CDUS45 KRIW 120045 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 545 PM MST THU DEC 11 2025 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 11 2025... VALID TODAY AS OF 0500 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 60R 1:40 PM 59 1939 35 25 38 MINIMUM 46 8:16 AM -19 1985 15 31 25 AVERAGE 53 25 28 32 PRECIPITATION (IN) TODAY T 0.15 1984 0.02 -0.02 0.00 MONTH TO DATE 0.11 0.22 -0.11 0.01 SINCE DEC 1 0.11 0.22 -0.11 0.01 SINCE JAN 1 11.80 11.83 -0.03 9.13 SNOWFALL (IN) TODAY MM 0.4 MM 0.0 MONTH TO DATE 1.0 3.9 -2.9 T SINCE DEC 1 1.0 3.9 -2.9 T SINCE JUL 1 5.3 21.3 -16.0 T SNOW DEPTH MM DEGREE DAYS HEATING TODAY 12 40 -28 33 MONTH TO DATE 334 428 -94 345 SINCE DEC 1 334 428 -94 345 SINCE JUL 1 1760 2230 -470 1845 COOLING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 467 443 24 538 ................................................................... WIND (MPH) HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 26.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 53 LOWEST 25 AVERAGE 39 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 35 60 2014 MINIMUM TEMPERATURE (F) 15 -142000 SUNRISE AND SUNSET DECEMBER 11 2025......SUNRISE 7:27 AM MST SUNSET 4:31 PM MST DECEMBER 12 2025......SUNRISE 7:28 AM MST SUNSET 4:32 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$