236  
CDUS45 KBYZ 010430  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
930 PM MST TUE DEC 31 2024  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 31 2024
 
 
VALID AS OF 0900 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 30 256 PM 53 1962 35 -5 42  
1963  
1980  
MINIMUM 22 652 AM -23 1978 17 5 23  
AVERAGE 26 26 0 33  
 
PRECIPITATION (IN)  
TODAY 0.04 0.32 1975 0.02 0.02 0.00  
MONTH TO DATE 0.50 0.57 -0.07 0.33  
SINCE OCT 1 1.30 2.54 -1.24 2.39  
SINCE JAN 1 11.96 14.31 -2.35 17.46  
 
SNOWFALL (IN)  
TODAY MM 6.0 1944 0.4 MM 0.0  
MONTH TO DATE 1.7 9.8 -8.1 1.8  
SINCE DEC 1 1.7 9.8 -8.1 1.8  
SINCE JUL 1 5.6 21.1 -15.5 8.5  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 39 39 0 32  
MONTH TO DATE 869 1159 -290 865  
SINCE DEC 1 869 1159 -290 865  
SINCE JUL 1 2141 2761 -620 2224  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 790 662 128 715    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1000 AM  
LOWEST 88 800 PM  
AVERAGE 92  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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