National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-02-20 05:27 UTC
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208
CDUS41 KLWX 200528
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1227 AM EST MON FEB 20 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 19 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 69 339 PM 71 1997 47 22 43
MINIMUM 50 104 AM 6 2015 27 23 18
AVERAGE 60 37 23 31
PRECIPITATION (IN)
YESTERDAY T 1.34 1972 0.09 -0.09 0.00
MONTH TO DATE 0.25 1.87 -1.62 2.57
SINCE DEC 1 5.34 7.51 -2.17 10.80
SINCE JAN 1 2.98 4.55 -1.57 7.04
SNOWFALL (IN)
YESTERDAY 0.0 13.8 1979 0.3 -0.3
MONTH TO DATE 0.6 5.7 -5.1
SINCE JUL 1 1.6 17.0 -15.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 5 28 -23 34
MONTH TO DATE 443 565 -122 606
SINCE DEC 1 2052 2433 -381 2142
SINCE JUL 1 2779 3349 -570 2892
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 23 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 10.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 300 AM
LOWEST 32 400 PM
AVERAGE 52
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 70 1971
MINIMUM TEMPERATURE (F) 27 -2 1979
SUNRISE AND SUNSET
FEBRUARY 20 2017......SUNRISE 654 AM EST SUNSET 553 PM EST
FEBRUARY 21 2017......SUNRISE 653 AM EST SUNSET 554 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$