National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-10-05 05:22 UTC
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818
CDUS41 KLWX 050522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT MON OCT 05 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 4 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 68 3:23 PM 90 2013 72 -4 78
MINIMUM 40 5:57 AM 26 1974 48 -8 51
AVERAGE 54 60 -6 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.81 1999 0.11 -0.11 0.00
MONTH TO DATE 0.09 0.42 -0.33 0.00
SINCE SEP 1 2.37 4.34 -1.97 0.41
SINCE JAN 1 36.59 32.34 4.25 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 11 6 5 0
MONTH TO DATE 34 23 11 0
SINCE SEP 1 95 79 16 5
SINCE JUL 1 95 81 14 5
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 6 -6 42
SINCE SEP 1 135 147 -12 280
SINCE JAN 1 1387 1163 224 1515
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 1.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 3:00 AM
LOWEST 40 3:00 PM
AVERAGE 68
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 90 1967
2013
MINIMUM TEMPERATURE (F) 48 32 1970
SUNRISE AND SUNSET
OCTOBER 5 2020.......SUNRISE 7:10 AM EDT SUNSET 6:45 PM EDT
OCTOBER 6 2020.......SUNRISE 7:11 AM EDT SUNSET 6:44 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$