979  
CDUS45 KBYZ 101031  
CLISHR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
331 AM MST WED DEC 10 2025  
   
...............................  
 
   
..THE SHERIDAN WY CLIMATE SUMMARY FOR DECEMBER 9 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1907 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 59 1135 AM 69 1957 37 22 35  
2015  
MINIMUM 29 1037 PM -41 1919 13 16 29  
AVERAGE 44 25 19 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.17 0.28 1938 0.02 0.15 0.03  
MONTH TO DATE 0.38 0.17 0.21 0.03  
SINCE OCT 1 3.09 2.50 0.59 1.76  
SINCE JAN 1 17.78 14.56 3.22 10.65  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 40 -19 33  
MONTH TO DATE 304 348 -44 246  
SINCE DEC 1 304 348 -44 246  
SINCE JUL 1 1757 2178 -421 1640  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 396 442 -46 669    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 58 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 300 PM  
LOWEST 33 700 AM  
AVERAGE 65  
   
......................................................  
 
THE SHERIDAN WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 70 1981  
MINIMUM TEMPERATURE (F) 13 -21 1932  
 
SUNRISE AND SUNSET  
DECEMBER 10 2025......SUNRISE 735 AM MST SUNSET 427 PM MST  
DECEMBER 11 2025......SUNRISE 735 AM MST SUNSET 427 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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