237  
CDUS45 KRIW 100047  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
547 PM MST SAT DEC 09 2023  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 9 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 23 3:03 PM 53 1975 30 -7 29  
2015  
MINIMUM 15 8:58 AM -21 1972 14 1 7  
AVERAGE 19 22 -3 18  
 
PRECIPITATION (IN)  
TODAY T 0.50 1997 0.01 -0.01 0.00  
MONTH TO DATE T 0.09 -0.09 T  
SINCE DEC 1 T 0.09 -0.09 T  
SINCE JAN 1 5.24 7.33 -2.09 4.05  
 
DEGREE DAYS  
HEATING  
TODAY 46 43 3 47  
MONTH TO DATE 315 377 -62 414  
SINCE DEC 1 315 377 -62 414  
SINCE JUL 1 2004 2331 -327 2335  
 
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 W (250)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 11.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 65  
AVERAGE 81  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 53 1981  
MINIMUM TEMPERATURE (F) 14 -28 1972  
 
SUNRISE AND SUNSET  
DECEMBER 9 2023......SUNRISE 7:31 AM MST SUNSET 4:46 PM MST  
DECEMBER 10 2023......SUNRISE 7:32 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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