CDUS45 KRIW 110045 CLICPR CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 545 PM MST WED DEC 10 2025 ................................... ...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 10 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 56 2:34 PM 63 1939 35 21 35 MINIMUM 26 2:35 AM -18 1961 15 11 14 AVERAGE 41 25 16 25 PRECIPITATION (IN) TODAY T 0.23 1970 0.02 -0.02 0.00 MONTH TO DATE 0.11 0.20 -0.09 0.01 SINCE DEC 1 0.11 0.20 -0.09 0.01 SINCE JAN 1 11.80 11.81 -0.01 9.13 SNOWFALL (IN) TODAY MM 0.4 MM 0.0 MONTH TO DATE 1.0 3.5 -2.5 T SINCE DEC 1 1.0 3.5 -2.5 T SINCE JUL 1 5.3 20.9 -15.6 T SNOW DEPTH MM DEGREE DAYS HEATING TODAY 24 40 -16 40 MONTH TO DATE 322 388 -66 312 SINCE DEC 1 322 388 -66 312 SINCE JUL 1 1748 2190 -442 1812 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 32 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 12.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 92 LOWEST 43 AVERAGE 68 .......................................................... THE CASPER WY CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 35 59 1939 MINIMUM TEMPERATURE (F) 15 -191985 SUNRISE AND SUNSET DECEMBER 10 2025......SUNRISE 7:26 AM MST SUNSET 4:31 PM MST DECEMBER 11 2025......SUNRISE 7:27 AM MST SUNSET 4:31 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$