AFOS product CLIMSO
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CDUS45 KMSO 120803
CLIMSO


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
102 AM MST SAT DEC 12 2009


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

...THE MISSOULA MT CLIMATE SUMMARY FOR DECEMBER 11 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    333 PM  57    1896  31    -11       44       
  MINIMUM          2    538 AM -15    1985  17    -15       23       
                                      1961                          
  AVERAGE         11                        24    -13       34      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.93 1893   0.04  -0.04     0.00    
  MONTH TO DATE    0.03                      0.36  -0.33     0.15    
  SINCE OCT 1      0.94                      2.15  -1.21     2.73    
  SINCE JAN 1     10.76                     13.03  -2.27    12.38    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.1                                               
  SINCE JAN 1     26.7                                               
  SINCE JUL 1      2.4                                               
  SNOW DEPTH       T                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       54                        41     13       31       
  MONTH TO DATE  589                       442    147      345       
  SINCE DEC 1    589                       442    147      345       
  SINCE JUL 1   2465                      2457      8     2060       
                                                                     
 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    17   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED   104   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     0.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           600 AM                                     
 LOWEST     56           100 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE MISSOULA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   30        55      1924                    
 MINIMUM TEMPERATURE (F)   16       -16      1932                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 12 2009......SUNRISE   813 AM MST   SUNSET   448 PM MST   
DECEMBER 13 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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