National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-10-15 05:23 UTC
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598
CDUS41 KLWX 150523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT THU OCT 15 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 14 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 3:59 PM 86 1975 69 6 76
MINIMUM 43 6:34 AM 23 1988 44 -1 39
AVERAGE 59 56 3 58
PRECIPITATION (IN)
YESTERDAY 0.00 1.61 1995 0.11 -0.11 0.00
MONTH TO DATE 1.32 1.48 -0.16 0.10
SINCE SEP 1 3.60 5.40 -1.80 0.51
SINCE JAN 1 37.82 33.40 4.42 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 6 9 -3 7
MONTH TO DATE 82 101 -19 42
SINCE SEP 1 143 157 -14 47
SINCE JUL 1 143 159 -16 47
COOLING
YESTERDAY 0 1 -1 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 12 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 5.3
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 33 2:00 PM
AVERAGE 63
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 88 1989
MINIMUM TEMPERATURE (F) 44 28 1987
SUNRISE AND SUNSET
OCTOBER 15 2020.......SUNRISE 7:20 AM EDT SUNSET 6:30 PM EDT
OCTOBER 16 2020.......SUNRISE 7:21 AM EDT SUNSET 6:29 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$