National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-02-04 05:27 UTC
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316
CDUS41 KLWX 040528
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1227 AM EST TUE FEB 4 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 3 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 67R 316 PM 66 1991 44 23 57
MINIMUM 40 719 AM 1 1965 25 15 22
AVERAGE 54 34 20 40
PRECIPITATION (IN)
YESTERDAY 0.00 1.33 2014 0.10 -0.10 0.00
MONTH TO DATE 0.10 0.30 -0.20 0.07
SINCE DEC 1 6.40 5.94 0.46 9.79
SINCE JAN 1 3.43 2.98 0.45 4.03
SNOWFALL (IN)
YESTERDAY 0.0 3.5 1996 0.4 -0.4
MONTH TO DATE 0.0 1.0 -1.0
SINCE JUL 1 2.9 12.3 -9.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 11 31 -20 25
MONTH TO DATE 60 93 -33 115
SINCE DEC 1 1664 1961 -297 1920
SINCE JUL 1 2527 2877 -350 2878
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 26 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 62 700 AM
LOWEST 29 100 PM
AVERAGE 46
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 70 1991
MINIMUM TEMPERATURE (F) 25 4 1996
1965
SUNRISE AND SUNSET
FEBRUARY 4 2020......SUNRISE 714 AM EST SUNSET 534 PM EST
FEBRUARY 5 2020......SUNRISE 713 AM EST SUNSET 535 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$