501  
CDUS45 KMSO 210838  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
138 AM MST SAT DEC 21 2024  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 20 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 43 358 PM 49 1958 30 13 48  
MINIMUM 16 807 AM -36 1998 6 10 21  
AVERAGE 30 18 12 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.25 1941 0.02 -0.02 0.00  
MONTH TO DATE 0.13 0.31 -0.18 0.15  
SINCE JAN 1 7.70 12.59 -4.89 17.10  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 47 -12 30  
MONTH TO DATE 729 913 -184 724  
SINCE DEC 1 729 913 -184 724  
SINCE JUL 1 2808 3368 -560 2897  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 127 83 44 73    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 2.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 1100 PM  
LOWEST 42 100 PM  
AVERAGE 65  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 51 2020  
MINIMUM TEMPERATURE (F) 6 -43 1983  
 
SUNRISE AND SUNSET  
DECEMBER 21 2024......SUNRISE 809 AM MST SUNSET 448 PM MST  
DECEMBER 22 2024......SUNRISE 810 AM MST SUNSET 448 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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