Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 280532
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
131 AM EDT SUN MAY 28 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 27 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         74   1143 AM  95    1965  78     -4       88
                                      1914
                                      1880
  MINIMUM         61    529 AM  42    1915  60      1       69
  AVERAGE         68                        69     -1       79

PRECIPITATION (IN)
  YESTERDAY        0.03          1.50 1885   0.13  -0.10     0.00
  MONTH TO DATE    5.28                      3.47   1.81     5.22
  SINCE MAR 1     11.09                     10.01   1.08     8.43
  SINCE JAN 1     14.52                     15.44  -0.92    14.90

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1      3.4                      15.4  -12.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   74                        75     -1      119
  SINCE MAR 1    745                       913   -168      739
  SINCE JUL 1   3121                      4021   -900     3340

 COOLING
  YESTERDAY        3                         5     -2       14
  MONTH TO DATE   74                        83     -9       45
  SINCE MAR 1    173                       109     64       81
  SINCE JAN 1    174                       109     65       81
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     3.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 AM
 LOWEST     57          1000 AM
 AVERAGE    75

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        97      1941
 MINIMUM TEMPERATURE (F)   60        42      1961


SUNRISE AND SUNSET
MAY 28 2017...........SUNRISE   547 AM EDT   SUNSET   825 PM EDT
MAY 29 2017...........SUNRISE   546 AM EDT   SUNSET   826 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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