AFOS product CLIDCA
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
688 
CDUS41 KLWX 140522
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
122 AM EDT MON MAY 14 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 13 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         80    254 PM  95    1881  75      5       64       
  MINIMUM         62    533 AM  39    1878  56      6       60       
  AVERAGE         71                        65      6       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.81 1897   0.13  -0.13      T      
  MONTH TO DATE    0.90                      1.60  -0.70     0.59    
  SINCE MAR 1      3.84                      8.14  -4.30     8.19    
  SINCE JAN 1      8.36                     13.57  -5.21    12.56    
                                                                     
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                         3     -3        3       
  MONTH TO DATE    4                        48    -44       45       
  SINCE MAR 1    496                       886   -390      864       
  SINCE JUL 1   3045                      3994   -949     3982       
                                                                     
 COOLING                                                             
  YESTERDAY        6                         3      3        0       
  MONTH TO DATE   44                        26     18       11       
  SINCE MAR 1     94                        52     42       55       
  SINCE JAN 1     94                        52     42       55       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (180)      
  AVERAGE WIND SPEED     9.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    72           400 AM                                     
 LOWEST     42           300 PM                                     
 AVERAGE    57                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   75        93      1956                    
 MINIMUM TEMPERATURE (F)   56        41      1928                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 14 2012...........SUNRISE   556 AM EDT   SUNSET   813 PM EDT   
MAY 15 2012...........SUNRISE   555 AM EDT   SUNSET   814 PM EDT   

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




$$