119  
CDUS45 KBYZ 131038  
CLISHR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
338 AM MST SAT DEC 13 2025  
   
...............................
 
 
   
..THE SHERIDAN WY CLIMATE SUMMARY FOR DECEMBER 12 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 23 1215 AM 70 2017 37 -14 49  
MINIMUM 5 942 PM -24 1922 12 -7 24  
AVERAGE 14 24 -10 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.37 0.42 1955 0.02 0.35 0.00  
MONTH TO DATE 1.08 0.22 0.86 0.04  
SINCE OCT 1 3.79 2.55 1.24 1.77  
SINCE JAN 1 18.48 14.61 3.87 10.66  
 
DEGREE DAYS  
HEATING  
YESTERDAY 51 40 11 28  
MONTH TO DATE 404 468 -64 340  
SINCE DEC 1 404 468 -64 340  
SINCE JUL 1 1857 2298 -441 1734  
 
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 15 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 100 AM  
LOWEST 84 600 PM  
AVERAGE 90  
   
......................................................
 
 
THE SHERIDAN WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 62 1921  
MINIMUM TEMPERATURE (F) 12 -26 1919  
 
SUNRISE AND SUNSET  
DECEMBER 13 2025......SUNRISE 737 AM MST SUNSET 427 PM MST  
DECEMBER 14 2025......SUNRISE 738 AM MST SUNSET 428 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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