282  
CDUS41 KLWX 210523  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
123 AM EDT WED SEP 21 2022  
   
...............................  
 
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 20 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 86 3:00 PM 94 1895 79 7 80  
MINIMUM 68 4:04 AM 41 1916 63 5 64  
AVERAGE 77 71 6 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.43 1938 0.13 -0.13 0.00  
MONTH TO DATE 1.90 2.65 -0.75 2.40  
SINCE SEP 1 1.90 2.65 -0.75 2.40  
SINCE JAN 1 33.85 30.56 3.29 37.58  
 
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 0 1 -1 0  
SINCE SEP 1 0 1 -1 0  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 12 6 6 7  
MONTH TO DATE 229 188 41 214  
SINCE SEP 1 229 188 41 214  
SINCE JAN 1 1737 1640 97 1733    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 4:00 AM  
LOWEST 40 12:00 PM  
AVERAGE 64  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 96 1895  
MINIMUM TEMPERATURE (F) 62 41 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2022.....SUNRISE 6:55 AM EDT SUNSET 7:07 PM EDT  
SEPTEMBER 22 2022.....SUNRISE 6:56 AM EDT SUNSET 7:05 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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