187  
CDUS45 KMSO 310739  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
139 AM MDT THU AUG 31 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR AUGUST 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 64 138 PM 89 1954 76 -12 89  
2017  
2022  
MINIMUM 48 455 AM 25 1965 41 7 43  
AVERAGE 56 58 -2 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.52 2005 0.04 -0.04 0.00  
MONTH TO DATE 2.22 1.24 0.98 1.08  
SINCE JAN 1 13.17 9.73 3.44 6.70  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 7 2 0  
MONTH TO DATE 72 117 -45 28  
SINCE JUN 1 420 498 -78 340  
SINCE JUL 1 133 208 -75 61  
 
COOLING  
YESTERDAY 0 0 0 1  
MONTH TO DATE 33 25 8 81  
SINCE JUN 1 70 79 -9 159  
SINCE JAN 1 70 79 -9 159    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 100 AM  
LOWEST 32 100 PM  
AVERAGE 63  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 91 1955  
MINIMUM TEMPERATURE (F) 40 27 2006  
 
SUNRISE AND SUNSET  
AUGUST 31 2023........SUNRISE 649 AM MDT SUNSET 810 PM MDT  
SEPTEMBER 1 2023.....SUNRISE 651 AM MDT SUNSET 808 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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