


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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821 CDUS45 KRIW 170737 CLIRKS CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 137 AM MDT TUE JUN 17 2025 ................................... ...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR JUNE 16 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 86 2:04 PM 95 2021 75 11 79 MINIMUM 52 4:49 AM 31 1957 47 5 48 AVERAGE 69 61 8 PRECIPITATION (IN) YESTERDAY 0.00 0.50 1957 0.02 -0.02 T MONTH TO DATE 0.02 0.43 -0.41 0.07 SINCE JUN 1 0.02 0.43 -0.41 0.07 SINCE JAN 1 2.33 3.94 -1.61 2.94 DEGREE DAYS HEATING YESTERDAY 0 5 -5 1 MONTH TO DATE 44 112 -68 22 SINCE JUN 1 44 112 -68 22 SINCE JUL 1 7046 8017 -971 7457 COOLING YESTERDAY 4 1 3 0 MONTH TO DATE 42 11 31 39 SINCE JUN 1 42 11 31 39 SINCE JAN 1 46 13 33 39 ................................................................... WIND (MPH) HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION W (260) AVERAGE WIND SPEED 8.9 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 22 6:00 AM LOWEST 7 1:00 PM AVERAGE 15 .......................................................... THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 76 92 2021 MINIMUM TEMPERATURE (F) 47 32 1998 SUNRISE AND SUNSET JUNE 17 2025..........SUNRISE 5:42 AM MDT SUNSET 8:53 PM MDT JUNE 18 2025..........SUNRISE 5:42 AM MDT SUNSET 8:53 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$