265  
CDUS45 KRIW 170733  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
133 AM MDT THU JUL 17 2025  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR JULY 16 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 86 1:40 PM 96 2006 85 1 86  
MINIMUM 52 5:37 AM 46 1999 55 -3 54  
AVERAGE 69 70 -1  
 
PRECIPITATION (IN)  
YESTERDAY T 0.28 1975 0.02 -0.02 T  
MONTH TO DATE 0.32 0.23 0.09 0.04  
SINCE JUN 1 0.34 0.93 -0.59 0.29  
SINCE JAN 1 2.65 4.44 -1.79 3.16  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 16 -16 7  
SINCE JUN 1 69 175 -106 62  
SINCE JUL 1 0 16 -16 7  
 
COOLING  
YESTERDAY 4 6 -2 5  
MONTH TO DATE 105 69 36 85  
SINCE JUN 1 196 108 88 183  
SINCE JAN 1 200 110 90 183    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 10.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 6:00 AM  
LOWEST 18 1:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 97 2023  
MINIMUM TEMPERATURE (F) 56 45 1950  
 
SUNRISE AND SUNSET  
JULY 17 2025..........SUNRISE 5:57 AM MDT SUNSET 8:47 PM MDT  
JULY 18 2025..........SUNRISE 5:58 AM MDT SUNSET 8:47 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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