{"title":"Boston: Days with 100 mm or more rain, days by year","description":"Days by year for Days with 100 mm or more rain in Boston.","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/boston/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":1954,"days":2,"first":"1954-05-16","last":"1954-09-11","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1955,"days":2,"first":"1955-08-18","last":"1955-08-19","longest_streak":2},{"threshold":"prcp_ge_100mm","year":1984,"days":1,"first":"1984-05-31","last":"1984-05-31","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1992,"days":1,"first":"1992-12-12","last":"1992-12-12","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1996,"days":1,"first":"1996-10-20","last":"1996-10-20","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1998,"days":1,"first":"1998-06-13","last":"1998-06-13","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1999,"days":1,"first":"1999-09-10","last":"1999-09-10","longest_streak":1},{"threshold":"prcp_ge_100mm","year":2000,"days":1,"first":"2000-06-06","last":"2000-06-06","longest_streak":1},{"threshold":"prcp_ge_100mm","year":2004,"days":1,"first":"2004-04-01","last":"2004-04-01","longest_streak":1}]}