029  
CDUS45 KRIW 310732  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1232 AM MST SUN DEC 31 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 30 2023
 
 
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)  
YESTERDAY  
MAXIMUM 31 1:58 PM 52 1980 29 2 30  
MINIMUM 12 8:30 AM -22 1978 13 -1 14  
AVERAGE 22 21 1  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.46 1965 0.01 -0.01 T  
MONTH TO DATE 0.02 0.30 -0.28 0.15  
SINCE DEC 1 0.02 0.30 -0.28 0.15  
SINCE JAN 1 5.26 7.54 -2.28 4.20  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 44 -1 43  
MONTH TO DATE 1174 1299 -125 1075  
SINCE DEC 1 1174 1299 -125 1075  
SINCE JUL 1 2863 3253 -390 2996  
 
COOLING  
YESTERDAY 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 6 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 7 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 1.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 6:00 AM  
LOWEST 63 2:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 53 1980  
MINIMUM TEMPERATURE (F) 13 -29 1978  
 
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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