401
CDUS41 KLWX 090523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT TUE MAY 09 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 8 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 84 4:40 PM 90 2000 73 11 57
MINIMUM 55 4:06 AM 29 1974 51 4 39
AVERAGE 70 62 8 48
PRECIPITATION (IN)
YESTERDAY T 2.10 1960 0.15 -0.15 T
MONTH TO DATE 0.52 1.14 -0.62 3.50
SINCE MAR 1 5.39 8.11 -2.72 7.67
SINCE JAN 1 9.02 13.66 -4.64 13.87
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 5 -5 17
MONTH TO DATE 69 44 25 53
SINCE MAR 1 852 1011 -159 919
SINCE JUL 1 3806 4521 -715 3993
COOLING
YESTERDAY 5 2 3 0
MONTH TO DATE 5 12 -7 5
SINCE MAR 1 50 34 16 19
SINCE JAN 1 50 34 16 19
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 12:00 AM
LOWEST 38 6:00 PM
AVERAGE 68
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 91 1963
MINIMUM TEMPERATURE (F) 51 30 1976
SUNRISE AND SUNSET
MAY 9 2023...........SUNRISE 6:03 AM EDT SUNSET 8:10 PM EDT
MAY 10 2023...........SUNRISE 6:02 AM EDT SUNSET 8:11 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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