National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-04-29 05:34 UTC
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396
CDUS41 KLWX 290535
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
134 AM EDT SAT APR 29 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 28 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 84 402 PM 88 1990 71 13 54
1983
1981
MINIMUM 57 535 AM 32 1993 46 11 47
1972
AVERAGE 71 58 13 51
PRECIPITATION (IN)
YESTERDAY 0.00 1.68 2002 0.12 -0.12 0.42
MONTH TO DATE 3.04 3.24 -0.20 1.82
SINCE MAR 1 7.16 6.62 0.54 3.27
SINCE JAN 1 10.60 12.04 -1.44 11.53
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 14
MONTH TO DATE 179 323 -144 310
SINCE MAR 1 819 970 -151 756
SINCE JUL 1 3712 4560 -848 3847
COOLING
YESTERDAY 6 1 5 0
MONTH TO DATE 44 16 28 18
SINCE MAR 1 46 19 27 23
SINCE JAN 1 46 19 27 23
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 5.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 600 AM
LOWEST 43 200 PM
AVERAGE 72
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 87 1996
1974
MINIMUM TEMPERATURE (F) 46 32 1987
SUNRISE AND SUNSET
APRIL 29 2017.........SUNRISE 614 AM EDT SUNSET 801 PM EDT
APRIL 30 2017.........SUNRISE 613 AM EDT SUNSET 802 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$