AFOS product CLIDCA
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
561 
CDUS41 KLWX 210528
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
128 AM EDT WED SEP 21 2016


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 20 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         80    237 PM  94    1895  78      2       82       
  MINIMUM         71    744 AM  41    1916  61     10       68       
  AVERAGE         76                        69      7       75      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.43 1938   0.13  -0.13     0.00    
  MONTH TO DATE    0.51                      2.42  -1.91     0.27    
  SINCE SEP 1      0.51                      2.42  -1.91     0.27    
  SINCE JAN 1     25.44                     28.82  -3.38    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                         1     -1        0       
  MONTH TO DATE    0                         5     -5        0       
  SINCE SEP 1      0                         5     -5        0       
  SINCE JUL 1      0                         5     -5        0       
                                                                     
 COOLING                                                             
  YESTERDAY       11                         5      6       10       
  MONTH TO DATE  276                       164    112      249       
  SINCE SEP 1    276                       164    112      249       
  SINCE JAN 1   1862                      1475    387     1923       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NE (40)       
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     N (20)       
  AVERAGE WIND SPEED     8.6                                         

                                                                     
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    93          1200 AM                                     
 LOWEST     71           300 PM                                     
 AVERAGE    82                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78        96      1895                    
 MINIMUM TEMPERATURE (F)   61        41      1956                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 21 2016.....SUNRISE   655 AM EDT   SUNSET   706 PM EDT   
SEPTEMBER 22 2016.....SUNRISE   656 AM EDT   SUNSET   704 PM EDT   

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




$$