695  
CDUS45 KMSO 230737  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT SAT SEP 23 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 22 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 50 343 PM 86 1987 66 -16 55  
MINIMUM 41 615 AM 19 1993 35 6 40  
AVERAGE 46 51 -5 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.23 0.61 1951 0.04 0.19 0.26  
MONTH TO DATE 2.34 0.82 1.52 1.28  
SINCE JAN 1 15.51 10.59 4.92 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 19 14 5 17  
MONTH TO DATE 201 238 -37 170  
SINCE SEP 1 201 238 -37 170  
SINCE JUL 1 339 453 -114 231  
 
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 10 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1000 AM  
LOWEST 77 100 PM  
AVERAGE 87  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 87 1987  
MINIMUM TEMPERATURE (F) 35 15 1934  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2023.....SUNRISE 718 AM MDT SUNSET 726 PM MDT  
SEPTEMBER 24 2023.....SUNRISE 719 AM MDT SUNSET 724 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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