731  
CDUS45 KBYZ 202330  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
430 PM MST WED DEC 20 2023  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 20 2023  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 57 245 PM 58 1941 35 22 -5  
MINIMUM 37 834 AM -22 1990 18 19 -11  
AVERAGE 47 27 20 -8  
 
PRECIPITATION (IN)  
TODAY 0.00 0.34 1944 0.02 -0.02 T  
MONTH TO DATE 0.10 0.36 -0.26 0.44  
SINCE OCT 1 2.16 2.33 -0.17 1.88  
SINCE JAN 1 17.23 14.10 3.13 15.11  
 
SNOWFALL (IN)  
TODAY MM 4.8 1944 0.3 MM T  
MONTH TO DATE T 5.9 -5.9 6.7  
SINCE DEC 1 T 5.9 -5.9 6.7  
SINCE JUL 1 6.7 17.2 -10.5 16.8  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 18 38 -20 73  
MONTH TO DATE 507 731 -224 937  
SINCE DEC 1 507 731 -224 937  
SINCE JUL 1 1866 2333 -467 2514  
 
COOLING  
TODAY 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 15 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 56 600 AM  
LOWEST 39 100 PM  
AVERAGE 48  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 57 1974  
1994  
MINIMUM TEMPERATURE (F) 18 -26 1989  
1990  
 
SUNRISE AND SUNSET  
DECEMBER 20 2023......SUNRISE 752 AM MST SUNSET 432 PM MST  
DECEMBER 21 2023......SUNRISE 752 AM MST SUNSET 432 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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