191  
CDUS45 KMSO 310838  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
138 AM MST SUN DEC 31 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 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 42 301 PM 55 1917 31 11 37  
MINIMUM 7 616 AM -42 1978 7 0 19  
AVERAGE 25 19 6 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.22 2004 0.01 -0.01 T  
MONTH TO DATE 0.31 0.46 -0.15 0.46  
SINCE JAN 1 17.26 12.74 4.52 9.65  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE DEC 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 40 46 -6 37  
MONTH TO DATE 1184 1381 -197 1452  
SINCE DEC 1 1184 1381 -197 1452  
SINCE JUL 1 3357 3836 -479 3802  
 
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 S (160)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 1.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 900 AM  
LOWEST 49 300 PM  
AVERAGE 71  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 53 1917  
MINIMUM TEMPERATURE (F) 7 -39 1978  
 
SUNRISE AND SUNSET  
DECEMBER 31 2023......SUNRISE 812 AM MST SUNSET 454 PM MST  
JANUARY 1 2024.......SUNRISE 812 AM MST SUNSET 455 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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