885
CDUS41 KLWX 300525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
125 AM EDT SAT SEP 30 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 29 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 69 5:24 PM 89 2019 74 -5 70
MINIMUM 61 8:01 AM 34 1978 52 9 51
AVERAGE 65 63 2 61
PRECIPITATION (IN)
YESTERDAY 0.01 2.23 1963 0.14 -0.13 0.00
MONTH TO DATE 6.65 3.79 2.86 2.81
SINCE SEP 1 6.65 3.79 2.86 2.81
SINCE JAN 1 25.87 33.01 -7.14 30.31
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE T 0.0 0.0 0.0
SINCE SEP 1 T 0.0 0.0 0.0
SINCE JUL 1 T 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 4
MONTH TO DATE 16 39 -23 30
SINCE SEP 1 16 39 -23 30
SINCE JUL 1 16 40 -24 30
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 211 149 62 176
SINCE SEP 1 211 149 62 176
SINCE JAN 1 1326 1205 121 1354
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 8.4
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 9:00 AM
LOWEST 73 6:00 PM
AVERAGE 83
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 92 1986
MINIMUM TEMPERATURE (F) 52 35 1993
SUNRISE AND SUNSET
SEPTEMBER 30 2023.....SUNRISE 7:05 AM EDT SUNSET 6:54 PM EDT
OCTOBER 1 2023.......SUNRISE 7:06 AM EDT SUNSET 6:53 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page