635   
CDUS45 KMSO 190737  
CLIMSO  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT FRI SEP 19 2025  
   
...............................  
  
   
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 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         84    420 PM  92    1938  72     12       68         
  MINIMUM         42    654 AM  24    1971  42      0       54         
  AVERAGE         63                        57      6       61       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        0.00          1.28 1908   0.03  -0.03     0.04       
  MONTH TO DATE    0.19                      0.58  -0.39     1.05       
  SINCE OCT 1     10.53                     13.73  -3.20    11.31       
  SINCE JAN 1      8.96                     10.29  -1.33     9.11       
  
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        2                         8     -6        4          
  MONTH TO DATE   25                       107    -82       49          
  SINCE SEP 1     25                       107    -82       49          
  SINCE JUL 1     59                       193   -134       81          
  
 COOLING                                                                
  YESTERDAY        0                         0      0        0          
  MONTH TO DATE   53                        11     42       42          
  SINCE SEP 1     53                        11     42       42          
  SINCE JAN 1    440                       303    137      470           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (20)          
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     N (10)          
  AVERAGE WIND SPEED     2.4                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.0                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                    
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    92           700 AM                                        
 LOWEST     19           400 PM                                        
 AVERAGE    56                                                          
   
......................................................  
  
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   71        89      1938                        
 MINIMUM TEMPERATURE (F)   42        23      1964                        
  
SUNRISE AND SUNSET                                                      
SEPTEMBER 19 2025.....SUNRISE   720 AM MDT   SUNSET   739 PM MDT       
SEPTEMBER 20 2025.....SUNRISE   721 AM MDT   SUNSET   737 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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