035  
CDUS41 KLWX 280526  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
126 AM EDT WED JUN 28 2017  
 
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JUNE 27 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 82 1240 PM 99 2010 87 -5 87  
MINIMUM 66 1159 PM 57 1927 69 -3 68  
1908  
AVERAGE 74 78 -4 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 2.75 2015 0.12 -0.05 0.35  
MONTH TO DATE 1.13 3.40 -2.27 2.81  
SINCE JUN 1 1.13 3.40 -2.27 2.81  
SINCE JAN 1 15.92 19.36 -3.44 18.14  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 5 -4 0  
SINCE JUN 1 1 5 -4 0  
SINCE JUL 1 3122 4030 -908 3340  
 
COOLING  
YESTERDAY 9 13 -4 13  
MONTH TO DATE 337 272 65 312  
SINCE JUN 1 337 272 65 312  
SINCE JAN 1 535 406 129 440    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 8.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 55 400 AM  
LOWEST 28 600 PM  
AVERAGE 42  
   
......................................................
 
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 100 1969  
MINIMUM TEMPERATURE (F) 70 54 1927  
 
 
SUNRISE AND SUNSET  
JUNE 28 2017..........SUNRISE 545 AM EDT SUNSET 837 PM EDT  
JUNE 29 2017..........SUNRISE 546 AM EDT SUNSET 837 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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