354  
CDUS45 KMSO 222231  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
431 PM MDT FRI SEP 22 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 22 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 60 259 PM 91 1938 70 -10 60  
MINIMUM 48 810 AM 25 1893 41 7 47  
1895  
1993  
AVERAGE 54 55 -1 54  
 
PRECIPITATION (IN)  
TODAY 0.49 1.11 2022 0.04 0.45 1.11  
MONTH TO DATE 1.12 0.72 0.40 1.35  
SINCE OCT 1 13.92 13.87 0.05 11.28  
SINCE JAN 1 11.06 10.43 0.63 8.03  
 
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 11 10 1 11  
MONTH TO DATE 60 145 -85 79  
SINCE SEP 1 60 145 -85 79  
SINCE JUL 1 66 231 -165 82  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 11 11 0 49  
SINCE SEP 1 11 11 0 49  
SINCE JAN 1 536 303 233 609    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 64 300 PM  
AVERAGE 82  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 91 1938  
MINIMUM TEMPERATURE (F) 40 20 2000  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2023.....SUNRISE 723 AM MDT SUNSET 734 PM MDT  
SEPTEMBER 23 2023.....SUNRISE 724 AM MDT SUNSET 732 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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