Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 190524
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT SAT AUG 19 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 18 2017...

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         91    358 PM  98    2002  87      4       92
  MINIMUM         78   1159 PM  54    1902  70      8       74
  AVERAGE         85                        78      7       83

PRECIPITATION (IN)
  YESTERDAY        0.51          1.67 1875   0.09   0.42      T
  MONTH TO DATE    3.53                      1.77   1.76     2.10
  SINCE JUN 1     13.81                      9.28   4.53     8.91
  SINCE JAN 1     28.60                     25.24   3.36    24.24

SNOWFALL (IN)
  YESTERDAY        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
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      1                         6     -5        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       20                        13      7       18
  MONTH TO DATE  247                       248     -1      341
  SINCE JUN 1   1147                      1019    128     1243
  SINCE JAN 1   1345                      1153    192     1371
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     8.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          1100 PM
 LOWEST     70           400 PM
 AVERAGE    84

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86        98      2002
 MINIMUM TEMPERATURE (F)   70        53      1924


SUNRISE AND SUNSET
AUGUST 19 2017........SUNRISE   626 AM EDT   SUNSET   757 PM EDT
AUGUST 20 2017........SUNRISE   627 AM EDT   SUNSET   756 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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