609
CDUS41 KLWX 302124
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
524 PM EDT SUN APR 30 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 30 2023
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 65 2:18 PM 86 1974 72 -7 70
2007
2017
MINIMUM 59 12:03 AM 29 1977 48 11 36
AVERAGE 62 60 2 53
PRECIPITATION (IN)
TODAY 1.02 3.99 2014 0.13 0.89 0.00
MONTH TO DATE 3.29 3.47 -0.18 2.25
SINCE MAR 1 4.86 6.97 -2.11 4.17
SINCE JAN 1 8.49 12.52 -4.03 10.37
SNOWFALL (IN)
TODAY 0.0 0.0 2001 0.0 0.0 0.0
2002
MONTH TO DATE 0.0 0.1 -0.1 T
SINCE MAR 1 T 4.0 -4.0 3.5
SINCE JUL 1 0.4 21.0 -20.6 15.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 3 6 -3 12
MONTH TO DATE 210 320 -110 343
SINCE MAR 1 780 967 -187 866
SINCE JUL 1 3734 4477 -743 3940
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 44 20 24 11
SINCE MAR 1 45 22 23 14
SINCE JAN 1 45 22 23 14
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 10:00 AM
LOWEST 83 12:00 AM
AVERAGE 90
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 90 2010
MINIMUM TEMPERATURE (F) 48 33 1996
SUNRISE AND SUNSET
APRIL 30 2023.........SUNRISE 6:13 AM EDT SUNSET 8:01 PM EDT
MAY 1 2023...........SUNRISE 6:12 AM EDT SUNSET 8:02 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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