498  
CDUS45 KBYZ 291840  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1140 AM MST SUN DEC 29 2024  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 29 2024  
 
VALID AS OF 1100 AM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 41 1023 AM 61 1999 35 6 42  
MINIMUM 31 719 AM -25 1968 17 14 24  
AVERAGE 36 26 10 33  
 
PRECIPITATION (IN)  
TODAY T 0.72 2017 0.02 -0.02 0.00  
MONTH TO DATE 0.25 0.53 -0.28 0.33  
SINCE OCT 1 1.05 2.50 -1.45 2.39  
SINCE JAN 1 11.71 14.27 -2.56 17.46  
 
SNOWFALL (IN)  
TODAY MM 8.9 2017 0.4 MM 0.0  
MONTH TO DATE T 9.1 -9.1 1.8  
SINCE DEC 1 T 9.1 -9.1 1.8  
SINCE JUL 1 3.9 20.4 -16.5 8.5  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 29 39 -10 32  
MONTH TO DATE 794 1081 -287 803  
SINCE DEC 1 794 1081 -287 803  
SINCE JUL 1 2066 2683 -617 2162  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 790 662 128 715    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 900 AM  
LOWEST 52 1200 AM  
AVERAGE 58  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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