822  
CDUS45 KRIW 110728  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT SAT OCT 11 2025  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR OCTOBER 10 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 65 3:25 PM 78 2024 59 6 78  
MINIMUM 51 7:42 AM 12 2019 35 16 43  
AVERAGE 58 47 11  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.71 1970 0.03 -0.02 0.00  
MONTH TO DATE 0.25 0.29 -0.04 0.00  
SINCE SEP 1 0.79 1.08 -0.29 0.39  
SINCE JAN 1 3.73 6.32 -2.59 4.62  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 18 -11 4  
MONTH TO DATE 121 162 -41 54  
SINCE SEP 1 284 404 -120 181  
SINCE JUL 1 302 463 -161 212  
 
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 21 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 9.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 10:00 AM  
LOWEST 55 6:00 AM  
AVERAGE 72  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 77 2024  
MINIMUM TEMPERATURE (F) 35 13 2019  
 
SUNRISE AND SUNSET  
OCTOBER 11 2025.......SUNRISE 7:24 AM MDT SUNSET 6:41 PM MDT  
OCTOBER 12 2025.......SUNRISE 7:25 AM MDT SUNSET 6:39 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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