Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 122121
CLIIAD

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
421 PM EST WED NOV 12 2025

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 12 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         62   1:45 PM  74    1964  58      4       62
  MINIMUM         34   7:12 AM  22    1973  36     -2       43
                                      1988
  AVERAGE         48                        47      1       53

PRECIPITATION (IN)
  TODAY            0.00          1.92 2004   0.10  -0.10     0.00
  MONTH TO DATE    0.34                      1.29  -0.95     0.21
  SINCE SEP 1      3.69                      8.88  -5.19     3.61
  SINCE JAN 1     28.33                     38.10  -9.77    29.39

SNOWFALL (IN)
  TODAY            0.0           4.2  1968   0.0    0.0      0.0
  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
  TODAY           17                        18     -1       12
  MONTH TO DATE  174                       194    -20       94
  SINCE SEP 1    432                       523    -91      330
  SINCE JUL 1    434                       524    -90      332

 COOLING
  TODAY            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    26   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    11.5


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    52           7:00 AM
 LOWEST     28           2:00 PM
 AVERAGE    40

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        75      1964
 MINIMUM TEMPERATURE (F)   36        19      2019


SUNRISE AND SUNSET
NOVEMBER 12 2025......SUNRISE   6:50 AM EST   SUNSET   4:58 PM EST
NOVEMBER 13 2025......SUNRISE   6:51 AM EST   SUNSET   4:57 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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