420  
CDUS41 KLWX 160528  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
127 AM EDT SAT JUN 16 2012  
 
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JUNE 15 2012  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2012  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82 352 PM 101 1994 84 -2 84  
MINIMUM 64 508 AM 47 1933 66 -2 59  
AVERAGE 73 75 -2 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.28 1880 0.13 -0.13 0.00  
MONTH TO DATE 1.51 1.89 -0.38 0.27  
SINCE JUN 1 1.51 1.89 -0.38 0.27  
SINCE JAN 1 12.25 17.85 -5.60 13.94  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0  
SINCE JUL 1 2.0 14.5 -12.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 5 -5 0  
SINCE JUN 1 0 5 -5 0  
SINCE JUL 1 3045 4030 -985 3985  
 
COOLING  
YESTERDAY 8 10 -2 7  
MONTH TO DATE 121 127 -6 210  
SINCE JUN 1 121 127 -6 210  
SINCE JAN 1 380 261 119 410    
..............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 6.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 400 AM  
LOWEST 36 200 PM  
AVERAGE 62  
   
......................................................  
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 99 1994  
MINIMUM TEMPERATURE (F) 67 50 1917  
 
 
SUNRISE AND SUNSET  
JUNE 16 2012..........SUNRISE 542 AM EDT SUNSET 836 PM EDT  
JUNE 17 2012..........SUNRISE 543 AM EDT SUNSET 836 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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