786  
CDUS45 KMSO 170837  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MST SUN DEC 17 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 16 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 43 422 PM 58 1980 30 13 18  
MINIMUM 9 748 AM -36 1964 7 2 -6  
AVERAGE 26 18 8 6  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.48 1927 0.02 -0.02 0.00  
MONTH TO DATE 0.15 0.25 -0.10 0.35  
SINCE JAN 1 17.10 12.53 4.57 9.54  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 39 47 -8 59  
MONTH TO DATE 586 725 -139 785  
SINCE DEC 1 586 725 -139 785  
SINCE JUL 1 2759 3180 -421 3135  
 
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 9 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 1.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 100 AM  
LOWEST 44 400 PM  
AVERAGE 66  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 53 1980  
2013  
MINIMUM TEMPERATURE (F) 7 -38 1964  
 
SUNRISE AND SUNSET  
DECEMBER 17 2023......SUNRISE 806 AM MST SUNSET 446 PM MST  
DECEMBER 18 2023......SUNRISE 807 AM MST SUNSET 446 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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