549  
CDUS45 KBYZ 120440  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
940 PM MST MON DEC 11 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 11 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 40 1011 AM 67 2004 36 4 36  
MINIMUM 30 831 PM -17 1961 20 10 17  
AVERAGE 35 28 7 27  
 
PRECIPITATION (IN)  
TODAY 0.04 0.35 1984 0.02 0.02 0.00  
MONTH TO DATE 0.10 0.20 -0.10 0.28  
SINCE OCT 1 2.16 2.17 -0.01 1.72  
SINCE JAN 1 17.23 13.94 3.29 14.95  
 
SNOWFALL (IN)  
TODAY MM 5.5 1984 0.3 MM 0.0  
MONTH TO DATE T 3.1 -3.1 3.9  
SINCE DEC 1 T 3.1 -3.1 3.9  
SINCE JUL 1 6.7 14.4 -7.7 14.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 30 37 -7 38  
MONTH TO DATE 275 391 -116 463  
SINCE DEC 1 275 391 -116 463  
SINCE JUL 1 1634 1993 -359 2040  
 
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 20 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
SNOW  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 800 PM  
LOWEST 46 700 AM  
AVERAGE 71  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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