911  
CDUS41 KLWX 230554  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
154 AM EDT THU MAR 23 2017  
 
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MARCH 22 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 59 108 AM 90 1907 58 1 62  
MINIMUM 37 1159 PM 17 1892 39 -2 35  
1885  
AVERAGE 48 49 -1 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.83 1891 0.12 -0.12 0.00  
MONTH TO DATE 2.07 2.38 -0.31 0.79  
SINCE MAR 1 2.07 2.38 -0.31 0.79  
SINCE JAN 1 5.50 7.81 -2.31 7.26  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.8 1914 0.0 0.0  
MONTH TO DATE 2.0 1.2 0.8  
SINCE JUL 1 3.4 15.3 -11.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 16 1 16  
MONTH TO DATE 455 434 21 289  
SINCE MAR 1 455 434 21 289  
SINCE JUL 1 2831 3542 -711 2890  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 3 0 3 3  
SINCE MAR 1 3 0 3 3  
SINCE JAN 1 4 0 4 3    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 16.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 51 200 AM  
LOWEST 16 400 PM  
AVERAGE 34  
   
......................................................
 
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 93 1907  
MINIMUM TEMPERATURE (F) 40 16 1888  
 
 
SUNRISE AND SUNSET  
MARCH 23 2017.........SUNRISE 707 AM EDT SUNSET 723 PM EDT  
MARCH 24 2017.........SUNRISE 705 AM EDT SUNSET 724 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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