171  
CDUS45 KMSO 300739  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
139 AM MDT THU JUL 30 2026  
   
...............................  
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR JULY 29 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 88 440 PM 97 1934 84 4 82  
MINIMUM 47 552 AM 31 1959 47 0 53  
AVERAGE 68 65 3 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.36 1975 0.04 -0.03 0.05  
MONTH TO DATE 0.83 1.13 -0.30 0.52  
SINCE JAN 1 7.68 8.42 -0.74 6.71  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 28 90 -62 57  
SINCE JUN 1 343 380 -37 310  
SINCE JUL 1 28 90 -62 57  
 
COOLING  
YESTERDAY 3 2 1 3  
MONTH TO DATE 107 46 61 36  
SINCE JUN 1 107 52 55 36  
SINCE JAN 1 107 52 55 36    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 600 AM  
LOWEST 13 500 PM  
AVERAGE 41  
   
......................................................  
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 98 2000  
MINIMUM TEMPERATURE (F) 47 37 1995  
 
SUNRISE AND SUNSET  
JULY 30 2026..........SUNRISE 610 AM MDT SUNSET 902 PM MDT  
JULY 31 2026..........SUNRISE 612 AM MDT SUNSET 900 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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