030  
CDUS45 KMSO 250738  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
138 AM MDT MON SEP 25 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 24 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 67 431 PM 85 2001 65 2 70  
2009  
2014  
MINIMUM 32 648 AM 3 1926 34 -2 36  
AVERAGE 50 50 0 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.60 1910 0.03 -0.03 0.00  
MONTH TO DATE 2.34 0.88 1.46 1.28  
SINCE JAN 1 15.51 10.65 4.86 7.98  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 15 0 12  
MONTH TO DATE 229 268 -39 193  
SINCE SEP 1 229 268 -39 193  
SINCE JUL 1 367 483 -116 254  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 3 0 3 16  
SINCE SEP 1 3 0 3 16  
SINCE JAN 1 73 81 -8 177    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 400 AM  
LOWEST 28 200 PM  
AVERAGE 62  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 86 2001  
MINIMUM TEMPERATURE (F) 34 13 1926  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2023.....SUNRISE 721 AM MDT SUNSET 722 PM MDT  
SEPTEMBER 26 2023.....SUNRISE 722 AM MDT SUNSET 720 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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