National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-10-28 05:23 UTC
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268
CDUS41 KLWX 280523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT WED OCT 28 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 27 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 63 4:13 PM 84 1963 65 -2 79
MINIMUM 55 2:32 AM 21 1988 40 15 57
AVERAGE 59 52 7 68
PRECIPITATION (IN)
YESTERDAY 0.00 1.89 2003 0.10 -0.10 1.29
MONTH TO DATE 1.70 2.81 -1.11 4.25
SINCE SEP 1 3.98 6.73 -2.75 4.66
SINCE JAN 1 38.20 34.73 3.47 34.50
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 6 13 -7 0
MONTH TO DATE 159 244 -85 164
SINCE SEP 1 220 300 -80 169
SINCE JUL 1 220 302 -82 169
COOLING
YESTERDAY 0 0 0 3
MONTH TO DATE 17 16 1 51
SINCE SEP 1 152 157 -5 289
SINCE JAN 1 1404 1173 231 1524
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 3.2
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1:00 AM
LOWEST 62 12:00 PM
AVERAGE 80
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 83 1984
MINIMUM TEMPERATURE (F) 40 22 1976
SUNRISE AND SUNSET
OCTOBER 28 2020.......SUNRISE 7:33 AM EDT SUNSET 6:13 PM EDT
OCTOBER 29 2020.......SUNRISE 7:34 AM EDT SUNSET 6:12 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$