295
CDUS41 KLWX 290524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
124 AM EDT FRI SEP 29 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 28 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 72 1:36 PM 86 1998 75 -3 70
2019
MINIMUM 51 2:06 AM 34 1989 53 -2 41
AVERAGE 62 64 -2 56
PRECIPITATION (IN)
YESTERDAY 0.03 1.61 2004 0.14 -0.11 0.00
MONTH TO DATE 6.64 3.65 2.99 2.81
SINCE SEP 1 6.64 3.65 2.99 2.81
SINCE JAN 1 25.86 32.87 -7.01 30.31
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE T 0.0 0.0 0.0
SINCE SEP 1 T 0.0 0.0 0.0
SINCE JUL 1 T 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 3 4 -1 9
MONTH TO DATE 16 35 -19 26
SINCE SEP 1 16 35 -19 26
SINCE JUL 1 16 36 -20 26
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 211 147 64 176
SINCE SEP 1 211 147 64 176
SINCE JAN 1 1326 1203 123 1354
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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 5.1
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 3:00 AM
LOWEST 55 12:00 PM
AVERAGE 72
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 89 2019
MINIMUM TEMPERATURE (F) 52 34 1978
SUNRISE AND SUNSET
SEPTEMBER 29 2023.....SUNRISE 7:04 AM EDT SUNSET 6:56 PM EDT
SEPTEMBER 30 2023.....SUNRISE 7:05 AM EDT SUNSET 6:54 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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