National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-09-01 05:29 UTC
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885
CDUS41 KLWX 010529
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
129 AM EDT TUE SEP 01 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 31 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 75 11:34 AM 98 1991 85 -10 86
MINIMUM 64 5:42 AM 43 1976 62 2 64
AVERAGE 70 73 -3 75
PRECIPITATION (IN)
YESTERDAY 0.55 3.21 1975 0.10 0.45 0.00
MONTH TO DATE 7.64 3.53 4.11 4.79
SINCE JUN 1 17.70 11.18 6.52 9.96
SINCE JAN 1 34.22 28.00 6.22 29.84
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 T
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 5 15 -10 9
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 5 8 -3 10
MONTH TO DATE 401 324 77 356
SINCE JUN 1 1175 924 251 1056
SINCE JAN 1 1252 1016 236 1235
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 3.5
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 7:00 PM
LOWEST 73 10:00 AM
AVERAGE 85
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 98 1962
1980
MINIMUM TEMPERATURE (F) 62 49 1970
1976
SUNRISE AND SUNSET
SEPTEMBER 1 2020.....SUNRISE 6:39 AM EDT SUNSET 7:39 PM EDT
SEPTEMBER 2 2020.....SUNRISE 6:40 AM EDT SUNSET 7:38 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$