962  
CDUS45 KBYZ 201831  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1131 AM MST FRI DEC 20 2024  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 20 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 44 1059 AM 58 1941 35 9 57  
MINIMUM 22 137 AM -22 1990 18 4 37  
AVERAGE 33 27 6 47  
 
PRECIPITATION (IN)  
TODAY 0.00 0.34 1944 0.02 -0.02 0.00  
MONTH TO DATE 0.25 0.36 -0.11 0.10  
SINCE OCT 1 1.05 2.33 -1.28 2.16  
SINCE JAN 1 11.71 14.10 -2.39 17.23  
 
SNOWFALL (IN)  
TODAY MM 4.8 1944 0.3 MM 0.0  
MONTH TO DATE T 5.9 -5.9 T  
SINCE DEC 1 T 5.9 -5.9 T  
SINCE JUL 1 3.9 17.2 -13.3 6.7  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 32 38 -6 18  
MONTH TO DATE 575 731 -156 507  
SINCE DEC 1 575 731 -156 507  
SINCE JUL 1 1847 2333 -486 1866  
 
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 24 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 200 AM  
LOWEST 34 1000 AM  
AVERAGE 60  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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