Climatological Report (Daily)
Issued by NWS Sterling, VA

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128
CDUS41 KLWX 210732
CLIIAD

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
232 AM EST FRI NOV 21 2025

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 20 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         48   4:29 PM  79    1985  55     -7       65
  MINIMUM         41   7:25 AM  18    1980  34      7       46
  AVERAGE         45                        45      0       56

PRECIPITATION (IN)
  YESTERDAY        0.00          0.78 2024   0.10  -0.10     0.78
  MONTH TO DATE    0.63                      2.09  -1.46     1.35
  SINCE SEP 1      3.98                      9.68  -5.70     4.75
  SINCE JAN 1     28.62                     38.90 -10.28    30.53

SNOWFALL (IN)
  YESTERDAY        0.0           T    1969   0.0    0.0      0.0
                                      1987
                                      2000
  MONTH TO DATE    0.0                       0.1   -0.1      0.0
  SINCE SEP 1      0.0                       0.1   -0.1      0.0
  SINCE JUL 1      0.0                       0.1   -0.1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       20                        20      0        9
  MONTH TO DATE  332                       348    -16      216
  SINCE SEP 1    590                       677    -87      452
  SINCE JUL 1    592                       678    -86      454

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0       16
  SINCE SEP 1    182                       174      8      172
  SINCE JAN 1   1330                      1230    100     1586
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     2.1


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           6:00 AM
 LOWEST     73           1:00 PM
 AVERAGE    80

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   54        76      2007
 MINIMUM TEMPERATURE (F)   34        16      1969


SUNRISE AND SUNSET
NOVEMBER 21 2025......SUNRISE   6:59 AM EST   SUNSET   4:52 PM EST
NOVEMBER 22 2025......SUNRISE   7:01 AM EST   SUNSET   4:51 PM EST


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




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