928  
CDUS45 KRIW 230739  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1239 AM MST SAT DEC 23 2023  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 22 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 39 3:46 PM 47 1964 28 11 MM  
MINIMUM 22 8:15 AM -29 1990 13 9 MM  
AVERAGE 31 20 11  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.37 1979 0.01 -0.01 T  
MONTH TO DATE 0.01 0.22 -0.21 0.08  
SINCE DEC 1 0.01 0.22 -0.21 0.08  
SINCE JAN 1 5.25 7.46 -2.21 4.13  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 44 -10 MM  
MONTH TO DATE 784 947 -163 949  
SINCE DEC 1 784 947 -163 949  
SINCE JUL 1 2473 2901 -428 2870  
 
COOLING  
YESTERDAY 0 0 0 MM  
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 9 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 2.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 7:00 AM  
LOWEST 64 2:00 PM  
AVERAGE 82  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 28 48 1969  
MINIMUM TEMPERATURE (F) 13 -16 1990  
 
SUNRISE AND SUNSET  
DECEMBER 23 2023......SUNRISE 7:40 AM MST SUNSET 4:50 PM MST  
DECEMBER 24 2023......SUNRISE 7:41 AM MST SUNSET 4:51 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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