105  
CDUS45 KMSO 172332  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
432 PM MST SUN DEC 17 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR DECEMBER 17 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 25 356 PM 50 1904 30 -5 24  
MINIMUM 20 1016 AM -30 1964 17 3 6  
AVERAGE 23 24 -1 15  
 
PRECIPITATION (IN)  
TODAY T 0.56 1917 0.03 -0.03 T  
MONTH TO DATE 0.47 0.58 -0.11 0.73  
SINCE OCT 1 2.17 2.94 -0.77 2.09  
SINCE JAN 1 13.79 13.61 0.18 10.19  
 
SNOWFALL (IN)  
TODAY 0.1  
MONTH TO DATE 5.4  
SINCE DEC 1 5.4  
SINCE JUL 1 8.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 42 41 1 50  
MONTH TO DATE 573 675 -102 723  
SINCE DEC 1 573 675 -102 723  
SINCE JUL 1 2188 2632 -444 2509  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 536 307 229 609    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 3 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 6 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 0.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 PM  
LOWEST 92 800 AM  
AVERAGE 96  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 50 1917  
MINIMUM TEMPERATURE (F) 17 -18 1924  
1964  
 
SUNRISE AND SUNSET  
DECEMBER 17 2023......SUNRISE 816 AM MST SUNSET 448 PM MST  
DECEMBER 18 2023......SUNRISE 817 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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