427  
CDUS45 KMSO 190737  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT THU SEP 19 2024  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 18 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 57 424 PM 91 1981 68 -11 74  
MINIMUM 46 1159 PM 6 1965 36 10 38  
AVERAGE 52 52 0 56  
 
PRECIPITATION (IN)  
YESTERDAY T 0.74 1976 0.04 -0.04 0.00  
MONTH TO DATE 0.80 0.68 0.12 1.61  
SINCE JAN 1 6.89 10.45 -3.56 14.78  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE SEP 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 13 0 9  
MONTH TO DATE 110 183 -73 131  
SINCE SEP 1 110 183 -73 131  
SINCE JUL 1 298 398 -100 269  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 2 0 2 3  
SINCE SEP 1 2 0 2 3  
SINCE JAN 1 127 81 46 73    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1200 AM  
LOWEST 60 400 PM  
AVERAGE 78  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 86 1956  
2009  
MINIMUM TEMPERATURE (F) 36 16 1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2024.....SUNRISE 714 AM MDT SUNSET 732 PM MDT  
SEPTEMBER 20 2024.....SUNRISE 715 AM MDT SUNSET 730 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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