National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-07-30 05:23 UTC
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841
CDUS41 KLWX 300523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT THU JUL 30 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 29 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 92 3:39 PM 103 2011 88 4 96
MINIMUM 70 3:51 AM 52 2014 66 4 68
AVERAGE 81 77 4 82
PRECIPITATION (IN)
YESTERDAY 0.00 0.92 2001 0.12 -0.12 0.00
MONTH TO DATE 4.33 3.42 0.91 2.71
SINCE JUN 1 9.54 7.40 2.14 5.15
SINCE JAN 1 26.06 24.22 1.84 25.03
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 16 12 4 17
MONTH TO DATE 473 343 130 413
SINCE JUN 1 746 580 166 669
SINCE JAN 1 823 672 151 848
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 3.7
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 12:00 AM
LOWEST 33 4:00 PM
AVERAGE 65
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1988
MINIMUM TEMPERATURE (F) 66 48 2014
SUNRISE AND SUNSET
JULY 30 2020..........SUNRISE 6:09 AM EDT SUNSET 8:23 PM EDT
JULY 31 2020..........SUNRISE 6:10 AM EDT SUNSET 8:22 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$