558  
CDUS45 KBYZ 312340  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
440 PM MST SUN DEC 31 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 31 2023
 
 
VALID TODAY AS OF 0400 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 42 242 PM 53 1962 35 7 40  
1963  
1980  
MINIMUM 23 527 AM -23 1978 17 6 29  
AVERAGE 33 26 7 35  
 
PRECIPITATION (IN)  
TODAY 0.00 0.32 1975 0.02 -0.02 T  
MONTH TO DATE 0.33 0.57 -0.24 0.61  
SINCE OCT 1 2.39 2.54 -0.15 2.05  
SINCE JAN 1 17.46 14.31 3.15 15.28  
 
SNOWFALL (IN)  
TODAY MM 6.0 1944 0.4 MM T  
MONTH TO DATE 1.8 9.8 -8.0 10.0  
SINCE DEC 1 1.8 9.8 -8.0 10.0  
SINCE JUL 1 8.5 21.1 -12.6 20.1  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 32 39 -7 30  
MONTH TO DATE 865 1159 -294 1407  
SINCE DEC 1 865 1159 -294 1407  
SINCE JUL 1 2224 2761 -537 2984  
 
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 (220)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 10.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 200 AM  
LOWEST 53 300 PM  
AVERAGE 71  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 60 1998  
MINIMUM TEMPERATURE (F) 17 -25 1942  
 
SUNRISE AND SUNSET  
DECEMBER 31 2023......SUNRISE 755 AM MST SUNSET 439 PM MST  
JANUARY 1 2024.......SUNRISE 755 AM MST SUNSET 440 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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