National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-10-11 05:23 UTC
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827
CDUS41 KLWX 110523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT SUN OCT 11 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 10 2020...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1960 TO 2020
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 74 12:25 PM 87 2017 70 4 75
MINIMUM 55 5:41 AM 31 1972 46 9 52
1978
AVERAGE 65 58 7 64
PRECIPITATION (IN)
YESTERDAY 0.00 2.22 2013 0.11 -0.11 0.00
MONTH TO DATE 0.15 1.06 -0.91 0.10
SINCE SEP 1 2.43 4.98 -2.55 0.51
SINCE JAN 1 36.65 32.98 3.67 30.35
SNOWFALL (IN)
YESTERDAY 0.0 1.3 1979 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 8 -8 1
MONTH TO DATE 66 66 0 15
SINCE SEP 1 127 122 5 20
SINCE JUL 1 127 124 3 20
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 1 12 -11 48
SINCE SEP 1 136 153 -17 286
SINCE JAN 1 1388 1169 219 1521
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 8.1
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 6:00 AM
LOWEST 68 12:00 PM
AVERAGE 79
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 86 2010
MINIMUM TEMPERATURE (F) 45 28 1972
SUNRISE AND SUNSET
OCTOBER 11 2020.......SUNRISE 7:16 AM EDT SUNSET 6:36 PM EDT
OCTOBER 12 2020.......SUNRISE 7:17 AM EDT SUNSET 6:35 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$