936
CDUS41 KLWX 150524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
124 AM EDT FRI SEP 15 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 14 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 80 4:00 PM 95 1998 80 0 80
MINIMUM 62 5:52 AM 37 1985 59 3 57
AVERAGE 71 69 2 69
PRECIPITATION (IN)
YESTERDAY 0.00 5.52 1966 0.14 -0.14 0.00
MONTH TO DATE 3.50 1.75 1.75 2.78
SINCE SEP 1 3.50 1.75 1.75 2.78
SINCE JAN 1 22.72 30.97 -8.25 30.28
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 0 1 -1 0
MONTH TO DATE 0 5 -5 0
SINCE SEP 1 0 5 -5 0
SINCE JUL 1 0 6 -6 0
COOLING
YESTERDAY 6 5 1 4
MONTH TO DATE 196 97 99 135
SINCE SEP 1 196 97 99 135
SINCE JAN 1 1311 1153 158 1313
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 9.4
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 6:00 AM
LOWEST 26 2:00 PM
AVERAGE 49
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 95 1993
1998
MINIMUM TEMPERATURE (F) 58 38 1985
SUNRISE AND SUNSET
SEPTEMBER 15 2023.....SUNRISE 6:51 AM EDT SUNSET 7:18 PM EDT
SEPTEMBER 16 2023.....SUNRISE 6:52 AM EDT SUNSET 7:17 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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