382  
CDUS45 KMSO 182330  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
430 PM MST MON DEC 18 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 18 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 38 348 PM 55 1979 30 8 19  
MINIMUM 12 551 AM -32 1924 6 6 -12  
AVERAGE 25 18 7 4  
 
PRECIPITATION (IN)  
TODAY 0.00 0.24 1925 0.02 -0.02 T  
MONTH TO DATE 0.15 0.28 -0.13 0.35  
SINCE JAN 1 17.10 12.56 4.54 9.54  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE MM  
SINCE DEC 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 40 47 -7 61  
MONTH TO DATE 662 819 -157 902  
SINCE DEC 1 662 819 -157 902  
SINCE JUL 1 2835 3274 -439 3252  
 
COOLING  
TODAY 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 7 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 7 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 1.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 300 AM  
LOWEST 48 100 PM  
AVERAGE 64  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 52 2004  
MINIMUM TEMPERATURE (F) 6 -27 1945  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 807 AM MST SUNSET 446 PM MST  
DECEMBER 19 2023......SUNRISE 808 AM MST SUNSET 447 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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