Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 220530
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
127 AM EDT MON MAY 22 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 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         69    445 PM  95    1934  77     -8       63
  MINIMUM         59    731 AM  41    1907  58      1       55
  AVERAGE         64                        67     -3       59

PRECIPITATION (IN)
  YESTERDAY        T             1.79 1909   0.14  -0.14     0.65
  MONTH TO DATE    3.84                      2.67   1.17     4.67
  SINCE MAR 1      9.65                      9.21   0.44     7.88
  SINCE JAN 1     13.08                     14.64  -1.56    14.35

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        1                         2     -1        6
  MONTH TO DATE   70                        66      4      110
  SINCE MAR 1    741                       904   -163      730
  SINCE JUL 1   3117                      4012   -895     3331

 COOLING
  YESTERDAY        0                         4     -4        0
  MONTH TO DATE   66                        54     12        6
  SINCE MAR 1    165                        80     85       42
  SINCE JAN 1    166                        80     86       42
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     7.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    65           900 AM
 LOWEST     51          1200 AM
 AVERAGE    58

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        96      1941
 MINIMUM TEMPERATURE (F)   58        39      1907


SUNRISE AND SUNSET
MAY 22 2017...........SUNRISE   550 AM EDT   SUNSET   820 PM EDT
MAY 23 2017...........SUNRISE   549 AM EDT   SUNSET   821 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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