534
CDUS41 KLWX 182124
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
524 PM EDT TUE APR 18 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 18 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 73 3:08 PM 90 1976 68 5 44
MINIMUM 42 6:07 AM 29 2018 44 -2 36
AVERAGE 58 56 2 40
PRECIPITATION (IN)
TODAY 0.00 0.59 1978 0.11 -0.11 0.54
MONTH TO DATE 0.36 1.98 -1.62 2.22
SINCE MAR 1 1.93 5.48 -3.55 4.14
SINCE JAN 1 5.56 11.03 -5.47 10.34
SNOWFALL (IN)
TODAY 0.0 T 2022 0.0 0.0 T
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 7 10 -3 25
MONTH TO DATE 122 226 -104 226
SINCE MAR 1 692 873 -181 749
SINCE JUL 1 3646 4383 -737 3823
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 36 7 29 8
SINCE MAR 1 37 9 28 11
SINCE JAN 1 37 9 28 11
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 10.8
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 6:00 AM
LOWEST 13 4:00 PM
AVERAGE 42
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 91 2002
MINIMUM TEMPERATURE (F) 44 27 1990
2001
SUNRISE AND SUNSET
APRIL 18 2023.........SUNRISE 6:29 AM EDT SUNSET 7:50 PM EDT
APRIL 19 2023.........SUNRISE 6:28 AM EDT SUNSET 7:51 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page