739
CDUS41 KLWX 170531
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
131 AM EDT FRI MAY 17 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 16 2024
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 80 5:02 PM 90 1998 75 5 80
MINIMUM 54 3:15 AM 35 2000 53 1 54
AVERAGE 67 64 3 67
PRECIPITATION (IN)
YESTERDAY 0.00 1.97 2014 0.15 -0.15 T
MONTH TO DATE 2.47 2.37 0.10 0.75
SINCE MAR 1 8.10 9.34 -1.24 5.62
SINCE JAN 1 15.55 14.89 0.66 9.25
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 T
SINCE JUL 1 11.7 21.0 -9.3 0.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 45 77 -32 84
SINCE MAR 1 724 1044 -320 867
SINCE JUL 1 3688 4554 -866 3831
COOLING
YESTERDAY 2 3 -1 2
MONTH TO DATE 44 29 15 16
SINCE MAR 1 88 51 37 61
SINCE JAN 1 91 51 40 61
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 8.3
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 AM
LOWEST 45 3:00 PM
AVERAGE 71
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 93 1960
MINIMUM TEMPERATURE (F) 53 30 1984
SUNRISE AND SUNSET
MAY 17 2024...........SUNRISE 5:55 AM EDT SUNSET 8:18 PM EDT
MAY 18 2024...........SUNRISE 5:54 AM EDT SUNSET 8:19 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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