153  
CDUS41 KLWX 290523  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
123 AM EDT THU SEP 29 2022  
   
...............................
 
 
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 28 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 73 1:22 PM 91 1886 76 -3 82  
MINIMUM 51 5:06 AM 42 1897 60 -9 63  
1918  
1947  
AVERAGE 62 68 -6 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.46 2004 0.13 -0.13 T  
MONTH TO DATE 1.95 3.66 -1.71 4.03  
SINCE SEP 1 1.95 3.66 -1.71 4.03  
SINCE JAN 1 33.90 31.57 2.33 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 3 2 1 0  
MONTH TO DATE 10 10 0 0  
SINCE SEP 1 10 10 0 0  
SINCE JUL 1 10 10 0 0  
 
COOLING  
YESTERDAY 0 4 -4 8  
MONTH TO DATE 258 230 28 255  
SINCE SEP 1 258 230 28 255  
SINCE JAN 1 1766 1682 84 1774    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 10:00 PM  
LOWEST 44 2:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 93 1954  
MINIMUM TEMPERATURE (F) 59 40 1942  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2022.....SUNRISE 7:02 AM EDT SUNSET 6:54 PM EDT  
SEPTEMBER 30 2022.....SUNRISE 7:03 AM EDT SUNSET 6:52 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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