National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-04-27 05:30 UTC
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256
CDUS41 KLWX 270532
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
130 AM EDT THU APR 27 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 26 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 73 507 PM 92 2009 70 3 84
1990
MINIMUM 56 706 AM 31 1967 45 11 62
AVERAGE 65 58 7 73
PRECIPITATION (IN)
YESTERDAY T 0.93 2004 0.12 -0.12 T
MONTH TO DATE 3.04 3.00 0.04 1.38
SINCE MAR 1 7.16 6.38 0.78 2.83
SINCE JAN 1 10.60 11.80 -1.20 11.09
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 0 8 -8 0
MONTH TO DATE 179 307 -128 292
SINCE MAR 1 819 954 -135 738
SINCE JUL 1 3712 4544 -832 3829
COOLING
YESTERDAY 0 1 -1 8
MONTH TO DATE 35 14 21 18
SINCE MAR 1 37 17 20 23
SINCE JAN 1 37 17 20 23
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 6.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 700 AM
LOWEST 57 500 PM
AVERAGE 79
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 92 2009
1990
MINIMUM TEMPERATURE (F) 45 31 1987
1972
SUNRISE AND SUNSET
APRIL 27 2017.........SUNRISE 617 AM EDT SUNSET 759 PM EDT
APRIL 28 2017.........SUNRISE 615 AM EDT SUNSET 800 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$