178  
CDUS45 KRIW 010030  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
530 PM MST SUN DEC 31 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 31 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 34 4:24 PM 53 1980 29 5 36  
MINIMUM 17 2:46 AM -29 1978 13 4 27  
AVERAGE 26 21 5 32  
 
PRECIPITATION (IN)  
TODAY 0.00 0.38 1975 0.01 -0.01 0.02  
MONTH TO DATE 0.02 0.31 -0.29 0.17  
SINCE DEC 1 0.02 0.31 -0.29 0.17  
SINCE JAN 1 5.26 7.55 -2.29 4.22  
 
DEGREE DAYS  
HEATING  
TODAY 39 44 -5 33  
MONTH TO DATE 1213 1343 -130 1108  
SINCE DEC 1 1213 1343 -130 1108  
SINCE JUL 1 2902 3297 -395 3029  
 
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 8 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 1.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92  
LOWEST 63  
AVERAGE 78  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 47 1981  
MINIMUM TEMPERATURE (F) 13 -23 1979  
 
SUNRISE AND SUNSET  
DECEMBER 31 2023......SUNRISE 7:43 AM MST SUNSET 4:56 PM MST  
JANUARY 1 2024.......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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