National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-04-18 05:26 UTC
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420
CDUS41 KLWX 180526
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
126 AM EDT SAT APR 18 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 17 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 59 5:08 PM 93 2002 67 -8 73
MINIMUM 29 5:47 AM 27 1983 43 -14 54
AVERAGE 44 55 -11 64
PRECIPITATION (IN)
YESTERDAY T 1.44 2000 0.11 -0.11 0.00
MONTH TO DATE 2.79 1.99 0.80 0.97
SINCE MAR 1 4.78 5.37 -0.59 5.52
SINCE JAN 1 11.35 10.79 0.56 12.98
SNOWFALL (IN)
YESTERDAY 0.0 T 1983 0.0 0.0 0.0
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 21 11 10 1
MONTH TO DATE 211 223 -12 157
SINCE MAR 1 659 870 -211 841
SINCE JUL 1 3803 4460 -657 4346
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 5 -5 12
SINCE MAR 1 3 8 -5 12
SINCE JAN 1 3 8 -5 12
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 6:00 AM
LOWEST 38 12:00 PM
AVERAGE 63
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 90 1976
MINIMUM TEMPERATURE (F) 43 29 2018
SUNRISE AND SUNSET
APRIL 18 2020.........SUNRISE 6:28 AM EDT SUNSET 7:50 PM EDT
APRIL 19 2020.........SUNRISE 6:27 AM EDT SUNSET 7:51 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$