264  
CDUS45 KMSO 150843  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
143 AM MST FRI DEC 15 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR DECEMBER 14 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 27 847 PM 60 1924 31 -4 30  
MINIMUM 17 1235 AM -23 1919 18 -1 24  
AVERAGE 22 24 -2 27  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.40 1901 0.04 -0.04 0.14  
MONTH TO DATE 0.47 0.48 -0.01 0.73  
SINCE OCT 1 2.17 2.84 -0.67 2.09  
SINCE JAN 1 13.79 13.51 0.28 10.19  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 5.3  
SINCE DEC 1 5.3  
SINCE JUL 1 8.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 41 2 38  
MONTH TO DATE 450 552 -102 590  
SINCE DEC 1 450 552 -102 590  
SINCE JUL 1 2065 2509 -444 2376  
 
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 8 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 1.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 500 AM  
LOWEST 77 1200 AM  
AVERAGE 83  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 56 1924  
MINIMUM TEMPERATURE (F) 18 -12 1972  
 
SUNRISE AND SUNSET  
DECEMBER 15 2023......SUNRISE 815 AM MST SUNSET 448 PM MST  
DECEMBER 16 2023......SUNRISE 816 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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