


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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757 CDUS45 KRIW 280045 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 645 PM MDT WED AUG 27 2025 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR AUGUST 27 2025... VALID TODAY AS OF 0600 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1939 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 70 1:28 AM 96 1995 84 -14 84 2011 2012 MINIMUM 59 7:42 AM 37 1976 49 10 46 AVERAGE 65 66 -1 65 PRECIPITATION (IN) TODAY 0.28R 0.24 1978 0.02 0.26 0.00 MONTH TO DATE 0.51 0.71 -0.20 0.39 SINCE JUN 1 2.18 3.24 -1.06 1.72 SINCE JAN 1 7.10 8.75 -1.65 6.98 SNOWFALL (IN) TODAY MM 0.0 MM 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE JUN 1 0.0 0.1 -0.1 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH MM DEGREE DAYS HEATING TODAY 0 2 -2 0 MONTH TO DATE 4 19 -15 10 SINCE JUN 1 100 159 -59 80 SINCE JUL 1 9 33 -24 26 COOLING TODAY 0 3 -3 0 MONTH TO DATE 143 144 -1 179 SINCE JUN 1 445 395 50 467 SINCE JAN 1 445 399 46 470 ................................................................... WIND (MPH) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 10.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 LOWEST 55 AVERAGE 74 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 84 95 1995 2012 MINIMUM TEMPERATURE (F) 48 34 2004 SUNRISE AND SUNSET AUGUST 27 2025........SUNRISE 6:25 AM MDT SUNSET 7:48 PM MDT AUGUST 28 2025........SUNRISE 6:26 AM MDT SUNSET 7:47 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$