390  
CDUS45 KMSO 192230  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
430 PM MDT SAT SEP 19 2026  
   
...............................  
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 19 2026  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 56 109 PM 86 1956 68 -12 76  
2009  
MINIMUM 50 708 AM 16 1983 36 14 39  
AVERAGE 53 52 1 58  
 
PRECIPITATION (IN)  
TODAY 0.38 0.68 1968 0.03 0.35 0.00  
MONTH TO DATE 0.94 0.71 0.23 0.37  
SINCE JAN 1 9.50 10.48 -0.98 8.65  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE MM  
SINCE SEP 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 12 13 -1 7  
MONTH TO DATE 192 196 -4 137  
SINCE SEP 1 192 196 -4 137  
SINCE JUL 1 290 411 -121 288  
 
COOLING  
TODAY 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 17 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 100 AM  
LOWEST 66 300 PM  
AVERAGE 81  
   
......................................................  
 
THE BUTTE MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 83 1918  
MINIMUM TEMPERATURE (F) 35 8 1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2026.....SUNRISE 713 AM MDT SUNSET 733 PM MDT  
SEPTEMBER 20 2026.....SUNRISE 715 AM MDT SUNSET 731 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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