Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 210526
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
124 AM EDT MON AUG 21 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 20 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         88    228 PM 101    1983  86      2       91
  MINIMUM         70    605 AM  50    1896  70      0       75
  AVERAGE         79                        78      1       83

PRECIPITATION (IN)
  YESTERDAY        0.00          4.83 1963   0.09  -0.09     0.00
  MONTH TO DATE    3.54                      1.95   1.59     2.10
  SINCE JUN 1     13.82                      9.46   4.36     8.91
  SINCE JAN 1     28.61                     25.42   3.19    24.24

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       14                        13      1       18
  MONTH TO DATE  278                       274      4      377
  SINCE JUN 1   1178                      1045    133     1279
  SINCE JAN 1   1376                      1179    197     1407
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     6.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76          1000 PM
 LOWEST     37           100 PM
 AVERAGE    57

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86       100      1874
 MINIMUM TEMPERATURE (F)   69        53      1908


SUNRISE AND SUNSET
AUGUST 21 2017........SUNRISE   627 AM EDT   SUNSET   754 PM EDT
AUGUST 22 2017........SUNRISE   628 AM EDT   SUNSET   753 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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