918  
CDUS45 KBYZ 181840  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1140 AM MST WED DEC 18 2024  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 18 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 43 1059 AM 62 1979 35 8 52  
MINIMUM 25 601 AM -19 1983 19 6 23  
AVERAGE 34 27 7 38  
 
PRECIPITATION (IN)  
TODAY 0.00 0.46 1973 0.02 -0.02 0.00  
MONTH TO DATE 0.25 0.32 -0.07 0.10  
SINCE OCT 1 1.05 2.29 -1.24 2.16  
SINCE JAN 1 11.71 14.06 -2.35 17.23  
 
SNOWFALL (IN)  
TODAY MM 5.1 1973 0.3 MM 0.0  
MONTH TO DATE T 5.2 -5.2 T  
SINCE DEC 1 T 5.2 -5.2 T  
SINCE JUL 1 3.9 16.5 -12.6 6.7  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 31 38 -7 27  
MONTH TO DATE 518 655 -137 469  
SINCE DEC 1 518 655 -137 469  
SINCE JUL 1 1790 2257 -467 1828  
 
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 W (250)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 200 AM  
LOWEST 66 1100 AM  
AVERAGE 81  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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