National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-08-21 05:22 UTC
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725
CDUS41 KLWX 210522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT SUN AUG 21 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 20 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 88 3:34 PM 104 1983 86 2 84
MINIMUM 64 5:56 AM 47 1964 65 -1 71
1976
1998
AVERAGE 76 76 0 78
PRECIPITATION (IN)
YESTERDAY 0.00 2.17 1963 0.11 -0.11 0.31
MONTH TO DATE 2.05 2.28 -0.23 3.60
SINCE JUN 1 10.03 10.73 -0.70 9.68
SINCE JAN 1 27.25 27.97 -0.72 23.26
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 13 -13 6
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 11 10 1 13
MONTH TO DATE 251 229 22 257
SINCE JUN 1 904 845 59 971
SINCE JAN 1 1033 951 82 1080
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 5.0
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 3:00 AM
LOWEST 45 3:00 PM
AVERAGE 71
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 96 1962
MINIMUM TEMPERATURE (F) 65 47 1976
SUNRISE AND SUNSET
AUGUST 21 2022........SUNRISE 6:29 AM EDT SUNSET 7:56 PM EDT
AUGUST 22 2022........SUNRISE 6:30 AM EDT SUNSET 7:55 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$