National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-01-10 05:23 UTC
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265
CDUS41 KLWX 100524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1223 AM EST TUE JAN 10 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 9 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 27 228 PM 64 2008 42 -15 50
MINIMUM 7 207 AM -8 1970 24 -17 40
AVERAGE 17 33 -16 45
PRECIPITATION (IN)
YESTERDAY 0.00 1.39 1964 0.08 -0.08 0.24
MONTH TO DATE 1.26 0.73 0.53 0.27
SINCE DEC 1 3.62 3.69 -0.07 4.03
SINCE JAN 1 1.26 0.73 0.53 0.27
SNOWFALL (IN)
YESTERDAY 0.0 3.5 1997 0.2 -0.2
MONTH TO DATE 0.7 1.6 -0.9
SINCE JUL 1 0.7 5.6 -4.9
SNOW DEPTH T
DEGREE DAYS
HEATING
YESTERDAY 48 32 16 20
MONTH TO DATE 302 288 14 278
SINCE DEC 1 1125 1170 -45 781
SINCE JUL 1 1852 2086 -234 1531
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 20 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 5.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 700 AM
LOWEST 35 100 PM
AVERAGE 53
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 59 2016
MINIMUM TEMPERATURE (F) 24 0 1982
SUNRISE AND SUNSET
JANUARY 10 2017.......SUNRISE 728 AM EST SUNSET 507 PM EST
JANUARY 11 2017.......SUNRISE 728 AM EST SUNSET 508 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$