National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-10-01 22:09 UTC
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248
CDUS41 KLWX 012209 CCA
CLIIAD
CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
609 PM EDT THU OCT 01 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 30 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 71 3:48 PM 92 1986 74 -3 73
MINIMUM 52 6:09 AM 35 1993 50 2 68
AVERAGE 62 62 0 71
PRECIPITATION (IN)
YESTERDAY 0.11 4.74 2010 0.14 -0.03 0.07
MONTH TO DATE 2.28 3.92 -1.64 0.41
SINCE SEP 1 2.28 3.92 -1.64 0.41
SINCE JAN 1 36.50 31.92 4.58 30.25
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 3 5 -2 0
MONTH TO DATE 61 55 6 5
SINCE SEP 1 61 55 6 5
SINCE JUL 1 61 57 4 5
COOLING
YESTERDAY 0 2 -2 6
MONTH TO DATE 135 141 -6 238
SINCE SEP 1 135 141 -6 238
SINCE JAN 1 1387 1157 230 1473
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 8.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 3:00 AM
LOWEST 44 2:00 PM
AVERAGE 71
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 90 1986
MINIMUM TEMPERATURE (F) 50 31 1993
SUNRISE AND SUNSET
OCTOBER 1 2020.......SUNRISE 7:06 AM EDT SUNSET 6:52 PM EDT
OCTOBER 2 2020.......SUNRISE 7:07 AM EDT SUNSET 6:50 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$