423  
CDUS41 KLWX 232131  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
529 PM EDT MON APR 23 2018  
 
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR APRIL 23 2018
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
...........................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 69 227 PM 95 1960 69 0  
MINIMUM 50 535 AM 33 1933 49 1  
1882  
AVERAGE 60 59 1  
 
PRECIPITATION (IN)  
TODAY 0.00 1.38 1921 0.10 -0.10  
MONTH TO DATE 2.09 2.34 -0.25  
SINCE MAR 1 4.01 5.82 -1.81  
SINCE JAN 1 9.74 11.25 -1.51  
 
SNOWFALL (IN)  
TODAY 0.0 T 1986 0.0 0.0  
1930  
MONTH TO DATE T 0.0 0.0  
SINCE JUL 1 7.8 15.4 -7.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 5 -2  
MONTH TO DATE 272 44  
SINCE MAR 1 929 133  
SINCE JUL 1 3719 -185  
 
COOLING  
TODAY 0 -1  
MONTH TO DATE 17 3  
SINCE MAR 1 17 1  
SINCE JAN 1 21 5    
...........................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 5.8  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64  
LOWEST 42  
AVERAGE 53  
   
......................................................
 
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 94 1960  
1925  
MINIMUM TEMPERATURE (F) 50 34 1930  
1882  
 
 
SUNRISE AND SUNSET  
APRIL 23 2018.........SUNRISE 621 AM EDT SUNSET 753 PM EDT  
APRIL 24 2018.........SUNRISE 619 AM EDT SUNSET 754 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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