Climatological Report (Daily)
Issued by NWS Sterling, VA

Home |  Current Version |  Previous Version |  Graphics & Text |  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
986
CDUS41 KLWX 042140
CLIIAD

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
540 PM EDT THU JUL 04 2024

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 4 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         95   1:46 PM  97    1999  87      8       92
                                      2002
  MINIMUM         72   5:25 AM  48    1986  66      6       69
  AVERAGE         84                        77      7       81

PRECIPITATION (IN)
  TODAY            0.67          1.87 2001   0.14   0.53      T
  MONTH TO DATE    0.67                      0.56   0.11     0.99
  SINCE JUN 1      1.36                      4.86  -3.50     3.29
  SINCE JAN 1     18.66                     22.10  -3.44    13.27

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      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            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
  TODAY           19                        12      7       16
  MONTH TO DATE   45                        46     -1       65
  SINCE JUN 1    399                       284    115      247
  SINCE JAN 1    582                       390    192      321
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     5.8


SKY COVER
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    94           4:00 PM
 LOWEST     47          11:00 AM
 AVERAGE    71

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87        99      1990
                                             1999
 MINIMUM TEMPERATURE (F)   66        50      1971
                                             1996


SUNRISE AND SUNSET
JULY  4 2024..........SUNRISE   5:50 AM EDT   SUNSET   8:39 PM EDT
JULY  5 2024..........SUNRISE   5:50 AM EDT   SUNSET   8:38 PM EDT


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




$$