831  
CDUS45 KBYZ 172331  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
431 PM MST TUE DEC 17 2024  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 17 2024
 
 
VALID TODAY AS OF 0400 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 38 247 PM 67 1939 35 3 49  
MINIMUM 23 730 AM -24 1964 19 4 26  
AVERAGE 31 27 4 38  
 
PRECIPITATION (IN)  
TODAY 0.00 0.38 1955 0.01 -0.01 0.00  
MONTH TO DATE 0.25 0.30 -0.05 0.10  
SINCE OCT 1 1.05 2.27 -1.22 2.16  
SINCE JAN 1 11.71 14.04 -2.33 17.23  
 
SNOWFALL (IN)  
TODAY 0.0 6.3 1963 0.3 -0.3 0.0  
MONTH TO DATE T 4.9 -4.9 T  
SINCE DEC 1 T 4.9 -4.9 T  
SINCE JUL 1 3.9 16.2 -12.3 6.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 34 38 -4 27  
MONTH TO DATE 487 617 -130 442  
SINCE DEC 1 487 617 -130 442  
SINCE JUL 1 1759 2219 -460 1801  
 
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 20 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 500 AM  
LOWEST 59 1200 PM  
AVERAGE 74  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 62 1979  
MINIMUM TEMPERATURE (F) 19 -19 1983  
 
SUNRISE AND SUNSET  
DECEMBER 17 2024......SUNRISE 750 AM MST SUNSET 431 PM MST  
DECEMBER 18 2024......SUNRISE 751 AM MST SUNSET 431 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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