National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-08-05 05:41 UTC
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520
CDUS41 KLWX 050543
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
141 AM EDT SAT AUG 5 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 4 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 88 235 PM 99 2002 88 0 84
MINIMUM 65 546 AM 51 1976 65 0 64
AVERAGE 77 76 1 74
PRECIPITATION (IN)
YESTERDAY 0.00 0.83 1967 0.12 -0.12 0.00
MONTH TO DATE 0.09 0.49 -0.40 0.00
SINCE JUN 1 10.17 8.14 2.03 9.37
SINCE JAN 1 29.26 24.96 4.30 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 12 11 1 9
MONTH TO DATE 50 45 5 50
SINCE JUN 1 709 645 64 762
SINCE JAN 1 846 737 109 860
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 6.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1200 AM
LOWEST 51 400 PM
AVERAGE 72
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 99 1995
MINIMUM TEMPERATURE (F) 65 54 1992
1985
SUNRISE AND SUNSET
AUGUST 5 2017........SUNRISE 614 AM EDT SUNSET 816 PM EDT
AUGUST 6 2017........SUNRISE 615 AM EDT SUNSET 815 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$