


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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721 CDUS45 KRIW 150731 CLIRKS CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 131 AM MDT THU MAY 15 2025 ................................... ...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 14 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 54 4:19 PM 81 1976 62 -8 66 2013 MINIMUM 35 4:36 AM 25 1995 38 -3 41 AVERAGE 45 50 -5 PRECIPITATION (IN) YESTERDAY T 0.64 1958 0.05 -0.05 T MONTH TO DATE 0.21 0.58 -0.37 0.49 SINCE MAR 1 1.92 2.07 -0.15 2.09 SINCE JAN 1 2.18 2.82 -0.64 2.56 DEGREE DAYS HEATING YESTERDAY 20 15 5 11 MONTH TO DATE 165 243 -78 280 SINCE MAR 1 1596 1916 -320 1908 SINCE JUL 1 6817 7706 -889 7216 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 1 0 1 0 SINCE MAR 1 1 0 1 0 SINCE JAN 1 1 0 1 0 ................................................................... WIND (MPH) HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 18.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 79 10:00 PM LOWEST 28 4:00 PM AVERAGE 54 .......................................................... THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 63 80 1975 2012 MINIMUM TEMPERATURE (F) 38 24 1974 SUNRISE AND SUNSET MAY 15 2025...........SUNRISE 5:57 AM MDT SUNSET 8:29 PM MDT MAY 16 2025...........SUNRISE 5:56 AM MDT SUNSET 8:30 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$