National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-12-23 05:30 UTC
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571
CDUS41 KLWX 230530
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1230 AM EST FRI DEC 23 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 22 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 53 7:25 PM 71 2013 45 8 49
MINIMUM 29 1:03 AM 2 1989 28 1 28
AVERAGE 41 36 5 39
PRECIPITATION (IN)
YESTERDAY 2.14R 1.12 2011 0.10 2.04 0.00
MONTH TO DATE 4.48 2.43 2.05 0.05
SINCE DEC 1 4.48 2.43 2.05 0.05
SINCE JAN 1 40.29 42.37 -2.08 34.55
SNOWFALL (IN)
YESTERDAY T 3.3 1962 0.1 -0.1 0.0
MONTH TO DATE T 1.8 -1.8 0.0
SINCE DEC 1 T 1.8 -1.8 0.0
SINCE JUL 1 T 2.1 -2.1 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 24 29 -5 26
MONTH TO DATE 575 580 -5 460
SINCE DEC 1 575 580 -5 460
SINCE JUL 1 1409 1480 -71 1186
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 14 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 8:00 PM
LOWEST 72 12:00 AM
AVERAGE 85
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 68 1990
MINIMUM TEMPERATURE (F) 28 4 1989
SUNRISE AND SUNSET
DECEMBER 23 2022......SUNRISE 7:26 AM EST SUNSET 4:52 PM EST
DECEMBER 24 2022......SUNRISE 7:26 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.
$$