861  
CDUS45 KMSO 090847  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
147 AM MST SAT DEC 09 2023  
   
...............................  
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR DECEMBER 8 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 39 259 PM 60 1938 32 7 24  
MINIMUM 30 720 AM -19 1972 19 11 4  
AVERAGE 35 25 10 14  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 0.50 1901 0.03 0.03 0.00  
MONTH TO DATE 0.19 0.28 -0.09 0.34  
SINCE OCT 1 1.89 2.64 -0.75 1.70  
SINCE JAN 1 13.51 13.31 0.20 9.80  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE 2.1  
SINCE DEC 1 2.1  
SINCE JUL 1 5.2  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 40 -10 51  
MONTH TO DATE 239 310 -71 366  
SINCE DEC 1 239 310 -71 366  
SINCE JUL 1 1854 2267 -413 2152  
 
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 18 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 2.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 200 AM  
LOWEST 58 1000 PM  
AVERAGE 75  
   
......................................................  
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 56 2015  
MINIMUM TEMPERATURE (F) 19 -22 1972  
 
SUNRISE AND SUNSET  
DECEMBER 9 2023......SUNRISE 810 AM MST SUNSET 447 PM MST  
DECEMBER 10 2023......SUNRISE 811 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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