828  
CDUS45 KBYZ 201037  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
337 AM MST WED DEC 20 2023  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 19 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 54 311 PM 60 1979 35 19 2  
MINIMUM 36 919 AM -20 1990 18 18 -6  
AVERAGE 45 27 18 -2  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.18 1967 0.02 -0.02 T  
MONTH TO DATE 0.10 0.34 -0.24 0.44  
SINCE OCT 1 2.16 2.31 -0.15 1.88  
SINCE JAN 1 17.23 14.08 3.15 15.11  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.0 2013 0.4 -0.4 T  
MONTH TO DATE T 5.6 -5.6 6.7  
SINCE DEC 1 T 5.6 -5.6 6.7  
SINCE JUL 1 6.7 16.9 -10.2 16.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 38 -18 67  
MONTH TO DATE 489 693 -204 864  
SINCE DEC 1 489 693 -204 864  
SINCE JUL 1 1848 2295 -447 2441  
 
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 21 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 44 900 AM  
LOWEST 24 1200 AM  
AVERAGE 34  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 58 1941  
MINIMUM TEMPERATURE (F) 18 -22 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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