National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-01-13 20:51 UTC
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114
CDUS41 KLWX 132051 CCA
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
351 PM EST FRI JAN 13 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 12 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 70R 352 PM 63 1995 42 28 45
MINIMUM 49 1233 AM -4 1977 24 25 23
AVERAGE 60 33 27 34
PRECIPITATION (IN)
YESTERDAY 0.02 0.75 1964 0.09 -0.07 0.01
MONTH TO DATE 1.37 0.99 0.38 1.28
SINCE DEC 1 3.73 3.95 -0.22 5.04
SINCE JAN 1 1.37 0.99 0.38 1.28
SNOWFALL (IN)
YESTERDAY 0.0 6.1 1996 0.2 -0.2
MONTH TO DATE 0.7 2.2 -1.5
SINCE JUL 1 0.7 6.2 -5.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 5 32 -27 31
MONTH TO DATE 361 384 -23 361
SINCE DEC 1 1184 1266 -82 864
SINCE JUL 1 1911 2182 -271 1614
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 26 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 17.1
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 89 300 AM
LOWEST 51 200 PM
AVERAGE 70
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 69 2005
MINIMUM TEMPERATURE (F) 24 -3 1981
1977
SUNRISE AND SUNSET
JANUARY 13 2017.......SUNRISE 728 AM EST SUNSET 510 PM EST
JANUARY 14 2017.......SUNRISE 727 AM EST SUNSET 511 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
...CORRECTED FOR MISSING SNOWFALL...