885  
CDUS45 KMSO 090740  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
140 AM MDT TUE SEP 09 2025  
   
...............................  
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 8 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82 346 PM 92 1967 76 6 84  
MINIMUM 52 630 AM 30 1960 45 7 48  
AVERAGE 67 60 7 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.05 1986 0.03 -0.02 0.00  
MONTH TO DATE 0.01 0.26 -0.25 T  
SINCE OCT 1 10.35 13.41 -3.06 10.26  
SINCE JAN 1 8.78 9.97 -1.19 8.06  
 
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 0 6 -6 0  
MONTH TO DATE 0 37 -37 0  
SINCE SEP 1 0 37 -37 0  
SINCE JUL 1 34 123 -89 32  
 
COOLING  
YESTERDAY 2 1 1 1  
MONTH TO DATE 47 8 39 34  
SINCE SEP 1 47 8 39 34  
SINCE JAN 1 434 300 134 462    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 300 AM  
LOWEST 28 400 PM  
AVERAGE 59  
   
......................................................  
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 92 1981  
MINIMUM TEMPERATURE (F) 44 28 1962  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2025.....SUNRISE 707 AM MDT SUNSET 759 PM MDT  
SEPTEMBER 10 2025.....SUNRISE 708 AM MDT SUNSET 757 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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