226  
CDUS45 KRIW 200748  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1248 AM MST MON JAN 20 2025  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR JANUARY 19 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 17 2:12 PM 52 1971 30 -13 37  
2018  
MINIMUM -3 2:31 AM -26 1963 14 -17 13  
AVERAGE 7 22 -15  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.24 1974 0.01 0.00 0.00  
MONTH TO DATE 0.04 0.23 -0.19 0.04  
SINCE DEC 1 0.22 0.54 -0.32 0.06  
SINCE JAN 1 0.04 0.23 -0.19 0.04  
 
DEGREE DAYS  
HEATING  
YESTERDAY 58 43 15 40  
MONTH TO DATE 835 829 6 900  
SINCE DEC 1 1999 2179 -180 2113  
SINCE JUL 1 3637 4133 -496 3802  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 6:00 PM  
LOWEST 61 2:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 51 2005  
MINIMUM TEMPERATURE (F) 14 -12 1962  
 
SUNRISE AND SUNSET  
JANUARY 20 2025.......SUNRISE 7:38 AM MST SUNSET 5:18 PM MST  
JANUARY 21 2025.......SUNRISE 7:37 AM MST SUNSET 5:19 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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