742  
CDUS45 KRIW 110732  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1232 AM MST MON DEC 11 2023  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 10 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 35 1:09 PM 53 1981 30 5 30  
MINIMUM 14 12:51 AM -28 1972 14 0 6  
AVERAGE 25 22 3  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.34 1949 0.01 -0.01 0.00  
MONTH TO DATE T 0.10 -0.10 T  
SINCE DEC 1 T 0.10 -0.10 T  
SINCE JAN 1 5.24 7.34 -2.10 4.05  
 
DEGREE DAYS  
HEATING  
YESTERDAY 40 43 -3 47  
MONTH TO DATE 356 420 -64 461  
SINCE DEC 1 356 420 -64 461  
SINCE JUL 1 2045 2374 -329 2382  
 
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 35 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 17.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 12:00 AM  
LOWEST 43 5:00 AM  
AVERAGE 60  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 51 2004  
MINIMUM TEMPERATURE (F) 13 -24 1972  
 
SUNRISE AND SUNSET  
DECEMBER 11 2023......SUNRISE 7:33 AM MST SUNSET 4:46 PM MST  
DECEMBER 12 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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