Climatological Report (Daily)
Issued by NWS Sterling, VA

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
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
000
CDUS41 KLWX 282122
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
522 PM EDT TUE JUL 28 2015


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 28 2015...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         90    301 PM  99    1993  88      2       81
  MINIMUM         69    535 AM  47    1977  66      3       65
  AVERAGE         80                        77      3       73

PRECIPITATION (IN)
  TODAY            0.00          1.65 2000   0.12  -0.12     0.00
  MONTH TO DATE    3.68                      3.30   0.38     2.09
  SINCE JUN 1     11.12                      7.28   3.84     6.71
  SINCE JAN 1     24.98                     24.10   0.88    31.06

SNOWFALL (IN)
  TODAY            0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1      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     15                        15      0        2
  SINCE JUL 1      0                         0      0        0

 COOLING
  TODAY           15                        12      3        8
  MONTH TO DATE  309                       331    -22      291
  SINCE JUN 1    586                       568     18      523
  SINCE JAN 1    768                       660    108      609
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED     2.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 AM
 LOWEST     56           200 PM
 AVERAGE    78

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88       103      2011
 MINIMUM TEMPERATURE (F)   66        52      2014


SUNRISE AND SUNSET
JULY 28 2015..........SUNRISE   607 AM EDT   SUNSET   825 PM EDT
JULY 29 2015..........SUNRISE   608 AM EDT   SUNSET   824 PM EDT


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




$$




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.