National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-02-22 05:24 UTC
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576
CDUS41 KLWX 220525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1224 AM EST WED FEB 22 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 21 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 57 225 PM 70 1997 48 9 56
MINIMUM 35 613 AM 7 1972 27 8 44
1968
AVERAGE 46 37 9 50
PRECIPITATION (IN)
YESTERDAY 0.00 0.93 2015 0.10 -0.10 0.08
MONTH TO DATE 0.25 2.07 -1.82 2.65
SINCE DEC 1 5.34 7.71 -2.37 10.88
SINCE JAN 1 2.98 4.75 -1.77 7.12
SNOWFALL (IN)
YESTERDAY 0.0 8.9 2015 0.2 -0.2
MONTH TO DATE 0.6 6.1 -5.5
SINCE JUL 1 1.6 17.4 -15.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 19 28 -9 15
MONTH TO DATE 474 621 -147 631
SINCE DEC 1 2083 2489 -406 2167
SINCE JUL 1 2810 3405 -595 2917
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 2
SINCE JAN 1 0 0 0 0
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 400 AM
LOWEST 33 200 PM
AVERAGE 52
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 71 1991
MINIMUM TEMPERATURE (F) 27 4 1968
SUNRISE AND SUNSET
FEBRUARY 22 2017......SUNRISE 652 AM EST SUNSET 555 PM EST
FEBRUARY 23 2017......SUNRISE 650 AM EST SUNSET 556 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$