000 
CDUS45 KMSO 210738
CLIMSO


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
1238 AM MST THU DEC 21 2006

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

...THE MISSOULA CLIMATE SUMMARY FOR DECEMBER 20 2006...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1893 TO 2006

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         29    309 PM  49    1933  29      0       24       
  MINIMUM          9    823 AM -20    1998  15     -6       15       
  AVERAGE         19                        22     -3       20      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.68 1917   0.04  -0.04     0.00    
  MONTH TO DATE    0.46                      0.72  -0.26     0.16    
  SINCE OCT 1      4.11                      2.51   1.60     3.27    
  SINCE JAN 1     16.40                     13.39   3.01    14.61    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    1.6                                               
  SINCE JAN 1     19.4                                               
  SINCE JUL 1      9.1                                               
  SNOW DEPTH       T                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       46                        43      3       45       
  MONTH TO DATE  795                       821    -26     1059       
  SINCE DEC 1    795                       821    -26     1059       
  SINCE JUL 1   2565                      2836   -271     2936       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    463                       256    207      311       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED     6   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED     6   HIGHEST GUST DIRECTION     N (340)      
  AVERAGE WIND SPEED     0.6                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    84           200 AM                                     
 LOWEST     57           200 PM                                     
 AVERAGE    71                                                       
..........................................................
                                                                     
THE MISSOULA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        56      1933                    
 MINIMUM TEMPERATURE (F)   15       -25      1990                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 21 2006......SUNRISE   819 AM MST   SUNSET   450 PM MST   
DECEMBER 22 2006......SUNRISE   819 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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