798
CDUS41 KLWX 170535
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
135 AM EDT TUE OCT 17 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 16 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 63 3:11 PM 85 1989 68 -5 73
MINIMUM 43 6:22 AM 30 1986 45 -2 48
AVERAGE 53 56 -3 61
PRECIPITATION (IN)
YESTERDAY T 1.10 2002 0.12 -0.12 T
MONTH TO DATE 0.52 1.93 -1.41 2.03
SINCE SEP 1 7.17 5.87 1.30 5.31
SINCE JAN 1 26.39 35.09 -8.70 32.81
SNOWFALL (IN)
YESTERDAY 0.0 T 1977 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 12 9 3 4
MONTH TO DATE 87 108 -21 130
SINCE SEP 1 103 153 -50 169
SINCE JUL 1 103 154 -51 169
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 W (290)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 8.7
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 7:00 AM
LOWEST 49 12:00 PM
AVERAGE 69
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 84 2016
MINIMUM TEMPERATURE (F) 45 31 1981
1982
SUNRISE AND SUNSET
OCTOBER 17 2023.......SUNRISE 7:21 AM EDT SUNSET 6:29 PM EDT
OCTOBER 18 2023.......SUNRISE 7:22 AM EDT SUNSET 6:27 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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