National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-10-04 05:24 UTC
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550
CDUS41 KLWX 040524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
124 AM EDT WED OCT 4 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 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 74 333 PM 86 2007 73 1 76
2002
MINIMUM 44 446 AM 30 2003 49 -5 55
1974
AVERAGE 59 61 -2 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.86 1987 0.10 -0.10 0.00
MONTH TO DATE 0.00 0.31 -0.31 0.20
SINCE SEP 1 1.75 4.23 -2.48 2.75
SINCE JAN 1 34.75 32.23 2.52 30.75
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 6 6 0 0
MONTH TO DATE 22 17 5 2
SINCE SEP 1 62 73 -11 8
SINCE JUL 1 63 75 -12 8
COOLING
YESTERDAY 0 1 -1 1
MONTH TO DATE 0 5 -5 4
SINCE SEP 1 155 146 9 259
SINCE JAN 1 1216 1162 54 1522
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 2.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 100 AM
LOWEST 41 400 PM
AVERAGE 71
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 90 2013
MINIMUM TEMPERATURE (F) 48 26 1974
SUNRISE AND SUNSET
OCTOBER 4 2017.......SUNRISE 709 AM EDT SUNSET 647 PM EDT
OCTOBER 5 2017.......SUNRISE 710 AM EDT SUNSET 646 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$