Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 230540
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
140 AM EDT TUE MAY 23 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 22 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         72    510 PM  96    1941  77     -5       58
  MINIMUM         58    258 AM  39    1907  58      0       54
  AVERAGE         65                        68     -3       56

PRECIPITATION (IN)
  YESTERDAY        0.34          2.20 1975   0.13   0.21     0.37
  MONTH TO DATE    4.18                      2.80   1.38     5.04
  SINCE MAR 1      9.99                      9.34   0.65     8.25
  SINCE JAN 1     13.42                     14.77  -1.35    14.72

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                         2     -2        9
  MONTH TO DATE   70                        68      2      119
  SINCE MAR 1    741                       906   -165      739
  SINCE JUL 1   3117                      4014   -897     3340

 COOLING
  YESTERDAY        0                         4     -4        0
  MONTH TO DATE   66                        58      8        6
  SINCE MAR 1    165                        84     81       42
  SINCE JAN 1    166                        84     82       42
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     4.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           800 AM
 LOWEST     72          1200 AM
 AVERAGE    85

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        97      1925
 MINIMUM TEMPERATURE (F)   59        45      1961
                                             1929
                                             1924


SUNRISE AND SUNSET
MAY 23 2017...........SUNRISE   549 AM EDT   SUNSET   821 PM EDT
MAY 24 2017...........SUNRISE   549 AM EDT   SUNSET   822 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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