771  
CDUS41 KLWX 282122  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
522 PM EDT TUE JUL 28 2015  
 
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JULY 28 2015
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2015  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 94 225 PM 100 1997 88 6 86  
1993  
MINIMUM 77 603 AM 56 1920 71 6 71  
AVERAGE 86 80 6 79  
 
PRECIPITATION (IN)  
TODAY 0.00 2.90 1951 0.12 -0.12 T  
MONTH TO DATE 4.48 3.38 1.10 4.68  
SINCE JUN 1 16.42 7.16 9.26 7.99  
SINCE JAN 1 31.20 23.12 8.08 30.28  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 6 6 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 21 15 6 14  
MONTH TO DATE 462 415 47 428  
SINCE JUN 1 869 729 140 800  
SINCE JAN 1 1167 863 304 969    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 3.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 100 AM  
LOWEST 52 100 PM  
AVERAGE 67  
   
......................................................
 
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 104 2011  
MINIMUM TEMPERATURE (F) 71 58 1920  
 
 
SUNRISE AND SUNSET  
JULY 28 2015..........SUNRISE 606 AM EDT SUNSET 823 PM EDT  
JULY 29 2015..........SUNRISE 606 AM EDT SUNSET 822 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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