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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