AFOS product CLIDCA
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CDUS41 KLWX 010540
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
139 AM EDT THU OCT 1 2015


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 30 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         78   1213 PM  91    1986  74      4       79       
                                      1954                          
  MINIMUM         63   1159 PM  38    1942  57      6       67       
  AVERAGE         71                        65      6       73      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             4.66 2010   0.13  -0.13      T      
  MONTH TO DATE    2.15                      3.72  -1.57     1.11    
  SINCE SEP 1      2.15                      3.72  -1.57     1.11    
  SINCE JAN 1     35.04                     30.12   4.92    34.78    
                                                                     
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                         3     -3        0       
  MONTH TO DATE    0                        22    -22        0       
  SINCE SEP 1      0                        24    -24        0       
  SINCE JUL 1      0                        24    -24        0       
                                                                     
 COOLING                                                             
  YESTERDAY        6                         3      3        8       
  MONTH TO DATE  303                       202    101      273       
  SINCE SEP 1    303                       202    101      273       
  SINCE JAN 1   1977                      1513    464     1666       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     N (360)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     N (360)      
  AVERAGE WIND SPEED    11.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           400 AM                                     
 LOWEST     66           800 PM                                     
 AVERAGE    83                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        93      1941                    
                                             1927                    
 MINIMUM TEMPERATURE (F)   56        36      1899                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER  1 2015.......SUNRISE   704 AM EDT   SUNSET   651 PM EDT   
OCTOBER  2 2015.......SUNRISE   705 AM EDT   SUNSET   650 PM EDT   

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




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