105  
CDUS45 KMSO 292231  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
431 PM MDT FRI SEP 29 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 29 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 62 258 PM 84 1963 63 -1 69  
MINIMUM 29 556 AM 10 1985 33 -4 46  
AVERAGE 46 48 -2 58  
 
PRECIPITATION (IN)  
TODAY 0.00 0.84 1947 0.03 -0.03 0.13  
MONTH TO DATE 2.34 1.04 1.30 1.41  
SINCE JAN 1 15.51 10.81 4.70 8.11  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE MM  
SINCE SEP 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 19 17 2 7  
MONTH TO DATE 298 350 -52 229  
SINCE SEP 1 298 350 -52 229  
SINCE JUL 1 436 565 -129 290  
 
COOLING  
TODAY 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 9 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 600 AM  
LOWEST 25 300 PM  
AVERAGE 59  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 84 1992  
MINIMUM TEMPERATURE (F) 33 13 1985  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2023.....SUNRISE 726 AM MDT SUNSET 714 PM MDT  
SEPTEMBER 30 2023.....SUNRISE 727 AM MDT SUNSET 712 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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