National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-04-20 05:22 UTC
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708
CDUS41 KLWX 200522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT MON APR 20 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 19 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 65 5:29 PM 91 2002 68 -3 74
MINIMUM 30 5:13 AM 27 1990 43 -13 64
2001
AVERAGE 48 56 -8 69
PRECIPITATION (IN)
YESTERDAY 0.00 1.26 2019 0.11 -0.11 1.26
MONTH TO DATE 2.85 2.20 0.65 2.23
SINCE MAR 1 4.84 5.58 -0.74 6.78
SINCE JAN 1 11.41 11.00 0.41 14.24
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0
2002
MONTH TO DATE T 0.3 -0.3 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 17 10 7 0
MONTH TO DATE 249 243 6 157
SINCE MAR 1 697 890 -193 841
SINCE JUL 1 3841 4480 -639 4346
COOLING
YESTERDAY 0 1 -1 4
MONTH TO DATE 0 7 -7 18
SINCE MAR 1 3 10 -7 18
SINCE JAN 1 3 10 -7 18
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 6:00 AM
LOWEST 34 1:00 PM
AVERAGE 61
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 88 1976
1985
MINIMUM TEMPERATURE (F) 43 28 1974
SUNRISE AND SUNSET
APRIL 20 2020.........SUNRISE 6:25 AM EDT SUNSET 7:52 PM EDT
APRIL 21 2020.........SUNRISE 6:24 AM EDT SUNSET 7:53 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$