738  
CDUS45 KMSO 172234  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
434 PM MDT SUN AUG 17 2025  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR AUGUST 17 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 72 1143 AM 93 1919 80 -8 84  
2023  
MINIMUM 48 205 AM 30 1946 44 4 41  
AVERAGE 60 62 -2 63  
 
PRECIPITATION (IN)  
TODAY 0.08 0.44 1926 0.04 0.04 0.00  
MONTH TO DATE 0.45 0.71 -0.26 0.77  
SINCE JAN 1 7.80 9.20 -1.40 5.89  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE T  
SINCE JUN 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 5 4 1 2  
MONTH TO DATE 61 45 16 43  
SINCE JUN 1 372 426 -54 357  
SINCE JUL 1 119 136 -17 113  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 8 23 -15 21  
SINCE JUN 1 46 77 -31 116  
SINCE JAN 1 46 77 -31 116    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 100 AM  
LOWEST 42 1100 AM  
AVERAGE 64  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 93 1977  
MINIMUM TEMPERATURE (F) 44 31 1995  
 
SUNRISE AND SUNSET  
AUGUST 17 2025........SUNRISE 633 AM MDT SUNSET 834 PM MDT  
AUGUST 18 2025........SUNRISE 634 AM MDT SUNSET 833 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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