National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-10-19 05:25 UTC
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037
CDUS41 KLWX 190525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
125 AM EDT MON OCT 19 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 18 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 65 3:22 PM 85 2016 68 -3 64
MINIMUM 34 6:48 AM 27 1976 43 -9 41
1982
AVERAGE 50 55 -5 53
PRECIPITATION (IN)
YESTERDAY 0.00 2.09 1996 0.10 -0.10 0.00
MONTH TO DATE 1.33 1.88 -0.55 1.14
SINCE SEP 1 3.61 5.80 -2.19 1.55
SINCE JAN 1 37.83 33.80 4.03 31.39
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 15 10 5 12
MONTH TO DATE 122 140 -18 84
SINCE SEP 1 183 196 -13 89
SINCE JUL 1 183 198 -15 89
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 4 16 -12 48
SINCE SEP 1 139 157 -18 286
SINCE JAN 1 1391 1173 218 1521
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 2.9
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 2:00 AM
LOWEST 48 3:00 PM
AVERAGE 72
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 87 2016
MINIMUM TEMPERATURE (F) 43 25 1976
SUNRISE AND SUNSET
OCTOBER 19 2020.......SUNRISE 7:24 AM EDT SUNSET 6:25 PM EDT
OCTOBER 20 2020.......SUNRISE 7:25 AM EDT SUNSET 6:24 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$