Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 210537
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
129 AM EDT SAT APR 21 2018


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR APRIL 20 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         61    424 PM  94    1941  68     -7       82
  MINIMUM         38    539 AM  28    1904  48    -10       57
  AVERAGE         50                        58     -8       70

PRECIPITATION (IN)
  YESTERDAY        0.00          1.71 1940   0.10  -0.10     0.11
  MONTH TO DATE    2.09                      2.04   0.05     1.87
  SINCE MAR 1      4.01                      5.52  -1.51     5.06
  SINCE JAN 1      9.74                     10.95  -1.21     8.49

SNOWFALL (IN)
  YESTERDAY        0.0           T    1983   0.0    0.0
                                      1953
  MONTH TO DATE    T                         0.0    0.0
  SINCE JUL 1      7.8                      15.4   -7.6
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       15                         8      7        0
  MONTH TO DATE  248                       207     41       88
  SINCE MAR 1    905                       775    130      636
  SINCE JUL 1   3695                      3883   -188     3012

 COOLING
  YESTERDAY        0                         1     -1        5
  MONTH TO DATE   17                        11      6       42
  SINCE MAR 1     17                        13      4       47
  SINCE JAN 1     21                        13      8       48
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED    12.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    48           300 AM
 LOWEST     26           600 PM
 AVERAGE    37

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        89      1976
                                             1957
 MINIMUM TEMPERATURE (F)   49        31      1875


SUNRISE AND SUNSET
APRIL 21 2018.........SUNRISE   623 AM EDT   SUNSET   751 PM EDT
APRIL 22 2018.........SUNRISE   622 AM EDT   SUNSET   752 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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