AFOS product CLIDCA
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CDUS41 KLWX 310521
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
121 AM EDT THU MAY 31 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 30 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2012


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         83    352 PM  98    1991  79      4       96       
  MINIMUM         69    732 AM  44    1884  61      8       71       
  AVERAGE         76                        70      6       84      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.68 1948   0.13  -0.13     0.00    
  MONTH TO DATE    3.28                      3.86  -0.58     1.70    
  SINCE MAR 1      6.22                     10.40  -4.18     9.30    
  SINCE JAN 1     10.74                     15.83  -5.09    13.67    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          MM      MM   0.0    0.0              
  MONTH TO DATE    0.0                       0.0    0.0              
  SINCE JUL 1      2.0                      14.5  -12.5              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    4                        78    -74       48       
  SINCE MAR 1    496                       916   -420      867       
  SINCE JUL 1   3045                      4024   -979     3985       
                                                                     
 COOLING                                                             
  YESTERDAY       11                         6      5       19       
  MONTH TO DATE  197                       101     96      135       
  SINCE MAR 1    247                       127    120      179       
  SINCE JAN 1    247                       127    120      179       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (350)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     N (350)      
  AVERAGE WIND SPEED     5.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           100 AM                                     
 LOWEST     42           100 PM                                     
 AVERAGE    68                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   80        99      1991                    
 MINIMUM TEMPERATURE (F)   61        44      1938                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 31 2012...........SUNRISE   545 AM EDT   SUNSET   827 PM EDT   
JUNE  1 2012..........SUNRISE   545 AM EDT   SUNSET   828 PM EDT   

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




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