486  
CDUS41 KLWX 110523  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
123 AM EDT SUN SEP 11 2022  
   
...............................
 
 
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 10 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 83 2:30 PM 98 1983 83 0 78  
MINIMUM 64 5:14 AM 44 1883 66 -2 63  
AVERAGE 74 74 0 71  
 
PRECIPITATION (IN)  
YESTERDAY T 2.88 2020 0.13 -0.13 0.00  
MONTH TO DATE 0.93 1.28 -0.35 1.60  
SINCE SEP 1 0.93 1.28 -0.35 1.60  
SINCE JAN 1 32.88 29.19 3.69 36.78  
 
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 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 9 10 -1 6  
MONTH TO DATE 130 109 21 92  
SINCE SEP 1 130 109 21 92  
SINCE JAN 1 1638 1561 77 1611    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 56 3:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 98 1983  
MINIMUM TEMPERATURE (F) 66 40 1917  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2022.....SUNRISE 6:46 AM EDT SUNSET 7:23 PM EDT  
SEPTEMBER 12 2022.....SUNRISE 6:47 AM EDT SUNSET 7:21 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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