


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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903 CDUS45 KRIW 100727 CLIRKS CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 127 AM MDT FRI OCT 10 2025 ................................... ...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR OCTOBER 9 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 76 1:22 PM 79 2003 60 16 75 MINIMUM 44 6:08 AM 15 2009 35 9 44 2019 AVERAGE 60 47 13 PRECIPITATION (IN) YESTERDAY 0.00 0.38 1954 0.03 -0.03 0.00 MONTH TO DATE 0.24 0.26 -0.02 0.00 SINCE SEP 1 0.78 1.05 -0.27 0.39 SINCE JAN 1 3.72 6.29 -2.57 4.62 DEGREE DAYS HEATING YESTERDAY 5 18 -13 5 MONTH TO DATE 114 144 -30 50 SINCE SEP 1 277 386 -109 177 SINCE JUL 1 295 445 -150 208 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 1 0 1 0 SINCE SEP 1 20 11 9 38 SINCE JAN 1 442 320 122 445 ................................................................... WIND (MPH) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 9.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 55 11:00 PM LOWEST 21 1:00 PM AVERAGE 38 .......................................................... THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 59 78 2024 MINIMUM TEMPERATURE (F) 35 12 2019 SUNRISE AND SUNSET OCTOBER 10 2025.......SUNRISE 7:23 AM MDT SUNSET 6:42 PM MDT OCTOBER 11 2025.......SUNRISE 7:24 AM MDT SUNSET 6:41 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$