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
472
CDUS41 KLWX 230534
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
134 AM EDT WED MAY 23 2018


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 22 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         80    234 PM  88    2004  77      3       73
                                      1984
                                      1975
  MINIMUM         65    958 AM  31    2002  53     12       57
  AVERAGE         73                        65      8       65

PRECIPITATION (IN)
  YESTERDAY        0.83          2.07 2001   0.15   0.68     0.51
  MONTH TO DATE    6.50                      3.18   3.32     5.36
  SINCE MAR 1     11.84                     10.03   1.81    12.52
  SINCE JAN 1     18.23                     15.45   2.78    15.96

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1     11.9                      22.0  -10.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE   21                       109    -88      129
  SINCE MAR 1   1210                      1091    119      948
  SINCE JUL 1   4561                      4681   -120     3841

 COOLING
  YESTERDAY        8                         3      5        0
  MONTH TO DATE   98                        39     59       50
  SINCE MAR 1    113                        59     54      119
  SINCE JAN 1    118                        59     59      119
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     6.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 PM
 LOWEST     74           200 PM
 AVERAGE    87

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        92      1964
 MINIMUM TEMPERATURE (F)   53        39      2002
                                             1990
                                             1971


SUNRISE AND SUNSET
MAY 23 2018...........SUNRISE   551 AM EDT   SUNSET   823 PM EDT
MAY 24 2018...........SUNRISE   550 AM EDT   SUNSET   823 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.