National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-12-24 05:23 UTC
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645
CDUS41 KLWX 240523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1223 AM EST SAT DEC 24 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 23 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 45 3:27 AM 68 1990 45 0 43
MINIMUM 10 11:59 PM 4 1989 28 -18 20
AVERAGE 28 36 -8 32
PRECIPITATION (IN)
YESTERDAY 0.22 1.30 2004 0.11 0.11 0.00
MONTH TO DATE 4.70 2.54 2.16 0.05
SINCE DEC 1 4.70 2.54 2.16 0.05
SINCE JAN 1 40.51 42.48 -1.97 34.55
SNOWFALL (IN)
YESTERDAY T 7.5 1963 0.1 -0.1 0.0
MONTH TO DATE T 1.9 -1.9 0.0
SINCE DEC 1 T 1.9 -1.9 0.0
SINCE JUL 1 T 2.2 -2.2 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 37 29 8 33
MONTH TO DATE 612 609 3 493
SINCE DEC 1 612 609 3 493
SINCE JUL 1 1446 1509 -63 1219
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 39 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 55 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 16.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
SLEET
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 36 2:00 PM
AVERAGE 68
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 71 2015
MINIMUM TEMPERATURE (F) 28 1 1983
SUNRISE AND SUNSET
DECEMBER 24 2022......SUNRISE 7:26 AM EST SUNSET 4:53 PM EST
DECEMBER 25 2022......SUNRISE 7:27 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.
$$