275  
CDUS45 KMSO 230847  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
147 AM MST SAT DEC 23 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 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 46 335 PM 53 1933 30 16 -24  
MINIMUM 14 828 AM -44 1990 6 8 -40  
AVERAGE 30 18 12 -32  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.40 1915 0.02 -0.02 T  
MONTH TO DATE 0.15 0.34 -0.19 0.39  
SINCE JAN 1 17.10 12.62 4.48 9.58  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 47 -12 97  
MONTH TO DATE 790 1007 -217 1162  
SINCE DEC 1 790 1007 -217 1162  
SINCE JUL 1 2963 3462 -499 3512  
 
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 13 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 3.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 200 AM  
LOWEST 47 300 PM  
AVERAGE 68  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 50 1950  
MINIMUM TEMPERATURE (F) 6 -52 1983  
 
SUNRISE AND SUNSET  
DECEMBER 23 2023......SUNRISE 810 AM MST SUNSET 449 PM MST  
DECEMBER 24 2023......SUNRISE 810 AM MST SUNSET 449 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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