National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-01-23 05:22 UTC
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576
CDUS41 KLWX 230524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1222 AM EST MON JAN 23 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 22 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 50 1159 PM 68 1986 43 7 28
MINIMUM 46 937 AM -18 1984 24 22 14
AVERAGE 48 33 15 21
PRECIPITATION (IN)
YESTERDAY 0.07 1.18 1987 0.09 -0.02 0.75
MONTH TO DATE 1.90 1.86 0.04 2.57
SINCE DEC 1 4.26 4.82 -0.56 6.33
SINCE JAN 1 1.90 1.86 0.04 2.57
SNOWFALL (IN)
YESTERDAY 0.0 11.1 1987 0.3 -0.3
MONTH TO DATE 0.7 4.8 -4.1
SINCE JUL 1 0.7 8.8 -8.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 17 32 -15 44
MONTH TO DATE 568 704 -136 723
SINCE DEC 1 1391 1586 -195 1226
SINCE JUL 1 2118 2502 -384 1976
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 16 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 6.8
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 100 300 AM
LOWEST 86 1200 PM
AVERAGE 93
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 72 1967
MINIMUM TEMPERATURE (F) 24 -4 1978
1970
SUNRISE AND SUNSET
JANUARY 23 2017.......SUNRISE 723 AM EST SUNSET 521 PM EST
JANUARY 24 2017.......SUNRISE 722 AM EST SUNSET 522 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$