948  
CDUS41 KLWX 170535  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
135 AM EDT TUE OCT 17 2023  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR OCTOBER 16 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 MM MM 89 1881 69 MM 71  
1897  
MINIMUM MM MM 30 1876 52 MM 54  
AVERAGE MM 61 MM 63  
 
PRECIPITATION (IN)  
YESTERDAY MM 1.38 2002 0.12 MM 0.02  
MONTH TO DATE 0.55 1.89 -1.34 2.35  
SINCE SEP 1 4.15 5.82 -1.67 4.62  
SINCE JAN 1 26.64 33.73 -7.09 36.57  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 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 MM 5 MM 2  
MONTH TO DATE 44 58 -14 87  
SINCE SEP 1 53 74 -21 104  
SINCE JUL 1 53 74 -21 104  
 
COOLING  
YESTERDAY MM 1 MM 0  
MONTH TO DATE 50 37 13 4  
SINCE SEP 1 319 275 44 262  
SINCE JAN 1 1685 1727 -42 1770    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
SKY COVER  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 86 1908  
1938  
MINIMUM TEMPERATURE (F) 52 33 1886  
1893  
 
SUNRISE AND SUNSET  
OCTOBER 17 2023.......SUNRISE 7:19 AM EDT SUNSET 6:27 PM EDT  
OCTOBER 18 2023.......SUNRISE 7:20 AM EDT SUNSET 6:26 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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