172
CDUS41 KLWX 182123
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT THU APR 18 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 18 2024
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 79 3:07 PM 90 1976 68 11 73
MINIMUM 53 5:59 AM 29 2018 44 9 42
AVERAGE 66 56 10 58
PRECIPITATION (IN)
TODAY T 0.59 1978 0.11 -0.11 0.00
MONTH TO DATE 1.43 1.98 -0.55 0.36
SINCE MAR 1 5.32 5.48 -0.16 1.93
SINCE JAN 1 12.77 11.03 1.74 5.56
SNOWFALL (IN)
TODAY 0.0 T 2022 0.0 0.0 0.0
MONTH TO DATE T 0.1 -0.1 0.0
SINCE MAR 1 T 4.0 -4.0 T
SINCE JUL 1 11.7 21.0 -9.3 0.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 10 -10 7
MONTH TO DATE 134 226 -92 122
SINCE MAR 1 598 873 -275 692
SINCE JUL 1 3562 4383 -821 3656
COOLING
TODAY 1 1 0 0
MONTH TO DATE 19 7 12 36
SINCE MAR 1 19 9 10 37
SINCE JAN 1 22 9 13 37
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 7.6
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 4:00 AM
LOWEST 36 2:00 PM
AVERAGE 63
......................................................
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 2024.........SUNRISE 6:28 AM EDT SUNSET 7:50 PM EDT
APRIL 19 2024.........SUNRISE 6:27 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.
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