Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 030624
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
224 AM EDT WED SEP 03 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 2 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 79 2:51 PM 99 1980 84 -5 78
MINIMUM 51 5:18 AM 44 1970 63 -12 58
AVERAGE 65 73 -8 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.97 1969 0.12 -0.12 0.00
MONTH TO DATE 0.00 0.24 -0.24 0.00
SINCE SEP 1 0.00 0.24 -0.24 0.00
SINCE JAN 1 24.64 29.46 -4.82 25.78
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 2 1 1 2
COOLING
YESTERDAY 0 8 -8 3
MONTH TO DATE 1 16 -15 15
SINCE SEP 1 1 16 -15 15
SINCE JAN 1 1149 1072 77 1429
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 3.4
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 35 2:00 PM
AVERAGE 68
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 99 2023
MINIMUM TEMPERATURE (F) 62 45 1967
SUNRISE AND SUNSET
SEPTEMBER 3 2025.....SUNRISE 6:41 AM EDT SUNSET 7:37 PM EDT
SEPTEMBER 4 2025.....SUNRISE 6:42 AM EDT SUNSET 7:35 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$