Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 280632
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
232 AM EDT MON APR 28 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 27 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 70 4:31 PM 92 1990 71 -1 58
2009
MINIMUM 45 11:59 PM 31 1972 47 -2 52
1987
AVERAGE 58 59 -1 55
PRECIPITATION (IN)
YESTERDAY 0.00 1.65 1973 0.13 -0.13 0.15
MONTH TO DATE 1.92 3.08 -1.16 1.60
SINCE MAR 1 3.34 6.58 -3.24 5.49
SINCE JAN 1 7.76 12.13 -4.37 12.94
SNOWFALL (IN)
YESTERDAY 0.0 T 1994 0.0 0.0 0.0
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 7 7 0 10
MONTH TO DATE 232 300 -68 215
SINCE MAR 1 682 947 -265 679
SINCE JUL 1 4004 4457 -453 3643
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 19 16 3 20
SINCE MAR 1 36 18 18 20
SINCE JAN 1 36 18 18 23
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 14.3
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 60 11:00 PM
LOWEST 21 6:00 PM
AVERAGE 41
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 88 1983
1990
2021
MINIMUM TEMPERATURE (F) 48 32 1972
1993
SUNRISE AND SUNSET
APRIL 28 2025.........SUNRISE 6:15 AM EDT SUNSET 8:00 PM EDT
APRIL 29 2025.........SUNRISE 6:14 AM EDT SUNSET 8:01 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$