National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-08-18 05:34 UTC
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649
CDUS41 KLWX 180534
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
134 AM EDT THU AUG 18 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 17 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 84 3:30 PM 101 1988 87 -3 86
MINIMUM 58 1:05 AM 44 1979 65 -7 70
AVERAGE 71 76 -5 78
PRECIPITATION (IN)
YESTERDAY 0.05 3.32 1997 0.11 -0.06 0.56
MONTH TO DATE 2.03 1.95 0.08 2.76
SINCE JUN 1 10.01 10.40 -0.39 8.84
SINCE JAN 1 27.23 27.64 -0.41 22.42
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 6 11 -5 13
MONTH TO DATE 224 197 27 211
SINCE JUN 1 877 813 64 925
SINCE JAN 1 1006 919 87 1034
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 5.2
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 6:00 AM
LOWEST 37 6:00 PM
AVERAGE 64
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 98 2009
MINIMUM TEMPERATURE (F) 65 45 1981
SUNRISE AND SUNSET
AUGUST 18 2022........SUNRISE 6:26 AM EDT SUNSET 8:00 PM EDT
AUGUST 19 2022........SUNRISE 6:27 AM EDT SUNSET 7:59 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$