253  
CDUS45 KMSO 100840  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
140 AM MST SUN DEC 10 2023  
   
...............................  
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR DECEMBER 9 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 35 437 PM 56 2015 32 3 33  
MINIMUM 27 912 AM -22 1972 19 8 17  
AVERAGE 31 25 6 25  
 
PRECIPITATION (IN)  
YESTERDAY T 0.66 1939 0.03 -0.03 T  
MONTH TO DATE 0.19 0.31 -0.12 0.34  
SINCE OCT 1 1.89 2.67 -0.78 1.70  
SINCE JAN 1 13.51 13.34 0.17 9.80  
 
SNOWFALL (IN)  
YESTERDAY T  
MONTH TO DATE 2.1  
SINCE DEC 1 2.1  
SINCE JUL 1 5.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 40 -6 40  
MONTH TO DATE 273 350 -77 406  
SINCE DEC 1 273 350 -77 406  
SINCE JUL 1 1888 2307 -419 2192  
 
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 13 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 3.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 900 PM  
LOWEST 52 300 PM  
AVERAGE 62  
   
......................................................  
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 59 1896  
MINIMUM TEMPERATURE (F) 19 -19 1932  
 
SUNRISE AND SUNSET  
DECEMBER 10 2023......SUNRISE 811 AM MST SUNSET 447 PM MST  
DECEMBER 11 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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