National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-09-07 05:21 UTC
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766
CDUS41 KLWX 070521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
121 AM EDT MON SEP 07 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 6 2020...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1960 TO 2020
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 83 2:51 PM 98 1983 83 0 79
MINIMUM 55 5:18 AM 45 1972 60 -5 60
1976
AVERAGE 69 72 -3 70
PRECIPITATION (IN)
YESTERDAY 0.00 5.11 2008 0.11 -0.11 0.00
MONTH TO DATE 0.28 0.70 -0.42 0.32
SINCE SEP 1 0.28 0.70 -0.42 0.32
SINCE JAN 1 34.50 28.70 5.80 30.16
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 SEP 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 SEP 1 0 0 0 0
SINCE JUL 1 0 2 -2 0
COOLING
YESTERDAY 4 7 -3 5
MONTH TO DATE 57 46 11 64
SINCE SEP 1 57 46 11 64
SINCE JAN 1 1309 1062 247 1299
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 4.0
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 6:00 AM
LOWEST 41 2:00 PM
AVERAGE 69
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 95 1983
1985
MINIMUM TEMPERATURE (F) 60 41 1976
SUNRISE AND SUNSET
SEPTEMBER 7 2020.....SUNRISE 6:44 AM EDT SUNSET 7:30 PM EDT
SEPTEMBER 8 2020.....SUNRISE 6:45 AM EDT SUNSET 7:28 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$