147
CDUS41 KLWX 100549
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
149 AM EDT FRI MAY 10 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 9 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 74 2:57 PM 91 1963 74 0 68
MINIMUM 60 2:13 AM 30 1976 51 9 49
AVERAGE 67 62 5 59
PRECIPITATION (IN)
YESTERDAY 0.02 0.93 1974 0.15 -0.13 0.14
MONTH TO DATE 1.52 1.29 0.23 0.66
SINCE MAR 1 7.15 8.26 -1.11 5.53
SINCE JAN 1 14.60 13.81 0.79 9.16
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 5 -5 6
MONTH TO DATE 15 49 -34 75
SINCE MAR 1 694 1016 -322 858
SINCE JUL 1 3658 4526 -868 3822
COOLING
YESTERDAY 2 2 0 0
MONTH TO DATE 42 14 28 5
SINCE MAR 1 86 36 50 50
SINCE JAN 1 89 36 53 50
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 6.2
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 9:00 PM
LOWEST 53 10:00 AM
AVERAGE 67
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 90 1963
MINIMUM TEMPERATURE (F) 51 31 1966
1983
SUNRISE AND SUNSET
MAY 10 2024...........SUNRISE 6:01 AM EDT SUNSET 8:12 PM EDT
MAY 11 2024...........SUNRISE 6:00 AM EDT SUNSET 8:12 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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