079
CDUS41 KLWX 290622
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
222 AM EDT THU MAY 29 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 28 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 58 11:59 PM 90 1991 78 -20 82
2012
2019
MINIMUM 52 8:07 AM 37 1994 57 -5 61
AVERAGE 55 67 -12 72
PRECIPITATION (IN)
YESTERDAY 1.17 2.16 1982 0.16 1.01 0.10
MONTH TO DATE 5.25 4.26 0.99 4.11
SINCE MAR 1 8.68 11.23 -2.55 9.74
SINCE JAN 1 13.10 16.78 -3.68 17.19
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 10 2 8 0
MONTH TO DATE 73 110 -37 47
SINCE MAR 1 764 1077 -313 726
SINCE JUL 1 4086 4587 -501 3690
COOLING
YESTERDAY 0 4 -4 7
MONTH TO DATE 68 71 -3 133
SINCE MAR 1 115 93 22 177
SINCE JAN 1 115 93 22 180
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 9.0
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 PM
LOWEST 89 2:00 AM
AVERAGE 93
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 97 1969
MINIMUM TEMPERATURE (F) 57 40 1997
SUNRISE AND SUNSET
MAY 29 2025...........SUNRISE 5:47 AM EDT SUNSET 8:28 PM EDT
MAY 30 2025...........SUNRISE 5:47 AM EDT SUNSET 8:28 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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