SURFACE WATER TEMPERATURES AT COAST AND GEODETIC SURVEY TIDE STATIONS ATLANTIC AND GULF COASTS Woods Hole Oceanographic Institution PLEASE RETURN RE Pat T “ATLAS - GAZETTEER COLLECTION NSHRHON DiEN ies TS a hi CLEAN ° ane i sai ) ee nee TW-1 REVISED 1947 | DOCU! ven | \ LIBRARY | Woods Hole g Oceanographic Institution a ‘ : 3 Tee DEPARTMENT OF COMMERCE 4 oe U. S. COAST AND GEODETIC SURVEY | E WASHINGTON We 3 194 CONTENTS Page Index map ------------------------------ 25-22-2077 eee y) List of stations ------------------------------------- 3 4 Introduction Surface water temperatures - Tables of monthly and yearly means and extremes together with expectancy ranges -------------------- 5 Surface water temperatures - Graphs showing mean and extreme temperatures for the month and year 36 Fahrenheit - centigrade conversion A Ga ie ae ne cera oie EE Stet aa DOCUMENT LIBRARY Woods Hole Qceanogra institution phic TT 4 1}+ = A-3485-11 oOL oGL 008 0G8 006 . oG6 o00T --0”? sam Kay oGC yoesg eaoueD | yoeag euoj}Aeq xe yoreg 19/814 o0€ an cous puoweld oGE pueis| sUOWO|OS eiydjepelld SLSVOD 41ND GNV OILNVILV SAYNLVYsAdWAL YSALVM JOVANNS 30v } ( SS U10d SHIM ane dVW X3QGNI *D “d ‘NOLONIHSV¥M AZAUNS DILAGOAD ANY LSVOD 'S 'N SOYaWWOD JO LNAWLYVd3ad 069 o0L aGy 308 268 306 oG6 3001 oG01 LIST OF STATIONS STATION LAT. LONG. PAGE Oar? @ ¥ North West Bas tpOre, Messscssasheeseoseaseesun Saas A4 54 66 59 5 Pulpit Harbor, North Haven I., Me.------ 44 09 68 53 6 RowtelandipaMe nome 2a ce oe Soe Seon. o's ek 43 40 70 15 6 Eee RomtsimoutiheNewH aos eee eS A3 05 70 45 7 ae Bositionem Mas stare csic.< soe Sia ott e a treats ADD ie Bee eel i O)3 8 Woods Howliex Mass... 5222255 os ee ces le S Ate 70 40 9 Nanituekeit =Shoa lis) Lightship-2---.2--2225- AQ 37 OD Sts. ¢ 9 Willets Point, East River, N. Y.-------- 40 48 73 47 10 Newavonks (ihe vBattery)- N. Y.--222-5-2.- 40 42 74 01 a News York (Fort Hamilton), N. Y.-----=--- 40 37 T4 02 12 SanGVvelOOkw oN Ive on oa eee eS oe 40 28 74 OL 3 AslyiieyasbaG kaN nati tain a oid ona Soto ne ee ee 40 13 74 00 13 Mtetomiencwemt ye GNC Sve a ee SOA CA 2S 14 Breakwater Harbor, Del.u.------+.---.2<- Bi) 2h 7/ CS OG 15 Proeladeliphiann Pan oa in2)- 2 ate cco SS Soil 75 08 16 Olderoints Comtort. Vasco. +o=5s-44see5e00 3 00 76 18 17 Malsihmetiont, De Cau a soca sc mie See ee 338) 7} Ue OI 18 Camlbre nla, Whlo cosseccsebecesceooser seers 38 34 76 04 18 Solomons Island, Patuxent River, Md.---- 38 19 CO ZU 19 Bapktsimomrer si Md cis) seerore sek ae a Soin Sica simi a a) NG UO 35 20 . Damamond (Shoal lightship-.2-<=4----55-5-- 20) OS) 15 20 21 SOUGIN OE ee INNG WK Opera ey ee sea eee aes a a 3)8) 0 OD) 78 Ol 22 Char lestem, Sa (Gssésesscceccessoucosores 32 47 U2 dd aap Fort Pulaski, Savannah River, Ga.------- 37° OP 80 54 24 hemnandana:, Nlayvais= soe 2 sites ahr oe aie 30 41 81 28 25 Wasypert , Ile. ssasessoassecsosoeeecouauess 30 24 81 26 25 Pilagler Boacin, IMlA5 scsscososceSocceoacease mB) WS) 81 08 25) Davitona Beach (Ocean)» Elaj------s---5-- 29 14 81 00 26 Daytona Beach (Halifax River), Fla.----- BS) We} Sl 0t 27 (CAM@OWE! TBISEVSI TN 10 IG SeSS e e e e MR OR BOSS 2H Palin Beaclis Jilin. ossssscoee see ss Seeesee ce 26 43 80 02 Il Mitamneebeaehiy blanc saise sesso oie sar o.5 ie 25 46 80 08 28 Mey West, Pin. soeddéasasscsesossdoccsece 24 33 81 48 29 Cedarnsheys «ila c-sncec oe oe Bea cS 29 08 83 02 30 Pansacolla Sin ses oe ee Bae SS See eee 30 24 87 13 31 nogeme lista, |p eSeeeneosesosecossosee 2922 91 BS a Galler tonmeilience = are aa als teenie aie meets 29 19 94 48 3)8) Rortaplisiabellmmulexnis sciei= Se nies ani 4205 aie cca) = 26 04 OS 34 liyaygeme, Geoomilanclssesosaoccosacoccaases Opligel2 A8 11 34 Ferry Reach, St. Georges I., Bermuda----32 22 64 42 315 CralsitobaleaCanal Zone. 22.22 eece 2 chee oe 9 21 19 54 35 BavliboamuCanalievione -. 222.228 6 22 ees eo 1G Se 79 34 35 INTRODUCTION The monthly and yearly mean and extreme surface water temperatures given on the following pages are obtained from observations made through 1946. The data were recorded principally at tide stations maintained by the U. S. Coast and Geodetic Survey along the Atlantic and Gulf coasts of the United States and in Greenland and Bermuda. There are also included monthly mean and extreme temperatures for Balboa and Cristobal which were furnished by the Department of Operation and Maintenance, The Panama Canal. The daily temperature observations are taken at what- ever time the tide observer services the tide gage. The visits are usually made during daylight hours, and it may be assumed that in the course of a year the distribution of the observations is fairly uniform over all phases of the tide. The water samples are drawn with a bucket from near the surface and may be regarded as representative of the first one or two feet of water. Thermometer readings are made in the bucket immediately after the sample has been drawn and before it has become affected appreciably by the temperature of the surrounding air. When ice has prevented the observation of water temperatures at some North Atlantic stations, temperatures based on the freezing point of water at each station have been inferred and used in computing monthly means. Recording thermometers, recently installed at a few stations, give continuous records of the temperatures of the water a foot or two below extreme low water. An expectancy range table is included for each station for which there are five or more years of observations. The table shows the percentage of the individual tempera- ture readings which agree with the monthly means within the indicated limits. Graphs showing mean temperature variations during the month and year and monthly extreme temperatures are also included for these places. The un- usual shape of the temperature curve for Daytona Beach reflects the upwelling which occurs along this section of the coast during the summer months. All temperatures in this publication are given in degrees Fahrenheit. A table for converting into degrees centigrade is provided on the inside back cover. The following publications complete this series and may be obtained from the Director, U. S. Coast and Geodetic Survey, Washington (25), D. €.-: TW-2. Surface Water Temperatures, Pacific Coast. DW-1. Density of Sea Water, Atlantic and Gulf Coasts. DW-2. Density of Sea Water, Pacific Ocean. a + Se SUPE 0} OdBIOAY peisejey SYTuTy wo ud a oO e co © [> Ge bs RS eS ® @ un © e @ AN Moa N OOO FN NUNN e i LD uD LO UD e 6 ® eee keke) [ooc omer @) i Ud LO LO LO e@ eo C e g g 6 cd v 3] > 8) v Ue 0) 9 8) u> e N IN wW § WD e ODr-oon nt wort O & 8 § © © Ooo @O Oo tod Hd ® AOMOOM ® woh t da SOUIOIIXY pues suUvET|[ ‘GN ‘LYOdLSVa Somnperodwiay, 1078 \\ eoejang = coulerrrs| owe

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The dots indicate the maximum and minimum temperatures observed each month. a JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEPT. OCT. NOV. DEC. EASTPORT, ME. 1930 - 1946 PORTLAND, ME. 1922 - 1946 BOSTON, MASS. 1922 - 1946 WIEEETS POINT, “N: Y: 1932 - 1946 NEW YORK (The Battery), N. Y. 1927 - 1946 Surface Water Mean Temperature Curves - Continued a JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEPT. OCT. NOV. DEC. NEW YORK (Fort Hamilton), N. Y. 1911-1920, 1927-1928 SANDY HOOK, N. J. 1887 - 1893, 1944 - 1946 ATLANTIC CITY, N. J. 1912-1920, 1923-1946 <=) 2 1a oe doen ee cca | oa) cae oe i ee a ae a PHILADELPHIA, PA. 1923 - 1946 S)// 38 Surface Water Mean Temperature Curves - Continued SAN. FEB. MAR, APR. MAY JUNE JULY AUG. SEPT. OCT. NOV. DEC. ale] al slo al eg eee BPMs SC Cen s Ce Poe Ch Sra a = Ff ek | oa ee | oe ea ee ae SU As ‘ollie SAVARES ae oy SOR BALTIMORE, MD. Se 1914 - 1946 a SOLOMONS ISLAND, MD. 1938 - 1946 CHARLESTON, S.C. 1922 - 1946 rout muuasyen. of fet | rE | Ne a Se a a ieee | gel [pel dais ae a eeiiice reg = oil MO caALSS Tas OST 1925 = 1932,.1939- 1946 ¢) h/t Ea ie ee ee ee en ee aie cee bs SES Surface Water Mean Temperature Curves - Continued “ea JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEPT. OCT. NOV. DEC. MIAMI BEACH, FLA. 1940 - 1946 _ KEY WEST, FLA. 1926 - 1940, 1946 | ee ee: Ait ig edi uy ep SHEERS pe rele Tes aaa CEDAR KEYS, FLA. 7° 1922-1926, 1944-1946 PENSACOLA, FLA. 1924 - 1946 ny rie ee Sage ag oe 7 ee Se oe Aa oes GALVESTON, TEX. 1922 - 1946 39 CONVERSION TABLE FAHRENHEIT TO CENTIGRADE es eatin aa oom a alae to aie a ee Bios Seater mien eC Pah auc ADOT ee 55.0 12.8 65.0 18.3 Foeomes AG Oe Sore) e.9 Bee aI EM 75.2 24,0 45.4 7.4 55.4 13.0 65.4 18.6 7504 24.1 45.6 7.6 556) 1 oeL 65.6 18.7 T5s6 24,2 ANNI irl Bish) absiie) 65.8 18.8 75.8 24.3 AGeOMn une HERO Lois 66.0 18.9 76.0 24.4 46.2 7.9 56.2 15,4 66.2 19.0 76.2 24.6 46.4 8.0 56.4 13.6 66.4 19.1 W6ee 2027 46.6) 8el 5Ge6y 1ST 66.6 19.2 76.6 24.8 AGB, sBlse 56.8 13.8 66.8 19.3 76.8 24 = 1, ° 7 25 25.1 25.2 =23s Bea of B&B 25.4 | Ga 8 Q =o 256 S m wo We5n7 > 5 ang ct a 25.9 | G& @ Oo 26.0 | ~z —! nm 26.1 26.2 26.3 : ra AREAS ev ABO 26.4 PLEASE RETURN pa TO : 26 INSTITUTION DATA LIBRARY 3 aie 27 McLEAN Woods Hole Oceanographic institution ATLAS - GAZETTEER COLLECTION