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 092123
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
423 PM EST SUN DEC 9 2018


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 9 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         35    359 PM  71    1991  49    -14
  MINIMUM         32    858 AM   4    1876  34     -2
  AVERAGE         34                        41     -7       35

PRECIPITATION (IN)
  TODAY            0.00          1.29 2009   0.11  -0.11
  MONTH TO DATE    0.32                      0.97  -0.65
  SINCE DEC 1      0.32                      0.97  -0.65
  SINCE JAN 1     60.78                     37.66  23.12

SNOWFALL (IN)
  TODAY            0.0           1.6  2005   0.0    0.0
  MONTH TO DATE    0.0                       0.5   -0.5
  SINCE JUL 1      1.4                       1.0    0.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           31                                7
  MONTH TO DATE  212                               11
  SINCE DEC 1    212                               11
  SINCE JUL 1    952                               56

 COOLING
  TODAY            0                                0
  MONTH TO DATE    0                                0
  SINCE DEC 1      0                                0
  SINCE JAN 1   2053                              504
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     8.5




RELATIVE HUMIDITY (PERCENT)
 HIGHEST    59
 LOWEST     51
 AVERAGE    55

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   48        67      1966
                                             1939
 MINIMUM TEMPERATURE (F)   34         4      1876


SUNRISE AND SUNSET
DECEMBER  9 2018......SUNRISE   715 AM EST   SUNSET   446 PM EST
DECEMBER 10 2018......SUNRISE   716 AM EST   SUNSET   446 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.