AFOS product CLIMSO
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CDUS45 KMSO 220739
CLIMSO


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
1238 AM MST TUE DEC 22 2009


................................... 

...THE MISSOULA MT CLIMATE SUMMARY FOR DECEMBER 21 2009...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1893 TO 2009


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         40    636 PM  56    1933  29     11       13       
  MINIMUM         33   1154 PM -25    1990  15     18       -3       
  AVERAGE         37                        22     15        5      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.05          0.63 1964   0.04   0.01     0.19    
  MONTH TO DATE    0.57                      0.76  -0.19     0.59    
  SINCE OCT 1      1.48                      2.55  -1.07     3.17    
  SINCE JAN 1     11.30                     13.43  -2.13    12.82    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    6.1                                               
  SINCE JAN 1     32.7                                               
  SINCE JUL 1      8.4                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       28                        43    -15       60       
  MONTH TO DATE  962                       864     98      933       
  SINCE DEC 1    962                       864     98      933       
  SINCE JUL 1   2838                      2879    -41     2648       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    353                       256     97      348       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (110)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     E (110)      
  AVERAGE WIND SPEED     2.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HEAVY RAIN                                                         
  LIGHT RAIN                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           400 AM                                     
 LOWEST     85           800 PM                                     
 AVERAGE    93                                                       

..........................................................

                                                                     
THE MISSOULA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        54      1936                    
 MINIMUM TEMPERATURE (F)   15       -28      1990                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 22 2009......SUNRISE   819 AM MST   SUNSET   451 PM MST   
DECEMBER 23 2009......SUNRISE   820 AM MST   SUNSET   451 PM MST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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