National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-10-13 05:27 UTC
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506
CDUS41 KLWX 130527
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
127 AM EDT TUE OCT 13 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 12 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 1:40 AM 83 1995 69 -4 71
2010
MINIMUM 55 11:59 PM 25 1964 45 10 45
AVERAGE 60 57 3 58
PRECIPITATION (IN)
YESTERDAY 0.48 0.78 1990 0.10 0.38 T
MONTH TO DATE 1.32 1.27 0.05 0.10
SINCE SEP 1 3.60 5.19 -1.59 0.51
SINCE JAN 1 37.82 33.19 4.63 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 5 9 -4 7
MONTH TO DATE 71 83 -12 26
SINCE SEP 1 132 139 -7 31
SINCE JUL 1 132 141 -9 31
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 4 14 -10 48
SINCE SEP 1 139 155 -16 286
SINCE JAN 1 1391 1171 220 1521
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 10.5
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 AM
LOWEST 90 9:00 AM
AVERAGE 94
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 84 1989
MINIMUM TEMPERATURE (F) 45 30 1987
1988
2012
SUNRISE AND SUNSET
OCTOBER 13 2020.......SUNRISE 7:18 AM EDT SUNSET 6:33 PM EDT
OCTOBER 14 2020.......SUNRISE 7:19 AM EDT SUNSET 6:32 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$