982  
CDUS45 KRIW 190734  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
134 AM MDT SAT APR 19 2025  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR APRIL 18 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 33 4:17 PM 73 1981 53 -20 47  
MINIMUM 19 6:02 AM 12 1966 30 -11 19  
2013  
AVERAGE 26 42 -16  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.72 1966 0.03 -0.01 0.00  
MONTH TO DATE 0.26 0.50 -0.24 0.11  
SINCE MAR 1 1.49 1.08 0.41 1.27  
SINCE JAN 1 1.75 1.83 -0.08 1.74  
 
DEGREE DAYS  
HEATING  
YESTERDAY 39 24 15 32  
MONTH TO DATE 321 452 -131 409  
SINCE MAR 1 1195 1413 -218 1395  
SINCE JUL 1 6416 7203 -787 6703  
 
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 32 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 15.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 12:00 AM  
LOWEST 58 4:00 PM  
AVERAGE 77  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 75 1989  
MINIMUM TEMPERATURE (F) 30 7 1966  
 
SUNRISE AND SUNSET  
APRIL 19 2025.........SUNRISE 6:30 AM MDT SUNSET 8:02 PM MDT  
APRIL 20 2025.........SUNRISE 6:28 AM MDT SUNSET 8:03 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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