521  
CDUS45 KMSO 080844  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
144 AM MST MON DEC 08 2025  
   
...............................  
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 7 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 39 1159 PM 54 2024 32 7 54  
MINIMUM 29 242 AM -31 1978 8 21 21  
AVERAGE 34 20 14 38  
 
PRECIPITATION (IN)  
YESTERDAY T 0.19 2003 0.01 -0.01 0.00  
MONTH TO DATE 0.15 0.11 0.04 0.00  
SINCE JAN 1 10.36 12.39 -2.03 7.57  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 45 -14 27  
MONTH TO DATE 260 310 -50 239  
SINCE DEC 1 260 310 -50 239  
SINCE JUL 1 2131 2765 -634 2318  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 60 83 -23 127    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 700 PM  
LOWEST 54 100 PM  
AVERAGE 68  
   
......................................................  
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 58 2020  
MINIMUM TEMPERATURE (F) 8 -39 1972  
 
SUNRISE AND SUNSET  
DECEMBER 8 2025......SUNRISE 759 AM MST SUNSET 445 PM MST  
DECEMBER 9 2025......SUNRISE 800 AM MST SUNSET 445 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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