


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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557 CDUS45 KRIW 300745 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 145 AM MDT WED JUL 30 2025 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR JULY 29 2025... 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) YESTERDAY MAXIMUM 88 3:08 PM 104 2006 90 -2 94 MINIMUM 56 3:13 AM 36 2015 55 1 43 AVERAGE 72 72 0 PRECIPITATION (IN) YESTERDAY 0.50 1.10 1998 0.04 0.46 0.00 MONTH TO DATE 0.95 1.12 -0.17 0.53 SINCE JUN 1 1.48 2.46 -0.98 1.33 SINCE JAN 1 6.40 7.97 -1.57 6.59 SNOWFALL (IN) YESTERDAY 0.0 0.0 2020 0.0 0.0 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 YESTERDAY 0 0 0 0 MONTH TO DATE 5 9 -4 16 SINCE JUN 1 96 135 -39 70 SINCE JUL 1 5 9 -4 16 COOLING YESTERDAY 7 8 -1 4 MONTH TO DATE 219 187 32 173 SINCE JUN 1 294 238 56 276 SINCE JAN 1 294 242 52 279 ................................................................... WIND (MPH) HIGHEST WIND SPEED 43 HIGHEST WIND DIRECTION N (340) HIGHEST GUST SPEED 65 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 13.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN RAIN LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 3:00 AM LOWEST 29 5:00 PM AVERAGE 65 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 90 101 2006 MINIMUM TEMPERATURE (F) 55 38 1971 SUNRISE AND SUNSET JULY 30 2025..........SUNRISE 5:55 AM MDT SUNSET 8:29 PM MDT JULY 31 2025..........SUNRISE 5:56 AM MDT SUNSET 8:27 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$