768  
CDUS45 KRIW 210726  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT MON APR 21 2025  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR APRIL 20 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 57 4:30 PM 79 1989 54 3 55  
MINIMUM 33 3:38 AM 6 1966 30 3 21  
AVERAGE 45 42 3  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.96 1971 0.03 -0.03 0.00  
MONTH TO DATE 0.26 0.56 -0.30 0.11  
SINCE MAR 1 1.49 1.14 0.35 1.27  
SINCE JAN 1 1.75 1.89 -0.14 1.74  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 23 -3 27  
MONTH TO DATE 375 498 -123 465  
SINCE MAR 1 1249 1459 -210 1451  
SINCE JUL 1 6470 7249 -779 6759  
 
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 26 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 14.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 8:00 AM  
LOWEST 26 4:00 PM  
AVERAGE 45  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 77 1989  
MINIMUM TEMPERATURE (F) 31 14 1970  
 
SUNRISE AND SUNSET  
APRIL 21 2025.........SUNRISE 6:27 AM MDT SUNSET 8:04 PM MDT  
APRIL 22 2025.........SUNRISE 6:25 AM MDT SUNSET 8:05 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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