251
CDUS41 KLWX 190530
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
130 AM EDT FRI MAY 19 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 18 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 70 3:07 PM 91 1987 75 -5 75
MINIMUM 46 5:03 AM 33 1973 54 -8 52
AVERAGE 58 64 -6 64
PRECIPITATION (IN)
YESTERDAY 0.00 3.13 1988 0.15 -0.15 T
MONTH TO DATE 0.75 2.68 -1.93 4.14
SINCE MAR 1 5.62 9.65 -4.03 8.31
SINCE JAN 1 9.25 15.20 -5.95 14.51
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
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 7 3 4 1
MONTH TO DATE 92 84 8 75
SINCE MAR 1 875 1051 -176 941
SINCE JUL 1 3829 4561 -732 4015
COOLING
YESTERDAY 0 3 -3 0
MONTH TO DATE 16 35 -19 28
SINCE MAR 1 61 57 4 42
SINCE JAN 1 61 57 4 42
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 6.6
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 55 11:00 PM
LOWEST 39 9:00 AM
AVERAGE 47
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 92 1996
1997
MINIMUM TEMPERATURE (F) 54 36 2002
SUNRISE AND SUNSET
MAY 19 2023...........SUNRISE 5:54 AM EDT SUNSET 8:19 PM EDT
MAY 20 2023...........SUNRISE 5:53 AM EDT SUNSET 8:20 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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