Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 212123
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
522 PM EDT MON AUG 21 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 21 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         90   1247 PM 100    1874  86      4
  MINIMUM         75    607 AM  53    1908  69      6
  AVERAGE         83                        78      5

PRECIPITATION (IN)
  TODAY            0.01          2.12 1906   0.09  -0.08
  MONTH TO DATE    3.55                      2.04   1.51
  SINCE JUN 1     13.83                      9.55   4.28
  SINCE JAN 1     28.62                     25.51   3.11

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           18                                5
  MONTH TO DATE  296                                9
  SINCE JUN 1   1196                              138
  SINCE JAN 1   1394                              202
...............................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     7.0




RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87
 LOWEST     64
 AVERAGE    76

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86        99      1983
 MINIMUM TEMPERATURE (F)   69        51      1923


SUNRISE AND SUNSET
AUGUST 21 2017........SUNRISE   627 AM EDT   SUNSET   754 PM EDT
AUGUST 22 2017........SUNRISE   628 AM EDT   SUNSET   753 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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