National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-10-23 05:21 UTC
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083
CDUS41 KLWX 230521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
121 AM EDT FRI OCT 23 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 22 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 82 3:06 PM 85 1979 66 16 60
MINIMUM 59 4:30 AM 26 1974 42 17 48
AVERAGE 71 54 17 54
PRECIPITATION (IN)
YESTERDAY 0.00 0.90 1985 0.10 -0.10 0.38
MONTH TO DATE 1.33 2.29 -0.96 2.96
SINCE SEP 1 3.61 6.21 -2.60 3.37
SINCE JAN 1 37.83 34.21 3.62 33.21
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 11 -11 11
MONTH TO DATE 128 183 -55 124
SINCE SEP 1 189 239 -50 129
SINCE JUL 1 189 241 -52 129
COOLING
YESTERDAY 6 0 6 0
MONTH TO DATE 14 16 -2 48
SINCE SEP 1 149 157 -8 286
SINCE JAN 1 1401 1173 228 1521
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 3.5
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 54 3:00 PM
AVERAGE 77
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 85 1978
MINIMUM TEMPERATURE (F) 41 21 1969
SUNRISE AND SUNSET
OCTOBER 23 2020.......SUNRISE 7:28 AM EDT SUNSET 6:20 PM EDT
OCTOBER 24 2020.......SUNRISE 7:29 AM EDT SUNSET 6:18 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$