National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-10-22 05:29 UTC
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322
CDUS41 KLWX 220529
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
129 AM EDT THU OCT 22 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 21 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 80 2:46 PM 86 1979 67 13 69
MINIMUM 58 12:01 AM 22 1972 42 16 54
AVERAGE 69 54 15 62
PRECIPITATION (IN)
YESTERDAY T 2.45 1995 0.11 -0.11 0.00
MONTH TO DATE 1.33 2.19 -0.86 2.58
SINCE SEP 1 3.61 6.11 -2.50 2.99
SINCE JAN 1 37.83 34.11 3.72 32.83
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 3
MONTH TO DATE 128 172 -44 113
SINCE SEP 1 189 228 -39 118
SINCE JUL 1 189 230 -41 118
COOLING
YESTERDAY 4 0 4 0
MONTH TO DATE 8 16 -8 48
SINCE SEP 1 143 157 -14 286
SINCE JAN 1 1395 1173 222 1521
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 62 2:00 PM
AVERAGE 81
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 85 1979
MINIMUM TEMPERATURE (F) 42 26 1974
SUNRISE AND SUNSET
OCTOBER 22 2020.......SUNRISE 7:27 AM EDT SUNSET 6:21 PM EDT
OCTOBER 23 2020.......SUNRISE 7:28 AM EDT SUNSET 6:20 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$