794  
CDUS45 KRIW 130058  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
558 PM MST TUE DEC 12 2023  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 12 2023  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1948 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 31 3:59 PM 51 2004 30 1 35  
MINIMUM 22 1:49 AM -12 1972 13 9 17  
AVERAGE 27 21 6 26  
 
PRECIPITATION (IN)  
TODAY 0.00 0.94 1975 0.01 -0.01 0.02  
MONTH TO DATE 0.01 0.12 -0.11 0.02  
SINCE DEC 1 0.01 0.12 -0.11 0.02  
SINCE JAN 1 5.25 7.36 -2.11 4.07  
 
DEGREE DAYS  
HEATING  
TODAY 38 44 -6 39  
MONTH TO DATE 431 507 -76 532  
SINCE DEC 1 431 507 -76 532  
SINCE JUL 1 2120 2461 -341 2453  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 323 320 3 537    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 78  
AVERAGE 89  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 49 2010  
MINIMUM TEMPERATURE (F) 13 -10 1967  
 
SUNRISE AND SUNSET  
DECEMBER 12 2023......SUNRISE 7:34 AM MST SUNSET 4:46 PM MST  
DECEMBER 13 2023......SUNRISE 7:34 AM MST SUNSET 4:46 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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