221  
CDUS45 KBYZ 302334  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
434 PM MST SAT DEC 30 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 30 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 44 333 PM 63 1980 35 9 39  
MINIMUM 25 759 AM -24 1968 17 8 23  
AVERAGE 35 26 9 31  
 
PRECIPITATION (IN)  
TODAY 0.00 0.31 1941 0.02 -0.02 0.00  
MONTH TO DATE 0.33 0.55 -0.22 0.61  
SINCE OCT 1 2.39 2.52 -0.13 2.05  
SINCE JAN 1 17.46 14.29 3.17 15.28  
 
SNOWFALL (IN)  
TODAY 0.0 4.7 2010 0.3 -0.3 0.0  
MONTH TO DATE 1.8 9.4 -7.6 10.0  
SINCE DEC 1 1.8 9.4 -7.6 10.0  
SINCE JUL 1 8.5 20.7 -12.2 20.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 30 39 -9 34  
MONTH TO DATE 833 1120 -287 1377  
SINCE DEC 1 833 1120 -287 1377  
SINCE JUL 1 2192 2722 -530 2954  
 
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 22 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 12.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 800 AM  
LOWEST 43 200 PM  
AVERAGE 61  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 53 1962  
1963  
1980  
MINIMUM TEMPERATURE (F) 17 -23 1978  
 
SUNRISE AND SUNSET  
DECEMBER 30 2023......SUNRISE 755 AM MST SUNSET 438 PM MST  
DECEMBER 31 2023......SUNRISE 755 AM MST SUNSET 439 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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