494  
CDUS45 KRIW 080729  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1229 AM MST FRI DEC 08 2023  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 7 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 12:50 PM 51 1981 31 8 28  
MINIMUM 24 11:59 PM -18 2005 14 10 8  
AVERAGE 32 22 10  
 
PRECIPITATION (IN)  
YESTERDAY T 0.15 1994 0.01 -0.01 T  
MONTH TO DATE T 0.07 -0.07 T  
SINCE DEC 1 T 0.07 -0.07 T  
SINCE JAN 1 5.24 7.31 -2.07 4.05  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 42 -9 47  
MONTH TO DATE 229 291 -62 319  
SINCE DEC 1 229 291 -62 319  
SINCE JUL 1 1918 2245 -327 2240  
 
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 45 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 57 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 19.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 8:00 AM  
LOWEST 52 3:00 PM  
AVERAGE 72  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 51 1981  
MINIMUM TEMPERATURE (F) 14 -20 2005  
 
SUNRISE AND SUNSET  
DECEMBER 8 2023......SUNRISE 7:30 AM MST SUNSET 4:46 PM MST  
DECEMBER 9 2023......SUNRISE 7:31 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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