127  
CDUS45 KMSO 200737  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT WED AUG 20 2025  
   
...............................  
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR AUGUST 19 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 95 515 PM 101 2022 84 11 93  
MINIMUM 54 627 AM 25 1901 50 4 52  
AVERAGE 75 67 8 73  
 
PRECIPITATION (IN)  
YESTERDAY T 0.42 1906 0.02 -0.02 0.04  
MONTH TO DATE 0.62 0.48 0.14 0.48  
SINCE OCT 1 10.04 12.80 -2.76 10.19  
SINCE JAN 1 8.47 9.36 -0.89 7.99  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE JUN 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 13 18 -5 0  
SINCE JUN 1 135 242 -107 157  
SINCE JUL 1 33 57 -24 3  
 
COOLING  
YESTERDAY 10 3 7 8  
MONTH TO DATE 81 90 -9 121  
SINCE JUN 1 310 264 46 402  
SINCE JAN 1 321 267 54 402    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 600 AM  
LOWEST 19 500 PM  
AVERAGE 48  
   
......................................................  
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 99 1940  
MINIMUM TEMPERATURE (F) 49 36 1916  
 
SUNRISE AND SUNSET  
AUGUST 20 2025........SUNRISE 641 AM MDT SUNSET 837 PM MDT  
AUGUST 21 2025........SUNRISE 642 AM MDT SUNSET 836 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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