073  
CDUS45 KMSO 190737  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT TUE AUG 19 2025  
   
...............................  
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR AUGUST 18 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 84 340 PM 93 1977 79 5 88  
MINIMUM 44 632 AM 31 1995 44 0 49  
AVERAGE 64 62 2 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.47 1990 0.04 -0.02 T  
MONTH TO DATE 0.48 0.75 -0.27 0.77  
SINCE JAN 1 7.83 9.24 -1.41 5.89  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 4 -3 0  
MONTH TO DATE 62 49 13 43  
SINCE JUN 1 373 430 -57 357  
SINCE JUL 1 120 140 -20 113  
 
COOLING  
YESTERDAY 0 1 -1 4  
MONTH TO DATE 8 24 -16 25  
SINCE JUN 1 46 78 -32 120  
SINCE JAN 1 46 78 -32 120    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 400 AM  
LOWEST 24 500 PM  
AVERAGE 60  
   
......................................................  
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 93 1942  
MINIMUM TEMPERATURE (F) 43 30 1995  
 
SUNRISE AND SUNSET  
AUGUST 19 2025........SUNRISE 635 AM MDT SUNSET 831 PM MDT  
AUGUST 20 2025........SUNRISE 636 AM MDT SUNSET 829 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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