National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-07-23 05:25 UTC
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799
CDUS41 KLWX 230526
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
125 AM EDT SUN JUL 23 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 22 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 90 100 PM 105 2011 88 2 94
MINIMUM 72 808 PM 50 1974 66 6 67
AVERAGE 81 77 4 81
PRECIPITATION (IN)
YESTERDAY 0.72 2.25 1969 0.12 0.60 0.00
MONTH TO DATE 6.27 2.58 3.69 1.31
SINCE JUN 1 7.55 6.56 0.99 7.66
SINCE JAN 1 26.64 23.38 3.26 25.33
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0
MONTH TO DATE T 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 0 0 0 0
SINCE JUN 1 6 15 -9 3
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 16 12 4 16
MONTH TO DATE 317 259 58 292
SINCE JUN 1 573 496 77 545
SINCE JAN 1 710 588 122 643
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 4.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 800 PM
LOWEST 56 1200 PM
AVERAGE 75
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 99 2011
1991
MINIMUM TEMPERATURE (F) 66 50 1983
1977
SUNRISE AND SUNSET
JULY 23 2017..........SUNRISE 603 AM EDT SUNSET 829 PM EDT
JULY 24 2017..........SUNRISE 604 AM EDT SUNSET 828 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$