642   
CDUS45 KMSO 230738  
CLIMSO  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE MISSOULA MT  
138 AM MDT TUE SEP 23 2025  
   
...............................  
  
   
..THE MISSOULA MT CLIMATE SUMMARY FOR SEPTEMBER 22 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         70    420 PM  91    1938  70      0       71         
  MINIMUM         45   1159 PM  25    1893  41      4       37         
                                      1895                             
                                      1993                             
  AVERAGE         58                        55      3       54       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        T             1.11 2022   0.04  -0.04     0.00       
  MONTH TO DATE    0.19                      0.72  -0.53     1.05       
  SINCE OCT 1     10.53                     13.87  -3.34    11.31       
  SINCE JAN 1      8.96                     10.43  -1.47     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        7                        10     -3       11          
  MONTH TO DATE   35                       145   -110       83          
  SINCE SEP 1     35                       145   -110       83          
  SINCE JUL 1     69                       231   -162      115          
  
 COOLING                                                                
  YESTERDAY        0                         0      0        0          
  MONTH TO DATE   54                        11     43       42          
  SINCE SEP 1     54                        11     43       42          
  SINCE JAN 1    441                       303    138      470           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (10)          
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     N (20)          
  AVERAGE WIND SPEED     4.0                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.2                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                    
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    74           400 AM                                        
 LOWEST     28           200 PM                                        
 AVERAGE    51                                                          
   
......................................................  
  
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   69        91      1938                        
 MINIMUM TEMPERATURE (F)   40        20      2000                        
  
SUNRISE AND SUNSET                                                      
SEPTEMBER 23 2025.....SUNRISE   725 AM MDT   SUNSET   731 PM MDT       
SEPTEMBER 24 2025.....SUNRISE   726 AM MDT   SUNSET   729 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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