CDUS45 KRIW 120731 CLIRKS CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1231 AM MST FRI DEC 12 2025 ................................... ...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 11 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1948 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 53R 1:47 PM 51 2004 30 23 33 MINIMUM 38 11:26 PM -24 1972 13 25 16 AVERAGE 46 22 24 PRECIPITATION (IN) YESTERDAY 0.00 0.14 1964 0.01 -0.01 0.00 MONTH TO DATE 0.01 0.11 -0.10 0.00 SINCE DEC 1 0.01 0.11 -0.10 0.00 SINCE JAN 1 4.42 7.35 -2.93 5.69 DEGREE DAYS HEATING YESTERDAY 19 43 -24 40 MONTH TO DATE 354 463 -109 436 SINCE DEC 1 354 463 -109 436 SINCE JUL 1 1846 2417 -571 2074 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 442 320 122 445 ................................................................... WIND (MPH) HIGHEST WIND SPEED 46 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 57 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 28.9 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 60 12:00 AM LOWEST 31 2:00 PM AVERAGE 46 .......................................................... THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 30 51 2004 MINIMUM TEMPERATURE (F) 13 -12 1972 SUNRISE AND SUNSET DECEMBER 12 2025......SUNRISE 7:34 AM MST SUNSET 4:46 PM MST DECEMBER 13 2025......SUNRISE 7:35 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. $$