National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-11-22 05:22 UTC
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660
CDUS41 KLWX 220522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1222 AM EST SUN NOV 22 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 21 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 67 1:36 PM 76 2007 55 12 54
MINIMUM 40 3:12 AM 16 1969 34 6 30
AVERAGE 54 45 9 42
PRECIPITATION (IN)
YESTERDAY T 0.83 2005 0.12 -0.12 T
MONTH TO DATE 2.03 2.38 -0.35 0.42
SINCE SEP 1 7.85 9.55 -1.70 6.80
SINCE JAN 1 42.07 37.55 4.52 36.64
SNOWFALL (IN)
YESTERDAY 0.0 0.2 1987 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.2 -0.2 T
SINCE SEP 1 0.0 0.2 -0.2 T
SINCE JUL 1 0.0 0.2 -0.2 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 11 20 -9 23
MONTH TO DATE 263 358 -95 481
SINCE SEP 1 530 712 -182 666
SINCE JUL 1 530 714 -184 666
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 0 1 0
SINCE SEP 1 154 160 -6 289
SINCE JAN 1 1406 1176 230 1524
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 3.3
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 4:00 AM
LOWEST 54 1:00 PM
AVERAGE 68
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 75 2007
MINIMUM TEMPERATURE (F) 34 14 1964
2014
SUNRISE AND SUNSET
NOVEMBER 22 2020......SUNRISE 7:01 AM EST SUNSET 4:51 PM EST
NOVEMBER 23 2020......SUNRISE 7:02 AM EST SUNSET 4:51 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$