National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-01-19 05:22 UTC
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319
CDUS41 KLWX 190522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1222 AM EST THU JAN 19 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 18 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 57 126 PM 70 1990 42 15 32
MINIMUM 41 713 AM -1 1994 24 17 14
AVERAGE 49 33 16 23
PRECIPITATION (IN)
YESTERDAY 0.00 1.18 1980 0.08 -0.08 T
MONTH TO DATE 1.80 1.50 0.30 1.82
SINCE DEC 1 4.16 4.46 -0.30 5.58
SINCE JAN 1 1.80 1.50 0.30 1.82
SNOWFALL (IN)
YESTERDAY 0.0 4.2 1984 0.2 -0.2
MONTH TO DATE 0.7 3.7 -3.0
SINCE JUL 1 0.7 7.7 -7.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 16 32 -16 42
MONTH TO DATE 487 576 -89 552
SINCE DEC 1 1310 1458 -148 1055
SINCE JUL 1 2037 2374 -337 1805
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 28 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 54 100 PM
AVERAGE 77
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 65 1972
MINIMUM TEMPERATURE (F) 24 -6 1994
SUNRISE AND SUNSET
JANUARY 19 2017.......SUNRISE 725 AM EST SUNSET 517 PM EST
JANUARY 20 2017.......SUNRISE 725 AM EST SUNSET 518 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$