Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 220536
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
136 AM EDT SAT JUL 22 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JULY 21 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         97    320 PM 104    1926  89      8       90
  MINIMUM         81    458 AM  56    1909  71     10       71
                                      1890
  AVERAGE         89                        80      9       81

PRECIPITATION (IN)
  YESTERDAY        0.00          2.56 1911   0.11  -0.11     0.00
  MONTH TO DATE    3.00                      2.57   0.43     2.43
  SINCE JUN 1      4.13                      6.35  -2.22     6.11
  SINCE JAN 1     18.92                     22.31  -3.39    21.44

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       24                        15      9       16
  MONTH TO DATE  389                       310     79      339
  SINCE JUN 1    766                       624    142      684
  SINCE JAN 1    964                       758    206      812
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     6.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82          1200 AM
 LOWEST     45           400 PM
 AVERAGE    64

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89       103      1926
 MINIMUM TEMPERATURE (F)   71        53      1890


SUNRISE AND SUNSET
JULY 22 2017..........SUNRISE   601 AM EDT   SUNSET   828 PM EDT
JULY 23 2017..........SUNRISE   602 AM EDT   SUNSET   827 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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