


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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556 CDUS45 KRIW 130736 CLIRKS CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 136 AM MDT MON OCT 13 2025 ................................... ...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR OCTOBER 12 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 47 2:46 PM 76 1950 58 -11 74 MINIMUM 32 7:06 AM 9 1969 34 -2 41 AVERAGE 40 46 -6 PRECIPITATION (IN) YESTERDAY 0.00 0.44 1975 0.02 -0.02 0.00 MONTH TO DATE 0.39 0.34 0.05 0.00 SINCE SEP 1 0.93 1.13 -0.20 0.39 SINCE JAN 1 3.87 6.37 -2.50 4.62 DEGREE DAYS HEATING YESTERDAY 25 19 6 7 MONTH TO DATE 162 199 -37 63 SINCE SEP 1 325 441 -116 190 SINCE JUL 1 343 500 -157 221 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 29 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (260) AVERAGE WIND SPEED 14.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 96 12:00 AM LOWEST 35 4:00 PM AVERAGE 66 .......................................................... THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 58 74 2015 MINIMUM TEMPERATURE (F) 34 6 1969 SUNRISE AND SUNSET OCTOBER 13 2025.......SUNRISE 7:27 AM MDT SUNSET 6:38 PM MDT OCTOBER 14 2025.......SUNRISE 7:28 AM MDT SUNSET 6:36 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$