National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-04-04 05:28 UTC
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618
CDUS41 KLWX 040530
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
128 AM EDT TUE APR 4 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 3 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 67 1215 PM 86 1981 62 5 53
MINIMUM 42 252 AM 23 1991 38 4 34
AVERAGE 55 50 5 44
PRECIPITATION (IN)
YESTERDAY 0.04 0.70 2008 0.13 -0.09 T
MONTH TO DATE 0.06 0.37 -0.31 0.11
SINCE MAR 1 4.18 3.75 0.43 1.56
SINCE JAN 1 7.62 9.17 -1.55 9.82
SNOWFALL (IN)
YESTERDAY 0.0 T 2016 0.1 -0.1
2008
1987
MONTH TO DATE 0.0 0.1 -0.1
SINCE JUL 1 7.3 21.8 -14.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 10 15 -5 21
MONTH TO DATE 39 46 -7 32
SINCE MAR 1 679 693 -14 478
SINCE JUL 1 3572 4283 -711 3569
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 8
SINCE MAR 1 2 3 -1 13
SINCE JAN 1 2 3 -1 13
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 10.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1000 PM
LOWEST 45 400 PM
AVERAGE 69
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 85 2011
MINIMUM TEMPERATURE (F) 39 22 2013
1965
SUNRISE AND SUNSET
APRIL 4 2017.........SUNRISE 649 AM EDT SUNSET 737 PM EDT
APRIL 5 2017.........SUNRISE 648 AM EDT SUNSET 738 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$