913  
CDUS45 KBYZ 100430  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
930 PM MST SAT DEC 09 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 9 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 39 231 PM 69 1957 37 2 36  
MINIMUM 28 846 PM -21 1977 20 8 22  
AVERAGE 34 29 5 29  
 
PRECIPITATION (IN)  
TODAY 0.00 0.40 1970 0.02 -0.02 0.00  
MONTH TO DATE 0.06 0.16 -0.10 0.28  
SINCE OCT 1 2.12 2.13 -0.01 1.72  
SINCE JAN 1 17.19 13.90 3.29 14.95  
 
SNOWFALL (IN)  
TODAY MM 4.0 1970 0.3 MM 0.0  
MONTH TO DATE T 2.5 -2.5 3.9  
SINCE DEC 1 T 2.5 -2.5 3.9  
SINCE JUL 1 6.7 13.8 -7.1 14.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 31 36 -5 36  
MONTH TO DATE 222 317 -95 383  
SINCE DEC 1 222 317 -95 383  
SINCE JUL 1 1581 1919 -338 1960  
 
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 24 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 11.7  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 300 AM  
LOWEST 28 100 PM  
AVERAGE 45  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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