967  
CDUS45 KBYZ 081035  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
335 AM MST MON DEC 08 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 7 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 42 240 PM 60 1939 37 5 57  
MINIMUM 25 1206 AM -21 2013 21 4 41  
AVERAGE 34 29 5 49  
 
PRECIPITATION (IN)  
YESTERDAY T 0.45 1958 0.02 -0.02 0.00  
MONTH TO DATE 0.18 0.13 0.05 0.00  
SINCE OCT 1 2.67 2.10 0.57 0.80  
SINCE JAN 1 17.07 13.87 3.20 11.46  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.6 1958 0.3 -0.3 0.0  
MONTH TO DATE 1.1 1.9 -0.8 0.0  
SINCE DEC 1 1.1 1.9 -0.8 0.0  
SINCE JUL 1 8.1 13.2 -5.1 3.9  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 36 -5 16  
MONTH TO DATE 239 245 -6 185  
SINCE DEC 1 239 245 -6 185  
SINCE JUL 1 1468 1847 -379 1457  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 659 662 -3 790    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 14.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1200 AM  
LOWEST 54 700 PM  
AVERAGE 75  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 66 1939  
MINIMUM TEMPERATURE (F) 21 -25 1972  
 
SUNRISE AND SUNSET  
DECEMBER 8 2025......SUNRISE 743 AM MST SUNSET 430 PM MST  
DECEMBER 9 2025......SUNRISE 744 AM MST SUNSET 430 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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