454  
CDUS45 KBYZ 161040  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
340 AM MST MON DEC 16 2024  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 15 2024  
 
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)  
YESTERDAY  
MAXIMUM 39 1033 AM 69 1980 36 3 47  
MINIMUM 29 1148 PM -20 1964 19 10 26  
AVERAGE 34 27 7 37  
 
PRECIPITATION (IN)  
YESTERDAY 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)  
YESTERDAY T 11.0 2016 0.3 -0.3 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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 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 10.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 400 AM  
LOWEST 55 1100 PM  
AVERAGE 76  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 67 1980  
MINIMUM TEMPERATURE (F) 19 -26 1964  
 
SUNRISE AND SUNSET  
DECEMBER 16 2024......SUNRISE 750 AM MST SUNSET 431 PM MST  
DECEMBER 17 2024......SUNRISE 750 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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