AFOS product CLIMSO
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CDUS45 KMSO 180813
CLIMSO


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
113 AM MST SAT DEC 18 2010


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

...THE MISSOULA MT CLIMATE SUMMARY FOR DECEMBER 17 2010...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1893 TO 2010


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         20    311 PM  50    1904  30    -10       37       
  MINIMUM          3    545 AM -30    1964  16    -13       29       
  AVERAGE         12                        23    -11       33      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.56 1917   0.04  -0.04      T      
  MONTH TO DATE    0.72                      0.60   0.12     0.27    
  SINCE OCT 1      3.30                      2.39   0.91     1.18    
  SINCE JAN 1     15.60                     13.27   2.33    11.00    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    5.0                                               
  SINCE JAN 1     23.8                                               
  SINCE JUL 1     15.0                                               
  SNOW DEPTH       4                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       53                        42     11       32       
  MONTH TO DATE  659                       694    -35      833       
  SINCE DEC 1    659                       694    -35      833       
  SINCE JUL 1   2559                      2709   -150     2709       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    244                       256    -12      353       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED     5   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED     6   HIGHEST GUST DIRECTION     N (350)      
  AVERAGE WIND SPEED     1.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     80           100 PM                                     
 AVERAGE    90                                                       

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

                                                                     
THE MISSOULA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        50      1917                    
 MINIMUM TEMPERATURE (F)   16       -18      1964                    
                                             1924                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 18 2010......SUNRISE   817 AM MST   SUNSET   449 PM MST   
DECEMBER 19 2010......SUNRISE   818 AM MST   SUNSET   449 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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