CDUS45 KRIW 110045 CLILND CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 545 PM MST WED DEC 10 2025 ................................... ...THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 10 2025... VALID TODAY AS OF 0500 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1891 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 52 2:40 PM 65 1933 33 19 37 MINIMUM 27 7:59 AM -24 1932 11 16 11 1972 AVERAGE 40 22 18 24 PRECIPITATION (IN) TODAY 0.00 0.57 1949 0.02 -0.02 0.00 MONTH TO DATE 0.18 0.22 -0.04 0.00 SINCE DEC 1 0.18 0.22 -0.04 0.00 SINCE JAN 1 13.31 12.82 0.49 9.19 SNOWFALL (IN) TODAY MM 0.4 MM 0.0 MONTH TO DATE 2.6 3.3 -0.7 0.0 SINCE DEC 1 2.6 3.3 -0.7 0.0 SINCE JUL 1 3.7 25.9 -22.2 10.3 SNOW DEPTH MM DEGREE DAYS HEATING TODAY 25 43 -18 41 MONTH TO DATE 327 415 -88 309 SINCE DEC 1 327 415 -88 309 SINCE JUL 1 1697 2243 -546 1738 COOLING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 569 485 84 644 ................................................................... WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 4.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 92 LOWEST 50 AVERAGE 71 .......................................................... THE LANDER WY CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 33 651937 MINIMUM TEMPERATURE (F) 11 -26 1972 SUNRISE AND SUNSET DECEMBER 10 2025......SUNRISE 7:35 AM MST SUNSET 4:41 PM MST DECEMBER 11 2025......SUNRISE 7:36 AM MST SUNSET 4:41 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$