622  
CDUS45 KMSO 110838  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
138 AM MST MON DEC 11 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR DECEMBER 10 2023
 
 
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)  
YESTERDAY  
MAXIMUM 33 835 PM 59 1896 31 2 35  
MINIMUM 29 1239 AM -19 1932 19 10 21  
AVERAGE 31 25 6 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.26 0.48 1919 0.04 0.22 0.00  
MONTH TO DATE 0.45 0.35 0.10 0.34  
SINCE OCT 1 2.15 2.71 -0.56 1.70  
SINCE JAN 1 13.77 13.38 0.39 9.80  
 
SNOWFALL (IN)  
YESTERDAY 2.5  
MONTH TO DATE 4.6  
SINCE DEC 1 4.6  
SINCE JUL 1 7.7  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 40 -6 37  
MONTH TO DATE 307 390 -83 443  
SINCE DEC 1 307 390 -83 443  
SINCE JUL 1 1922 2347 -425 2229  
 
COOLING  
YESTERDAY 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 6 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 7 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 0.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1000 PM  
LOWEST 69 1200 AM  
AVERAGE 83  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 57 1896  
MINIMUM TEMPERATURE (F) 18 -15 1961  
1985  
 
SUNRISE AND SUNSET  
DECEMBER 11 2023......SUNRISE 812 AM MST SUNSET 447 PM MST  
DECEMBER 12 2023......SUNRISE 812 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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