709  
CDUS45 KMSO 230737  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT WED SEP 23 2026  
   
...............................  
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 22 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 72 409 PM 86 1987 66 6 61  
MINIMUM 37 652 AM 19 1993 35 2 36  
AVERAGE 55 51 4 49  
 
PRECIPITATION (IN)  
YESTERDAY T 0.61 1951 0.04 -0.04 T  
MONTH TO DATE 0.94 0.82 0.12 0.45  
SINCE JAN 1 9.50 10.59 -1.09 8.73  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 14 -4 16  
MONTH TO DATE 222 238 -16 168  
SINCE SEP 1 222 238 -16 168  
SINCE JUL 1 320 453 -133 319  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 3  
SINCE SEP 1 0 0 0 3  
SINCE JAN 1 146 81 65 60    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 500 AM  
LOWEST 27 500 PM  
AVERAGE 60  
   
......................................................  
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 87 1987  
MINIMUM TEMPERATURE (F) 35 15 1934  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2026.....SUNRISE 718 AM MDT SUNSET 725 PM MDT  
SEPTEMBER 24 2026.....SUNRISE 720 AM MDT SUNSET 723 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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