450  
CDUS45 KMSO 040737  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT THU SEP 04 2025  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 3 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 88 258 PM 96 2022 74 14 76  
MINIMUM 44 630 AM 23 1958 40 4 44  
AVERAGE 66 57 9 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.67 2023 0.04 -0.04 0.10  
MONTH TO DATE 0.00 0.12 -0.12 0.10  
SINCE JAN 1 8.28 9.89 -1.61 6.19  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE SEP 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 8 -8 5  
MONTH TO DATE 0 24 -24 5  
SINCE SEP 1 0 24 -24 5  
SINCE JUL 1 151 239 -88 193  
 
COOLING  
YESTERDAY 1 0 1 0  
MONTH TO DATE 2 0 2 2  
SINCE SEP 1 2 0 2 2  
SINCE JAN 1 59 81 -22 127    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 5.9  
 
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 65 700 AM  
LOWEST 12 500 PM  
AVERAGE 39  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 93 1998  
MINIMUM TEMPERATURE (F) 39 24 1969  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2025.....SUNRISE 655 AM MDT SUNSET 802 PM MDT  
SEPTEMBER 5 2025.....SUNRISE 656 AM MDT SUNSET 800 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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