National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-09-14 05:32 UTC
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781
CDUS41 KLWX 140534
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
132 AM EDT THU SEP 14 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 13 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 78 511 PM 94 1974 81 -3 90
MINIMUM 62 506 AM 43 1985 58 4 62
AVERAGE 70 69 1 76
PRECIPITATION (IN)
YESTERDAY 0.09 0.68 1983 0.14 -0.05 0.00
MONTH TO DATE 1.72 1.59 0.13 0.17
SINCE SEP 1 1.72 1.59 0.13 0.17
SINCE JAN 1 34.72 29.59 5.13 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 1 -1 0
MONTH TO DATE 30 6 24 0
SINCE SEP 1 30 6 24 0
SINCE JUL 1 31 8 23 0
COOLING
YESTERDAY 5 5 0 11
MONTH TO DATE 26 87 -61 154
SINCE SEP 1 26 87 -61 154
SINCE JAN 1 1087 1103 -16 1417
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 4.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 500 AM
LOWEST 62 500 PM
AVERAGE 81
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 95 1998
MINIMUM TEMPERATURE (F) 57 37 1985
SUNRISE AND SUNSET
SEPTEMBER 14 2017.....SUNRISE 650 AM EDT SUNSET 719 PM EDT
SEPTEMBER 15 2017.....SUNRISE 651 AM EDT SUNSET 718 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$