395  
CDUS45 KMSO 140840  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
140 AM MST THU DEC 14 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 13 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 31 350 PM 60 1924 30 1 23  
MINIMUM 9 1018 PM -25 1919 7 2 3  
AVERAGE 20 19 1 13  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.30 1901 0.01 -0.01 T  
MONTH TO DATE 0.15 0.20 -0.05 0.27  
SINCE JAN 1 17.10 12.48 4.62 9.46  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 45 46 -1 52  
MONTH TO DATE 464 585 -121 626  
SINCE DEC 1 464 585 -121 626  
SINCE JUL 1 2637 3040 -403 2976  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 73 83 -10 177    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 1.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 95 500 AM  
LOWEST 63 400 PM  
AVERAGE 79  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 55 1924  
MINIMUM TEMPERATURE (F) 7 -26 1967  
 
SUNRISE AND SUNSET  
DECEMBER 14 2023......SUNRISE 804 AM MST SUNSET 445 PM MST  
DECEMBER 15 2023......SUNRISE 805 AM MST SUNSET 445 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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