National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-11-17 05:23 UTC
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615
CDUS41 KLWX 170523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1223 AM EST TUE NOV 17 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 16 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 61 3:10 PM 74 2001 57 4 47
2005
MINIMUM 38 10:30 PM 14 1967 35 3 34
AVERAGE 50 46 4 41
PRECIPITATION (IN)
YESTERDAY 0.00 1.75 1989 0.12 -0.12 0.00
MONTH TO DATE 2.03 1.80 0.23 0.29
SINCE SEP 1 7.85 8.97 -1.12 6.67
SINCE JAN 1 42.07 36.97 5.10 36.51
SNOWFALL (IN)
YESTERDAY 0.0 T 1980 0.0 0.0 0.0
1995
2014
MONTH TO DATE 0.0 0.1 -0.1 T
SINCE SEP 1 0.0 0.1 -0.1 T
SINCE JUL 1 0.0 0.1 -0.1 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 15 19 -4 24
MONTH TO DATE 161 260 -99 372
SINCE SEP 1 428 614 -186 557
SINCE JUL 1 428 616 -188 557
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 23 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 9.1
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 55 11:00 PM
LOWEST 18 3:00 PM
AVERAGE 37
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 75 1963
MINIMUM TEMPERATURE (F) 35 17 1976
SUNRISE AND SUNSET
NOVEMBER 17 2020......SUNRISE 6:55 AM EST SUNSET 4:54 PM EST
NOVEMBER 18 2020......SUNRISE 6:56 AM EST SUNSET 4:53 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$