226  
CDUS45 KBYZ 110433  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
933 PM MST WED DEC 10 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 10 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 50 759 PM 65 1990 37 13 39  
MINIMUM 32 626 AM -14 1961 20 12 26  
AVERAGE 41 28 13 33  
 
PRECIPITATION (IN)  
TODAY 0.01 0.45 1975 0.02 -0.01 0.00  
MONTH TO DATE 0.19 0.18 0.01 T  
SINCE OCT 1 2.68 2.15 0.53 0.80  
SINCE JAN 1 17.08 13.92 3.16 11.46  
 
SNOWFALL (IN)  
TODAY MM 4.1 1975 0.3 MM 0.0  
MONTH TO DATE 1.1 2.8 -1.7 T  
SINCE DEC 1 1.1 2.8 -1.7 T  
SINCE JUL 1 8.1 14.1 -6.0 3.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 24 37 -13 32  
MONTH TO DATE 309 354 -45 270  
SINCE DEC 1 309 354 -45 270  
SINCE JUL 1 1538 1956 -418 1542  
 
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 22 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 1000 AM  
LOWEST 48 500 AM  
AVERAGE 62  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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