National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-07-11 05:22 UTC
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558
CDUS41 KLWX 110522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT TUE JUL 11 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 10 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 89 413 PM 99 1993 88 1 85
1988
MINIMUM 63 511 AM 53 1963 66 -3 66
AVERAGE 76 77 -1 76
PRECIPITATION (IN)
YESTERDAY 0.00 1.63 1995 0.11 -0.11 0.00
MONTH TO DATE 3.15 1.19 1.96 0.94
SINCE JUN 1 4.43 5.17 -0.74 7.29
SINCE JAN 1 23.52 21.99 1.53 24.96
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 0.0 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 11 12 -1 11
MONTH TO DATE 126 115 11 119
SINCE JUN 1 382 352 30 372
SINCE JAN 1 519 444 75 470
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 4.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 400 AM
LOWEST 39 500 PM
AVERAGE 63
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1988
MINIMUM TEMPERATURE (F) 66 52 1983
SUNRISE AND SUNSET
JULY 11 2017..........SUNRISE 554 AM EDT SUNSET 836 PM EDT
JULY 12 2017..........SUNRISE 555 AM EDT SUNSET 836 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$