National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-09-04 05:23 UTC
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036
CDUS41 KLWX 040523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT MON SEP 4 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 3 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 78 441 PM 96 1993 84 -6 80
MINIMUM 59 1159 PM 45 1967 61 -2 63
AVERAGE 69 72 -3 72
PRECIPITATION (IN)
YESTERDAY T 1.47 1969 0.12 -0.12 0.00
MONTH TO DATE 0.66 0.35 0.31 0.17
SINCE SEP 1 0.66 0.35 0.31 0.17
SINCE JAN 1 33.66 28.35 5.31 28.17
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 9 0 9 0
SINCE SEP 1 9 0 9 0
SINCE JUL 1 10 2 8 0
COOLING
YESTERDAY 4 8 -4 7
MONTH TO DATE 4 24 -20 25
SINCE SEP 1 4 24 -20 25
SINCE JAN 1 1065 1040 25 1288
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 45 400 PM
AVERAGE 73
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 95 1985
MINIMUM TEMPERATURE (F) 61 48 1997
SUNRISE AND SUNSET
SEPTEMBER 4 2017.....SUNRISE 642 AM EDT SUNSET 735 PM EDT
SEPTEMBER 5 2017.....SUNRISE 642 AM EDT SUNSET 734 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$