506
CDUS41 KLWX 202128
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
528 PM EDT FRI OCT 20 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 20 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 64 1:18 PM 83 1969 66 -2 62
2016
MINIMUM 55 6:49 AM 20 1972 44 11 33
AVERAGE 60 55 5 48
PRECIPITATION (IN)
TODAY 0.01 1.44 2019 0.12 -0.11 0.00
MONTH TO DATE 0.53 2.40 -1.87 2.03
SINCE SEP 1 7.18 6.34 0.84 5.31
SINCE JAN 1 26.40 35.56 -9.16 32.81
SNOWFALL (IN)
TODAY 0.0 T 1974 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 T 0.0 0.0 0.0
SINCE JUL 1 T 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 5 10 -5 17
MONTH TO DATE 120 147 -27 191
SINCE SEP 1 136 192 -56 230
SINCE JUL 1 136 193 -57 230
COOLING
TODAY 0 0 0 0
MONTH TO DATE 32 19 13 0
SINCE SEP 1 248 171 77 176
SINCE JAN 1 1363 1227 136 1354
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 8.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 6:00 AM
LOWEST 69 12:00 AM
AVERAGE 79
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 86 1979
MINIMUM TEMPERATURE (F) 43 22 1972
SUNRISE AND SUNSET
OCTOBER 20 2023.......SUNRISE 7:24 AM EDT SUNSET 6:24 PM EDT
OCTOBER 21 2023.......SUNRISE 7:25 AM EDT SUNSET 6:23 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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