Climatological Report (Daily)
Issued by NWS Sterling, VA

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536
CDUS41 KLWX 220623
CLIIAD

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
223 AM EDT TUE APR 22 2025

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 21 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         76   3:51 PM  89    1985  69      7       54
  MINIMUM         56   5:31 AM  29    1983  45     11       44
  AVERAGE         66                        57      9       49

PRECIPITATION (IN)
  YESTERDAY        T             2.20 1992   0.12  -0.12     0.00
  MONTH TO DATE    1.37                      2.33  -0.96     1.45
  SINCE MAR 1      2.79                      5.83  -3.04     5.34
  SINCE JAN 1      7.21                     11.38  -4.17    12.79

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  2001   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.1   -0.1       T
  SINCE MAR 1      0.0                       4.0   -4.0       T
  SINCE JUL 1     15.5                      21.0   -5.5     11.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         9     -9       16
  MONTH TO DATE  217                       253    -36      161
  SINCE MAR 1    667                       900   -233      625
  SINCE JUL 1   3989                      4410   -421     3589

 COOLING
  YESTERDAY        1                         1      0        0
  MONTH TO DATE   15                        10      5       19
  SINCE MAR 1     32                        12     20       19
  SINCE JAN 1     32                        12     20       22
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     7.9


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84          10:00 PM
 LOWEST     51           3:00 PM
 AVERAGE    68

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        92      1985
 MINIMUM TEMPERATURE (F)   45        27      1975


SUNRISE AND SUNSET
APRIL 22 2025.........SUNRISE   6:23 AM EDT   SUNSET   7:54 PM EDT
APRIL 23 2025.........SUNRISE   6:22 AM EDT   SUNSET   7:55 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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