222  
CDUS45 KRIW 170730  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1230 AM MST TUE DEC 17 2024  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 16 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 35 1:15 PM 51 1980 29 6 43  
MINIMUM 15 7:22 AM -12 1972 13 2 18  
AVERAGE 25 21 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.27 1967 0.01 -0.01 0.00  
MONTH TO DATE T 0.16 -0.16 0.01  
SINCE DEC 1 T 0.16 -0.16 0.01  
SINCE JAN 1 5.69 7.40 -1.71 5.25  
 
DEGREE DAYS  
HEATING  
YESTERDAY 40 44 -4 34  
MONTH TO DATE 632 683 -51 578  
SINCE DEC 1 632 683 -51 578  
SINCE JUL 1 2270 2637 -367 2267  
 
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 20 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 6:00 AM  
LOWEST 36 1:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 57 1980  
MINIMUM TEMPERATURE (F) 13 -16 1964  
 
SUNRISE AND SUNSET  
DECEMBER 17 2024......SUNRISE 7:38 AM MST SUNSET 4:48 PM MST  
DECEMBER 18 2024......SUNRISE 7:38 AM MST SUNSET 4:48 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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