AFOS product CLIDCA
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
921 
CDUS41 KLWX 160524
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
124 AM EDT WED SEP 16 2015


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 15 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         84    327 PM  97    1930  80      4       77       
                                      1927                          
  MINIMUM         60    606 AM  43    1902  63     -3       58       
                                      1899                          
  AVERAGE         72                        71      1       68      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.52 1904   0.13  -0.13     0.00    
  MONTH TO DATE    0.27                      1.74  -1.47     0.43    
  SINCE SEP 1      0.27                      1.74  -1.47     0.43    
  SINCE JAN 1     33.16                     28.14   5.02    34.10    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          MM      MM   0.0    0.0              
  MONTH TO DATE    0.0                       0.0    0.0              
  SINCE JUL 1      0.0                       0.0    0.0              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE SEP 1      0                         0      0        0       
  SINCE JUL 1      0                         0      0        0       
                                                                     
 COOLING                                                             
  YESTERDAY        7                         7      0        3       
  MONTH TO DATE  198                       134     64      193       
  SINCE SEP 1    198                       134     64      193       
  SINCE JAN 1   1872                      1445    427     1586       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SE (140)      
  AVERAGE WIND SPEED     3.7                                         

                                                                     
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    78           200 AM                                     
 LOWEST     29           300 PM                                     
 AVERAGE    54                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   80        96      1991                    
 MINIMUM TEMPERATURE (F)   63        44      1902                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 16 2015.....SUNRISE   650 AM EDT   SUNSET   715 PM EDT   
SEPTEMBER 17 2015.....SUNRISE   651 AM EDT   SUNSET   714 PM EDT   

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




$$