795  
CDUS41 KLWX 230526  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
125 AM EDT SUN JUL 23 2017  
 
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JULY 22 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 96 1230 PM 103 1926 89 7 95  
MINIMUM 74 204 PM 53 1890 71 3 74  
AVERAGE 85 80 5 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.98 4.35 1969 0.11 0.87 0.00  
MONTH TO DATE 3.98 2.68 1.30 2.43  
SINCE JUN 1 5.11 6.46 -1.35 6.11  
SINCE JAN 1 19.90 22.42 -2.52 21.44  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 1 6 -5 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 20 15 5 20  
MONTH TO DATE 409 325 84 359  
SINCE JUN 1 786 639 147 704  
SINCE JAN 1 984 773 211 832    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 7.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 300 AM  
LOWEST 46 1200 PM  
AVERAGE 63  
   
......................................................
 
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 102 2011  
MINIMUM TEMPERATURE (F) 71 56 1890  
 
 
SUNRISE AND SUNSET  
JULY 23 2017..........SUNRISE 602 AM EDT SUNSET 827 PM EDT  
JULY 24 2017..........SUNRISE 603 AM EDT SUNSET 826 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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