National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-12-01 05:29 UTC
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688
CDUS41 KLWX 010529
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1229 AM EST TUE DEC 01 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 30 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 62 12:13 PM 72 1991 51 11 44
MINIMUM 47 11:59 PM 11 1976 31 16 38
AVERAGE 55 41 14 41
PRECIPITATION (IN)
YESTERDAY 1.38R 1.31 2016 0.12 1.26 0.00
MONTH TO DATE 3.61 3.41 0.20 1.62
SINCE SEP 1 9.43 10.58 -1.15 8.00
SINCE JAN 1 43.65 38.58 5.07 37.84
SNOWFALL (IN)
YESTERDAY 0.0 11.4 1967 0.0 0.0 0.0
MONTH TO DATE 0.0 0.5 -0.5 T
SINCE SEP 1 0.0 0.5 -0.5 T
SINCE JUL 1 0.0 0.5 -0.5 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 10 24 -14 24
MONTH TO DATE 400 559 -159 678
SINCE SEP 1 667 913 -246 863
SINCE JUL 1 667 915 -248 863
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 2 -1 0
SINCE SEP 1 154 162 -8 289
SINCE JAN 1 1406 1178 228 1524
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 10:00 AM
LOWEST 63 11:00 PM
AVERAGE 80
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 51 75 2006
MINIMUM TEMPERATURE (F) 31 4 1967
SUNRISE AND SUNSET
DECEMBER 1 2020......SUNRISE 7:10 AM EST SUNSET 4:48 PM EST
DECEMBER 2 2020......SUNRISE 7:11 AM EST SUNSET 4:48 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$