355  
CDUS45 KMSO 132231  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
431 PM MDT WED SEP 13 2023  
   
...............................
 
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 13 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 78 248 PM 89 1937 74 4 64  
2013  
MINIMUM 50 644 AM 27 1970 43 7 49  
AVERAGE 64 59 5 57  
 
PRECIPITATION (IN)  
TODAY 0.00 0.85 1897 0.03 -0.03 0.05  
MONTH TO DATE 0.59 0.42 0.17 0.05  
SINCE OCT 1 13.39 13.57 -0.18 9.98  
SINCE JAN 1 10.53 10.13 0.40 6.73  
 
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 1 7 -6 8  
MONTH TO DATE 6 69 -63 29  
SINCE SEP 1 6 69 -63 29  
SINCE JUL 1 12 155 -143 32  
 
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 17 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 2.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 500 AM  
LOWEST 29 300 PM  
AVERAGE 52  
   
......................................................
 
 
THE MISSOULA MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 90 1948  
MINIMUM TEMPERATURE (F) 43 20 1970  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2023.....SUNRISE 711 AM MDT SUNSET 752 PM MDT  
SEPTEMBER 14 2023.....SUNRISE 713 AM MDT SUNSET 750 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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