National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-10-04 05:21 UTC
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426
CDUS41 KLWX 040521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
121 AM EDT SUN OCT 04 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 3 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 67 2:24 PM 86 2002 73 -6 82
2007
2018
MINIMUM 40 6:27 AM 30 1974 49 -9 72
2003
AVERAGE 54 61 -7 77
PRECIPITATION (IN)
YESTERDAY 0.00 0.86 1987 0.10 -0.10 0.00
MONTH TO DATE 0.09 0.31 -0.22 0.00
SINCE SEP 1 2.37 4.23 -1.86 0.41
SINCE JAN 1 36.59 32.23 4.36 30.25
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 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 11 6 5 0
MONTH TO DATE 23 17 6 0
SINCE SEP 1 84 73 11 5
SINCE JUL 1 84 75 9 5
COOLING
YESTERDAY 0 1 -1 12
MONTH TO DATE 0 5 -5 42
SINCE SEP 1 135 146 -11 280
SINCE JAN 1 1387 1162 225 1515
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 2.9
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 37 1:00 PM
AVERAGE 65
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 90 2013
MINIMUM TEMPERATURE (F) 48 26 1974
SUNRISE AND SUNSET
OCTOBER 4 2020.......SUNRISE 7:09 AM EDT SUNSET 6:47 PM EDT
OCTOBER 5 2020.......SUNRISE 7:10 AM EDT SUNSET 6:45 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$