609
CDUS41 KLWX 300525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
125 AM EDT MON SEP 30 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 29 2024
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 71 2:15 PM 89 2019 74 -3 69
MINIMUM 66 11:59 PM 34 1978 52 14 61
AVERAGE 69 63 6 65
PRECIPITATION (IN)
YESTERDAY T 2.23 1963 0.14 -0.14 0.01
MONTH TO DATE 3.01 3.79 -0.78 6.65
SINCE SEP 1 3.01 3.79 -0.78 6.65
SINCE JAN 1 28.79 33.01 -4.22 25.87
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 T
SINCE SEP 1 0.0 0.0 0.0 T
SINCE JUL 1 0.0 0.0 0.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 12 39 -27 16
SINCE SEP 1 12 39 -27 16
SINCE JUL 1 14 40 -26 16
COOLING
YESTERDAY 4 2 2 0
MONTH TO DATE 137 149 -12 211
SINCE SEP 1 137 149 -12 211
SINCE JAN 1 1551 1205 346 1326
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WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 7.4
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 7:00 AM
LOWEST 87 11:00 AM
AVERAGE 92
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 92 1986
MINIMUM TEMPERATURE (F) 52 35 1993
SUNRISE AND SUNSET
SEPTEMBER 30 2024.....SUNRISE 7:05 AM EDT SUNSET 6:53 PM EDT
OCTOBER 1 2024.......SUNRISE 7:06 AM EDT SUNSET 6:52 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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