National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-07-26 05:25 UTC
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058
CDUS41 KLWX 260526
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
125 AM EDT WED JUL 26 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 25 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 79 432 PM 100 2016 88 -9 100
MINIMUM 63 1159 PM 55 1976 66 -3 74
AVERAGE 71 77 -6 87
PRECIPITATION (IN)
YESTERDAY 0.00 1.54 1992 0.12 -0.12 0.01
MONTH TO DATE 7.11 2.94 4.17 1.37
SINCE JUN 1 8.39 6.92 1.47 7.72
SINCE JAN 1 27.48 23.74 3.74 25.39
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 6 12 -6 22
MONTH TO DATE 355 295 60 353
SINCE JUN 1 611 532 79 606
SINCE JAN 1 748 624 124 704
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 9.1
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 81 1100 PM
LOWEST 50 600 PM
AVERAGE 66
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 2012
1966
MINIMUM TEMPERATURE (F) 66 50 1976
SUNRISE AND SUNSET
JULY 26 2017..........SUNRISE 606 AM EDT SUNSET 826 PM EDT
JULY 27 2017..........SUNRISE 607 AM EDT SUNSET 826 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$