402  
CDUS45 KBYZ 191831  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1131 AM MST THU DEC 19 2024  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 19 2024
 
 
VALID AS OF 1100 AM 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 45 1041 AM 60 1979 35 10 54  
MINIMUM 36 507 AM -20 1990 18 18 36  
AVERAGE 41 27 14 45  
 
PRECIPITATION (IN)  
TODAY 0.00 0.18 1967 0.02 -0.02 0.00  
MONTH TO DATE 0.25 0.34 -0.09 0.10  
SINCE OCT 1 1.05 2.31 -1.26 2.16  
SINCE JAN 1 11.71 14.08 -2.37 17.23  
 
SNOWFALL (IN)  
TODAY MM 4.0 2013 0.4 MM 0.0  
MONTH TO DATE T 5.6 -5.6 T  
SINCE DEC 1 T 5.6 -5.6 T  
SINCE JUL 1 3.9 16.9 -13.0 6.7  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 24 38 -14 20  
MONTH TO DATE 537 693 -156 489  
SINCE DEC 1 537 693 -156 489  
SINCE JUL 1 1809 2295 -486 1848  
 
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 25 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 14.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 46 1100 AM  
LOWEST 29 1000 AM  
AVERAGE 38  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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