531  
CDUS45 KRIW 060730  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1230 AM MST WED DEC 06 2023  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 5 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 47 2:31 PM 51 1986 31 16 32  
MINIMUM 31 8:33 AM -22 1972 15 16 17  
AVERAGE 39 23 16  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.21 1956 0.01 -0.01 T  
MONTH TO DATE T 0.05 -0.05 T  
SINCE DEC 1 T 0.05 -0.05 T  
SINCE JAN 1 5.24 7.29 -2.05 4.05  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 42 -16 40  
MONTH TO DATE 169 207 -38 229  
SINCE DEC 1 169 207 -38 229  
SINCE JUL 1 1858 2161 -303 2150  
 
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 29 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 12.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 12:00 AM  
LOWEST 49 2:00 PM  
AVERAGE 71  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 54 1981  
MINIMUM TEMPERATURE (F) 14 -19 2013  
 
SUNRISE AND SUNSET  
DECEMBER 6 2023......SUNRISE 7:28 AM MST SUNSET 4:46 PM MST  
DECEMBER 7 2023......SUNRISE 7:29 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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