215  
CDUS45 KMSO 302231  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
431 PM MDT SAT SEP 30 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 30 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 53 1218 AM 88 1912 66 -13 62  
MINIMUM 48 701 AM 20 1985 38 10 43  
AVERAGE 51 52 -1 53  
 
PRECIPITATION (IN)  
TODAY 0.11 0.59 2000 0.03 0.08 0.01  
MONTH TO DATE 1.27 0.96 0.31 1.42  
SINCE OCT 1 14.07 14.11 -0.04 11.35  
SINCE JAN 1 11.21 10.67 0.54 8.10  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 14 13 1 12  
MONTH TO DATE 148 239 -91 117  
SINCE SEP 1 148 239 -91 117  
SINCE JUL 1 154 325 -171 120  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 11 15 -4 49  
SINCE SEP 1 11 15 -4 49  
SINCE JAN 1 536 307 229 609    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 300 PM  
LOWEST 59 1200 AM  
AVERAGE 73  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 83 1992  
2010  
MINIMUM TEMPERATURE (F) 37 21 1971  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2023.....SUNRISE 734 AM MDT SUNSET 718 PM MDT  
OCTOBER 1 2023.......SUNRISE 735 AM MDT SUNSET 716 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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