Climatological Report (Daily)
Issued by NWS Sterling, VA

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000
CDUS41 KLWX 210527
CLIDCA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
127 AM EDT SAT AUG 21 2021

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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 20 2021...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2021


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         85   4:04 PM 101    1983  88     -3       84
  MINIMUM         71   9:02 AM  50    1896  71      0       68
  AVERAGE         78                        79     -1       76

PRECIPITATION (IN)
  YESTERDAY        2.28          4.83 1963   0.10   2.18     0.00
  MONTH TO DATE    7.99                      2.08   5.91     6.31
  SINCE JUN 1     17.74                     10.61   7.13    16.33
  SINCE JAN 1     34.10                     26.74   7.36    33.43

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       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      0                         4     -4        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       13                        14     -1       11
  MONTH TO DATE  301                       302     -1      296
  SINCE JUN 1   1156                      1141     15     1259
  SINCE JAN 1   1320                      1308     12     1366
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED     6.4


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    94           7:00 AM
 LOWEST     53           5:00 PM
 AVERAGE    74

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87       100      1874
 MINIMUM TEMPERATURE (F)   71        53      1908


SUNRISE AND SUNSET
AUGUST 21 2021........SUNRISE   6:27 AM EDT   SUNSET   7:54 PM EDT
AUGUST 22 2021........SUNRISE   6:28 AM EDT   SUNSET   7:53 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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