Climatological Report (Daily)
Issued by NWS Sterling, VA

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989
CDUS41 KLWX 302137
CLIIAD

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
537 PM EDT SUN JUN 30 2024

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 30 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         96   3:24 PM  98    1964  87      9       89
  MINIMUM         76   5:33 AM  51    1989  66     10       67
  AVERAGE         86                        76     10       78

PRECIPITATION (IN)
  TODAY            0.05          1.25 1972   0.14  -0.09     0.34
  MONTH TO DATE    0.69                      4.30  -3.61     2.30
  SINCE JUN 1      0.69                      4.30  -3.61     2.30
  SINCE JAN 1     17.99                     21.54  -3.55    12.28

SNOWFALL (IN)
  TODAY            0.0          MM      MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1     11.7                      21.0   -9.3      0.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                        11    -11        5
  SINCE JUN 1      0                        11    -11        5
  SINCE JUL 1   3691                      4603   -912     3862

 COOLING
  TODAY           21                        11     10       13
  MONTH TO DATE  354                       238    116      182
  SINCE JUN 1    354                       238    116      182
  SINCE JAN 1    537                       344    193      256
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     5.3


SKY COVER
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    94           2:00 AM
 LOWEST     49           2:00 PM
 AVERAGE    72

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87        96      2012
 MINIMUM TEMPERATURE (F)   66        41      1988


SUNRISE AND SUNSET
JUNE 30 2024..........SUNRISE   5:48 AM EDT   SUNSET   8:39 PM EDT
JULY  1 2024..........SUNRISE   5:48 AM EDT   SUNSET   8:39 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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