691  
CDUS45 KBYZ 130440  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
940 PM MST TUE DEC 12 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 12 2023
 
 
VALID AS OF 0900 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 42 340 PM 57 1988 36 6 24  
2017  
MINIMUM 29 904 AM -11 2000 20 9 13  
AVERAGE 36 28 8 19  
 
PRECIPITATION (IN)  
TODAY 0.00 0.29 1946 0.02 -0.02 0.15  
1958  
MONTH TO DATE 0.10 0.22 -0.12 0.43  
SINCE OCT 1 2.16 2.19 -0.03 1.87  
SINCE JAN 1 17.23 13.96 3.27 15.10  
 
SNOWFALL (IN)  
TODAY MM 4.7 1946 0.3 MM 2.4  
MONTH TO DATE T 3.4 -3.4 6.3  
SINCE DEC 1 T 3.4 -3.4 6.3  
SINCE JUL 1 6.7 14.7 -8.0 16.4  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 29 37 -8 46  
MONTH TO DATE 304 428 -124 509  
SINCE DEC 1 304 428 -124 509  
SINCE JUL 1 1663 2030 -367 2086  
 
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 18 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 700 AM  
LOWEST 64 200 PM  
AVERAGE 80  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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