AFOS product CLIDCA
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
422 
CDUS41 KLWX 160525
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
125 AM EDT FRI SEP 16 2016


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 15 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         77    304 PM  97    1930  80     -3       84       
                                      1927                          
  MINIMUM         67   1157 PM  43    1902  63      4       60       
                                      1899                          
  AVERAGE         72                        71      1       72      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.52 1904   0.13  -0.13     0.00    
  MONTH TO DATE    0.05                      1.74  -1.69     0.27    
  SINCE SEP 1      0.05                      1.74  -1.69     0.27    
  SINCE JAN 1     24.98                     28.14  -3.16    33.16    
                                                                     
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        7       
  MONTH TO DATE  220                       134     86      198       
  SINCE SEP 1    220                       134     86      198       
  SINCE JAN 1   1806                      1445    361     1872       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NE (30)       
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NE (30)       
  AVERAGE WIND SPEED     9.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    73          1000 PM                                     
 LOWEST     54           100 PM                                     
 AVERAGE    64                                                       

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

                                                                     
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 2016.....SUNRISE   651 AM EDT   SUNSET   714 PM EDT   
SEPTEMBER 17 2016.....SUNRISE   652 AM EDT   SUNSET   712 PM EDT   

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




$$