National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-10-30 05:22 UTC
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252
CDUS41 KLWX 300522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT FRI OCT 30 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 29 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 1:24 AM 82 1984 64 -1 65
MINIMUM 51 11:59 PM 19 1976 40 11 48
AVERAGE 57 52 5 57
PRECIPITATION (IN)
YESTERDAY 1.68 4.26 2012 0.11 1.57 0.00
MONTH TO DATE 3.38 3.03 0.35 4.25
SINCE SEP 1 5.66 6.95 -1.29 4.66
SINCE JAN 1 39.88 34.95 4.93 34.50
SNOWFALL (IN)
YESTERDAY 0.0 0.6 2011 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 8 13 -5 8
MONTH TO DATE 167 270 -103 177
SINCE SEP 1 228 326 -98 182
SINCE JUL 1 228 328 -100 182
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 18 16 2 51
SINCE SEP 1 153 157 -4 289
SINCE JAN 1 1405 1173 232 1524
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 8.3
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 12:00 PM
LOWEST 86 1:00 AM
AVERAGE 92
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 84 2016
MINIMUM TEMPERATURE (F) 40 20 1969
SUNRISE AND SUNSET
OCTOBER 30 2020.......SUNRISE 7:35 AM EDT SUNSET 6:11 PM EDT
OCTOBER 31 2020.......SUNRISE 7:37 AM EDT SUNSET 6:10 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$