795
CDUS41 KLWX 102127
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
527 PM EDT WED MAY 10 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 10 2023
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 71 3:59 PM 90 1963 74 -3 75
MINIMUM 44 5:05 AM 31 1966 51 -7 44
1983
AVERAGE 58 62 -4 60
PRECIPITATION (IN)
TODAY 0.00 1.61 1990 0.15 -0.15 0.00
MONTH TO DATE 0.66 1.44 -0.78 3.50
SINCE MAR 1 5.53 8.41 -2.88 7.67
SINCE JAN 1 9.16 13.96 -4.80 13.87
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 3.5
SINCE JUL 1 0.4 21.0 -20.6 15.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 7 4 3 5
MONTH TO DATE 82 53 29 69
SINCE MAR 1 865 1020 -155 935
SINCE JUL 1 3819 4530 -711 4009
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 5 16 -11 5
SINCE MAR 1 50 38 12 19
SINCE JAN 1 50 38 12 19
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 4.4
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 AM
LOWEST 36 1:00 PM
AVERAGE 65
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 90 1993
MINIMUM TEMPERATURE (F) 52 29 1966
SUNRISE AND SUNSET
MAY 10 2023...........SUNRISE 6:02 AM EDT SUNSET 8:11 PM EDT
MAY 11 2023...........SUNRISE 6:01 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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