117  
CDUS45 KMSO 112232  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
432 PM MDT MON SEP 11 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 11 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 76 254 PM 87 1981 71 5 84  
MINIMUM 40 642 AM 24 1989 38 2 31  
AVERAGE 58 54 4 58  
 
PRECIPITATION (IN)  
TODAY 0.00 0.70 1980 0.04 -0.04 0.00  
MONTH TO DATE 1.60 0.43 1.17 T  
SINCE JAN 1 14.77 10.20 4.57 6.70  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE MM  
SINCE SEP 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 7 11 -4 7  
MONTH TO DATE 72 100 -28 51  
SINCE SEP 1 72 100 -28 51  
SINCE JUL 1 210 315 -105 112  
 
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 NW (330)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 1.6  
 
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 89 700 AM  
LOWEST 26 300 PM  
AVERAGE 58  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 87 1981  
MINIMUM TEMPERATURE (F) 38 18 1989  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2023.....SUNRISE 703 AM MDT SUNSET 749 PM MDT  
SEPTEMBER 12 2023.....SUNRISE 704 AM MDT SUNSET 747 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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