Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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895
CDUS41 KLWX 132125
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
525 PM EDT FRI SEP 13 2024
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 13 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 81 3:47 PM 94 1974 80 1 84
MINIMUM 57 4:25 AM 43 1985 59 -2 69
AVERAGE 69 70 -1 77
PRECIPITATION (IN)
TODAY 0.00 0.68 1983 0.13 -0.13 0.00
MONTH TO DATE T 1.61 -1.61 3.50
SINCE SEP 1 T 1.61 -1.61 3.50
SINCE JAN 1 25.78 30.83 -5.05 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 4 7 0
SINCE SEP 1 11 4 7 0
SINCE JUL 1 13 5 8 0
COOLING
TODAY 4 6 -2 12
MONTH TO DATE 38 92 -54 190
SINCE SEP 1 38 92 -54 190
SINCE JAN 1 1452 1148 304 1305
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 5.3
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 58 3:00 PM
AVERAGE 76
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 95 1998
MINIMUM TEMPERATURE (F) 59 37 1985
SUNRISE AND SUNSET
SEPTEMBER 13 2024.....SUNRISE 6:50 AM EDT SUNSET 7:20 PM EDT
SEPTEMBER 14 2024.....SUNRISE 6:51 AM EDT SUNSET 7:19 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$