AFOS product CLIDCA
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
986 
CDUS41 KLWX 200527
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
126 AM EDT WED MAY 20 2015


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 19 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         90    448 PM  96    1997  76     14       74       
                                      1911                          
  MINIMUM         72    550 AM  43    1976  57     15       49       
  AVERAGE         81                        67     14       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          3.15 1900   0.13  -0.13     0.00    
  MONTH TO DATE    1.58                      2.40  -0.82     3.57    
  SINCE MAR 1      9.03                      8.94   0.09    14.30    
  SINCE JAN 1     14.44                     14.37   0.07    20.90    
                                                                     
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        0                         2     -2        3       
  MONTH TO DATE    9                        62    -53       27       
  SINCE MAR 1    793                       900   -107      950       
  SINCE JUL 1   3917                      4008    -91     4116       
                                                                     
 COOLING                                                             
  YESTERDAY       16                         4     12        0       
  MONTH TO DATE  157                        46    111       65       
  SINCE MAR 1    177                        72    105       86       
  SINCE JAN 1    177                        72    105       86       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     6.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    84           100 AM                                     
 LOWEST     37           700 PM                                     
 AVERAGE    61                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   76        96      1996                    
 MINIMUM TEMPERATURE (F)   58        42      2002                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 20 2015...........SUNRISE   552 AM EDT   SUNSET   818 PM EDT   
MAY 21 2015...........SUNRISE   551 AM EDT   SUNSET   819 PM EDT   

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




$$