567  
CDUS45 KBYZ 160440  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
940 PM MST SUN DEC 15 2024  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 15 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 39 1033 AM 69 1980 36 3 47  
MINIMUM 29 747 PM -20 1964 19 10 26  
AVERAGE 34 27 7 37  
 
PRECIPITATION (IN)  
TODAY 0.20 0.66 2016 0.02 0.18 0.00  
MONTH TO DATE 0.25 0.27 -0.02 0.10  
SINCE OCT 1 1.05 2.24 -1.19 2.16  
SINCE JAN 1 11.71 14.01 -2.30 17.23  
 
SNOWFALL (IN)  
TODAY MM 11.0 2016 0.3 MM 0.0  
MONTH TO DATE T 4.3 -4.3 T  
SINCE DEC 1 T 4.3 -4.3 T  
SINCE JUL 1 3.9 15.6 -11.7 6.7  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 31 38 -7 28  
MONTH TO DATE 418 541 -123 390  
SINCE DEC 1 418 541 -123 390  
SINCE JUL 1 1690 2143 -453 1749  
 
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 30 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 400 AM  
LOWEST 61 800 PM  
AVERAGE 79  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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