Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 172123
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT THU AUG 17 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 17 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         89    229 PM 105    1997  87      2
  MINIMUM         76    544 AM  51    1902  70      6
  AVERAGE         83                        78      5

PRECIPITATION (IN)
  TODAY            0.00          2.39 1879   0.09  -0.09
  MONTH TO DATE    3.02                      1.68   1.34
  SINCE JUN 1     13.30                      9.19   4.11
  SINCE JAN 1     28.09                     25.15   2.94

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  227                               -8
  SINCE JUN 1   1127                              121
  SINCE JAN 1   1325                              185
...............................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     7.4




RELATIVE HUMIDITY (PERCENT)
 HIGHEST    94
 LOWEST     68
 AVERAGE    81

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87        98      2002
 MINIMUM TEMPERATURE (F)   70        54      1902


SUNRISE AND SUNSET
AUGUST 17 2017........SUNRISE   624 AM EDT   SUNSET   800 PM EDT
AUGUST 18 2017........SUNRISE   625 AM EDT   SUNSET   758 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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