779
CDUS41 KLWX 300523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT TUE MAY 30 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 29 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 78 1:22 PM 97 1969 78 0 83
MINIMUM 62 11:59 PM 40 1997 57 5 56
AVERAGE 70 67 3 70
PRECIPITATION (IN)
YESTERDAY 0.38 1.00 1984 0.16 0.22 0.00
MONTH TO DATE 1.42 4.42 -3.00 6.85
SINCE MAR 1 6.29 11.39 -5.10 11.02
SINCE JAN 1 9.92 16.94 -7.02 17.22
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 2 -2 0
MONTH TO DATE 109 112 -3 83
SINCE MAR 1 892 1079 -187 949
SINCE JUL 1 3846 4589 -743 4023
COOLING
YESTERDAY 5 4 1 5
MONTH TO DATE 25 75 -50 89
SINCE MAR 1 70 97 -27 103
SINCE JAN 1 70 97 -27 103
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 6.7
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 3:00 PM
LOWEST 60 1:00 PM
AVERAGE 75
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 95 1987
1991
2006
MINIMUM TEMPERATURE (F) 57 38 1996
SUNRISE AND SUNSET
MAY 30 2023...........SUNRISE 5:47 AM EDT SUNSET 8:28 PM EDT
MAY 31 2023...........SUNRISE 5:47 AM EDT SUNSET 8:29 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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