000
CDUS41 KLWX 180530
CLIIAD

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
130 AM EDT THU APR 18 2024

...................................

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 17 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         74   2:26 PM  93    2002  68      6       68
  MINIMUM         59   6:13 AM  27    1983  44     15       40
  AVERAGE         67                        56     11       54

PRECIPITATION (IN)
  YESTERDAY        T             1.44 2000   0.11  -0.11     0.00
  MONTH TO DATE    1.43                      1.87  -0.44     0.36
  SINCE MAR 1      5.32                      5.37  -0.05     1.93
  SINCE JAN 1     12.77                     10.92   1.85     5.56

SNOWFALL (IN)
  YESTERDAY        0.0           T    1983   0.0    0.0      0.0
  MONTH TO DATE    T                         0.1   -0.1      0.0
  SINCE MAR 1      T                         4.0   -4.0       T
  SINCE JUL 1     11.7                      21.0   -9.3      0.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                        10    -10       11
  MONTH TO DATE  134                       216    -82      115
  SINCE MAR 1    598                       863   -265      685
  SINCE JUL 1   3562                      4373   -811     3649

 COOLING
  YESTERDAY        2                         1      1        0
  MONTH TO DATE   18                         6     12       36
  SINCE MAR 1     18                         8     10       37
  SINCE JAN 1     21                         8     13       37
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     7.3


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80          11:00 PM
 LOWEST     35           5:00 AM
 AVERAGE    58

..........................................................


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        90      1976
 MINIMUM TEMPERATURE (F)   44        29      2018


SUNRISE AND SUNSET
APRIL 18 2024.........SUNRISE   6:28 AM EDT   SUNSET   7:50 PM EDT
APRIL 19 2024.........SUNRISE   6:27 AM EDT   SUNSET   7:51 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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