552
CDUS41 KLWX 200521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
121 AM EDT FRI OCT 20 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 19 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 73 1:08 PM 87 2016 67 6 57
MINIMUM 40 6:30 AM 25 1976 44 -4 34
AVERAGE 57 55 2 46
PRECIPITATION (IN)
YESTERDAY 0.00 1.36 1966 0.12 -0.12 0.00
MONTH TO DATE 0.52 2.28 -1.76 2.03
SINCE SEP 1 7.17 6.22 0.95 5.31
SINCE JAN 1 26.39 35.44 -9.05 32.81
SNOWFALL (IN)
YESTERDAY 0.0 0.1 1972 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 8 10 -2 19
MONTH TO DATE 115 137 -22 174
SINCE SEP 1 131 182 -51 213
SINCE JUL 1 131 183 -52 213
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 18 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.2
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 44 2:00 PM
AVERAGE 69
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 83 1969
2016
MINIMUM TEMPERATURE (F) 44 20 1972
SUNRISE AND SUNSET
OCTOBER 20 2023.......SUNRISE 7:24 AM EDT SUNSET 6:24 PM EDT
OCTOBER 21 2023.......SUNRISE 7:25 AM EDT SUNSET 6:23 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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