National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2023-09-24 05:29 UTC
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588
CDUS41 KLWX 240529
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
129 AM EDT SUN SEP 24 2023
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 23 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 62 11:59 PM 94 2019 77 -15 69
MINIMUM 57 8:04 AM 33 1983 55 2 51
AVERAGE 60 66 -6 60
PRECIPITATION (IN)
YESTERDAY 1.51 1.74 2003 0.12 1.39 0.00
MONTH TO DATE 5.19 2.98 2.21 2.81
SINCE SEP 1 5.19 2.98 2.21 2.81
SINCE JAN 1 24.41 32.20 -7.79 30.31
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE T 0.0 0.0 0.0
SINCE SEP 1 T 0.0 0.0 0.0
SINCE JUL 1 T 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 5 2 3 5
MONTH TO DATE 6 20 -14 5
SINCE SEP 1 6 20 -14 5
SINCE JUL 1 6 21 -15 5
COOLING
YESTERDAY 0 3 -3 0
MONTH TO DATE 209 134 75 175
SINCE SEP 1 209 134 75 175
SINCE JAN 1 1324 1190 134 1353
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 15.1
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 93 11:00 PM
LOWEST 83 12:00 AM
AVERAGE 88
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 97 2010
MINIMUM TEMPERATURE (F) 55 30 1974
SUNRISE AND SUNSET
SEPTEMBER 24 2023.....SUNRISE 6:59 AM EDT SUNSET 7:04 PM EDT
SEPTEMBER 25 2023.....SUNRISE 7:00 AM EDT SUNSET 7:02 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$