National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-10-25 05:22 UTC
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139
CDUS41 KLWX 250522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT SUN OCT 25 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 24 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 75 12:56 PM 84 2001 66 9 70
MINIMUM 55 11:59 PM 15 1969 41 14 35
AVERAGE 65 53 12 53
PRECIPITATION (IN)
YESTERDAY T 1.69 2009 0.11 -0.11 0.00
MONTH TO DATE 1.33 2.50 -1.17 2.96
SINCE SEP 1 3.61 6.42 -2.81 3.37
SINCE JAN 1 37.83 34.42 3.41 33.21
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 0 12 -12 12
MONTH TO DATE 128 207 -79 147
SINCE SEP 1 189 263 -74 152
SINCE JUL 1 189 265 -76 152
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 17 16 1 48
SINCE SEP 1 152 157 -5 286
SINCE JAN 1 1404 1173 231 1521
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 4:00 AM
LOWEST 57 10:00 PM
AVERAGE 77
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 77 1963
MINIMUM TEMPERATURE (F) 41 27 1969
SUNRISE AND SUNSET
OCTOBER 25 2020.......SUNRISE 7:30 AM EDT SUNSET 6:17 PM EDT
OCTOBER 26 2020.......SUNRISE 7:31 AM EDT SUNSET 6:16 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$