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Temperature(°F)
Dewpoint(°F)
HeatIndexChartbyTemperatureandDewpoint(°F)
www.srh.noaa.gov/srh/jetstream/global/hi.htm
The‘HeatIndex’isameasureofhowhotweather"feels"tothebody.Thistableusesthedewpointandair
temperaturetoproducethe"apparenttemperature"orthetemperaturethebody"feels".Thesevaluesarefor
shadylocationsonly.Exposuretofullsunshinecanincreaseheatindexvaluesbyupto15°F.Also,strongwinds,
particularlywithveryhot,dryair,canbeextremelyhazardousasthewindaddsheattothebody.
o
130°F
Heat/SunstrokeHIGHLY
LIKELYwithcontinued
exposure.
IV
ExtremelyHot
105°F-129°F
Sunstroke,heatcramps,or
heatexhaustionLIKELY,
andheatstrokePOSSIBLE
withprolongedexposure
and/orphysicalactivity.
VeryHot
90°F-104°F
Sunstroke,heatcramps,
orheatexhaustion
POSSIBLEwithprolonged
exposureand/orphysical
activity.
Hot
80°F-89°F
FatiguePOSSIBLEwith
prolongedexposureand/or
physicalactivity.
VeryWarm
Dewpoint(°F)
Temperature (°F)
°F46810121416182022242628303234363840424446485052545658606264666870727476788082848688°F
126109109109110110110110110110111111111111113113113114114116116118118119119121123124124126128130132134136140142147149154156161166171126
124108108109109109109109109110110110110112112112113113114114116116117117119120120122123125127129130132136138140144146151155160165170124
122107107108108108108108109109109109110110110111113113116114115115117120117118119121122124125127129130134136139141145150152156163168122
120106107107107107107107108108108109109109110110110111111112112113114114116117118119121122124125127128132133137140142146150154161165120
118105106106106106106107107107107107107107108108109109110110111111112113114116116117118119122123125128129132134137141144148152158162118
116105105105105105105105105105106106106107107108108108108109109110111112112113114116116117120121122125126129132135139142146149155161116
114103103103103103104104104105105105105105105106106107107107108109109110111112112113114115118119121122125128129132137140143148152158114
112102102102102103103103103103103103104104104104105105105106106107107108109110111112112113115116118121122124127130134137140145150156112
110100100100100100100100101101101101101102102103103103104104104105106107107108109109110112113115116118120122125127131134139143148154110
108989898989999999999100100100100101101101101102102103103103104105106107107108110110112114116118120122125128132135140146151108
10697979797979797979898989898999999100100100101101102102103104105105106107109110111113116118120123125129133137143148106
1049595959595969696969696969797979898989999100100100101102102103104105106107109110113115117120123127131136140146104
102939494949494949494959595959596969697979798989899100100101102103104105107108110112115118121124128133138144102
100929292929292939393939393939394949595959696969697979899100101102103104106108110112114118121126129136141100
9890909091919191919191919292929293939393939494949595969797989910110210410510710911211611812312713313898
96898989898989898989909090909090919191919292929293939494959697989910110310510711011311612012413013696
9487878787878788888888888888898989899090909090919191929293949596979910010210410711011411712212713394
928686868686868686868686878787878888888888888889898990909192939495969810010210510811111511912412992
9084848484848585858585858585868686868686868687878787888889909091929496979910110510711111612012690
888383838383838383838484848484848484848485858585858686868788888990929395979910110410811211612188
86818181828282828282828282828383838383838383838384848485858687878889919294969810110410811286
8480808080808080808181818181818181818181818282828282838383848585868788909193959710010484
827979797979797979797979808080808080808080808080818181828282838484858687888991949682
8078787878787878787878787878787879797978797979798080808081818182828383848586888980
78767676767676767676767676767676767777777777777777777878787878787979808080818178
767474747474747474747474747474747474757575757575757576767676767677777777787876
°F46810121416182022242628303234363840424446485052545658606264666870727476788082848688°F

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