CDUS45 KRIW 160732 CLILND CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1232 AM MST TUE DEC 16 2025 ................................... ...THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 15 2025... 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) YESTERDAY MAXIMUM 57 2:45 PM 60 1980 32 25 45 MINIMUM 28 8:28 AM -22 1926 10 18 18 AVERAGE 43 21 22 PRECIPITATION (IN) YESTERDAY 0.00 0.48 1915 0.02 -0.02 0.00 MONTH TO DATE 0.18 0.33 -0.15 0.00 SINCE DEC 1 0.18 0.33 -0.15 0.00 SINCE JAN 1 13.31 12.93 0.38 9.19 SNOWFALL (IN) YESTERDAY 0.0 4.7 1992 0.2 -0.2 0.0 MONTH TO DATE 2.6 4.7 -2.1 0.0 SINCE DEC 1 2.6 4.7 -2.1 0.0 SINCE JUL 1 3.7 27.3 -23.6 10.3 SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 22 44 -22 33 MONTH TO DATE 435 633 -198 477 SINCE DEC 1 435 633 -198 477 SINCE JUL 1 1805 2461 -656 1906 COOLING YESTERDAY 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 W (250) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 5.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 61 12:00 AM LOWEST 12 3:00 PM AVERAGE 37 .......................................................... THE LANDER WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 32 60 1939 1980 MINIMUM TEMPERATURE (F) 10 -21 1897 SUNRISE AND SUNSET DECEMBER 16 2025......SUNRISE 7:40 AM MST SUNSET 4:42 PM MST DECEMBER 17 2025......SUNRISE 7:40 AM MST SUNSET 4:42 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$