Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 122123
CLIIAD

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT FRI JUL 12 2024

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 12 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         80   3:54 PM  97    1986  88     -8       93
  MINIMUM         70   7:22 AM  47    2002  67      3       65
  AVERAGE         75                        77     -2       79

PRECIPITATION (IN)
  TODAY            0.28          2.61 1990   0.13   0.15     0.00
  MONTH TO DATE    1.34                      1.62  -0.28     1.83
  SINCE JUN 1      2.03                      5.92  -3.89     4.13
  SINCE JAN 1     19.33                     23.16  -3.83    14.11

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           10                        12     -2       14
  MONTH TO DATE  197                       142     55      188
  SINCE JUN 1    551                       380    171      370
  SINCE JAN 1    734                       486    248      444
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     4.3


SKY COVER
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           7:00 AM
 LOWEST     64          12:00 AM
 AVERAGE    79

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88        97      1966
                                             1986
 MINIMUM TEMPERATURE (F)   67        52      1978


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.




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