206  
CDUS45 KRIW 180728  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1228 AM MST WED DEC 18 2024  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 17 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 36 1:46 PM 57 1980 29 7 43  
MINIMUM 24 11:59 PM -16 1964 13 11 22  
AVERAGE 30 21 9  
 
PRECIPITATION (IN)  
YESTERDAY T 0.20 1970 0.01 -0.01 0.00  
MONTH TO DATE T 0.17 -0.17 0.01  
SINCE DEC 1 T 0.17 -0.17 0.01  
SINCE JAN 1 5.69 7.41 -1.72 5.25  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 44 -9 32  
MONTH TO DATE 667 727 -60 610  
SINCE DEC 1 667 727 -60 610  
SINCE JUL 1 2305 2681 -376 2299  
 
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 30 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 15.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 12:00 PM  
LOWEST 61 12:00 AM  
AVERAGE 75  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 51 1980  
MINIMUM TEMPERATURE (F) 13 -12 1964  
 
SUNRISE AND SUNSET  
DECEMBER 18 2024......SUNRISE 7:38 AM MST SUNSET 4:48 PM MST  
DECEMBER 19 2024......SUNRISE 7:39 AM MST SUNSET 4:49 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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