278  
CDUS45 KBYZ 141830  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1130 AM MST SUN DEC 14 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 14 2025
 
 
VALID AS OF 1100 AM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 45 959 AM 56 1962 36 9 46  
2021  
MINIMUM 8 1208 AM -18 2008 19 -11 27  
AVERAGE 27 28 -1 37  
 
PRECIPITATION (IN)  
TODAY 0.00 0.27 2014 0.02 -0.02 0.05  
MONTH TO DATE 1.28 0.25 1.03 0.05  
SINCE OCT 1 3.77 2.22 1.55 0.85  
SINCE JAN 1 18.17 13.99 4.18 11.51  
 
SNOWFALL (IN)  
TODAY MM 6.2 2015 0.3 MM 0.0  
MONTH TO DATE 14.1 4.0 10.1 T  
SINCE DEC 1 14.1 4.0 10.1 T  
SINCE JUL 1 21.1 15.3 5.8 3.9  
SNOW DEPTH 12  
 
DEGREE DAYS  
HEATING  
TODAY 38 38 0 28  
MONTH TO DATE 482 503 -21 387  
SINCE DEC 1 482 503 -21 387  
SINCE JUL 1 1711 2105 -394 1659  
 
COOLING  
TODAY 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 28 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 19.9  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1200 AM  
LOWEST 43 1100 AM  
AVERAGE 65  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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