396
CDUS41 KLWX 182124
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
524 PM EDT SUN MAY 18 2025
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 18 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 78 4:36 PM 96 1877 77 1 65
MINIMUM 68 5:01 AM 40 1973 59 9 62
AVERAGE 73 68 5 64
PRECIPITATION (IN)
TODAY 0.00 1.38 1936 0.13 -0.13 0.55
MONTH TO DATE 4.75 2.27 2.48 3.27
SINCE MAR 1 10.27 8.98 1.29 10.22
SINCE JAN 1 15.06 14.46 0.60 17.51
SNOWFALL (IN)
TODAY 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 2.0 -2.0 T
SINCE JUL 1 14.9 13.7 1.2 8.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 2 -2 1
MONTH TO DATE 9 47 -38 33
SINCE MAR 1 521 827 -306 607
SINCE JUL 1 3261 3750 -489 3159
COOLING
TODAY 8 4 4 0
MONTH TO DATE 100 55 45 64
SINCE MAR 1 192 90 102 112
SINCE JAN 1 192 90 102 113
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 13.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 45 9:00 AM
LOWEST 39 4:00 PM
AVERAGE 42
......................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 96 1911
1997
MINIMUM TEMPERATURE (F) 59 43 1976
SUNRISE AND SUNSET
MAY 18 2025...........SUNRISE 5:53 AM EDT SUNSET 8:17 PM EDT
MAY 19 2025...........SUNRISE 5:52 AM EDT SUNSET 8:18 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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