CDUS45 KRIW 130045 CLIRIW CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 545 PM MST FRI DEC 12 2025 ................................... ...THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 12 2025... VALID TODAY AS OF 0500 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1995 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 59R 12:10 PM 53 1995 31 28 33 MINIMUM 34 5:59 AM -10 2007 9 25 18 AVERAGE 47 20 27 26 PRECIPITATION (IN) TODAY 0.00 0.30 2022 0.01 -0.01 0.00 MONTH TO DATE 0.14 0.11 0.03 T SINCE DEC 1 0.14 0.11 0.03 T SINCE JAN 1 9.10 8.41 0.69 6.22 SNOWFALL (IN) TODAY MM 0.0 MONTH TO DATE 1.5 T SINCE DEC 1 1.5 T SINCE JUL 1 3.5 3.8 SNOW DEPTH MM DEGREE DAYS HEATING TODAY 18 45 -27 39 MONTH TO DATE 374 523 -149 430 SINCE DEC 1 374 523 -149 430 SINCE JUL 1 1817 2420 -603 1947 COOLING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 611 499 112 610 ................................................................... WIND (MPH) HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 8.1 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 67 LOWEST 34 AVERAGE 51 .......................................................... THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 31 55 2010 MINIMUM TEMPERATURE (F) 8 -7 2000 SUNRISE AND SUNSET DECEMBER 12 2025......SUNRISE 7:36 AM MST SUNSET 4:39 PM MST DECEMBER 13 2025......SUNRISE 7:37 AM MST SUNSET 4:39 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$