925  
CDUS45 KBYZ 151031  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
331 AM MST FRI DEC 15 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 14 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 54 316 PM 56 1962 36 18 32  
2021  
MINIMUM 24 815 AM -18 2008 19 5 6  
AVERAGE 39 28 11 19  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.27 2014 0.02 -0.02 T  
MONTH TO DATE 0.10 0.25 -0.15 0.44  
SINCE OCT 1 2.16 2.22 -0.06 1.88  
SINCE JAN 1 17.23 13.99 3.24 15.11  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.2 2015 0.3 -0.3 0.1  
MONTH TO DATE T 4.0 -4.0 6.7  
SINCE DEC 1 T 4.0 -4.0 6.7  
SINCE JUL 1 6.7 15.3 -8.6 16.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 38 -12 46  
MONTH TO DATE 362 503 -141 606  
SINCE DEC 1 362 503 -141 606  
SINCE JUL 1 1721 2105 -384 2183  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 715 662 53 910    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 13.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 400 AM  
LOWEST 20 800 PM  
AVERAGE 46  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 69 1980  
MINIMUM TEMPERATURE (F) 19 -20 1964  
 
SUNRISE AND SUNSET  
DECEMBER 15 2023......SUNRISE 748 AM MST SUNSET 430 PM MST  
DECEMBER 16 2023......SUNRISE 749 AM MST SUNSET 430 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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