{"title":"Washington, D.C.: Days with 100 mm or more rain, days by year","description":"Days by year for Days with 100 mm or more rain in Washington, D.C..","dataAsOf":"2026-10-17T00:00:00Z","lastRevised":"2026-10-18","source":"Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products.","licence":"US Government open data (NOAA NCEI)","page":"https://worldextremeweathermonitor.com/cities/washington-dc/days-over-100mm-rain/","columns":[{"name":"threshold","description":"Threshold id, for example tmax_ge_40c."},{"name":"year","description":"Calendar year."},{"name":"days","description":"Days in the year at or beyond the threshold."},{"name":"first","description":"First qualifying date of the year."},{"name":"last","description":"Last qualifying date of the year."},{"name":"longest_streak","description":"Longest run of consecutive qualifying days inside the year."}],"rows":[{"threshold":"prcp_ge_100mm","year":1942,"days":1,"first":"1942-08-08","last":"1942-08-08","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1944,"days":1,"first":"1944-08-02","last":"1944-08-02","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1955,"days":1,"first":"1955-08-12","last":"1955-08-12","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1963,"days":1,"first":"1963-08-20","last":"1963-08-20","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1966,"days":1,"first":"1966-09-14","last":"1966-09-14","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1969,"days":1,"first":"1969-07-22","last":"1969-07-22","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1970,"days":1,"first":"1970-07-09","last":"1970-07-09","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1972,"days":1,"first":"1972-06-21","last":"1972-06-21","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1976,"days":1,"first":"1976-09-16","last":"1976-09-16","longest_streak":1},{"threshold":"prcp_ge_100mm","year":2006,"days":2,"first":"2006-06-25","last":"2006-06-26","longest_streak":2},{"threshold":"prcp_ge_100mm","year":2010,"days":1,"first":"2010-09-30","last":"2010-09-30","longest_streak":1},{"threshold":"prcp_ge_100mm","year":2018,"days":1,"first":"2018-07-21","last":"2018-07-21","longest_streak":1},{"threshold":"prcp_ge_100mm","year":2022,"days":1,"first":"2022-07-09","last":"2022-07-09","longest_streak":1}]}