163  
CDUS45 KBYZ 050440  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
940 PM MST THU DEC 04 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 4 2025
 
 
VALID AS OF 0900 PM 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 38 758 PM 65 1979 38 0 42  
MINIMUM 23 1217 AM -11 1972 22 1 22  
AVERAGE 31 30 1 32  
 
PRECIPITATION (IN)  
TODAY T 0.97 1978 0.01 -0.01 0.00  
MONTH TO DATE 0.02 0.07 -0.05 0.00  
SINCE OCT 1 2.51 2.04 0.47 0.80  
SINCE JAN 1 16.91 13.81 3.10 11.46  
 
SNOWFALL (IN)  
TODAY MM 13.7 1978 0.3 MM 0.0  
MONTH TO DATE 0.3 1.1 -0.8 0.0  
SINCE DEC 1 0.3 1.1 -0.8 0.0  
SINCE JUL 1 7.3 12.4 -5.1 3.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 34 35 -1 33  
MONTH TO DATE 141 138 3 122  
SINCE DEC 1 141 138 3 122  
SINCE JUL 1 1370 1740 -370 1394  
 
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 (240)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 14.2  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 500 AM  
LOWEST 54 100 PM  
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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