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Climatological Report (Daily)
Issued by NWS Sterling, VA
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CDUS41 KLWX 122125
CLIIAD

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
525 PM EDT FRI APR 12 2024

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 12 2024...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         67   3:47 PM  87    1977  66      1       85
  MINIMUM         59   8:32 AM  23    1982  42     17       50
  AVERAGE         63                        54      9       68

PRECIPITATION (IN)
  TODAY            0.10          1.45 2004   0.11  -0.01     0.00
  MONTH TO DATE    1.43                      1.33   0.10     0.34
  SINCE MAR 1      5.32                      4.83   0.49     1.91
  SINCE JAN 1     12.77                     10.38   2.39     5.54

SNOWFALL (IN)
  TODAY            0.0           1.0  1973   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
  TODAY            2                        12    -10        0
  MONTH TO DATE  121                       163    -42      104
  SINCE MAR 1    585                       810   -225      674
  SINCE JUL 1   3549                      4320   -771     3638

 COOLING
  TODAY            0                         1     -1        3
  MONTH TO DATE    9                         1      8       21
  SINCE MAR 1      9                         3      6       22
  SINCE JAN 1     12                         3      9       22
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    45   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED    15.9


SKY COVER
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           2:00 AM
 LOWEST     37           3:00 PM
 AVERAGE    62

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        87      1977
 MINIMUM TEMPERATURE (F)   42        24      1990


SUNRISE AND SUNSET
APRIL 12 2024.........SUNRISE   6:37 AM EDT   SUNSET   7:45 PM EDT
APRIL 13 2024.........SUNRISE   6:35 AM EDT   SUNSET   7:46 PM EDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$
National Weather Service National Headquarters
