National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-08-27 05:24 UTC
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689
CDUS41 KLWX 270524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
124 AM EDT SUN AUG 27 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 26 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 79 150 PM 95 2016 86 -7 95
1998
1993
MINIMUM 59 544 AM 48 1977 63 -4 73
AVERAGE 69 74 -5 84
PRECIPITATION (IN)
YESTERDAY 0.00 1.48 1965 0.11 -0.11 0.00
MONTH TO DATE 3.12 3.02 0.10 0.94
SINCE JUN 1 13.20 10.67 2.53 10.31
SINCE JAN 1 32.29 27.49 4.80 27.98
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 4 9 -5 19
MONTH TO DATE 252 278 -26 382
SINCE JUN 1 911 878 33 1094
SINCE JAN 1 1048 970 78 1192
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 100 AM
LOWEST 48 200 PM
AVERAGE 74
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 100 1987
MINIMUM TEMPERATURE (F) 63 46 1969
SUNRISE AND SUNSET
AUGUST 27 2017........SUNRISE 634 AM EDT SUNSET 747 PM EDT
AUGUST 28 2017........SUNRISE 635 AM EDT SUNSET 746 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$