141  
CDUS45 KMSO 160737  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT MON OCT 16 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR OCTOBER 15 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 69 437 PM 81 1991 56 13 71  
MINIMUM 44 435 AM 17 1969 33 11 36  
AVERAGE 57 44 13 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.44 1979 0.03 -0.03 0.00  
MONTH TO DATE 0.42 0.51 -0.09 0.01  
SINCE OCT 1 0.42 0.51 -0.09 0.01  
SINCE JAN 1 12.04 11.18 0.86 8.11  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 21 -13 11  
MONTH TO DATE 163 259 -96 131  
SINCE SEP 1 312 499 -187 248  
SINCE JUL 1 318 585 -267 251  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 11 15 -4 49  
SINCE JAN 1 536 307 229 609    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 2.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 400 AM  
LOWEST 38 500 PM  
AVERAGE 64  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 75 1991  
MINIMUM TEMPERATURE (F) 32 20 1930  
1946  
1987  
 
SUNRISE AND SUNSET  
OCTOBER 16 2023.......SUNRISE 756 AM MDT SUNSET 647 PM MDT  
OCTOBER 17 2023.......SUNRISE 757 AM MDT SUNSET 646 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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