Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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915
CDUS41 KLWX 150527
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
127 AM EDT SUN SEP 15 2024
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 14 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 85 3:23 PM 95 1998 80 5 80
MINIMUM 58 4:36 AM 37 1985 59 -1 62
AVERAGE 72 69 3 71
PRECIPITATION (IN)
YESTERDAY 0.00 5.52 1966 0.14 -0.14 0.00
MONTH TO DATE T 1.75 -1.75 3.50
SINCE SEP 1 T 1.75 -1.75 3.50
SINCE JAN 1 25.78 30.97 -5.19 22.72
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 1 -1 0
MONTH TO DATE 11 5 6 0
SINCE SEP 1 11 5 6 0
SINCE JUL 1 13 6 7 0
COOLING
YESTERDAY 7 5 2 6
MONTH TO DATE 45 97 -52 196
SINCE SEP 1 45 97 -52 196
SINCE JAN 1 1459 1153 306 1311
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 5.0
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 3:00 AM
LOWEST 33 3:00 PM
AVERAGE 65
..........................................................
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 2024.....SUNRISE 6:52 AM EDT SUNSET 7:17 PM EDT
SEPTEMBER 16 2024.....SUNRISE 6:53 AM EDT SUNSET 7:16 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$