619  
CDUS45 KRIW 170739  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
139 AM MDT THU APR 17 2025  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR APRIL 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 65 11:03 AM 71 1987 53 12 58  
MINIMUM 37 3:54 AM 14 2020 30 7 36  
AVERAGE 51 41 10  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.21 1978 0.03 -0.03 0.00  
MONTH TO DATE 0.05 0.44 -0.39 0.10  
SINCE MAR 1 1.28 1.02 0.26 1.26  
SINCE JAN 1 1.54 1.77 -0.23 1.73  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 24 -10 18  
MONTH TO DATE 250 404 -154 351  
SINCE MAR 1 1124 1365 -241 1337  
SINCE JUL 1 6345 7155 -810 6645  
 
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 33 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 11.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 52 7:00 PM  
LOWEST 16 10:00 AM  
AVERAGE 34  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 76 1987  
MINIMUM TEMPERATURE (F) 30 11 2020  
 
SUNRISE AND SUNSET  
APRIL 17 2025.........SUNRISE 6:33 AM MDT SUNSET 7:59 PM MDT  
APRIL 18 2025.........SUNRISE 6:31 AM MDT SUNSET 8:01 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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