Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 190624
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
224 AM EDT SAT APR 19 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 18 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 80 4:58 PM 90 1976 68 12 79
MINIMUM 41 2:31 AM 29 2018 44 -3 53
AVERAGE 61 56 5 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.59 1978 0.11 -0.11 T
MONTH TO DATE 1.37 1.98 -0.61 1.43
SINCE MAR 1 2.79 5.48 -2.69 5.32
SINCE JAN 1 7.21 11.03 -3.82 12.77
SNOWFALL (IN)
YESTERDAY 0.0 T 2022 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 4 10 -6 0
MONTH TO DATE 217 226 -9 134
SINCE MAR 1 667 873 -206 598
SINCE JUL 1 3989 4383 -394 3562
COOLING
YESTERDAY 0 1 -1 1
MONTH TO DATE 2 7 -5 19
SINCE MAR 1 19 9 10 19
SINCE JAN 1 19 9 10 22
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 11.8
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 6:00 AM
LOWEST 28 3:00 PM
AVERAGE 52
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 91 2002
MINIMUM TEMPERATURE (F) 44 27 1990
2001
SUNRISE AND SUNSET
APRIL 19 2025.........SUNRISE 6:27 AM EDT SUNSET 7:51 PM EDT
APRIL 20 2025.........SUNRISE 6:26 AM EDT SUNSET 7:52 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$