CDUS45 KRIW 190732 CLIRKS CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 132 AM MDT TUE MAY 19 2026 ................................... ...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 18 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1948 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 37 4:42 PM 83 1970 64 -27 55 MINIMUM 27R 8:24 AM 28 1971 39 -12 38 2017 AVERAGE 32 52 -20 PRECIPITATION (IN) YESTERDAY 0.01 0.48 2015 0.05 -0.04 0.08 MONTH TO DATE 0.14 0.76 -0.62 0.31 SINCE MAR 1 1.42 2.25 -0.83 2.02 SINCE JAN 1 1.58 3.00 -1.42 2.28 DEGREE DAYS HEATING YESTERDAY 33 13 20 18 MONTH TO DATE 255 298 -43 238 SINCE MAR 1 1517 1971 -454 1669 SINCE JUL 1 5899 7761 -1862 6890 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 2 0 2 1 SINCE MAR 1 2 0 2 1 SINCE JAN 1 2 0 2 1 ................................................................... WIND (MPH) HIGHEST WIND SPEED 47 HIGHEST WIND DIRECTION NE (50) HIGHEST GUST SPEED 65 HIGHEST GUST DIRECTION NE (50) AVERAGE WIND SPEED 20.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY SNOW SNOW LIGHT SNOW FOG FOG W/VISIBILITY <= 1/4 MILE HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 1:00 AM LOWEST 69 5:00 PM AVERAGE 85 .......................................................... THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 64 86 1954 MINIMUM TEMPERATURE (F) 40 25 2003 SUNRISE AND SUNSET MAY 19 2026...........SUNRISE 5:53 AM MDT SUNSET 8:33 PM MDT MAY 20 2026...........SUNRISE 5:52 AM MDT SUNSET 8:34 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$