873  
CDUS45 KMSO 010739  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
139 AM MDT SUN OCT 01 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 30 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 60 352 PM 84 1992 62 -2 57  
MINIMUM 37 1237 AM 13 1985 33 4 45  
AVERAGE 49 47 2 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 0.51 2009 0.03 0.03 0.05  
MONTH TO DATE 2.40 1.07 1.33 1.46  
SINCE JAN 1 15.57 10.84 4.73 8.16  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 18 -2 14  
MONTH TO DATE 314 368 -54 243  
SINCE SEP 1 314 368 -54 243  
SINCE JUL 1 452 583 -131 304  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 3 2 1 16  
SINCE SEP 1 3 2 1 16  
SINCE JAN 1 73 83 -10 177    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 600 AM  
LOWEST 49 400 PM  
AVERAGE 71  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 83 1992  
MINIMUM TEMPERATURE (F) 32 12 1950  
 
SUNRISE AND SUNSET  
OCTOBER 1 2023.......SUNRISE 728 AM MDT SUNSET 710 PM MDT  
OCTOBER 2 2023.......SUNRISE 729 AM MDT SUNSET 708 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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