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 192122
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
422 PM EST THU JAN 19 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 19 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         52    338 PM  65    1972  42     10       26
  MINIMUM         37    107 AM  -6    1994  24     13       13
  AVERAGE         45                        33     12       20

PRECIPITATION (IN)
  TODAY            0.00          1.36 1987   0.09  -0.09     0.00
  MONTH TO DATE    1.80                      1.59   0.21     1.82
  SINCE DEC 1      4.16                      4.55  -0.39     5.58
  SINCE JAN 1      1.80                      1.59   0.21     1.82

SNOWFALL (IN)
  TODAY            0.0           4.3  1978   0.3   -0.3
  MONTH TO DATE    0.7                       4.0   -3.3
  SINCE JUL 1      0.7                       8.0   -7.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           20                        32    -12       45
  MONTH TO DATE  507                       608   -101      597
  SINCE DEC 1   1330                      1490   -160     1100
  SINCE JUL 1   2057                      2406   -349     1850

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        2
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     6.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79           100 AM
 LOWEST     54           200 PM
 AVERAGE    67

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   42        63      2006
 MINIMUM TEMPERATURE (F)   24        -7      1985


SUNRISE AND SUNSET
JANUARY 19 2017.......SUNRISE   725 AM EST   SUNSET   517 PM EST
JANUARY 20 2017.......SUNRISE   725 AM EST   SUNSET   518 PM EST


-  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.