


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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431 CDUS45 KRIW 010728 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 128 AM MDT TUE JUL 01 2025 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR JUNE 30 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 85 4:46 PM 102 1990 85 0 96 MINIMUM 46 3:41 AM 35 1968 49 -3 50 AVERAGE 66 67 -1 PRECIPITATION (IN) YESTERDAY 0.00 0.34 1984 0.04 -0.04 T MONTH TO DATE 0.53 1.34 -0.81 0.80 SINCE JUN 1 0.53 1.34 -0.81 0.80 SINCE JAN 1 5.45 6.85 -1.40 6.06 SNOWFALL (IN) YESTERDAY 0.0 T 1968 0.0 0.0 0.0 MONTH TO DATE 0.0 0.1 -0.1 0.0 SINCE JUN 1 0.0 0.1 -0.1 0.0 SINCE JUL 1 26.5 71.8 -45.3 42.5 SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 0 2 -2 0 MONTH TO DATE 91 127 -36 54 SINCE JUN 1 91 127 -36 54 SINCE JUL 1 7022 7487 -465 7001 COOLING YESTERDAY 1 4 -3 8 MONTH TO DATE 75 51 24 103 SINCE JUN 1 75 51 24 103 SINCE JAN 1 75 55 20 106 ................................................................... WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (90) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (110) AVERAGE WIND SPEED 5.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 5:00 AM LOWEST 17 4:00 PM AVERAGE 55 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 86 100 2012 MINIMUM TEMPERATURE (F) 50 37 1968 SUNRISE AND SUNSET JULY 1 2025..........SUNRISE 5:31 AM MDT SUNSET 8:48 PM MDT JULY 2 2025..........SUNRISE 5:32 AM MDT SUNSET 8:48 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$