819
CDUS41 KLWX 140646
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
246 AM EDT WED MAY 14 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 13 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 67 11:01 AM 92 2000 74 -7 79
MINIMUM 62 11:59 PM 32 1976 52 10 44
AVERAGE 65 63 2 62
PRECIPITATION (IN)
YESTERDAY 1.71 1.93 1971 0.15 1.56 0.00
MONTH TO DATE 3.15 1.90 1.25 2.04
SINCE MAR 1 6.58 8.87 -2.29 7.67
SINCE JAN 1 11.00 14.42 -3.42 15.12
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 65 -45 41
SINCE MAR 1 711 1032 -321 720
SINCE JUL 1 4033 4542 -509 3684
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 29 22 7 42
SINCE MAR 1 76 44 32 86
SINCE JAN 1 76 44 32 89
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 11.9
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1:00 AM
LOWEST 90 12:00 PM
AVERAGE 94
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 89 2010
MINIMUM TEMPERATURE (F) 52 32 1996
2013
SUNRISE AND SUNSET
MAY 14 2025...........SUNRISE 5:58 AM EDT SUNSET 8:15 PM EDT
MAY 15 2025...........SUNRISE 5:57 AM EDT SUNSET 8:16 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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