885  
CDUS45 KRIW 110726  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT SUN MAY 11 2025  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 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 79R 3:34 PM 76 2004 61 18 58  
2007  
2012  
MINIMUM 45 5:20 AM 22 2006 37 8 36  
AVERAGE 62 49 13  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.50 2005 0.04 -0.04 0.00  
MONTH TO DATE 0.14 0.41 -0.27 0.49  
SINCE MAR 1 1.85 1.90 -0.05 2.09  
SINCE JAN 1 2.11 2.65 -0.54 2.56  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 16 -13 18  
MONTH TO DATE 93 181 -88 240  
SINCE MAR 1 1524 1854 -330 1868  
SINCE JUL 1 6745 7644 -899 7176  
 
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 21 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 54 6:00 AM  
LOWEST 12 2:00 PM  
AVERAGE 33  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 80 2007  
MINIMUM TEMPERATURE (F) 37 23 1999  
 
SUNRISE AND SUNSET  
MAY 11 2025...........SUNRISE 6:01 AM MDT SUNSET 8:25 PM MDT  
MAY 12 2025...........SUNRISE 6:00 AM MDT SUNSET 8:26 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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