050  
CDUS41 KLWX 220525  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
125 AM EDT MON OCT 22 2018  
 
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR OCTOBER 21 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 56 219 PM 85 1947 67 -11 78  
MINIMUM 42 1125 PM 30 1974 49 -7 52  
1952  
AVERAGE 49 58 -9 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.02 1904 0.11 -0.11 0.00  
MONTH TO DATE 1.81 2.30 -0.49 0.83  
SINCE SEP 1 11.54 6.02 5.52 2.26  
SINCE JAN 1 51.64 32.42 19.22 31.91  
 
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 16 8 8 0  
MONTH TO DATE 70 112 -42 31  
SINCE SEP 1 71 136 -65 37  
SINCE JUL 1 71 136 -65 37  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 124 33 91 85  
SINCE SEP 1 448 235 213 326  
SINCE JAN 1 2051 1546 505 1817    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 15.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 1200 AM  
LOWEST 38 1100 AM  
AVERAGE 51  
   
......................................................
 
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 84 1979  
1920  
MINIMUM TEMPERATURE (F) 48 29 1895  
 
 
SUNRISE AND SUNSET  
OCTOBER 22 2018.......SUNRISE 725 AM EDT SUNSET 620 PM EDT  
OCTOBER 23 2018.......SUNRISE 726 AM EDT SUNSET 619 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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