381  
CDUS41 KLWX 100524  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
124 AM EDT MON APR 10 2023  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR APRIL 9 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 63 3:56 PM 90 1959 66 -3 58  
MINIMUM 40 5:56 AM 28 1896 46 -6 44  
1917  
1972  
AVERAGE 52 56 -4 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.53 1906 0.11 -0.11 0.04  
MONTH TO DATE 0.29 0.95 -0.66 2.78  
SINCE MAR 1 1.89 4.45 -2.56 5.55  
SINCE JAN 1 5.62 9.93 -4.31 11.56  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.5 1917 0.0 0.0 0.0  
MONTH TO DATE T 0.0 0.0 0.0  
SINCE MAR 1 T 2.0 -2.0 0.9  
SINCE JUL 1 0.4 13.7 -13.3 13.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 10 3 14  
MONTH TO DATE 61 99 -38 111  
SINCE MAR 1 548 643 -95 558  
SINCE JUL 1 3040 3566 -526 3203  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 19 3 16 0  
SINCE MAR 1 21 6 15 4  
SINCE JAN 1 21 6 15 4    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 7:00 AM  
LOWEST 22 4:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 91 2013  
MINIMUM TEMPERATURE (F) 47 28 1997  
 
SUNRISE AND SUNSET  
APRIL 10 2023.........SUNRISE 6:39 AM EDT SUNSET 7:40 PM EDT  
APRIL 11 2023.........SUNRISE 6:38 AM EDT SUNSET 7:41 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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