426
CDUS41 KLWX 172130
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
530 PM EDT TUE OCT 17 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 17 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 63 11:47 AM 84 2016 67 -4 72
MINIMUM 50 6:37 AM 31 1981 45 5 50
1982
AVERAGE 57 56 1 61
PRECIPITATION (IN)
TODAY 0.00 1.11 1975 0.11 -0.11 0.00
MONTH TO DATE 0.52 2.04 -1.52 2.03
SINCE SEP 1 7.17 5.98 1.19 5.31
SINCE JAN 1 26.39 35.20 -8.81 32.81
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 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
TODAY 8 9 -1 4
MONTH TO DATE 95 117 -22 134
SINCE SEP 1 111 162 -51 173
SINCE JUL 1 111 163 -52 173
COOLING
TODAY 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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 8.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 7:00 AM
LOWEST 53 12:00 PM
AVERAGE 67
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 85 2016
MINIMUM TEMPERATURE (F) 44 27 1976
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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