000 
CDUS45 KMSO 210739
CLIMSO


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
138 AM MDT THU MAY 21 2009


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

...THE MISSOULA MT CLIMATE SUMMARY FOR MAY 20 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         59    409 PM  88    1958  67     -8       79       
  MINIMUM         35   1148 PM  28    1989  40     -5       47       
  AVERAGE         47                        54     -7       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.52 1901   0.07  -0.07     0.32    
  MONTH TO DATE    0.66                      1.20  -0.54     0.50    
  SINCE OCT 1      7.93                      8.02  -0.09     5.30    
  SINCE JAN 1      3.92                      5.08  -1.16     3.13    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE JAN 1     24.3                                               
  SINCE JUL 1     44.9                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       18                        11      7        2       
  MONTH TO DATE  312                       268     44      249       
  SINCE MAR 1   1906                      1716    190     1843       
  SINCE JUL 1   7182                      7328   -146     7045       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    2                         0      2        8       
  SINCE MAR 1      2                         0      2        8       
  SINCE JAN 1      2                         0      2        8       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     8.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    79           200 AM                                     
 LOWEST     21           400 PM                                     
 AVERAGE    50                                                       

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

                                                                     
THE MISSOULA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        90      1928                    
                                             1919                    
 MINIMUM TEMPERATURE (F)   41        28      1960                    
                                             1953                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 21 2009...........SUNRISE   554 AM MDT   SUNSET   912 PM MDT   
MAY 22 2009...........SUNRISE   553 AM MDT   SUNSET   913 PM MDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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