340  
CDUS41 KLWX 262128  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
528 PM EDT FRI MAY 26 2017  
 
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 26 2017
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
...........................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 78 230 PM 96 1880 78 0  
MINIMUM 58 307 AM 42 1899 60 -2  
AVERAGE 68 69 -1  
 
PRECIPITATION (IN)  
TODAY 0.00 1.65 2009 0.13 -0.13  
MONTH TO DATE 5.25 3.34 1.91  
SINCE MAR 1 11.06 9.88 1.18  
SINCE JAN 1 14.49 15.31 -0.82  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0  
SINCE JUL 1 3.4 15.4 -12.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 -1  
MONTH TO DATE 74 0  
SINCE MAR 1 745 -167  
SINCE JUL 1 3121 -899  
 
COOLING  
TODAY 3 -2  
MONTH TO DATE 71 -7  
SINCE MAR 1 170 66  
SINCE JAN 1 171 67    
...........................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 11.9  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 46  
AVERAGE 73  
   
......................................................
 
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 95 1965  
1914  
1880  
MINIMUM TEMPERATURE (F) 60 42 1915  
 
 
SUNRISE AND SUNSET  
MAY 26 2017...........SUNRISE 548 AM EDT SUNSET 823 PM EDT  
MAY 27 2017...........SUNRISE 547 AM EDT SUNSET 824 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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