AFOS product CLIMSO
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CDUS45 KMSO 200738
CLIMSO


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
1237 AM MST SUN DEC 20 2009


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

...THE MISSOULA MT CLIMATE SUMMARY FOR DECEMBER 19 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         32   1159 PM  56    1936  29      3       24       
                                      1917                          
  MINIMUM         25    230 AM -19    1924  16      9        5       
  AVERAGE         29                        23      6       15      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.20 1944   0.04  -0.04     0.03    
  MONTH TO DATE    0.27                      0.68  -0.41     0.40    
  SINCE OCT 1      1.18                      2.47  -1.29     2.98    
  SINCE JAN 1     11.00                     13.35  -2.35    12.63    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    6.1                                               
  SINCE JAN 1     32.7                                               
  SINCE JUL 1      8.4                                               
  SNOW DEPTH       T                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       36                        42     -6       50       
  MONTH TO DATE  903                       778    125      810       
  SINCE DEC 1    903                       778    125      810       
  SINCE JUL 1   2779                      2793    -14     2525       
                                                                     
 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     N (340)      
  HIGHEST GUST SPEED     7   HIGHEST GUST DIRECTION     N (350)      
  AVERAGE WIND SPEED     0.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     92           100 AM                                     
 AVERAGE    96                                                       

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

                                                                     
THE MISSOULA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        49      1933                    
 MINIMUM TEMPERATURE (F)   15       -20      1998                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2009......SUNRISE   818 AM MST   SUNSET   450 PM MST   
DECEMBER 21 2009......SUNRISE   819 AM MST   SUNSET   450 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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