National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-04-20 05:22 UTC
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000
CDUS41 KLWX 200523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT THU APR 20 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 19 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2017
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 62 444 PM 91 2002 68 -6 82
MINIMUM 49 230 AM 27 2001 43 6 47
1990
AVERAGE 56 56 0 65
PRECIPITATION (IN)
YESTERDAY 0.03 1.20 2013 0.11 -0.08 0.00
MONTH TO DATE 1.77 2.20 -0.43 1.19
SINCE MAR 1 5.89 5.58 0.31 2.64
SINCE JAN 1 9.33 11.00 -1.67 10.90
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2002 0.0 0.0
2001
MONTH TO DATE T 0.3 -0.3
SINCE JUL 1 7.3 22.0 -14.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 9 10 -1 0
MONTH TO DATE 138 243 -105 268
SINCE MAR 1 778 890 -112 714
SINCE JUL 1 3671 4480 -809 3805
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 23 7 16 8
SINCE MAR 1 25 10 15 13
SINCE JAN 1 25 10 15 13
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 8.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 700 AM
LOWEST 50 1200 AM
AVERAGE 70
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 88 1985
1976
MINIMUM TEMPERATURE (F) 43 28 1974
SUNRISE AND SUNSET
APRIL 20 2017.........SUNRISE 626 AM EDT SUNSET 752 PM EDT
APRIL 21 2017.........SUNRISE 624 AM EDT SUNSET 753 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$