441  
CDUS45 KRIW 260732  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT WED AUG 26 2026  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR AUGUST 25 2026  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1948 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 3:15 PM 91 1970 79 6 77  
MINIMUM 55 6:26 AM 34 1975 51 4 56  
AVERAGE 70 65 5  
 
PRECIPITATION (IN)  
YESTERDAY T 0.23 2006 0.02 -0.02 T  
MONTH TO DATE 0.50 0.45 0.05 0.03  
SINCE JUN 1 0.86 1.62 -0.76 0.43  
SINCE JAN 1 2.70 5.13 -2.43 2.74  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 1 20 -19 10  
SINCE JUN 1 112 200 -88 79  
SINCE JUL 1 5 41 -36 10  
 
COOLING  
YESTERDAY 5 2 3 2  
MONTH TO DATE 175 100 75 136  
SINCE JUN 1 520 298 222 418  
SINCE JAN 1 522 300 222 422    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 6:00 AM  
LOWEST 19 3:00 PM  
AVERAGE 44  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 90 1969  
2011  
MINIMUM TEMPERATURE (F) 51 34 1992  
 
SUNRISE AND SUNSET  
AUGUST 26 2026........SUNRISE 6:36 AM MDT SUNSET 7:59 PM MDT  
AUGUST 27 2026........SUNRISE 6:37 AM MDT SUNSET 7:57 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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