


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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080 CDUS45 KRIW 220726 CLIRKS CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 126 AM MDT FRI AUG 22 2025 ................................... ...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR AUGUST 21 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 87 1:11 PM 92 2003 80 7 88 MINIMUM 62 4:34 AM 34 1966 52 10 62 AVERAGE 75 66 9 PRECIPITATION (IN) YESTERDAY T 0.24 2021 0.02 -0.02 T MONTH TO DATE 0.03 0.38 -0.35 0.70 SINCE JUN 1 0.43 1.55 -1.12 1.21 SINCE JAN 1 2.74 5.06 -2.32 4.08 DEGREE DAYS HEATING YESTERDAY 0 1 -1 0 MONTH TO DATE 10 12 -2 7 SINCE JUN 1 79 192 -113 69 SINCE JUL 1 10 33 -23 14 COOLING YESTERDAY 10 3 7 10 MONTH TO DATE 116 92 24 118 SINCE JUN 1 398 290 108 390 SINCE JAN 1 402 292 110 390 ................................................................... WIND (MPH) HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 8.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 32 10:00 PM LOWEST 21 12:00 PM AVERAGE 27 .......................................................... THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 93 2009 2020 MINIMUM TEMPERATURE (F) 52 37 1966 SUNRISE AND SUNSET AUGUST 22 2025........SUNRISE 6:33 AM MDT SUNSET 8:05 PM MDT AUGUST 23 2025........SUNRISE 6:34 AM MDT SUNSET 8:03 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$