964
CDUS41 KLWX 160622
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
222 AM EDT FRI MAY 16 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 15 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 4:22 PM 90 1962 75 6 67
MINIMUM 64 5:18 AM 37 1984 53 11 57
2016
AVERAGE 73 64 9 62
PRECIPITATION (IN)
YESTERDAY 0.08 2.40 2003 0.16 -0.08 0.08
MONTH TO DATE 3.33 2.22 1.11 2.47
SINCE MAR 1 6.76 9.19 -2.43 8.10
SINCE JAN 1 11.18 14.74 -3.56 15.55
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 0.0 4.0 -4.0 T
SINCE JUL 1 15.5 21.0 -5.5 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 3
MONTH TO DATE 20 73 -53 45
SINCE MAR 1 711 1040 -329 724
SINCE JUL 1 4033 4550 -517 3688
COOLING
YESTERDAY 8 2 6 0
MONTH TO DATE 40 26 14 42
SINCE MAR 1 87 48 39 86
SINCE JAN 1 87 48 39 89
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WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 3.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 4:00 AM
LOWEST 56 5:00 PM
AVERAGE 78
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 90 1998
MINIMUM TEMPERATURE (F) 53 35 2000
SUNRISE AND SUNSET
MAY 16 2025...........SUNRISE 5:56 AM EDT SUNSET 8:17 PM EDT
MAY 17 2025...........SUNRISE 5:55 AM EDT SUNSET 8:18 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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