584  
CDUS41 KLWX 150525  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
125 AM EDT MON OCT 15 2018  
 
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR OCTOBER 14 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 60 958 PM 87 1975 69 -9 71  
MINIMUM 48 243 AM 32 1875 51 -3 62  
AVERAGE 54 60 -6 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 3.36 1995 0.12 -0.11 0.00  
MONTH TO DATE 1.54 1.55 -0.01 0.73  
SINCE SEP 1 11.27 5.27 6.00 2.16  
SINCE JAN 1 51.37 31.67 19.70 31.81  
 
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 11 6 5 0  
MONTH TO DATE 22 63 -41 8  
SINCE SEP 1 23 87 -64 14  
SINCE JUL 1 23 87 -64 14  
 
COOLING  
YESTERDAY 0 1 -1 2  
MONTH TO DATE 122 26 96 77  
SINCE SEP 1 446 228 218 318  
SINCE JAN 1 2049 1539 510 1809    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 3.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 500 AM  
LOWEST 61 1200 AM  
AVERAGE 68  
   
......................................................
 
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 87 1975  
MINIMUM TEMPERATURE (F) 51 32 1874  
 
 
SUNRISE AND SUNSET  
OCTOBER 15 2018.......SUNRISE 717 AM EDT SUNSET 630 PM EDT  
OCTOBER 16 2018.......SUNRISE 718 AM EDT SUNSET 628 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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