AFOS product CLIDCA
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CDUS41 KLWX 280522
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
122 AM EDT MON MAY 28 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 27 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         87    316 PM  95    1965  78      9       86       
                                      1914                          
                                      1880                          
  MINIMUM         70   1126 PM  42    1915  60     10       68       
  AVERAGE         79                        69     10       77      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.05          1.50 1885   0.13  -0.08     0.06    
  MONTH TO DATE    2.77                      3.47  -0.70     1.70    
  SINCE MAR 1      5.71                     10.01  -4.30     9.30    
  SINCE JAN 1     10.23                     15.44  -5.21    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                        75    -71       48       
  SINCE MAR 1    496                       913   -417      867       
  SINCE JUL 1   3045                      4021   -976     3985       
                                                                     
 COOLING                                                             
  YESTERDAY       14                         5      9       12       
  MONTH TO DATE  155                        83     72       95       
  SINCE MAR 1    205                       109     96      139       
  SINCE JAN 1    205                       109     96      139       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     N (340)      
  AVERAGE WIND SPEED     8.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    90           600 AM                                     
 LOWEST     48           400 PM                                     
 AVERAGE    69                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        97      1941                    
 MINIMUM TEMPERATURE (F)   60        42      1961                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 28 2012...........SUNRISE   546 AM EDT   SUNSET   825 PM EDT   
MAY 29 2012...........SUNRISE   546 AM EDT   SUNSET   826 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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