


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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474 CDUS45 KRIW 040727 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 127 AM MDT SAT OCT 04 2025 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 3 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 83 2:04 PM 86 2010 66 17 68 MINIMUM 42 4:11 AM 22 2009 36 6 31 AVERAGE 63 51 12 PRECIPITATION (IN) YESTERDAY 0.00 1.54 2013 0.05 -0.05 0.00 MONTH TO DATE 0.00 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) YESTERDAY 0.0 12.8 1994 0.2 -0.2 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 0 DEGREE DAYS HEATING YESTERDAY 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 YESTERDAY 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 31 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 11.8 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 79 4:00 AM LOWEST 16 3:00 PM AVERAGE 48 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 66 85 2024 MINIMUM TEMPERATURE (F) 35 22 1964 SUNRISE AND SUNSET OCTOBER 4 2025.......SUNRISE 7:07 AM MDT SUNSET 6:41 PM MDT OCTOBER 5 2025.......SUNRISE 7:08 AM MDT SUNSET 6:39 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$