428  
CDUS45 KRIW 050731  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT SAT APR 05 2025  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR APRIL 4 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 39 3:23 PM 71 2021 50 -11 62  
MINIMUM 22 11:59 PM 8 1950 28 -6 37  
AVERAGE 31 39 -8  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.26 1957 0.03 -0.03 0.00  
MONTH TO DATE 0.05 0.10 -0.05 0.01  
SINCE MAR 1 1.28 0.68 0.60 1.17  
SINCE JAN 1 1.54 1.43 0.11 1.64  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 26 8 15  
MONTH TO DATE 34 105 -71 89  
SINCE MAR 1 908 1066 -158 1075  
SINCE JUL 1 6129 6856 -727 6383  
 
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 E (70)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 15.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 4:00 AM  
LOWEST 48 2:00 PM  
AVERAGE 70  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 72 1991  
MINIMUM TEMPERATURE (F) 28 11 1955  
2023  
 
SUNRISE AND SUNSET  
APRIL 5 2025.........SUNRISE 6:52 AM MDT SUNSET 7:46 PM MDT  
APRIL 6 2025.........SUNRISE 6:50 AM MDT SUNSET 7:48 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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