846  
CDUS45 KBYZ 291830  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1130 AM MST MON DEC 29 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 29 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 26 959 AM 61 1999 35 -9 42  
MINIMUM 22 815 AM -25 1968 17 5 31  
AVERAGE 24 26 -2 37  
 
PRECIPITATION (IN)  
TODAY 0.00 0.72 2017 0.02 -0.02 0.09  
MONTH TO DATE 1.39 0.53 0.86 0.34  
SINCE OCT 1 3.88 2.50 1.38 1.14  
SINCE JAN 1 18.28 14.27 4.01 11.80  
 
SNOWFALL (IN)  
TODAY MM 8.9 2017 0.4 MM T  
MONTH TO DATE 14.1 9.1 5.0 T  
SINCE DEC 1 14.1 9.1 5.0 T  
SINCE JUL 1 21.1 20.4 0.7 3.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 41 39 2 28  
MONTH TO DATE 899 1081 -182 793  
SINCE DEC 1 899 1081 -182 793  
SINCE JUL 1 2128 2683 -555 2065  
 
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 23 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 17.1  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 50 200 AM  
LOWEST 39 1100 AM  
AVERAGE 45  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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