321  
CDUS45 KRIW 280726  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT THU AUG 28 2025  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR AUGUST 27 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 74 1:28 PM 90 2011 78 -4 79  
MINIMUM 55 11:59 PM 35 1976 50 5 44  
AVERAGE 65 64 1  
 
PRECIPITATION (IN)  
YESTERDAY 0.20R 0.09 2011 0.02 0.18 0.00  
MONTH TO DATE 0.23 0.48 -0.25 0.85  
SINCE JUN 1 0.63 1.65 -1.02 1.36  
SINCE JAN 1 2.94 5.16 -2.22 4.23  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 3  
MONTH TO DATE 10 24 -14 18  
SINCE JUN 1 79 204 -125 80  
SINCE JUL 1 10 45 -35 25  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 136 104 32 130  
SINCE JUN 1 418 302 116 402  
SINCE JAN 1 422 304 118 402    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 11.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 7:00 PM  
LOWEST 46 1:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 89 1974  
MINIMUM TEMPERATURE (F) 50 38 1977  
 
SUNRISE AND SUNSET  
AUGUST 28 2025........SUNRISE 6:39 AM MDT SUNSET 7:55 PM MDT  
AUGUST 29 2025........SUNRISE 6:40 AM MDT SUNSET 7:54 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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