National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-07-13 05:34 UTC
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699
CDUS41 KLWX 130534
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
134 AM EDT MON JUL 13 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 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 89 12:41 PM 97 1986 88 1 90
MINIMUM 64 5:25 AM 47 2002 66 -2 69
AVERAGE 77 77 0 80
PRECIPITATION (IN)
YESTERDAY 0.01 2.61 1990 0.11 -0.10 0.00
MONTH TO DATE 1.56 1.42 0.14 1.54
SINCE JUN 1 6.77 5.40 1.37 3.98
SINCE JAN 1 23.29 22.22 1.07 23.86
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 12 12 0 15
MONTH TO DATE 183 139 44 161
SINCE JUN 1 456 376 80 417
SINCE JAN 1 533 468 65 596
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 3.6
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 4:00 AM
LOWEST 42 1:00 PM
AVERAGE 63
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 97 1966
1986
MINIMUM TEMPERATURE (F) 66 52 1978
SUNRISE AND SUNSET
JULY 13 2020..........SUNRISE 5:56 AM EDT SUNSET 8:35 PM EDT
JULY 14 2020..........SUNRISE 5:56 AM EDT SUNSET 8:35 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$