National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-10-10 05:22 UTC
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259
CDUS41 KLWX 100522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT SAT OCT 10 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 9 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 71 3:08 PM 94 2007 70 1 72
MINIMUM 41 6:30 AM 26 2001 46 -5 54
AVERAGE 56 58 -2 63
PRECIPITATION (IN)
YESTERDAY 0.00 2.53 1976 0.11 -0.11 0.05
MONTH TO DATE 0.15 0.95 -0.80 0.10
SINCE SEP 1 2.43 4.87 -2.44 0.51
SINCE JAN 1 36.65 32.87 3.78 30.35
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 9 8 1 2
MONTH TO DATE 66 58 8 14
SINCE SEP 1 127 114 13 19
SINCE JUL 1 127 116 11 19
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 1 11 -10 48
SINCE SEP 1 136 152 -16 286
SINCE JAN 1 1388 1168 220 1521
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 4:00 AM
LOWEST 39 12:00 PM
AVERAGE 68
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 87 2017
MINIMUM TEMPERATURE (F) 46 31 1972
1978
SUNRISE AND SUNSET
OCTOBER 10 2020.......SUNRISE 7:15 AM EDT SUNSET 6:38 PM EDT
OCTOBER 11 2020.......SUNRISE 7:16 AM EDT SUNSET 6:36 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$