156
CDUS41 KLWX 210523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT SUN MAY 21 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 20 2023
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)
YESTERDAY
MAXIMUM 82 3:24 PM 93 1996 76 6 89
MINIMUM 51 4:50 AM 36 2002 54 -3 60
AVERAGE 67 65 2 75
PRECIPITATION (IN)
YESTERDAY 0.29 1.86 2005 0.16 0.13 0.00
MONTH TO DATE 1.04 2.99 -1.95 4.20
SINCE MAR 1 5.91 9.96 -4.05 8.37
SINCE JAN 1 9.54 15.51 -5.97 14.57
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 3.5
SINCE JUL 1 0.4 21.0 -20.6 15.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 0
MONTH TO DATE 95 90 5 75
SINCE MAR 1 878 1057 -179 941
SINCE JUL 1 3832 4567 -735 4015
COOLING
YESTERDAY 2 3 -1 10
MONTH TO DATE 18 41 -23 45
SINCE MAR 1 63 63 0 59
SINCE JAN 1 63 63 0 59
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 4.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 PM
LOWEST 49 2:00 PM
AVERAGE 71
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 92 1996
2022
MINIMUM TEMPERATURE (F) 55 33 1992
SUNRISE AND SUNSET
MAY 21 2023...........SUNRISE 5:53 AM EDT SUNSET 8:21 PM EDT
MAY 22 2023...........SUNRISE 5:52 AM EDT SUNSET 8:22 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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