National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-04-18 05:37 UTC
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932
CDUS41 KLWX 180537
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
137 AM EDT TUE APR 18 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 17 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 71 511 PM 93 2002 67 4 74
MINIMUM 54 836 PM 27 1983 43 11 38
AVERAGE 63 55 8 56
PRECIPITATION (IN)
YESTERDAY 0.10 1.44 2000 0.11 -0.01 0.00
MONTH TO DATE 1.74 1.99 -0.25 1.19
SINCE MAR 1 5.86 5.37 0.49 2.64
SINCE JAN 1 9.30 10.79 -1.49 10.90
SNOWFALL (IN)
YESTERDAY 0.0 T 1983 0.0 0.0
MONTH TO DATE T 0.3 -0.3
SINCE JUL 1 7.3 22.0 -14.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 2 11 -9 9
MONTH TO DATE 125 223 -98 266
SINCE MAR 1 765 870 -105 712
SINCE JUL 1 3658 4460 -802 3803
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 23 5 18 8
SINCE MAR 1 25 8 17 13
SINCE JAN 1 25 8 17 13
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 5.7
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 90 1100 AM
LOWEST 36 600 PM
AVERAGE 63
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 90 1976
MINIMUM TEMPERATURE (F) 43 30 2014
SUNRISE AND SUNSET
APRIL 18 2017.........SUNRISE 629 AM EDT SUNSET 750 PM EDT
APRIL 19 2017.........SUNRISE 627 AM EDT SUNSET 751 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$