459
CDUS41 KLWX 222124
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
524 PM EDT FRI OCT 22 2021
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 22 2021
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2021
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 69 2:30 PM 85 1979 66 3 82
MINIMUM 58 7:17 AM 26 1974 43 15 59
AVERAGE 64 54 10 71
PRECIPITATION (IN)
TODAY 0.00 0.90 1985 0.12 -0.12 0.00
MONTH TO DATE 0.49 2.64 -2.15 1.33
SINCE SEP 1 5.21 6.58 -1.37 3.61
SINCE JAN 1 29.80 35.80 -6.00 37.83
SNOWFALL (IN)
TODAY 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
TODAY 1 11 -10 0
MONTH TO DATE 40 169 -129 128
SINCE SEP 1 57 214 -157 189
SINCE JUL 1 57 215 -158 189
COOLING
TODAY 0 0 0 6
MONTH TO DATE 52 19 33 14
SINCE SEP 1 223 171 52 149
SINCE JAN 1 1475 1227 248 1401
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 9.1
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 3:00 AM
LOWEST 45 12:00 PM
AVERAGE 59
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 85 1978
MINIMUM TEMPERATURE (F) 43 21 1969
SUNRISE AND SUNSET
OCTOBER 22 2021.......SUNRISE 7:27 AM EDT SUNSET 6:21 PM EDT
OCTOBER 23 2021.......SUNRISE 7:28 AM EDT SUNSET 6:20 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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