National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-12-06 05:25 UTC
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121
CDUS41 KLWX 060525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1225 AM EST SUN DEC 06 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 5 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 48 12:38 PM 77 2001 49 -1 46
MINIMUM 41 11:59 PM 12 1966 30 11 30
AVERAGE 45 40 5 38
PRECIPITATION (IN)
YESTERDAY 0.59 1.02 2003 0.11 0.48 0.01
MONTH TO DATE 0.99 0.55 0.44 0.46
SINCE DEC 1 0.99 0.55 0.44 0.46
SINCE JAN 1 44.64 39.13 5.51 38.30
SNOWFALL (IN)
YESTERDAY 0.0 6.2 2002 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.4 -0.4 T
SINCE DEC 1 0.0 0.4 -0.4 T
SINCE JUL 1 0.0 0.9 -0.9 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 20 26 -6 27
MONTH TO DATE 110 124 -14 126
SINCE DEC 1 110 124 -14 126
SINCE JUL 1 777 1040 -263 989
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1406 1178 228 1524
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 14.9
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 12:00 AM
LOWEST 47 4:00 PM
AVERAGE 72
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 79 1998
MINIMUM TEMPERATURE (F) 29 9 2002
SUNRISE AND SUNSET
DECEMBER 6 2020......SUNRISE 7:15 AM EST SUNSET 4:47 PM EST
DECEMBER 7 2020......SUNRISE 7:15 AM EST SUNSET 4:47 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$