Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 192126
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
525 PM EDT THU OCT 19 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR OCTOBER 19 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE
                VALUE   (LST)  VALUE       VALUE  FROM
                                                  NORMAL
...............................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         72    233 PM  88    1938  67      5
  MINIMUM         49    510 AM  30    1880  49      0
  AVERAGE         61                        58      3

PRECIPITATION (IN)
  TODAY            0.00          2.73 1906   0.11  -0.11
  MONTH TO DATE    0.83                      2.09  -1.26
  SINCE SEP 1      2.26                      5.81  -3.55
  SINCE JAN 1     31.91                     32.21  -0.30

SNOWFALL (IN)
  TODAY            0.0           0.1  1940   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            4                               -3
  MONTH TO DATE   31                              -65
  SINCE SEP 1     37                              -83
  SINCE JUL 1     37                              -83

 COOLING
  TODAY            0                               -1
  MONTH TO DATE   84                               53
  SINCE SEP 1    325                               92
  SINCE JAN 1   1816                              272
...............................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     6.9




RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93
 LOWEST     44
 AVERAGE    69

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        86      1969
 MINIMUM TEMPERATURE (F)   49        31      1972


SUNRISE AND SUNSET
OCTOBER 19 2017.......SUNRISE   722 AM EDT   SUNSET   624 PM EDT
OCTOBER 20 2017.......SUNRISE   723 AM EDT   SUNSET   622 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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