990  
CDUS45 KMSO 010740  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
140 AM MDT TUE SEP 01 2026  
   
...............................  
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR AUGUST 31 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 76 520 PM 91 1955 75 1 82  
MINIMUM 32 508 AM 27 2006 40 -8 40  
AVERAGE 54 58 -4 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.38 1984 0.04 -0.04 0.00  
MONTH TO DATE 0.77 1.28 -0.51 0.93  
SINCE JAN 1 8.56 9.77 -1.21 8.28  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 7 4 4  
MONTH TO DATE 70 124 -54 93  
SINCE JUN 1 413 505 -92 404  
SINCE JUL 1 98 215 -117 151  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 28 27 1 19  
SINCE JUN 1 146 81 65 57  
SINCE JAN 1 146 81 65 57    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 4.0  
 
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 79 700 AM  
LOWEST 15 400 PM  
AVERAGE 47  
   
......................................................  
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 92 1998  
MINIMUM TEMPERATURE (F) 40 26 2006  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2026.....SUNRISE 651 AM MDT SUNSET 808 PM MDT  
SEPTEMBER 2 2026.....SUNRISE 652 AM MDT SUNSET 806 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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