Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 202154
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
554 PM EDT SUN AUG 20 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 20 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         88    228 PM 101    1983  86      2
  MINIMUM         70    605 AM  50    1896  70      0
  AVERAGE         79                        78      1

PRECIPITATION (IN)
  TODAY            0.00          4.83 1963   0.09  -0.09
  MONTH TO DATE    3.54                      1.95   1.59
  SINCE JUN 1     13.82                      9.46   4.36
  SINCE JAN 1     28.61                     25.42   3.19

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
  MONTH TO DATE    0                                0
  SINCE JUN 1      1                               -5
  SINCE JUL 1      0                                0

 COOLING
  TODAY           14                                1
  MONTH TO DATE  278                                4
  SINCE JUN 1   1178                              133
  SINCE JAN 1   1376                              197
...............................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     7.1




RELATIVE HUMIDITY (PERCENT)
 HIGHEST    73
 LOWEST     37
 AVERAGE    55

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86       100      1874
 MINIMUM TEMPERATURE (F)   69        53      1908


SUNRISE AND SUNSET
AUGUST 20 2017........SUNRISE   627 AM EDT   SUNSET   756 PM EDT
AUGUST 21 2017........SUNRISE   627 AM EDT   SUNSET   754 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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