National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-12-27 05:21 UTC
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717
CDUS41 KLWX 270521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1221 AM EST TUE DEC 27 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 26 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 33 2:55 PM 71 1964 44 -11 62
MINIMUM 12 5:35 AM -1 1983 27 -15 42
AVERAGE 23 36 -13 52
PRECIPITATION (IN)
YESTERDAY 0.00 1.41 2012 0.09 -0.09 0.00
MONTH TO DATE 4.70 2.83 1.87 0.19
SINCE DEC 1 4.70 2.83 1.87 0.19
SINCE JAN 1 40.51 42.77 -2.26 34.69
SNOWFALL (IN)
YESTERDAY 0.0 6.1 1969 0.1 -0.1 0.0
MONTH TO DATE T 2.2 -2.2 0.0
SINCE DEC 1 T 2.2 -2.2 0.0
SINCE JUL 1 T 2.5 -2.5 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 42 29 13 13
MONTH TO DATE 748 696 52 534
SINCE DEC 1 748 696 52 534
SINCE JUL 1 1582 1596 -14 1260
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 9 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 3.2
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 4:00 AM
LOWEST 37 4:00 PM
AVERAGE 59
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 73 1971
MINIMUM TEMPERATURE (F) 27 1 1989
SUNRISE AND SUNSET
DECEMBER 27 2022......SUNRISE 7:27 AM EST SUNSET 4:55 PM EST
DECEMBER 28 2022......SUNRISE 7:28 AM EST SUNSET 4:55 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$