253
CDUS41 KLWX 122126
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
526 PM EDT SUN MAY 12 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 12 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 69 3:36 PM 90 2018 74 -5 87
MINIMUM 48 1:51 AM 34 1969 52 -4 53
AVERAGE 59 63 -4 70
PRECIPITATION (IN)
TODAY 0.05 1.37 1974 0.16 -0.11 0.00
MONTH TO DATE 2.04 1.75 0.29 0.66
SINCE MAR 1 7.67 8.72 -1.05 5.53
SINCE JAN 1 15.12 14.27 0.85 9.16
SNOWFALL (IN)
TODAY 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
TODAY 6 4 2 0
MONTH TO DATE 38 61 -23 84
SINCE MAR 1 717 1028 -311 867
SINCE JUL 1 3681 4538 -857 3831
COOLING
TODAY 0 2 -2 5
MONTH TO DATE 42 20 22 10
SINCE MAR 1 86 42 44 55
SINCE JAN 1 89 42 47 55
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 8.7
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 43 4:00 PM
AVERAGE 68
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 92 2000
MINIMUM TEMPERATURE (F) 52 32 1976
SUNRISE AND SUNSET
MAY 12 2024...........SUNRISE 5:59 AM EDT SUNSET 8:13 PM EDT
MAY 13 2024...........SUNRISE 5:58 AM EDT SUNSET 8:14 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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