CDUS45 KRIW 270728 CLIRIW CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1228 AM MST SAT DEC 27 2025 ................................... ...THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 26 2025... 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) YESTERDAY MAXIMUM 48R 2:45 PM 47 2006 29 19 38 MINIMUM 30 11:54 PM -11 2002 7 23 23 AVERAGE 39 18 21 31 PRECIPITATION (IN) YESTERDAY 0.03 0.25 0.01 0.02 0.00 MONTH TO DATE 0.18 0.22 -0.04 T SINCE DEC 1 0.18 0.22 -0.04 T SINCE JAN 1 9.14 8.52 0.62 6.22 SNOWFALL (IN) YESTERDAY T 3.5 2003 0.0 MONTH TO DATE 1.5 T SINCE DEC 1 1.5 T SINCE JUL 1 3.5 3.8 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 26 47 -21 34 MONTH TO DATE 704 1174 -470 909 SINCE DEC 1 704 1174 -470 909 SINCE JUL 1 2147 3071 -924 2426 COOLING YESTERDAY 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 30 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 13.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. SNOW LIGHT SNOW FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 10:00 PM LOWEST 49 1:00 PM AVERAGE 75 .......................................................... THE RIVERTON WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 29 45 2005 MINIMUM TEMPERATURE (F) 7 -10 2017 SUNRISE AND SUNSET DECEMBER 27 2025......SUNRISE 7:44 AM MST SUNSET 4:46 PM MST DECEMBER 28 2025......SUNRISE 7:45 AM MST SUNSET 4:47 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$