011  
CDUS45 KMSO 212330  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
430 PM MST THU DEC 21 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR DECEMBER 21 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 44 357 PM 58 2019 30 14 21  
MINIMUM 30 247 AM -25 1990 17 13 -9  
AVERAGE 37 23 14 6  
 
PRECIPITATION (IN)  
TODAY 0.00 0.63 1964 0.03 -0.03 0.14  
MONTH TO DATE 0.47 0.72 -0.25 1.01  
SINCE OCT 1 2.17 3.08 -0.91 2.37  
SINCE JAN 1 13.79 13.75 0.04 10.47  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 5.4  
SINCE DEC 1 5.4  
SINCE JUL 1 8.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 28 42 -14 59  
MONTH TO DATE 707 842 -135 904  
SINCE DEC 1 707 842 -135 904  
SINCE JUL 1 2322 2799 -477 2690  
 
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 6 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 7 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 0.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1200 AM  
LOWEST 70 400 PM  
AVERAGE 83  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 54 1936  
MINIMUM TEMPERATURE (F) 17 -28 1990  
 
SUNRISE AND SUNSET  
DECEMBER 21 2023......SUNRISE 819 AM MST SUNSET 450 PM MST  
DECEMBER 22 2023......SUNRISE 819 AM MST SUNSET 451 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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