AFOS product CLIDCA
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
073 
CDUS41 KLWX 130524
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
124 AM EDT FRI APR 13 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR APRIL 12 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         63    216 PM  90    1977  66     -3       72       
  MINIMUM         42    404 AM  24    1874  46     -4       52       
  AVERAGE         53                        56     -3       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.99 1913   0.10  -0.10     0.19    
  MONTH TO DATE    0.16                      1.29  -1.13     1.09    
  SINCE MAR 1      1.18                      4.77  -3.59     5.49    
  SINCE JAN 1      5.70                     10.20  -4.50     9.86    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           2.0  1918   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       12                        10      2        3       
  MONTH TO DATE  105                       138    -33      136       
  SINCE MAR 1    377                       706   -329      730       
  SINCE JUL 1   2926                      3814   -888     3848       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    0                         3     -3        7       
  SINCE MAR 1     23                         5     18        7       
  SINCE JAN 1     23                         5     18        7       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     N (360)      
  AVERAGE WIND SPEED    11.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    67           500 AM                                     
 LOWEST     27           500 PM                                     
 AVERAGE    47                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        90      1977                    
 MINIMUM TEMPERATURE (F)   46        26      1874                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 13 2012.........SUNRISE   634 AM EDT   SUNSET   744 PM EDT   
APRIL 14 2012.........SUNRISE   633 AM EDT   SUNSET   745 PM EDT   

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




$$