103
CDUS41 KLWX 010530
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
130 AM EDT SUN OCT 01 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 30 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 80 3:41 PM 92 1986 74 6 61
MINIMUM 59 11:59 PM 35 1993 52 7 51
AVERAGE 70 63 7 56
PRECIPITATION (IN)
YESTERDAY 0.00 4.74 2010 0.15 -0.15 0.47
MONTH TO DATE 6.65 3.94 2.71 3.28
SINCE SEP 1 6.65 3.94 2.71 3.28
SINCE JAN 1 25.87 33.16 -7.29 30.78
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE T 0.0 0.0 0.0
SINCE SEP 1 T 0.0 0.0 0.0
SINCE JUL 1 T 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 9
MONTH TO DATE 16 43 -27 39
SINCE SEP 1 16 43 -27 39
SINCE JUL 1 16 44 -28 39
COOLING
YESTERDAY 5 2 3 0
MONTH TO DATE 216 152 64 176
SINCE SEP 1 216 152 64 176
SINCE JAN 1 1331 1208 123 1354
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 11:00 PM
LOWEST 50 4:00 PM
AVERAGE 70
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 90 1986
MINIMUM TEMPERATURE (F) 52 31 1993
SUNRISE AND SUNSET
OCTOBER 1 2023.......SUNRISE 7:06 AM EDT SUNSET 6:53 PM EDT
OCTOBER 2 2023.......SUNRISE 7:06 AM EDT SUNSET 6:51 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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