848  
CDUS41 KLWX 250547  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
141 AM EDT SAT MAY 25 2013  
 
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 24 2013  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2013  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 67 1230 AM 92 1964 78 -11 83  
1884  
MINIMUM 49 1159 PM 41 1905 59 -10 69  
AVERAGE 58 68 -10 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.97 1897 0.13 -0.12 T  
MONTH TO DATE 1.48 3.07 -1.59 2.72  
SINCE MAR 1 7.04 9.61 -2.57 5.66  
SINCE JAN 1 11.24 15.04 -3.80 10.18  
 
SNOWFALL (IN)  
YESTERDAY MM MM MM 0.0 MM  
MONTH TO DATE 0.0 0.0 0.0  
SINCE JUL 1 3.1 15.4 -12.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 2 5 0  
MONTH TO DATE 71 72 -1 4  
SINCE MAR 1 939 910 29 496  
SINCE JUL 1 3753 4018 -265 3045  
 
COOLING  
YESTERDAY 0 5 -5 11  
MONTH TO DATE 89 68 21 113  
SINCE MAR 1 130 94 36 163  
SINCE JAN 1 130 94 36 163    
..............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 16.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 200 AM  
LOWEST 43 700 PM  
AVERAGE 65  
   
......................................................  
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 94 1880  
MINIMUM TEMPERATURE (F) 59 42 1877  
 
 
SUNRISE AND SUNSET  
MAY 25 2013...........SUNRISE 548 AM EDT SUNSET 822 PM EDT  
MAY 26 2013...........SUNRISE 548 AM EDT SUNSET 823 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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