292
CDUS41 KLWX 180523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT SAT MAY 18 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 17 2024
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)
YESTERDAY
MAXIMUM 71 12:55 PM 93 1960 75 -4 75
MINIMUM 59 3:53 AM 30 1984 53 6 53
AVERAGE 65 64 1 64
PRECIPITATION (IN)
YESTERDAY T 1.22 1970 0.16 -0.16 0.00
MONTH TO DATE 2.47 2.53 -0.06 0.75
SINCE MAR 1 8.10 9.50 -1.40 5.62
SINCE JAN 1 15.55 15.05 0.50 9.25
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 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
YESTERDAY 0 4 -4 1
MONTH TO DATE 45 81 -36 85
SINCE MAR 1 724 1048 -324 868
SINCE JUL 1 3688 4558 -870 3832
COOLING
YESTERDAY 0 3 -3 0
MONTH TO DATE 44 32 12 16
SINCE MAR 1 88 54 34 61
SINCE JAN 1 91 54 37 61
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WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 4.6
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 4:00 AM
LOWEST 63 11:00 AM
AVERAGE 77
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 91 1987
MINIMUM TEMPERATURE (F) 54 33 1973
SUNRISE AND SUNSET
MAY 18 2024...........SUNRISE 5:54 AM EDT SUNSET 8:19 PM EDT
MAY 19 2024...........SUNRISE 5:53 AM EDT SUNSET 8:20 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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