National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-07-04 05:22 UTC
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959
CDUS41 KLWX 040523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT TUE JUL 4 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 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 90 1229 PM 103 1966 88 2 73
MINIMUM 66 523 AM 50 1977 65 1 63
1962
AVERAGE 78 76 2 68
PRECIPITATION (IN)
YESTERDAY 0.00 1.66 1978 0.12 -0.12 0.02
MONTH TO DATE 0.21 0.37 -0.16 0.02
SINCE JUN 1 1.49 4.35 -2.86 6.37
SINCE JAN 1 20.58 21.17 -0.59 24.04
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 13 11 2 3
MONTH TO DATE 45 33 12 23
SINCE JUN 1 301 270 31 276
SINCE JAN 1 438 362 76 374
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 4.2
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 93 500 AM
LOWEST 34 100 PM
AVERAGE 64
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 97 2002
1999
MINIMUM TEMPERATURE (F) 65 48 1986
SUNRISE AND SUNSET
JULY 4 2017..........SUNRISE 550 AM EDT SUNSET 839 PM EDT
JULY 5 2017..........SUNRISE 550 AM EDT SUNSET 838 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$