719  
CDUS45 KBYZ 121835  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1135 AM MST TUE DEC 12 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 12 2023
 
 
VALID AS OF 1100 AM 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 35 1059 AM 57 1988 36 -1 24  
2017  
MINIMUM 29 904 AM -11 2000 20 9 13  
AVERAGE 32 28 4 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 0.0 4.7 1946 0.3 -0.3 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 0  
 
DEGREE DAYS  
HEATING  
TODAY 33 37 -4 46  
MONTH TO DATE 308 428 -120 509  
SINCE DEC 1 308 428 -120 509  
SINCE JUL 1 1667 2030 -363 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 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 700 AM  
LOWEST 78 1100 AM  
AVERAGE 87  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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