National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-01-15 05:24 UTC
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266
CDUS41 KLWX 150525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1224 AM EST WED JAN 15 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 14 2020...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2020
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 48 724 PM 72 1995 42 6 34
MINIMUM 38 130 AM 5 1970 24 14 15
AVERAGE 43 33 10 25
PRECIPITATION (IN)
YESTERDAY 0.08 1.79 2005 0.09 -0.01 T
MONTH TO DATE 1.45 1.16 0.29 1.13
SINCE DEC 1 4.42 4.12 0.30 6.89
SINCE JAN 1 1.45 1.16 0.29 1.13
SNOWFALL (IN)
YESTERDAY 0.0 0.3 1978 0.2 -0.2
MONTH TO DATE 2.0 2.7 -0.7
SINCE JUL 1 2.6 6.7 -4.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 22 32 -10 40
MONTH TO DATE 313 448 -135 384
SINCE DEC 1 1113 1330 -217 1188
SINCE JUL 1 1976 2246 -270 2146
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 2.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 PM
LOWEST 85 100 AM
AVERAGE 93
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 68 2007
MINIMUM TEMPERATURE (F) 24 -7 1964
SUNRISE AND SUNSET
JANUARY 15 2020.......SUNRISE 727 AM EST SUNSET 511 PM EST
JANUARY 16 2020.......SUNRISE 727 AM EST SUNSET 512 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$