707  
CDUS45 KRIW 160732  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT FRI MAY 16 2025  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 15 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 56 1:26 PM 80 1975 63 -7 63  
2012  
MINIMUM 33 11:53 PM 24 1974 38 -5 36  
AVERAGE 45 50 -5  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.79 1991 0.04 -0.02 0.00  
MONTH TO DATE 0.23 0.62 -0.39 0.49  
SINCE MAR 1 1.94 2.11 -0.17 2.09  
SINCE JAN 1 2.20 2.86 -0.66 2.56  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 14 6 15  
MONTH TO DATE 185 257 -72 295  
SINCE MAR 1 1616 1930 -314 1923  
SINCE JUL 1 6837 7720 -883 7231  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE MAR 1 1 0 1 0  
SINCE JAN 1 1 0 1 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 21.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 4:00 PM  
LOWEST 29 1:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 81 1988  
MINIMUM TEMPERATURE (F) 39 24 1955  
 
SUNRISE AND SUNSET  
MAY 16 2025...........SUNRISE 5:56 AM MDT SUNSET 8:30 PM MDT  
MAY 17 2025...........SUNRISE 5:55 AM MDT SUNSET 8:31 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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