555  
CDUS45 KRIW 090729  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT FRI MAY 09 2025  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 8 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 71 3:44 PM 76 1987 60 11 47  
MINIMUM 41 5:20 AM 21 2002 36 5 28  
AVERAGE 56 48 8  
 
PRECIPITATION (IN)  
YESTERDAY T 0.54 2016 0.04 -0.04 0.03  
MONTH TO DATE 0.14 0.33 -0.19 0.34  
SINCE MAR 1 1.85 1.82 0.03 1.94  
SINCE JAN 1 2.11 2.57 -0.46 2.41  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 17 -8 27  
MONTH TO DATE 83 148 -65 196  
SINCE MAR 1 1514 1821 -307 1824  
SINCE JUL 1 6735 7611 -876 7132  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 8:00 AM  
LOWEST 23 1:00 PM  
AVERAGE 40  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 78 1954  
MINIMUM TEMPERATURE (F) 36 22 2002  
 
SUNRISE AND SUNSET  
MAY 9 2025...........SUNRISE 6:03 AM MDT SUNSET 8:23 PM MDT  
MAY 10 2025...........SUNRISE 6:02 AM MDT SUNSET 8:24 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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