947  
CDUS45 KMSO 150843  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
143 AM MST FRI DEC 15 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 14 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 39 335 PM 55 1924 30 9 24  
MINIMUM 5 835 AM -26 1967 7 -2 12  
AVERAGE 22 18 4 18  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.40 1915 0.01 -0.01 0.06  
MONTH TO DATE 0.15 0.21 -0.06 0.33  
SINCE JAN 1 17.10 12.49 4.61 9.52  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 46 -3 47  
MONTH TO DATE 507 631 -124 673  
SINCE DEC 1 507 631 -124 673  
SINCE JUL 1 2680 3086 -406 3023  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 73 83 -10 177    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 1.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 1000 AM  
LOWEST 48 400 PM  
AVERAGE 66  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 53 1980  
MINIMUM TEMPERATURE (F) 7 -27 1967  
 
SUNRISE AND SUNSET  
DECEMBER 15 2023......SUNRISE 805 AM MST SUNSET 445 PM MST  
DECEMBER 16 2023......SUNRISE 806 AM MST SUNSET 446 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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