671
CDUS41 KLWX 210528
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
128 AM EDT SAT OCT 21 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 20 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 64 1:18 PM 83 1969 66 -2 62
2016
MINIMUM 53 11:47 PM 20 1972 44 9 33
AVERAGE 59 55 4 48
PRECIPITATION (IN)
YESTERDAY 0.01 1.44 2019 0.12 -0.11 0.00
MONTH TO DATE 0.53 2.40 -1.87 2.03
SINCE SEP 1 7.18 6.34 0.84 5.31
SINCE JAN 1 26.40 35.56 -9.16 32.81
SNOWFALL (IN)
YESTERDAY 0.0 T 1974 0.0 0.0 0.0
MONTH TO DATE 0.0 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 6 10 -4 17
MONTH TO DATE 121 147 -26 191
SINCE SEP 1 137 192 -55 230
SINCE JUL 1 137 193 -56 230
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 32 19 13 0
SINCE SEP 1 248 171 77 176
SINCE JAN 1 1363 1227 136 1354
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 PM
LOWEST 69 12:00 AM
AVERAGE 81
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 86 1979
MINIMUM TEMPERATURE (F) 43 22 1972
SUNRISE AND SUNSET
OCTOBER 21 2023.......SUNRISE 7:25 AM EDT SUNSET 6:23 PM EDT
OCTOBER 22 2023.......SUNRISE 7:26 AM EDT SUNSET 6:22 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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