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
821
CDUS41 KLWX 120525
CLIIAD

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
125 AM EDT FRI JUL 12 2024

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 11 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         91   4:10 PM  98    1988  88      3       91
  MINIMUM         66   4:53 AM  52    1983  67     -1       65
  AVERAGE         79                        77      2       78

PRECIPITATION (IN)
  YESTERDAY        0.00          3.71 2013   0.13  -0.13     0.00
  MONTH TO DATE    1.06                      1.49  -0.43     1.83
  SINCE JUN 1      1.75                      5.79  -4.04     4.13
  SINCE JAN 1     19.05                     23.03  -3.98    14.11

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       14                        12      2       13
  MONTH TO DATE  187                       130     57      174
  SINCE JUN 1    541                       368    173      356
  SINCE JAN 1    724                       474    250      430
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     7.2


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           5:00 AM
 LOWEST     39           3:00 PM
 AVERAGE    63

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88        97      1986
 MINIMUM TEMPERATURE (F)   67        47      2002


SUNRISE AND SUNSET
JULY 12 2024..........SUNRISE   5:55 AM EDT   SUNSET   8:36 PM EDT
JULY 13 2024..........SUNRISE   5:56 AM EDT   SUNSET   8:35 PM EDT


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




$$