National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-07-13 05:30 UTC
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813
CDUS41 KLWX 130532
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
130 AM EDT THU JUL 13 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 12 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 93 337 PM 97 1986 88 5 86
MINIMUM 71 445 AM 47 2002 66 5 65
AVERAGE 82 77 5 76
PRECIPITATION (IN)
YESTERDAY T 2.61 1990 0.11 -0.11 0.00
MONTH TO DATE 3.16 1.42 1.74 0.94
SINCE JUN 1 4.44 5.40 -0.96 7.29
SINCE JAN 1 23.53 22.22 1.31 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 17 12 5 11
MONTH TO DATE 157 139 18 140
SINCE JUN 1 413 376 37 393
SINCE JAN 1 550 468 82 491
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 4.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 100 AM
LOWEST 44 200 PM
AVERAGE 69
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 97 1986
1966
MINIMUM TEMPERATURE (F) 66 52 1978
SUNRISE AND SUNSET
JULY 13 2017..........SUNRISE 555 AM EDT SUNSET 835 PM EDT
JULY 14 2017..........SUNRISE 556 AM EDT SUNSET 835 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$