431  
CDUS45 KRIW 310729  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1229 AM MST TUE DEC 31 2024  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 30 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1948 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 31 12:22 AM 52 1980 29 2 31  
MINIMUM 16 11:59 PM -22 1978 13 3 12  
AVERAGE 24 21 3  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.46 1965 0.01 -0.01 0.00  
MONTH TO DATE 0.18 0.30 -0.12 0.02  
SINCE DEC 1 0.18 0.30 -0.12 0.02  
SINCE JAN 1 5.87 7.54 -1.67 5.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 41 44 -3 43  
MONTH TO DATE 1117 1299 -182 1174  
SINCE DEC 1 1117 1299 -182 1174  
SINCE JUL 1 2755 3253 -498 2863  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 445 320 125 323    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 20.3  
 
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 89 12:00 AM  
LOWEST 60 3:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 53 1980  
MINIMUM TEMPERATURE (F) 13 -29 1978  
 
SUNRISE AND SUNSET  
DECEMBER 31 2024......SUNRISE 7:43 AM MST SUNSET 4:56 PM MST  
JANUARY 1 2025.......SUNRISE 7:43 AM MST SUNSET 4:57 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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