041  
CDUS45 KMSO 190737  
CLIMSO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT TUE AUG 19 2025  
   
...............................  
 
   
..THE MISSOULA MT CLIMATE SUMMARY FOR AUGUST 18 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 89 545 PM 100 2008 84 5 96  
2022  
MINIMUM 49 533 AM 39 1954 50 -1 54  
1987  
AVERAGE 69 67 2 75  
 
PRECIPITATION (IN)  
YESTERDAY T 0.66 1926 0.03 -0.03 0.09  
MONTH TO DATE 0.62 0.46 0.16 0.44  
SINCE OCT 1 10.04 12.78 -2.74 10.15  
SINCE JAN 1 8.47 9.34 -0.87 7.95  
 
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 1 -1 0  
MONTH TO DATE 13 16 -3 0  
SINCE JUN 1 135 240 -105 157  
SINCE JUL 1 33 55 -22 3  
 
COOLING  
YESTERDAY 4 3 1 10  
MONTH TO DATE 71 87 -16 113  
SINCE JUN 1 300 261 39 394  
SINCE JAN 1 311 264 47 394    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 600 AM  
LOWEST 23 400 PM  
AVERAGE 49  
   
......................................................  
 
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 101 2022  
MINIMUM TEMPERATURE (F) 50 25 1901  
 
SUNRISE AND SUNSET  
AUGUST 19 2025........SUNRISE 639 AM MDT SUNSET 839 PM MDT  
AUGUST 20 2025........SUNRISE 641 AM MDT SUNSET 837 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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