National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-08-02 05:42 UTC
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583
CDUS41 KLWX 020543
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
142 AM EDT WED AUG 2 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 1 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2017
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 89 253 PM 100 1980 88 1 90
MINIMUM 62 528 AM 54 1997 65 -3 72
AVERAGE 76 76 0 81
PRECIPITATION (IN)
YESTERDAY 0.00 0.91 1969 0.12 -0.12 0.00
MONTH TO DATE 0.00 0.12 -0.12 0.00
SINCE JUN 1 10.08 7.77 2.31 9.37
SINCE JAN 1 29.17 24.59 4.58 27.04
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 T 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 6 15 -9 3
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 11 12 -1 16
MONTH TO DATE 11 12 -1 16
SINCE JUN 1 670 612 58 728
SINCE JAN 1 807 704 103 826
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 3.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 AM
LOWEST 43 200 PM
AVERAGE 68
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 99 2002
MINIMUM TEMPERATURE (F) 65 52 1998
SUNRISE AND SUNSET
AUGUST 2 2017........SUNRISE 612 AM EDT SUNSET 820 PM EDT
AUGUST 3 2017........SUNRISE 613 AM EDT SUNSET 819 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$