Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 142128
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
528 PM EDT SAT SEP 14 2024
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 14 2024...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
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)
TODAY 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)
TODAY 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
TODAY 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
TODAY 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 5.1
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 3:00 AM
LOWEST 33 3:00 PM
AVERAGE 65
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 95 1993
1998
MINIMUM TEMPERATURE (F) 58 38 1985
SUNRISE AND SUNSET
SEPTEMBER 14 2024.....SUNRISE 6:51 AM EDT SUNSET 7:19 PM EDT
SEPTEMBER 15 2024.....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.
$$