966
CDUS41 KLWX 270521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
121 AM EDT THU APR 27 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 26 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 12:50 PM 92 1990 71 -2 68
2009
MINIMUM 38 2:38 AM 31 1967 47 -9 53
AVERAGE 54 59 -5 61
PRECIPITATION (IN)
YESTERDAY 0.02 0.93 2004 0.12 -0.10 0.03
MONTH TO DATE 0.83 2.95 -2.12 2.25
SINCE MAR 1 2.40 6.45 -4.05 4.17
SINCE JAN 1 6.03 12.00 -5.97 10.37
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0
2002
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 11 7 4 4
MONTH TO DATE 185 293 -108 288
SINCE MAR 1 755 940 -185 811
SINCE JUL 1 3709 4450 -741 3885
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 44 15 29 11
SINCE MAR 1 45 17 28 14
SINCE JAN 1 45 17 28 14
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 5:00 AM
LOWEST 41 12:00 PM
AVERAGE 64
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 92 1990
2009
MINIMUM TEMPERATURE (F) 47 31 1972
1987
SUNRISE AND SUNSET
APRIL 27 2023.........SUNRISE 6:17 AM EDT SUNSET 7:58 PM EDT
APRIL 28 2023.........SUNRISE 6:16 AM EDT SUNSET 7:59 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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