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Displaying AFOS PIL: CLIIAD Product Timestamp: 2017-10-13 05:31 UTC
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820
CDUS41 KLWX 130532
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
131 AM EDT FRI OCT 13 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 12 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 66 206 AM 83 2010 69 -3 69
1995
MINIMUM 58 1159 PM 25 1964 45 13 39
AVERAGE 62 57 5 54
PRECIPITATION (IN)
YESTERDAY T 0.78 1990 0.10 -0.10 0.00
MONTH TO DATE 1.40 1.27 0.13 0.40
SINCE SEP 1 3.15 5.19 -2.04 2.95
SINCE JAN 1 36.15 33.19 2.96 30.95
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 3 9 -6 11
MONTH TO DATE 28 83 -55 55
SINCE SEP 1 68 139 -71 61
SINCE JUL 1 69 141 -72 61
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 57 14 43 4
SINCE SEP 1 212 155 57 259
SINCE JAN 1 1273 1171 102 1522
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 9.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 AM
LOWEST 80 1100 PM
AVERAGE 90
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 84 1989
MINIMUM TEMPERATURE (F) 45 30 2012
1988
1987
SUNRISE AND SUNSET
OCTOBER 13 2017.......SUNRISE 718 AM EDT SUNSET 634 PM EDT
OCTOBER 14 2017.......SUNRISE 718 AM EDT SUNSET 632 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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