Climatological Report (Daily)
Issued by NWS Sterling, VA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
455
CDUS41 KLWX 070528
CLIIAD

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
128 AM EDT SUN JUL 07 2024

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 6 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         99   3:25 PM 102    1977  87     12       90
  MINIMUM         76   4:33 AM  45    1979  66     10       71
  AVERAGE         88                        77     11       81

PRECIPITATION (IN)
  YESTERDAY        0.00          1.68 2017   0.13  -0.13     0.05
  MONTH TO DATE    0.68                      0.82  -0.14     1.04
  SINCE JUN 1      1.37                      5.12  -3.75     3.34
  SINCE JAN 1     18.67                     22.36  -3.69    13.32

SNOWFALL (IN)
  YESTERDAY        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      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      0                        13    -13        5
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       23                        12     11       16
  MONTH TO DATE   90                        70     20       96
  SINCE JUN 1    444                       308    136      278
  SINCE JAN 1    627                       414    213      352
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     4.9


SKY COVER
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           5:00 AM
 LOWEST     33           5:00 PM
 AVERAGE    59

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88       101      1988
                                             2010
                                             2012
 MINIMUM TEMPERATURE (F)   67        47      1970


SUNRISE AND SUNSET
JULY  7 2024..........SUNRISE   5:52 AM EDT   SUNSET   8:38 PM EDT
JULY  8 2024..........SUNRISE   5:52 AM EDT   SUNSET   8:37 PM EDT


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




$$