472  
CDUS45 KBYZ 221031  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
331 AM MST FRI DEC 22 2023  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 21 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 54 312 PM 57 1974 35 19 -9  
1994  
MINIMUM 34 313 AM -26 1989 18 16 -25  
1990  
AVERAGE 44 26 18 -17  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.55 1966 0.02 -0.02 0.17  
MONTH TO DATE 0.10 0.38 -0.28 0.61  
SINCE OCT 1 2.16 2.35 -0.19 2.05  
SINCE JAN 1 17.23 14.12 3.11 15.28  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.7 1966 0.3 -0.3 3.3  
MONTH TO DATE T 6.2 -6.2 10.0  
SINCE DEC 1 T 6.2 -6.2 10.0  
SINCE JUL 1 6.7 17.5 -10.8 20.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 38 -17 82  
MONTH TO DATE 528 769 -241 1019  
SINCE DEC 1 528 769 -241 1019  
SINCE JUL 1 1887 2371 -484 2596  
 
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 28 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 13.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 300 AM  
LOWEST 39 200 PM  
AVERAGE 53  
   
......................................................  
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 60 1954  
MINIMUM TEMPERATURE (F) 18 -26 1989  
1990  
 
SUNRISE AND SUNSET  
DECEMBER 22 2023......SUNRISE 753 AM MST SUNSET 433 PM MST  
DECEMBER 23 2023......SUNRISE 753 AM MST SUNSET 433 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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