National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-11-09 05:22 UTC
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824
CDUS41 KLWX 090522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1222 AM EST THU NOV 9 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 8 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2017
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 48 256 PM 77 1987 61 -13 69
1975
MINIMUM 39 554 AM 18 1967 37 2 28
AVERAGE 44 49 -5 49
PRECIPITATION (IN)
YESTERDAY 0.00 2.14 1996 0.11 -0.11 0.00
MONTH TO DATE 1.62 0.93 0.69 T
SINCE SEP 1 6.52 8.10 -1.58 3.20
SINCE JAN 1 39.52 36.10 3.42 31.20
SNOWFALL (IN)
YESTERDAY 0.0 T 1995 0.0 0.0
1976
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 T 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 21 16 5 16
MONTH TO DATE 90 120 -30 91
SINCE SEP 1 310 474 -164 302
SINCE JUL 1 311 476 -165 302
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 0 1 2
SINCE SEP 1 220 160 60 296
SINCE JAN 1 1281 1176 105 1559
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 9.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 1200 AM
LOWEST 71 200 PM
AVERAGE 82
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 78 1994
MINIMUM TEMPERATURE (F) 37 19 1976
1971
1967
SUNRISE AND SUNSET
NOVEMBER 9 2017......SUNRISE 646 AM EST SUNSET 501 PM EST
NOVEMBER 10 2017......SUNRISE 647 AM EST SUNSET 500 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$