525  
CDUS41 KLWX 280526  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
126 AM EDT THU OCT 28 2021  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR OCTOBER 27 2021
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 72 2:11 PM 83 1963 65 7 66  
MINIMUM 53 6:17 AM 30 1962 48 5 58  
AVERAGE 63 57 6 62  
 
PRECIPITATION (IN)  
YESTERDAY T 1.75 1937 0.12 -0.12 0.00  
MONTH TO DATE 2.08 3.20 -1.12 2.29  
SINCE SEP 1 6.11 7.13 -1.02 7.82  
SINCE JAN 1 41.29 35.04 6.25 43.67  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1957 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 9 -7 3  
MONTH TO DATE 30 137 -107 85  
SINCE SEP 1 30 153 -123 115  
SINCE JUL 1 30 153 -123 115  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 100 44 56 32  
SINCE SEP 1 356 282 74 225  
SINCE JAN 1 1875 1734 141 1757    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 13.5  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 11:00 PM  
LOWEST 49 1:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 87 1919  
MINIMUM TEMPERATURE (F) 48 27 1936  
 
SUNRISE AND SUNSET  
OCTOBER 28 2021.......SUNRISE 7:31 AM EDT SUNSET 6:12 PM EDT  
OCTOBER 29 2021.......SUNRISE 7:32 AM EDT SUNSET 6:11 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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