National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-12-12 05:32 UTC
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720
CDUS41 KLWX 120532
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1232 AM EST MON DEC 12 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 11 2022...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2022
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 49 3:37 PM 71 1979 48 1 68
MINIMUM 33 10:47 PM 3 1968 30 3 46
AVERAGE 41 39 2 57
PRECIPITATION (IN)
YESTERDAY T 1.34 2008 0.12 -0.12 0.05
MONTH TO DATE 0.40 1.26 -0.86 0.05
SINCE DEC 1 0.40 1.26 -0.86 0.05
SINCE JAN 1 36.21 41.20 -4.99 34.55
SNOWFALL (IN)
YESTERDAY 0.0 0.5 1962 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.8 -0.8 0.0
SINCE DEC 1 0.0 0.8 -0.8 0.0
SINCE JUL 1 T 1.1 -1.1 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 24 26 -2 8
MONTH TO DATE 258 276 -18 219
SINCE DEC 1 258 276 -18 219
SINCE JUL 1 1092 1176 -84 945
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1376 1231 145 1480
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 3.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 10:00 PM
LOWEST 70 12:00 AM
AVERAGE 83
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 72 1979
MINIMUM TEMPERATURE (F) 30 9 1988
SUNRISE AND SUNSET
DECEMBER 12 2022......SUNRISE 7:19 AM EST SUNSET 4:48 PM EST
DECEMBER 13 2022......SUNRISE 7:20 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.
$$