AFOS product CLIDCA
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CDUS41 KLWX 220527
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
127 AM EDT FRI MAY 22 2015


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 21 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         63   1229 AM  95    1934  77    -14       80       
  MINIMUM         53   1121 PM  41    1907  58     -5       63       
  AVERAGE         58                        67     -9       72      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.33          1.79 1909   0.14   0.19     0.16    
  MONTH TO DATE    1.91                      2.67  -0.76     3.73    
  SINCE MAR 1      9.36                      9.21   0.15    14.46    
  SINCE JAN 1     14.77                     14.64   0.13    21.06    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          MM      MM   0.0    0.0              
  MONTH TO DATE    0.0                       0.0    0.0              
  SINCE JUL 1     18.3                      15.4    2.9              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        7                         2      5        0       
  MONTH TO DATE   16                        66    -50       27       
  SINCE MAR 1    800                       904   -104      950       
  SINCE JUL 1   3924                      4012    -88     4116       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         4     -4        7       
  MONTH TO DATE  161                        54    107       74       
  SINCE MAR 1    181                        80    101       95       
  SINCE JAN 1    181                        80    101       95       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NE (60)       
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NE (40)       
  AVERAGE WIND SPEED     7.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83          1000 AM                                     
 LOWEST     46           200 AM                                     
 AVERAGE    65                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   77        96      1941                    
 MINIMUM TEMPERATURE (F)   58        39      1907                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 22 2015...........SUNRISE   550 AM EDT   SUNSET   820 PM EDT   
MAY 23 2015...........SUNRISE   550 AM EDT   SUNSET   820 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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