850
CDUS41 KLWX 280523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT FRI APR 28 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 27 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 72 2:57 PM 92 1990 71 1 62
2009
MINIMUM 46 5:50 AM 31 1972 47 -1 43
1987
AVERAGE 59 59 0 53
PRECIPITATION (IN)
YESTERDAY 0.00 1.65 1973 0.13 -0.13 0.00
MONTH TO DATE 0.83 3.08 -2.25 2.25
SINCE MAR 1 2.40 6.58 -4.18 4.17
SINCE JAN 1 6.03 12.13 -6.10 10.37
SNOWFALL (IN)
YESTERDAY 0.0 T 1994 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 T
SINCE MAR 1 T 4.0 -4.0 3.5
SINCE JUL 1 0.4 21.0 -20.6 15.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 6 7 -1 12
MONTH TO DATE 191 300 -109 300
SINCE MAR 1 761 947 -186 823
SINCE JUL 1 3715 4457 -742 3897
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 44 16 28 11
SINCE MAR 1 45 18 27 14
SINCE JAN 1 45 18 27 14
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 5.7
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 6:00 AM
LOWEST 46 4:00 PM
AVERAGE 68
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 88 1983
1990
2021
MINIMUM TEMPERATURE (F) 48 32 1972
1993
SUNRISE AND SUNSET
APRIL 28 2023.........SUNRISE 6:16 AM EDT SUNSET 7:59 PM EDT
APRIL 29 2023.........SUNRISE 6:15 AM EDT SUNSET 8:00 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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