217  
CDUS41 KLWX 280523  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
123 AM EDT WED SEP 28 2022  
   
...............................
 
 
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 27 2022...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2022  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 75 1:30 PM 95 1998 77 -2 80  
MINIMUM 56 11:59 PM 40 1879 60 -4 57  
AVERAGE 66 68 -2 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.17 1985 0.13 -0.13 0.00  
MONTH TO DATE 1.95 3.53 -1.58 4.03  
SINCE SEP 1 1.95 3.53 -1.58 4.03  
SINCE JAN 1 33.90 31.44 2.46 39.21  
 
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 T 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 7 8 -1 0  
SINCE SEP 1 7 8 -1 0  
SINCE JUL 1 7 8 -1 0  
 
COOLING  
YESTERDAY 1 5 -4 4  
MONTH TO DATE 258 226 32 247  
SINCE SEP 1 258 226 32 247  
SINCE JAN 1 1766 1678 88 1766    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 56 1:00 AM  
LOWEST 27 12:00 PM  
AVERAGE 42  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 91 1886  
MINIMUM TEMPERATURE (F) 60 42 1897  
1918  
1947  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2022.....SUNRISE 7:01 AM EDT SUNSET 6:55 PM EDT  
SEPTEMBER 29 2022.....SUNRISE 7:02 AM EDT SUNSET 6:54 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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