Climatological Report (Daily)
Issued by NWS Sterling, VA

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566
CDUS41 KLWX 100727
CLIIAD

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EST MON NOV 10 2025

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 9 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         68   3:01 PM  81    2023  59      9       60
  MINIMUM         45   5:34 AM  19    1967  37      8       36
                                      1971
                                      1976
  AVERAGE         57                        48      9       48

PRECIPITATION (IN)
  YESTERDAY        0.08          0.54 2015   0.11  -0.03     0.00
  MONTH TO DATE    0.34                      0.98  -0.64      T
  SINCE SEP 1      3.69                      8.57  -4.88     3.40
  SINCE JAN 1     28.33                     37.79  -9.46    29.18

SNOWFALL (IN)
  YESTERDAY        0.0           T    1971   0.0    0.0      0.0
                                      1991
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 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        8                        17     -9       17
  MONTH TO DATE  109                       141    -32       65
  SINCE SEP 1    367                       470   -103      301
  SINCE JUL 1    369                       471   -102      303

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0       15
  SINCE SEP 1    182                       174      8      171
  SINCE JAN 1   1330                      1230    100     1585
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     5.7


SKY COVER
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           5:00 AM
 LOWEST     54           7:00 PM
 AVERAGE    77

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   59        77      2020
 MINIMUM TEMPERATURE (F)   37        21      2003


SUNRISE AND SUNSET
NOVEMBER 10 2025......SUNRISE   6:47 AM EST   SUNSET   5:00 PM EST
NOVEMBER 11 2025......SUNRISE   6:48 AM EST   SUNSET   4:59 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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