172  
CDUS45 KMSO 042331  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
431 PM MST MON DEC 04 2023  
   
...............................  
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR DECEMBER 4 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 40 253 PM 58 1918 33 7 16  
MINIMUM 28 835 AM -15 1919 20 8 -7  
1972  
AVERAGE 34 26 8 5  
 
PRECIPITATION (IN)  
TODAY 0.01 0.73 1943 0.04 -0.03 0.13  
MONTH TO DATE 0.14 0.15 -0.01 0.29  
SINCE OCT 1 1.84 2.51 -0.67 1.65  
SINCE JAN 1 13.46 13.18 0.28 9.75  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 2.1  
SINCE DEC 1 2.1  
SINCE JUL 1 5.2  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
TODAY 31 39 -8 60  
MONTH TO DATE 138 153 -15 198  
SINCE DEC 1 138 153 -15 198  
SINCE JUL 1 1753 2110 -357 1984  
 
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 13 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 3.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 400 PM  
LOWEST 79 100 PM  
AVERAGE 84  
   
......................................................  
 
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 50 1896  
MINIMUM TEMPERATURE (F) 20 -18 1972  
 
SUNRISE AND SUNSET  
DECEMBER 4 2023......SUNRISE 804 AM MST SUNSET 448 PM MST  
DECEMBER 5 2023......SUNRISE 805 AM MST SUNSET 448 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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