AFOS product CLIMSO
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CDUS45 KMSO 130747
CLIMSO


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
1246 AM MST SUN DEC 13 2009


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

...THE MISSOULA MT CLIMATE SUMMARY FOR DECEMBER 12 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         20   1159 PM  55    1924  30    -10       28       
  MINIMUM          2    237 AM -16    1932  16    -14       16       
  AVERAGE         11                        23    -12       22      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.08          0.43 1995   0.04   0.04     0.05    
  MONTH TO DATE    0.11                      0.40  -0.29     0.20    
  SINCE OCT 1      1.02                      2.19  -1.17     2.78    
  SINCE JAN 1     10.84                     13.07  -2.23    12.43    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        1.6                                               
  MONTH TO DATE    1.7                                               
  SINCE JAN 1     28.3                                               
  SINCE JUL 1      4.0                                               
  SNOW DEPTH       2                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       54                        42     12       43       
  MONTH TO DATE  643                       484    159      388       
  SINCE DEC 1    643                       484    159      388       
  SINCE JUL 1   2519                      2499     20     2103       
                                                                     
 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     6   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     0.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT SNOW                                                         
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           500 PM                                     
 LOWEST     62           300 PM                                     
 AVERAGE    77                                                       

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

                                                                     
THE MISSOULA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   30        56      1924                    
 MINIMUM TEMPERATURE (F)   16       -25      1919                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 13 2009......SUNRISE   814 AM MST   SUNSET   448 PM MST   
DECEMBER 14 2009......SUNRISE   814 AM MST   SUNSET   448 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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