CDUS45 KRIW 130045 CLILND CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 545 PM MST FRI DEC 12 2025 ................................... ...THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 12 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 57R 1:29 PM 57 1924 33 24 37 1929 1995 MINIMUM 31 5:48 AM -28 1932 10 21 20 AVERAGE 44 22 22 29 PRECIPITATION (IN) TODAY 0.00 0.55 1926 0.02 -0.02 0.00 MONTH TO DATE 0.18 0.27 -0.09 0.00 SINCE DEC 1 0.18 0.27 -0.09 0.00 SINCE JAN 1 13.31 12.87 0.44 9.19 SNOWFALL (IN) TODAY MM 0.3 MM 0.0 MONTH TO DATE 2.6 3.9 -1.3 0.0 SINCE DEC 1 2.6 3.9 -1.3 0.0 SINCE JUL 1 3.7 26.5 -22.8 10.3 SNOW DEPTH MM DEGREE DAYS HEATING TODAY 21 43 -22 36 MONTH TO DATE 370 501 -131 379 SINCE DEC 1 370 501 -131 379 SINCE JUL 1 1740 2329 -589 1808 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 13 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 3.0 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 35 AVERAGE 51 .......................................................... THE LANDER WY CLIMATE NORMALS FOR TOMORROW NORMAL RECORDYEAR MAXIMUM TEMPERATURE (F) 33 60 1921 MINIMUM TEMPERATURE (F) 10 -23 1926 1932 SUNRISE AND SUNSET DECEMBER 12 2025......SUNRISE 7:37 AM MST SUNSET 4:41 PM MST DECEMBER 13 2025......SUNRISE 7:37 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. $$