National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-05-07 05:21 UTC
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015
CDUS41 KLWX 070521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
121 AM EDT THU MAY 07 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 6 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 57 12:10 PM 90 1986 73 -16 77
MINIMUM 46 11:59 PM 36 1968 48 -2 57
AVERAGE 52 60 -8 67
PRECIPITATION (IN)
YESTERDAY 0.27 0.92 2016 0.13 0.14 0.00
MONTH TO DATE 1.41 0.79 0.62 2.20
SINCE MAR 1 8.96 7.64 1.32 9.57
SINCE JAN 1 15.53 13.06 2.47 17.03
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 MAR 1 T 3.1 -3.1 1.6
SINCE JUL 1 2.9 22.0 -19.1 26.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 13 6 7 0
MONTH TO DATE 40 39 1 5
SINCE MAR 1 870 1021 -151 887
SINCE JUL 1 4014 4611 -597 4392
COOLING
YESTERDAY 0 1 -1 2
MONTH TO DATE 4 6 -2 17
SINCE MAR 1 7 26 -19 39
SINCE JAN 1 7 26 -19 39
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 10.1
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 6:00 AM
LOWEST 52 4:00 PM
AVERAGE 75
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 90 1986
2000
MINIMUM TEMPERATURE (F) 48 28 1970
SUNRISE AND SUNSET
MAY 7 2020...........SUNRISE 6:04 AM EDT SUNSET 8:09 PM EDT
MAY 8 2020...........SUNRISE 6:03 AM EDT SUNSET 8:10 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$