495  
CDUS45 KMSO 022239  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
439 PM MDT TUE SEP 02 2025  
   
...............................  
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 2 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 87 259 PM 92 1998 75 12 88  
MINIMUM 45 647 AM 25 1959 40 5 42  
AVERAGE 66 57 9 65  
 
PRECIPITATION (IN)  
TODAY 0.00 0.77 1921 0.04 -0.04 T  
MONTH TO DATE 0.00 0.08 -0.08 T  
SINCE JAN 1 8.28 9.85 -1.57 6.09  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE MM  
SINCE SEP 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 8 -8 0  
MONTH TO DATE 0 16 -16 0  
SINCE SEP 1 0 16 -16 0  
SINCE JUL 1 151 231 -80 188  
 
COOLING  
TODAY 1 0 1 0  
MONTH TO DATE 1 0 1 2  
SINCE SEP 1 1 0 1 2  
SINCE JAN 1 58 81 -23 127    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 600 AM  
LOWEST 12 300 PM  
AVERAGE 42  
   
......................................................  
 
THE BUTTE MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 96 2022  
MINIMUM TEMPERATURE (F) 40 23 1958  
 
SUNRISE AND SUNSET  
SEPTEMBER 2 2025.....SUNRISE 653 AM MDT SUNSET 806 PM MDT  
SEPTEMBER 3 2025.....SUNRISE 654 AM MDT SUNSET 804 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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