National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-10-12 05:27 UTC
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080
CDUS41 KLWX 120527
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
127 AM EDT MON OCT 12 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 11 2020...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1960 TO 2020
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 72 12:30 PM 86 2010 70 2 75
MINIMUM 64 6:43 AM 28 1972 45 19 47
AVERAGE 68 58 10 61
PRECIPITATION (IN)
YESTERDAY 0.69 3.38 2013 0.11 0.58 0.00
MONTH TO DATE 0.84 1.17 -0.33 0.10
SINCE SEP 1 3.12 5.09 -1.97 0.51
SINCE JAN 1 37.34 33.09 4.25 30.35
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 8 -8 4
MONTH TO DATE 66 74 -8 19
SINCE SEP 1 127 130 -3 24
SINCE JUL 1 127 132 -5 24
COOLING
YESTERDAY 3 1 2 0
MONTH TO DATE 4 13 -9 48
SINCE SEP 1 139 154 -15 286
SINCE JAN 1 1391 1170 221 1521
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 4.5
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 PM
LOWEST 76 12:00 PM
AVERAGE 87
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 83 1995
2010
MINIMUM TEMPERATURE (F) 45 25 1964
SUNRISE AND SUNSET
OCTOBER 12 2020.......SUNRISE 7:17 AM EDT SUNSET 6:35 PM EDT
OCTOBER 13 2020.......SUNRISE 7:18 AM EDT SUNSET 6:33 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$