Climatological Report (Daily)
Issued by NWS Sterling, VA

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620
CDUS41 KLWX 280529
CLIIAD

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
129 AM EDT SUN APR 28 2024

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 27 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         58  10:48 PM  92    1990  71    -13       72
                                      2009
  MINIMUM         52   6:29 AM  31    1972  47      5       46
                                      1987
  AVERAGE         55                        59     -4       59

PRECIPITATION (IN)
  YESTERDAY        0.15          1.65 1973   0.13   0.02     0.00
  MONTH TO DATE    1.60                      3.08  -1.48     0.83
  SINCE MAR 1      5.49                      6.58  -1.09     2.40
  SINCE JAN 1     12.94                     12.13   0.81     6.03

SNOWFALL (IN)
  YESTERDAY        0.0           T    1994   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       10                         7      3        6
  MONTH TO DATE  215                       300    -85      191
  SINCE MAR 1    679                       947   -268      761
  SINCE JUL 1   3643                      4457   -814     3725

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   20                        16      4       44
  SINCE MAR 1     20                        18      2       45
  SINCE JAN 1     23                        18      5       45
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     6.2


SKY COVER
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  RAIN
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          11:00 PM
 LOWEST     50          12:00 AM
 AVERAGE    70

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        88      1983
                                             1990
                                             2021
 MINIMUM TEMPERATURE (F)   48        32      1972
                                             1993


SUNRISE AND SUNSET
APRIL 28 2024.........SUNRISE   6:15 AM EDT   SUNSET   8:00 PM EDT
APRIL 29 2024.........SUNRISE   6:14 AM EDT   SUNSET   8:01 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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