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  • APPENDIXD
    DEGREE DAY AND DESIGN TEMPERATURES

    This appendix is informative and is not part of the code.

    TABLE D101

    DEGREE DAY AND DESIGN TEMPERATURESa FOR CITIES IN THE UNITED STATES

    STATESTATIONbHEATING DEGREE DAYS (yearly total)DESIGN TEMPERATURESDEGREES NORTH LATITUDEc
    WinterSummer
    971/2%Dry bulb 21/2%Wet bulb 21/2%
    ALBirmingham2,55121947733°30′
    Huntsville3,07016967734°40′
    Mobile1,56029937930°40′
    Montgomery2,29125957932°20′
    AKAnchorage10,864-18685961°10′
    Fairbanks14,279-47786264°50′
    Juneau9,0751705958°20′
    Nome14,171-27625664°30′
    AZFlagstaff7,1524826035°10′
    Phoenix1,765341077533°30′
    Tuscon1,800321027133°10′
    Yuma974391097832°40′
    ARFort Smith3,29217987935°20′
    Little Rock3,21920967934°40′
    Texarkana2,53323967933°30′
    CAFresno2,611301007136°50′
    Long Beach1,80343806933°50′
    Los Angeles2,06143806934°00′
    Los Angelesd1,34940897134°00′
    Oakland2,87036806437°40′
    Sacramento2,50232987138°30′
    San Diego1,45844807032°40′
    San Francisco3,01538776437°40′
    San Franciscod3,00140716237°50′
    COAlamosa8,529-16826137°30′
    Colorado Springs6,4232886238°50′
    Denver6,2831916339°50′
    Grand Junction5,6417946339°10′
    Pueblo5,4620956638°20′
    CTBridgeport5,6179847441°10′
    Hartford6,2357887541°50′
    New Haven5,8977847541°20′
    DEWilmington4,93014897639°40′
    DCWashington4,22417917738°50′
    FLDaytona87935907929°10′
    Fort Myers44244927926°40′
    Jacksonville1,23932947930°30′
    Key West10857907924°30′
    Miami21447907925°50′
    Orlando76638937828°30′
    Pensacola1,46329937930°30′
    Tallahassee1,48530927830°20′
    Tampa68340917928°00′
    West Palm Beach25345917926°40′
    GAAthens2,92922927734°00′
    Atlanta2,96122927633°40′
    Augusta2,39723957933°20′
    Columbus2,38324937832°30′
    Macon2,13625937832°40′
    Rome3,32622937834°20′
    Savannah1,81927937932°10′
    HIHilo062837419°40′
    Honolulu063867521°20′
    IDBoise5,80910946643°30′
    Lewiston5,5426936646°20′
    Pocatello7,033-1916343°00′
    ILChicago (Midway)6,1550917541°50′
    Chicago (O'Hare)6,639-4897642°00′
    Chicagod5,8822917741°50′
    Moline6,408-4917741°30′
    Peoria6,025-4897640°40′
    Rockford6,830-4897642°10′
    Springfield5,4292927739°50′
    INEvansville4,4359937838°00′
    Fort Wayne6,2051897541°00′
    Indianapolis5,6992907639°40′
    South Bend6,4391897541°40′
    IABurlington6,114-3917740°50′
    Des Moines6,588-5917741°30′
    Dubuque7,376-7887542°20′
    Sioux City6,951-7927742°20′
    Waterloo7,320-10897742°30′
    KSDodge City4,9865977337°50′
    Goodland6,1410967039°20′
    Topeka5,1824967839°00′
    Wichita4,6207987637°40′
    KYCovington5,2656907539°00′
    Lexington4,6838917638°00′
    Louisville4,66010937738°10′
    LAAlexandria1,92127947931°20′
    Baton Rouge1,56029938030°30′
    Lake Charles1,45931937930°10′
    New Orleans1,38533928030°00′
    Shreveport2,18425967932°30′
    MECaribou9,767-13816946°50′
    Portland7,511-1847243°40′
    MDBaltimore4,65413917739°10′
    Baltimored4,11117897839°20′
    Frederick5,08712917739°20′
    MABoston5,6349887442°20′
    Pittsfield7,578-3847242°30′
    Worcester6,9694847242°20′
    MIAlpena8,506-6857245°00′
    Detroit (City)6,2326887442°20′
    Escanabad8,481-7837145°40′
    Flint7,3771877443°00′
    Grand Rapids6,8945887442°50′
    Lansing6,9091877442°50′
    Marquetted8,393-8817046°30′
    Muskegon6,6966847343°10′
    Sault Ste. Marie9,048-8817046°30′
    MNDuluth10,000-16827046°50′
    Minneapolis8,382-1289544°50′
    Rochester8,295-12877544°00′
    MSJackson2,23925957832°20′
    Meridian2,28923957932°20′
    Vicksburgd2,04126958032°20′
    MOColumbia5,0464947739°00′
    Kansas City4,7116967739°10′
    St. Joseph5,4842937939°50′
    St. Louis4,9006947738°50′
    St. Louisd4,4848947738°40′
    Springfield4,9009937737°10′
    MTBillings7,049-10916645°50′
    Great Falls7,750-15886247°30′
    Helena8,129-16886246°40′
    Missoula8,125-6886346°50′
    NEGrand Island6,530-3947441°00′
    Lincolnd5,864-2957740°50′
    Norfolk6,979-4937742°00′
    North Platte6,684-4947241°10′
    Omaha6,612-3917741°20′
    Scottsbluff6,673-3926841°50′
    NVElko7,433-2926240°50′
    Ely7,733-4875939°10′
    Las Vegas2,709281067036°10′
    Reno6,33210926239°30′
    Winnemucca6,7613946240°50′
    NHConcord7,383-3877343°10′
    NJAtlantic City4,81213897739°30′
    Newark4,58914917640°40′
    Trentond4,98014887640°10′
    NMAlbuquerque4,34816946535°00′
    Raton6,2281896436°50′
    Roswell3,79318987033°20′
    Silver City3,70510946432°40′
    NYAlbany6,875-1887442°50′
    Albanyd6,2011887442°50′
    Binghamton7,2861837242°10′
    Buffalo7,0626857343°00′
    NY (Central Park)d4,87115897540°50′
    NY (Kennedy)5,21915877540°40′
    NY(LaGuardia)4,81115897540°50′
    Rochester6,7485887343°10′
    Schenectadyd6,6501877442°50′
    Syracuse6,7562877343°10′
    NCCharlotte3,18122937635°10′
    Greensboro3,80518917636°10′
    Raleigh3,39320927735°50′
    Winston-Salem3,59520917536°10′
    NDBismarck8,851-19917146°50′
    Devils Laked9,901-21887148°10′
    Fargo9,226-18897446°50′
    Williston9,243-21887048°10′
    OHAkron-Canton6,0376867341°00′
    Cincinnatid4,4106907539°10′
    Cleveland6,3515887441°20′
    Columbus5,6605907540°00′
    Dayton5,6224897539°50′
    Mansfield6,4035877440°50′
    Sanduskyd5,7966917441°30′
    Toledo6,4941887541°40′
    Youngstown6,4174867341°20′
    OKOklahoma City3,72513977735°20′
    Tulsa3,86013987836°10′
    OREugene4,72622896744°10′
    Medford5,00823946842°20′
    Portland4,63523856745°40′
    Portlandd4,10924866745°30′
    Salem4,75423886845°00′
    PAAllentown5,8109887540°40′
    Erie6,4519857442°10′
    Harrisburg5,25111917640°10′
    Philadelphia5,14414907639°50′
    Pittsburgh5,9875867340°30′
    Pittsburghd5,0537887340°30′
    Readingd4,94513897540°20′
    Scranton6,2545877341°20′
    Williamsport5,9347897441°10′
    RIProvidence5,9549867441°40′
    SCCharleston2,03327918032°50′
    Charlestond1,79428928032°50′
    Columbia2,48424957834°00′
    SDHuron8,223-14937544°30′
    Rapid City7,345-7926944°00′
    Sioux Falls7,839-11917543°40′
    TNBristol4,14314897536°30′
    Chattanooga3,25418937735°00′
    Knoxville3,49419927635°50′
    Memphis3,23218957935°00′
    Nashville3,57814947736°10′
    TXAbilene2,62420997432°30′
    Austin1,71128987730°20′
    Dallas2,363221007832°50′
    El Paso2,70024986831°50′
    Houston1,39632947929°40′
    Midland2,59121987232°00′
    San Angelo2,25522997431°20′
    San Antonio1,54630977629°30′
    Waco2,03026997831°40′
    Wichita Falls2,832181017634°00′
    UTSalt Lake City6,0528956540°50′
    VTBurlington8,269-7857244°30′
    VALynchburg4,16616907637°20′
    Norfolk3,42122917836°50′
    Richmond3,86517927837°30′
    Roanoke4,15016917437°20′
    WAOlympia5,23622836647°00′
    Seattle-Tacoma5,14526806447°30′
    Seattled4,42427826747°40′
    Spokane6,6552906447°40′
    WVCharleston4,47611907538°20′
    Elkins5,6756847238°50′
    Huntington4,44610917738°20′
    Parkersburgd4,75411907639°20′
    WIGreen Bay8,029-9857444°30′
    La Crosse7,589-9887543°50′
    Madison7,863-7887543°10′
    Milwaukee7,635-4877443°00′
    WYCasper7,410-5906142°50′
    Cheyenne7,381-1866241°10′
    Lander7,870-11886342°50′
    Sheridan7,680-8916544°50′
    1. a.All data were extracted from the 1985 ASHRAE Handbook, Fundamentals Volume.

    2. b.Design data developed from airport temperature observations unless noted.

    3. c.Latitude is given to the nearest 10 minutes. For example, the latitude for Miami, Florida, is given as 25°50′, or 25 degrees 50 minutes.

    4. d.Design data developed from office locations within an urban area, not from airport temperature observations.