Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 230521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
121 AM EDT MON SEP 23 2024
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 22 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 74 4:53 PM 94 1970 77 -3 74
1980
2010
MINIMUM 64 5:43 AM 35 1962 56 8 57
AVERAGE 69 66 3 66
PRECIPITATION (IN)
YESTERDAY 0.02 1.57 1982 0.12 -0.10 0.07
MONTH TO DATE 0.64 2.86 -2.22 3.68
SINCE SEP 1 0.64 2.86 -2.22 3.68
SINCE JAN 1 26.42 32.08 -5.66 22.90
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 2 -2 0
MONTH TO DATE 11 18 -7 1
SINCE SEP 1 11 18 -7 1
SINCE JUL 1 13 19 -6 1
COOLING
YESTERDAY 4 3 1 1
MONTH TO DATE 97 131 -34 209
SINCE SEP 1 97 131 -34 209
SINCE JAN 1 1511 1187 324 1324
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 6:00 AM
LOWEST 69 1:00 PM
AVERAGE 83
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 94 2019
MINIMUM TEMPERATURE (F) 55 33 1983
SUNRISE AND SUNSET
SEPTEMBER 23 2024.....SUNRISE 6:59 AM EDT SUNSET 7:04 PM EDT
SEPTEMBER 24 2024.....SUNRISE 7:00 AM EDT SUNSET 7:03 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$