National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-12-31 05:38 UTC
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213
CDUS41 KLWX 310538
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1238 AM EST SAT DEC 31 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 30 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 66 3:49 PM 67 1990 44 22 54
MINIMUM 28 5:37 AM 4 1963 27 1 48
AVERAGE 47 35 12 51
PRECIPITATION (IN)
YESTERDAY 0.00 0.87 1969 0.09 -0.09 0.16
MONTH TO DATE 4.70 3.21 1.49 0.44
SINCE DEC 1 4.70 3.21 1.49 0.44
SINCE JAN 1 40.51 43.15 -2.64 34.94
SNOWFALL (IN)
YESTERDAY 0.0 0.9 1977 0.2 -0.2 0.0
MONTH TO DATE T 2.7 -2.7 0.0
SINCE DEC 1 T 2.7 -2.7 0.0
SINCE JUL 1 T 3.0 -3.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 18 30 -12 14
MONTH TO DATE 851 816 35 606
SINCE DEC 1 851 816 35 606
SINCE JUL 1 1685 1716 -31 1332
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 S (200)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 5.0
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 5:00 AM
LOWEST 39 2:00 PM
AVERAGE 62
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 73 1992
MINIMUM TEMPERATURE (F) 27 1 1993
SUNRISE AND SUNSET
DECEMBER 31 2022......SUNRISE 7:28 AM EST SUNSET 4:57 PM EST
JANUARY 1 2023.......SUNRISE 7:29 AM EST SUNSET 4:58 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$