Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 300527
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
125 AM EDT SUN APR 30 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR APRIL 29 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         91R   443 PM  91    1974  71     20       56
  MINIMUM         70    451 AM  30    1874  51     19       48
  AVERAGE         81                        61     20       52

PRECIPITATION (IN)
  YESTERDAY        0.00          2.05 1880   0.11  -0.11     0.01
  MONTH TO DATE    2.62                      2.96  -0.34     2.03
  SINCE MAR 1      5.81                      6.44  -0.63     3.19
  SINCE JAN 1      9.24                     11.87  -2.63     9.66

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  2002   0.0    0.0
                                      2001
  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                         5     -5       13
  MONTH TO DATE  123                       264   -141      259
  SINCE MAR 1    671                       832   -161      610
  SINCE JUL 1   3047                      3940   -893     3211

 COOLING
  YESTERDAY       16                         1     15        0
  MONTH TO DATE   82                        20     62       33
  SINCE MAR 1     87                        22     65       36
  SINCE JAN 1     88                        22     66       36
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     8.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           100 AM
 LOWEST     41           400 PM
 AVERAGE    69

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        92      1942
                                             1910
 MINIMUM TEMPERATURE (F)   52        34      1874


SUNRISE AND SUNSET
APRIL 30 2017.........SUNRISE   611 AM EDT   SUNSET   800 PM EDT
MAY  1 2017...........SUNRISE   610 AM EDT   SUNSET   801 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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