Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 220527
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
126 AM EDT TUE AUG 22 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 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         90   1247 PM 100    1874  86      4       91
  MINIMUM         75    607 AM  53    1908  69      6       74
  AVERAGE         83                        78      5       83

PRECIPITATION (IN)
  YESTERDAY        0.01          2.12 1906   0.09  -0.08     0.69
  MONTH TO DATE    3.55                      2.04   1.51     2.79
  SINCE JUN 1     13.83                      9.55   4.28     9.60
  SINCE JAN 1     28.62                     25.51   3.11    24.93

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

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      1                         6     -5        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       18                        13      5       18
  MONTH TO DATE  296                       287      9      395
  SINCE JUN 1   1196                      1058    138     1297
  SINCE JAN 1   1394                      1192    202     1425
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     7.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88          1100 PM
 LOWEST     64           100 PM
 AVERAGE    76

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86        99      1983
 MINIMUM TEMPERATURE (F)   69        51      1923


SUNRISE AND SUNSET
AUGUST 22 2017........SUNRISE   628 AM EDT   SUNSET   753 PM EDT
AUGUST 23 2017........SUNRISE   629 AM EDT   SUNSET   751 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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