National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-12-29 05:37 UTC
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428
CDUS41 KLWX 290537
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1237 AM EST THU DEC 29 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 28 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 52 3:27 PM 73 1984 44 8 57
MINIMUM 21 7:18 AM 8 1966 27 -6 35
AVERAGE 37 35 2 46
PRECIPITATION (IN)
YESTERDAY 0.00 1.74 1967 0.10 -0.10 0.02
MONTH TO DATE 4.70 3.03 1.67 0.21
SINCE DEC 1 4.70 3.03 1.67 0.21
SINCE JAN 1 40.51 42.97 -2.46 34.71
SNOWFALL (IN)
YESTERDAY 0.0 2.3 1993 0.1 -0.1 0.0
MONTH TO DATE T 2.4 -2.4 0.0
SINCE DEC 1 T 2.4 -2.4 0.0
SINCE JUL 1 T 2.7 -2.7 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 28 30 -2 19
MONTH TO DATE 808 756 52 579
SINCE DEC 1 808 756 52 579
SINCE JUL 1 1642 1656 -14 1305
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 10 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 4.4
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 2:00 AM
LOWEST 38 4:00 PM
AVERAGE 58
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 78 1984
MINIMUM TEMPERATURE (F) 27 7 1977
SUNRISE AND SUNSET
DECEMBER 29 2022......SUNRISE 7:28 AM EST SUNSET 4:56 PM EST
DECEMBER 30 2022......SUNRISE 7:28 AM EST SUNSET 4:57 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$