National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-10-11 05:25 UTC
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624
CDUS41 KLWX 110527
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
125 AM EDT WED OCT 11 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 10 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 87R 237 PM 85 1985 70 17 65
MINIMUM 64 451 AM 31 1978 46 18 41
1972
AVERAGE 76 58 18 53
PRECIPITATION (IN)
YESTERDAY 0.00 2.22 2013 0.11 -0.11 0.00
MONTH TO DATE 0.61 1.06 -0.45 0.40
SINCE SEP 1 2.36 4.98 -2.62 2.95
SINCE JAN 1 35.36 32.98 2.38 30.95
SNOWFALL (IN)
YESTERDAY 0.0 1.3 1979 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 8 -8 12
MONTH TO DATE 25 66 -41 31
SINCE SEP 1 65 122 -57 37
SINCE JUL 1 66 124 -58 37
COOLING
YESTERDAY 11 1 10 0
MONTH TO DATE 52 12 40 4
SINCE SEP 1 207 153 54 259
SINCE JAN 1 1268 1169 99 1522
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 2.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 55 200 PM
AVERAGE 78
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 86 2010
MINIMUM TEMPERATURE (F) 45 28 1972
SUNRISE AND SUNSET
OCTOBER 11 2017.......SUNRISE 716 AM EDT SUNSET 637 PM EDT
OCTOBER 12 2017.......SUNRISE 717 AM EDT SUNSET 635 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$