CDUS45 KRIW 280727 CLIRKS CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1227 AM MST SUN DEC 28 2025 ................................... ...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 27 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 37 1:34 PM 51 1980 28 9 31 MINIMUM 16 11:59 PM -15 1948 13 3 20 AVERAGE 27 20 7 PRECIPITATION (IN) YESTERDAY T 0.22 1948 0.01 -0.01 0.03 MONTH TO DATE 0.10 0.27 -0.17 0.09 SINCE DEC 1 0.10 0.27 -0.17 0.09 SINCE JAN 1 4.51 7.51 -3.00 5.78 DEGREE DAYS HEATING YESTERDAY 38 44 -6 39 MONTH TO DATE 757 1167 -410 1017 SINCE DEC 1 757 1167 -410 1017 SINCE JUL 1 2249 3121 -872 2655 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 38 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 19.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN LIGHT SNOW RELATIVE HUMIDITY (PERCENT) HIGHEST 88 12:00 AM LOWEST 44 1:00 PM AVERAGE 66 .......................................................... THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 28 49 2005 MINIMUM TEMPERATURE (F) 13 -15 2015 SUNRISE AND SUNSET DECEMBER 28 2025......SUNRISE 7:42 AM MST SUNSET 4:54 PM MST DECEMBER 29 2025......SUNRISE 7:43 AM MST SUNSET 4:55 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$