391  
CDUS45 KBYZ 190431  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
931 PM MST WED DEC 18 2024  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 18 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 53 202 PM 62 1979 35 18 52  
MINIMUM 25 601 AM -19 1983 19 6 23  
AVERAGE 39 27 12 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 26 38 -12 27  
MONTH TO DATE 513 655 -142 469  
SINCE DEC 1 513 655 -142 469  
SINCE JUL 1 1785 2257 -472 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 44 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 62 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 12.2  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 200 AM  
LOWEST 29 800 PM  
AVERAGE 63  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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