


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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532 CDUS45 KRIW 040045 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 645 PM MDT FRI OCT 03 2025 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 3 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 83 MM 86 2010 66 17 68 MINIMUM 43 4:00 AM 22 2009 36 7 31 AVERAGE 63 51 12 50 PRECIPITATION (IN) TODAY T 1.54 2013 0.05 -0.05 0.00 MONTH TO DATE T 0.14 -0.14 0.00 SINCE SEP 1 2.55 1.09 1.46 0.24 SINCE JAN 1 9.86 9.92 -0.06 7.22 SNOWFALL (IN) TODAY MM 0.2 MM 0.0 MONTH TO DATE 0.0 0.5 -0.5 0.0 SINCE SEP 1 0.0 2.0 -2.0 0.0 SINCE JUL 1 0.0 2.0 -2.0 0.0 SNOW DEPTH MM DEGREE DAYS HEATING TODAY 2 14 -12 15 MONTH TO DATE 15 41 -26 30 SINCE SEP 1 128 255 -127 132 SINCE JUL 1 138 300 -162 170 COOLING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE SEP 1 17 30 -13 63 SINCE JAN 1 467 442 25 538 ................................................................... WIND (MPH) HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 13.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 79 LOWEST 16 AVERAGE 48 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 66 85 2024 MINIMUM TEMPERATURE (F) 35 22 1964 SUNRISE AND SUNSET OCTOBER 3 2025.......SUNRISE 7:06 AM MDT SUNSET 6:43 PM MDT OCTOBER 4 2025.......SUNRISE 7:07 AM MDT SUNSET 6:41 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$