411  
CDUS45 KBYZ 182337  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
437 PM MST MON DEC 18 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 18 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 52 145 PM 62 1979 35 17 13  
MINIMUM 23 247 AM -19 1983 19 4 0  
AVERAGE 38 27 11 7  
 
PRECIPITATION (IN)  
TODAY 0.00 0.46 1973 0.02 -0.02 T  
MONTH TO DATE 0.10 0.32 -0.22 0.44  
SINCE OCT 1 2.16 2.29 -0.13 1.88  
SINCE JAN 1 17.23 14.06 3.17 15.11  
 
SNOWFALL (IN)  
TODAY MM 5.1 1973 0.3 MM T  
MONTH TO DATE T 5.2 -5.2 6.7  
SINCE DEC 1 T 5.2 -5.2 6.7  
SINCE JUL 1 6.7 16.5 -9.8 16.8  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 27 38 -11 58  
MONTH TO DATE 469 655 -186 797  
SINCE DEC 1 469 655 -186 797  
SINCE JUL 1 1828 2257 -429 2374  
 
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 26 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 200 AM  
LOWEST 25 400 PM  
AVERAGE 51  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 60 1979  
MINIMUM TEMPERATURE (F) 18 -20 1990  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 750 AM MST SUNSET 431 PM MST  
DECEMBER 19 2023......SUNRISE 751 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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