893
CDUS41 KLWX 150627
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EDT TUE APR 15 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 14 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 76 4:56 PM 87 1960 67 9 84
MINIMUM 43 12:28 AM 20 1975 43 0 42
AVERAGE 60 55 5 63
PRECIPITATION (IN)
YESTERDAY 0.18 2.13 1970 0.11 0.07 0.00
MONTH TO DATE 1.37 1.54 -0.17 1.43
SINCE MAR 1 2.79 5.04 -2.25 5.32
SINCE JAN 1 7.21 10.59 -3.38 12.77
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0
2002
MONTH TO DATE 0.0 0.1 -0.1 T
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 5 11 -6 2
MONTH TO DATE 178 185 -7 132
SINCE MAR 1 628 832 -204 596
SINCE JUL 1 3950 4342 -392 3560
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 2 3 -1 9
SINCE MAR 1 19 5 14 9
SINCE JAN 1 19 5 14 12
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 11:00 PM
LOWEST 33 3:00 PM
AVERAGE 63
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 87 1967
MINIMUM TEMPERATURE (F) 43 28 1971
1997
SUNRISE AND SUNSET
APRIL 15 2025.........SUNRISE 6:33 AM EDT SUNSET 7:47 PM EDT
APRIL 16 2025.........SUNRISE 6:31 AM EDT SUNSET 7:48 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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