905  
CDUS45 KMSO 110738  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
138 AM MDT FRI SEP 11 2026  
   
...............................  
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 10 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 79 218 PM 87 1966 72 7 76  
MINIMUM 37 616 AM 24 1921 38 -1 43  
AVERAGE 58 55 3 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.69 1978 0.04 -0.04 0.02  
MONTH TO DATE 0.50 0.39 0.11 0.15  
SINCE JAN 1 9.06 10.16 -1.10 8.43  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 10 -3 5  
MONTH TO DATE 90 89 1 39  
SINCE SEP 1 90 89 1 39  
SINCE JUL 1 188 304 -116 190  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 3  
SINCE SEP 1 0 0 0 3  
SINCE JAN 1 146 81 65 60    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 500 AM  
LOWEST 13 200 PM  
AVERAGE 48  
   
......................................................  
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 87 1981  
MINIMUM TEMPERATURE (F) 38 24 1989  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2026.....SUNRISE 703 AM MDT SUNSET 749 PM MDT  
SEPTEMBER 12 2026.....SUNRISE 705 AM MDT SUNSET 747 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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