865   
CDUS45 KMSO 190741  
CLIMSO  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE MISSOULA MT  
141 AM MDT MON MAY 19 2025  
   
...............................  
  
   
..THE MISSOULA MT CLIMATE SUMMARY FOR MAY 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         56    525 PM  88    1954  67    -11       62         
                                      2006                             
                                      2009                             
  MINIMUM         35   1142 PM  22    1965  41     -6       32         
  AVERAGE         46                        54     -8       47       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        0.12          0.46 1896   0.06   0.06     0.00       
  MONTH TO DATE    0.90                      0.86   0.04     0.80       
  SINCE OCT 1      6.93                      8.42  -1.49     6.96       
  SINCE JAN 1      5.36                      4.98   0.38     4.76       
  
SNOWFALL (IN)                                                                
  YESTERDAY        0.0                                                  
  MONTH TO DATE    0.0                                                  
  SINCE MAR 1      0.4                                                  
  SINCE JUL 1     39.3                                                  
  SNOW DEPTH       0                                                   
  
DEGREE DAYS                                                             
 HEATING                                                                
  YESTERDAY       19                        11      8       18          
  MONTH TO DATE  202                       250    -48      228          
  SINCE MAR 1   1503                      1731   -228     1590          
  SINCE JUL 1   6512                      7203   -691     6573          
  
 COOLING                                                                
  YESTERDAY        0                         0      0        0          
  MONTH TO DATE    0                         0      0        0          
  SINCE MAR 1      0                         0      0        0          
  SINCE JAN 1      0                         0      0        0           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    NW (320)         
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION    NW (330)         
  AVERAGE WIND SPEED     9.3                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.7                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  LIGHT RAIN                                                            
  FOG                                                                   
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    86           500 AM                                        
 LOWEST     34           600 PM                                        
 AVERAGE    60                                                          
   
......................................................  
  
THE MISSOULA MT CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   67        91      2002                        
 MINIMUM TEMPERATURE (F)   41        27      1974                        
  
SUNRISE AND SUNSET                                                      
MAY 19 2025...........SUNRISE   556 AM MDT   SUNSET   910 PM MDT       
MAY 20 2025...........SUNRISE   555 AM MDT   SUNSET   911 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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