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Climatological Report (Daily)
Issued by NWS Sterling, VA
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CDUS41 KLWX 182139
CLIDCA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
539 PM EDT WED AUG 18 2021

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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 18 2021...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         87   3:59 PM  98    2002  88     -1       88
  MINIMUM         79  12:15 PM  54    1902  71      8       68
  AVERAGE         83                        79      4       78

PRECIPITATION (IN)
  TODAY            0.36          1.67 1875   0.10   0.26     0.00
  MONTH TO DATE    5.69                      1.88   3.81     6.22
  SINCE JUN 1     15.44                     10.41   5.03    16.24
  SINCE JAN 1     31.80                     26.54   5.26    33.34

SNOWFALL (IN)
  TODAY            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
  TODAY            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
  TODAY           18                        14      4       13
  MONTH TO DATE  269                       274     -5      273
  SINCE JUN 1   1124                      1113     11     1236
  SINCE JAN 1   1288                      1280      8     1343
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED    12.6


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           2:00 AM
 LOWEST     70           3:00 PM
 AVERAGE    80

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88        98      2002
                                             2019
 MINIMUM TEMPERATURE (F)   71        53      1924


SUNRISE AND SUNSET
AUGUST 18 2021........SUNRISE   6:25 AM EDT   SUNSET   7:58 PM EDT
AUGUST 19 2021........SUNRISE   6:26 AM EDT   SUNSET   7:57 PM EDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$
National Weather Service National Headquarters
