National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-08-04 05:30 UTC
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062
CDUS41 KLWX 040531
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
130 AM EDT FRI AUG 4 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 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 88 113 PM 99 2006 88 0 82
1991
MINIMUM 68 1159 PM 50 1998 65 3 69
1985
1976
AVERAGE 78 76 2 76
PRECIPITATION (IN)
YESTERDAY 0.09 1.03 1970 0.13 -0.04 0.00
MONTH TO DATE 0.09 0.37 -0.28 0.00
SINCE JUN 1 10.17 8.02 2.15 9.37
SINCE JAN 1 29.26 24.84 4.42 27.04
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0
MONTH TO DATE 0.0 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 13 11 2 11
MONTH TO DATE 38 34 4 41
SINCE JUN 1 697 634 63 753
SINCE JAN 1 834 726 108 851
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 4.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 300 AM
LOWEST 57 300 PM
AVERAGE 74
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 99 2002
MINIMUM TEMPERATURE (F) 65 51 1976
SUNRISE AND SUNSET
AUGUST 4 2017........SUNRISE 614 AM EDT SUNSET 818 PM EDT
AUGUST 5 2017........SUNRISE 614 AM EDT SUNSET 816 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$