250  
CDUS41 KLWX 310521  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
121 AM EDT TUE OCT 31 2023  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR OCTOBER 30 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 81 1:20 PM 82 1946 64 17 66  
1996  
MINIMUM 53 11:21 PM 26 1873 47 6 40  
AVERAGE 67 56 11 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.02 1898 0.12 -0.09 0.00  
MONTH TO DATE 0.65 3.55 -2.90 2.62  
SINCE SEP 1 4.25 7.48 -3.23 4.89  
SINCE JAN 1 26.74 35.39 -8.65 36.84  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 1925 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 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 10 -10 12  
MONTH TO DATE 107 165 -58 204  
SINCE SEP 1 116 181 -65 221  
SINCE JUL 1 116 181 -65 221  
 
COOLING  
YESTERDAY 2 0 2 0  
MONTH TO DATE 74 44 30 4  
SINCE SEP 1 343 282 61 262  
SINCE JAN 1 1709 1734 -25 1770    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1:00 AM  
LOWEST 56 1:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 85 1950  
MINIMUM TEMPERATURE (F) 46 26 1893  
1917  
 
SUNRISE AND SUNSET  
OCTOBER 31 2023.......SUNRISE 7:34 AM EDT SUNSET 6:09 PM EDT  
NOVEMBER 1 2023......SUNRISE 7:35 AM EDT SUNSET 6:08 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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