u o .^ bf! -r c S a. 5 g a a> ^ , « i aj tD ^ 3 0) e s - ^ 3 til S: t- 5; a -t: -i= y S t::H b£ S ^ a (h. Km , o J3 o o £•■^0 e. 3 m! p -^ *j ,a o M ~ .a a 5 a ■a - I a ^ \^. o S «- 5 g -a p. 'a fl S- 2 e s «> a a 5, ■ o - X °° a t s 1 -o e = a o g 3 >•. "" *^ "o ~* — i- VI U (O '•3 g S o S >. a " -a _ '•■'"So '5 § = ? N al V^ ^ r o g \t^ - ■i ."= '5 c: . 01 p — ; (u O ■; J (S _ ''^ J -3 •- c 3 3 o a rs: a - _ ^ o = a. ° S s ° s 5 I " S .5 .S -o a a; fe.c B =■ o .i- e3 o -f o S S -a P &4 a i aj e — ; « fi S THE DENISON SERIES. THE SEASONAL CHART, SHOWING COMBINED ATMOSPHERIC HUMIDITIES FOR AYINTER. THE DENISON SERIES. 31 x._ (Sd half. Extreme ■< I Ut " ^2d ' lEt " Moderate < , 1 2d " THE DENISON SERIES. CD B ■ a o Ph P5 O Q ►—I m fa o w W H EC <1 O K s w H fa c 03 fa O ^; K o ■{.ggt MaBnuBf ol suiiil I moJj '-niBal -ajiunJ^diusi »■. rr -r -.. o . l. c-^ t t t -3- JO sagiiita ,{|niiii)m ju simam | -naadraoj jo oSubj a'[iI!P noaK iCi^oi"^-^"""-^--"^'^^ m in W fa ocCT-cC'(MC:^ao^oc>w o CD — -^ I- •-'^ t-'^ ^ — 1-H :c o t-t r-ir2<3aC5C»?coo~^^ — »' — '^ S-^MOCct-ost-o-^co-^o r-c-r-c-t-aor-QOl;-J-t»t-t:- o l-» Eh Hi o} X 'esaaipniAv oav ■(•S81 '^JBnaBf oi eaoiJBAJasqo }0 juamaDaaiuuioo mo,ij saiiin UI luamaAuui paiAi iiqmoK ^ O o 1) .^ o c >ij^ ti: Jz *i; — »-(»!-( *r- -BA.asqo ,0 »»='.?_^^;';^"i7a' Si;5S§!5^^S^§§§S JO saSnBj A'minom jo snuaK I ■PS8I '^im i.':it-(X>-HQo-j'Otoci«i£;oo -Biadoia, ,0 aSaBi ^?Bp UBajt |-r==«"--«--««'^'- ■fast _ , 'jCaBnuBf o) saopBAJasqo jo |s»oo«mioo-*o^ol-c-ct juauiaananimoa iuojj 'saqani i ^ ^ 111 'A\on9 paiiatii piiB nuu naaK I ^ '£EI cc^oooco-tt^-»-c^oo--t-'? ML'5tOXaOQ03iCl^--tr O iC I> ^ X) O.* OJ 00 O CO o 00 rf |W!Mt'0S00«O'-^"CSCi: cj 1^ *i"*/'r^ d >' a ^ tj O xa3 >*■§•= lo'^-osS§:i ■ fe.S ;5 5 O^ ■ cj 9g|.sgs|lel|i^ < ^ < ^ ^ -5 < s K a fa 5 a THE DENISON SERIES 33 00 i-^*^ — Tt'c>0'*aoo>i.'^oc:i''<-H(or-co«ogo?oicw'*coc-CT'<*<»0'*«owfr-co«DC>iT»'ot-i:'Ori--'io 'wcoci«OMir"^j..-ci c3 If? tr5 -- .— > r^J c::^ .^i (TJ C\» t— I ifT* ci /■-- -th jn ^o o; 05 O 3i O r^ £"• O I'' CI OS O 05 Ci en ilOTfG'i < r-i 1-H ,-( t . . _. »-t ^^ w- 1^.1 ' — I L- W-' L— WJ WJ '—J WJ V^ ' 10 2 P • ' o o ci c* -* ■ •<*< O i' t^ ( ' CS CO C5 'OS'tC'COtt'COCTiOC'JCC o ^ ii -• > ► c H.-^ £: ^ "' - •^•^.-.-^v^ .S^*^^^.' ^^ *=^.== ^.5?. cj^ g7k3 cj3 ^ y ?^ ^.^ >=iP^^Q^rA>^f^(n>=i>^A';rHp\0>^^A^^'^^'^A^>^^^'^'^>^.>^^ r; . =^ o o -" tJ * ^" -c jf tJ ic ci" ^' '^ >' "' jz ^' ^ ^ ^' '^z -3 ^" ^ "^ 6 '^^^!z;h ^^|^^^9^1§iPXo^ IS, °^ =, -^ = ^ o -:; ..■; !0h s •a -^i !> S c =» ^ .00-0 SSfi o aj :; c o ^ „ c,. , J— C3 ' a t"^-^-^ ii St3 3 Ss> •9^ 0^ = 1 =3—, OOa>0-^-^LCl'T-+'C>C01COO'rf-t*'^0»CC-QO'rt'00"^OS-2QCOaO'<:t<'^01CTtOO50iOlO ^ X o CO i> '- r? o 0( -r QD 5£> L*: ?D i-« • c» o t- cr. 1-H Ci t CO L- ^ CS CI L-O ri o TO o t- o Tt* ci o"> c? o CO 00 T-H CO 00 CO cs Ci CO c> o '-' £- :d CO c"( 1.0 fr> o ci r?.-.OJCil— COL--} o ci ># cs "^ CO o -^ cj ci CI a^ Oi LO -^ O t-- ?0 ?D eo-3 0>cDcor-o?o lOi 10 ^d -ti Qo — ■ 1.C t- ci 1 r- «_■ 'i^.' )■ v*^ ■ — ' 'i. I— W*" 'I — «'.' .'V "^ '-. ( C: X)O?'rt*':+*COrHH^C:t'Q0OJT-(Ti'T-Hifra0I~--^t-COC0— 'O£-»-iOCDOO00O »COCS^COt-Ol-O^CSCO-rH -J-ro^^x■^^c:'-ooo*coc5«x■vo^l-cllOxt:-QOC-^t'OcorJ^i.•^'*OOCll-HCi-f'rt'T-Hc^T^ClrH «'*OQO^O'^®(»t-5C'C--^-^«C(OiO?00-«^ICt-t'0'C^-^C-QO<©00-^OSTPOlCC^C*r-(Tj s — "^" I >-■ = ooo||l|^-|'="^~ Hg' - a. r^ i* _MU ^ ;hh O " J«ti^ : 3 ^ II o 00"'. 0: o a ^ a a o 3 J o .t; a :» rt S - K^»> ^ _^ ^ ^_J 34 THE DENISON SERIES. THE CHART ILLUSTRATING SEASONAL ISOTHERMS AND WIND INDICATIONS FOR SPRING. Representing a period covering nearly 11 years for temperature lines, and 2 years for wind arrows. THE DENISON SERIES. 35 _IsoTHERM8.— The average eeaeonal temperatures eince the Si^al Service Stations were established (Fabreuheit). Pb£vau.i.\o direction byseaEODS (since cetabliatuneDt). i 4 BA.IN-BEARING WINDS.— Directions (Quadrants indicated bj | rsw ^ arrow's feather) which are most likelv to be followed | * ^ S by rain or snow. !'>?«. I ^^S Pleasant weather winds.— Directions which are least _ o i.iKEi.v to be followed by ruin or enow. J •;« ^ 36 THE DENISON SERIES. in w CD <^ w :^ p O w Q I— I H t/3 1— I H H a: I— I < ft ;^ o P5 p P5 PL, -< K tu W O K p < rn w rn H w ^ fc 1— I o ;?^ C/3 1— « W > r*^ ^ H -a1 K- ■— • H >! < a a < H U. >^ S o o :?! u ^ c (/J ?; w- <^ Q |=S t— 1 C*5 w o w J ffi -r; H -BJ9dmaj JO DSOBJ X^iup uBdjv; «'-'C^'-''r-''-''— wi— i-'r-i.-HT-io?T-r. m ennnH M-iann^?^ U-. O O OS -* CO i-h O^ O C5 C> O (Xi IC I ^ i-h w i> o lO CO ■juaiu9Duarauioo iiioji ssiim \ -ry -^ ^ cq ci oi -^ --c -^ oi '^ O: •<-• rio ■> *n> -rt* oi -^ \ei (z> d m juauisAoui puuv Xtq uok ^' ^ '=^ ^ " "^ "^ '^^ '^ ^ "^ '^ "* '^ ;«Tr^^^wwoc ; E- 3 a 3 t-. >-. >vS >> ^J fei^ ^^ > > > ^ 6 > 'J ri > > a'^ 05 o < Eh i-J >-l 1-:] ►-? >1 J=-- n = = ^S « fccvc CJf^ 0-— Cf— [>"^*- *-• ^ii 3-^ ID V O J3 o o "t88l *'^JBnmiX' oi euoii -BAJasqo .|o jaaiuoousraiuoD OTOjj ''JqBj 'oanjBaadLuaj JO saSiiTtj ^[qinom jo shbo^ ■8SSI '3-iiU -Bjadraai jo dSubj ^u^p ucajv 'jUBiuiuf o; saonPAjasqo jo 30301330301 moo tO'Uj 'saqoui ni 'MOOS paitani pn^ oibj ngsjr '£61 *93dn|pOIA\ SAI-JBiBduiOO 'AJROOBX' 01 SOOIJBAJOSqO JO luoioiDosiuraoD 'mojj esijui ni 3O30i3A0ia poiM Xiqj'oopi 'J* -^ IC lO CO CC CO CO CO irj lO lO Oi lO -^ T-ir-(Tjocs'-i'-'':>oot 'iocoo C>COOIOi>-OC5t>C5'*OCS«DOi-CCeJt-0Ji^t0T**0S c;iocO'-'CocM"*o«ooi>cocow^O'-'-^0"^Tt* COiO'^Cr-lOCDW^t^O'^OGOCOlClOiOCD-^t-t' o d ■g.^J J'-S 6 > a 6 u d ■So.^^ £f fe " a " fe"^ o >ld . o :=!S^3Sf5-tf-§| o ►Si* z> ^ ' J. o fc o 3 t-l-HO a ==' -, ac3.gS3°t= ~ fa > , o--r 2^c?=- ffi«=!' THE DENISON SERIES. 37 ***— """■''CDT-<.-.tc-rt< ■r- GO GO GOO 5Drt< CO lO-^ -O "-J S rf ci c > — ' _^ OJ O N CO — — (^ Oj _ l^ziH e-S trs p-5 „ O C O fc ft- C- ft. .S .S c c S ft.B.ft.ft4PH ^«lsS"gl ftnft. CO 2 KKftS 5 S-3 ■i « =' -s 05 E-< d E-i =: S N .2 m 7: o 7; d >' J< N 0.2 i<°M' ia . a Q „ KtccQc tC W 03 (E c6 CC CC B S 'cO (» tC GC £ E-" t" > !> ^ ^ ^ ^ ►>< f>^ -^.»-■'^uJv'u.^^.■^■:OOc:•^■^COIf^t2C■>OOC10C;CO-^^^SI*CS■^^*CCCt^-^000^~0^-OSCOCSOOO■^0'-'C5'-- i^HCJ:Ci-ti-OSt-COCOT-t^a50'-*Cl-^OCOQOOO^^«COOTHCO^»-IOOt^OCCOO — — -, — — ^ - .. - ^, ^^ v,^ ^ ^j ^- ^*^ t- w- t- -*- ^w T-- ^- w- ^_^ . - j^^ — ^,^ ,- ^ - . .,,,-., O tH CO 1-H i-H 00 t^ O CC O O t-" lot— CDi-«Q0'^l-C5T-rH > J J ^ 3 X ■ C* OB ■a 2 2 000 J3 J !a 2 .= 00000 S^ d III ii o o 000 ts > 1> 3 CJ la OOQ — — ■ =s Sjd-a c3 B g «0 g « a g£ oE ■ a m M □ n " s f o P s !*>;^ o5 oj aj QQQ :o GQQ Sc3 •g_0 S. I- -2 T, ^ o c3.Bto . .So3_5i:S™ta.'^t>oa)a ' SCO £73 --fe a aaba^. 'E2>S S'So'*' > QOCHWwaHafeOOC!fflMB5-»^tdWtdtiijHj ^ ^ a II -s i; a, £9-5 &.« = * g a .3 g 5 e b a iJ 5 «i a, 2 a " fl a a a U s c 6 a THE BENISON SERIES. THE CHART ILLUSTRATING SEASONAL ISOTHERMS AND WIND INDICATIONS FOR SUMMER. Representing a period covering nearly 11 years for temperature lines, and 2 years for wind arrows. West from Greenwich. JhT^ ~ — -^..^^^j^ / Longitude West from ( ti:«'f«ttford \ I D « "'"Ssj ""~ — ^ L ^^^^tA \\\ /^/^ V \^'' Sfflf^ h<^~ J / i / * U n--^arSnimasN-sJ~k ^ \ \\ / ,'^X "r=^-4 — '^ *ALiL ( -^'*?^ „ \ \ \ /-/-i/ Tts <-' r r \ r\ I V""- I / Tope ! ^^?i^^« \ 'xVl 00^ JOjoCaNe^ li i *t - -tin iltf IND THE DENISON SERIES. 3d -IsOTHKRMB.— The average seasonal temperatures since the Sii^al Service Stations were established (Fahrenheit). im.'>oaanuii()0 racij '-i.^npnr ^ ^^ ^ y-t y-, j-i C^ T-1 r-. W ^ Eh < HI 'Moas pajiani puu nicj ut:.JH ■ret coi^CiTH^w^oos— 'ooo^o -ooso-zro P o oi J 'ssanipnm dAijBJBdiaoo r?^^QOCOC^T-^T-f«J*T- O Ui W -;;-;3-gS-csac3-7:(a'SocoSa!oc;go . . Idaho ...Ark. ...Cal. ...Ky ..Mich. -.N. C. .Mont. .-Micb. ..Tenn. ...Ala. ...Ala. ..Minn. ..Tenn. -Conn. .Conn. ....La. E^ l/2 1— 1 <1 H s _ H <1 w 1 J H P-I E- ai o > ; g 1 1 1 '. '. 1 •= ^^M G -^ Xi Q -a^_::3 'Oo •" c c 2 > s^ c3 o ^ M.3o <3 ^ 03 « iu.t;oo>^=s=s«ceaj.7:oocOn(aa)o ^ H t^ ^^33-jSSSSS-SSSS^^2;!z; ^ C < ■f-gt^t '.^aBliuuf OJ suoij n lis -B.^J^8qo jo jaDuwotiauiuioa t^ E^ t- o :>> TjH lo lo c^ -- JO '^> CO -^^ 00 o: o '- r- hH mojj **jq8j 'oinjBaadinaj ^'^iCCO^-:}<-!©50COU'5-^K)'VCC)T^ H ^ JO saSns.! Xiqjnoui jo aimapj ^ W »* ■ER8I 'a-nil ■^■ o tS H f-l * ■*b'8I [i fc '.OBnaBf OJ saoijBuasqo jo CSOiODO-^OOODOCJCOCCJ^CCCC — ^CiO (D CO — ^ jaauiaDaammoa inojj 'luaqani T-l »-»»-t^H^-,-, ^^ ,_,.— ._, ^- CO ui 'A\oaa p.ii|ani pim nra.i itnapi :^ 1— 1 N Ki •*0«05i-MriOK>T) 1— 1 O m jnomaaaaiamoD ' luojj eaijm uj )aaaia.\oui ^u\.\\ i[qj C5 ^COrrc-!Sl.-(?oioooo-i - <5 Q z ;^ £ 6! a Q ti J S B 3 6J |2 5 ^ fe g o ■?; -i */ o 6 >' n" o" d 6'a.'^ ^> '^'> J % O O CO • ^.1 si *--" c3 rgo is s= -a 5 S5 Hi a o o is a H PL| : 5=1 ^ H o > H J 5 C3 o 1 r; a; o 2- ~ l-S| .5 Si? 6 C3 tj o S o o c =3 ■a - .2 a o a "> CO c & c -3' ■ |2 ,—■ — l-i-m-fj— ^cTlrtcjO.— -^COt-=^=ici3 <3<-0;0'rHCOaOi-HTjT-Xi'*^Or-i^ OCDCOi-'OtCOCOCO „• *^ >^ > > o . o c aj rt o :=! o^ - ::!. '^<^7:i'=i^'APiO'^.'A^,>^'^,>^)^:^^*^:^''A'^>=i>^>^aci^)^-:i.S o2 > 3 2 a-^ S'OS — ■3*^flaj,iS f. ^ > > ^ ^ ^ ^ |x (M ;:; - r-i^T-H^-H^r^CTl^T-.,-!.— ■,--iC*0»r-iOJO*»--ii-SOOOCDCOCOO' ic -^ ot. o:•^--t(^>c■»'^eoL'?'ocoe-lOoelt-'-^05loooaot-"^^c>lOl-H'^t^t^C5CDOico^•co^-t'i^coO'*'1^■r-^ =n;?i^^ o a .*o I o a> g i> 03 Q.C1.Q.-3 =; :3 7: i. 0000 tn i S -3 d 3 .2 « 3' ;^H^ , ^ -J ' ^_>' CJ :-2 « s ^"3 5^ s-3 s 3 „-g2 & ' o ^ ( t'? 1*. ' .9 ; (5 : ~ s: JZ J2 ^ .ZZ ^ ~ OS :tc3 — U t^QjOJ 1^ t 3 3(-c; — — 1- « o 1: ?3 ?3 :5--- HH hG HH •— I ":. 03 c-* :;:; o 03^ y] ^ ^ m ™ i£ « P" 3^0! ta •3 o >.u 43 THE DENISON SERIES. THE CHART ILLUSTRATING SEASONAL ISOTHERMS AND WIND INDICATIONS FOR AUTUMN. Representing a period covering nearly 11 years for temperature lines, and 2 years for wind arrows. 115" JOO' JCV Longitude West from Greenwich. .^1 «i?, ■'''^*"'-^. V^-Mv ^j:^ 77:^, tSJ»encan n^, I ..f ■':ITa3euo|ttX "^t^flper I oDeaawtf^ t-^K~. '"as! ^- / ^<£*car?; ■ ' / Wr .r, I / T "■"'St- , .'life ^R \ '""';'W^^/r'"-/''^ei'^,/„ ^M*^-^^^^? i a\d o ^^. oHir,-onl "^^ K THE DENISON SERIES. 4^ • IsoTHERMB.— The average seasonal temperatures since the SiErnal Service Stations were established (Fahrenheit) . ►^ Pbbvailing direction by seasons (since cetubliahment). l ^ RiiN-BEARisiJ wixDS.— Directions (quadrant* indicated by | ^ '« ^ ■ < - 4 <« arrow's feather) which are most likely to be followed i * ^ S by rain or snow. 1" •? - ^ I ^^^ < » <^ Pleasant weather winds.— Directions which are least | '1 "o LIKELY to be followed by rain or snow. j 7^ 44 THE DENISON SERIES. < hi 03 i W J < K P-, H ■p, ^; n o o s [«" Q J ;?:; w <: K H P Q < ^ tn fa o »-H f«=k o co" O H >H <; J r/1 »— I Q U. o ^ m n w <1 Iz; Q W Ci5 H 2; s !> s HH C3 W h-1 CQ < H -BAjasqo "jo mara^Daauiuioj -Biadtnai jo dSucJ ^[i^p ucai^ 'XjunaBp oj 8aoi)«Aidsqo jo n( "Mona p.:>i[3ui pn^ uibi iiif.iiv ,— ( ,_,'r- t-HtH t-Ii-Ii-1i-Hi— IT-I -3ie JO SSJUipuiJA .JA.lBJBduiOJ ^i o T-i t' ■?> ^ c» o o c^ o — c^j 1 ci CO c^ :» 'o* ■rest 'i.iBnn«f Oi eaoTjBAj3sqi» jo HiocaaouauimoD uiojj sii)(i>u U_[ )U9mOAOLU pU[AV AmjuoK CO GO 03 CO O CO « 00 ri -^ OD 50 O CO ■ O CO OO 00 CI oac}»-tODco-*^cJO»coaow"^c» iwioo«Oi-t ■rCTCSCOOOXCOCCt-CJO'^O'-t -coot-xco o l-( EH m f™ £- t- t- C- (Z> £> 00 t' t- t- C™ t-- 00 t' t- C^ i> f C- > _■ o > o = '^--5£ri=>' s^ O' ^— a.Sosc!ca3a2°^tx •— I n -r- -O a 3 tn _2 a > aj Ci o o iJ^J-JJ ,:2S^S^.Z c — ^ -=fc aj > S ~ fl .a 3 ^, ^ »* B'3o'5i:=^3ao3-5sfe -r c ■fl^gl '-ObuUHI' 01 fUOIl -BAjasqo JO laamooaaiuinuo mojj '*Jq«jI '.unisaailm 'i JO s-^Snui Aiqinom jo wimaK rt*cocOlr3ooo»X1-^t>-fcoosJ.•:^^-:DOXLOTJ*o o t- o c- -^ Tf TI* o -^ t- X to •<»« -^ o -^ -^ t- L-r o -Bjodoiai JO dSubj A'ljep ubok -^T^^^53t^oscocoQOioooc*aoaot-'y>»coco ^O^ln^Bf oi saoiis-uos'i-i jo iu^iuaouauiiu .) uiojj *!^aq.^in niVAoarJ p3i[;jtn pUB aiT?.i ueaK XtO-^COO — COC5??CJ«fri:OCO— 'COXCOCJCO '\9.\ 01 I '^nopTTig iwn -oIS JO 68911 pi A3 IJBiBdinuO — 'XI>0^— 'OCi'?>X«?«?0^<:>355Dl.t'OCO t"^ — CJCO-*O^O^^OCO 0(Tjit-«Oi>i-C 'XjBnnBf 01 suojiB.uagqo jo laaiaojiiniuuiuo luiuj S3[tm f- K fc a O u3'oiir'^ - ; = 3> ;=_=.i»^_3c3riD;j2_:;cct.a3aa THE DENISON SERIES. 45 .— XO:3 0CJlC«C005rHCOC5a)'rt-^QO'--'t>aO'*OiC100*OlCr-'rp-rfl oao.— ■xioc^:i;oQ0500c*c"(C'*0'^ci'fT'i-":'Cso':oci:ooociX)iCiOOJc-t't'OOC5'.-H--co ^•ciMi.':p£^o5?ooM^-o5^C(-^o?Tll^oc;^lO"*^ocoT-«f-30■XiOOQoco^ooo^ocoo>ox) 1— 1 rH ^^t^OO^CS^-MC0t'OTt*^^C0Wt-l^5O^-^-OOOTJ^■^^-lXl--'T-lO■^l^O■--^CiO'-^£>O■r-ll:-O--''--«t-C0C0 c- t-- 1' i> t- 00 c^ t* t^ c* t- i^ i> t-- t- 00 t' t' t-* t- c-> t- t- 00 1- j.^ c- ^ ^^s^|-gs€-5^. L > " t^ >' J" a ^ ^ "3 = U ^ 3 " j^a-.: S^-^SO. c aS-d-~'-'-^ o o S c; 5. oj OOOPh 1^ £f 3 "tj 2 -^ °.ti o •a -a J =s c3 r. ^(iPH d S . a 3 •a c - o SKSJoD ! fcu 3 C 5 2 ri "^ O S 1-^ 1-1 X C ^ .2 r°^ r-> .=^ =: 'S o o .2 a^J£Se:2.,^ 32 02: p t> a a OJ2 a Q as a: S a' S 3 §^ .5 ►J >>^^ HWC0CSC>Ttt-«Q0'^i-HOa0C-C0»i0»0"^C>)0 "—CO ^COOt-— C50lC'-tC}CO"^t'-OCO('0>C51CCJ'*:J<000"n^OOO«DClt--'rCOi-HOi '-'CCTjOC*JO<:OOSOiOincD'ri.f7QOl'-i-<^r-iCOr-l ^oo»o-^co»:caO'^c--:ocDr}cooccxic^cooot''^i^cx)"^i-Hcor*Tji-^ c- 00 t^ t^ t- t^ »' r- » 1-- 1^ t- 1-- t- t^ I' t- t- 00 1-- 1> i^ t- (> t^ cc t' t"- t- t-> 00 00 c- £> i^ XI t-- 00 c-- 1> t' tr- c- t^ ^- t- ?- n a a it%%: > > >-.^ " ' ^ ^ ,-^ ^ w -- 3 Cl.^ C "3 *:2 ._ -^ rs •-- >.> ^ 3 oj ^ a; 3 ^ ■ o fT . . a =*>i-i > .3 ^a J « <»^^^ o .'■3 •^. a - • — s 5 1) o V a; si L^ 5oo3 3 C S S 3 3j CJ o~ :5 03 0) .3 -3 .3 '= I3 5 ^ o535 J fa I 2- 3 — CJ 3 U _ sfa 3 » > - 5 O O -i - - - ■oo'oos — a I 'i'^ OJ 4j i, QQQ a t:"^ j3 a a ;W£ ai= > aj