{"title":"Helmans Tank: threshold days by year","description":"Days at or beyond each fixed threshold at Helmans Tank, by year.","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/stations/ASN00048187/thresholds/","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_10mm","year":1888,"days":4,"first":"1888-02-12","last":"1888-09-23","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1889,"days":21,"first":"1889-01-04","last":"1889-12-12","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1890,"days":21,"first":"1890-01-11","last":"1890-11-13","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1891,"days":14,"first":"1891-01-05","last":"1891-12-01","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1892,"days":7,"first":"1892-05-26","last":"1892-10-25","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1893,"days":16,"first":"1893-01-18","last":"1893-11-21","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1895,"days":9,"first":"1895-01-29","last":"1895-11-30","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1897,"days":14,"first":"1897-01-07","last":"1897-12-28","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1898,"days":9,"first":"1898-01-13","last":"1898-10-21","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1899,"days":9,"first":"1899-01-18","last":"1899-11-22","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1909,"days":10,"first":"1909-01-19","last":"1909-12-23","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1910,"days":11,"first":"1910-01-10","last":"1910-12-11","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1911,"days":17,"first":"1911-02-01","last":"1911-12-04","longest_streak":4},{"threshold":"prcp_ge_10mm","year":1912,"days":6,"first":"1912-03-09","last":"1912-07-13","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1914,"days":4,"first":"1914-06-30","last":"1914-12-01","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1915,"days":8,"first":"1915-04-04","last":"1915-10-14","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1916,"days":11,"first":"1916-04-02","last":"1916-12-11","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1888,"days":1,"first":"1888-05-04","last":"1888-05-04","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1889,"days":4,"first":"1889-04-06","last":"1889-05-22","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1890,"days":7,"first":"1890-01-11","last":"1890-05-30","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1891,"days":4,"first":"1891-01-15","last":"1891-05-30","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1892,"days":2,"first":"1892-09-22","last":"1892-10-16","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1893,"days":6,"first":"1893-01-18","last":"1893-11-21","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1895,"days":2,"first":"1895-10-01","last":"1895-11-02","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1897,"days":2,"first":"1897-06-18","last":"1897-09-20","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1898,"days":2,"first":"1898-02-12","last":"1898-08-30","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1899,"days":1,"first":"1899-08-23","last":"1899-08-23","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1910,"days":3,"first":"1910-01-10","last":"1910-03-06","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1911,"days":4,"first":"1911-02-03","last":"1911-12-01","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1912,"days":2,"first":"1912-03-09","last":"1912-06-09","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1914,"days":1,"first":"1914-12-01","last":"1914-12-01","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1915,"days":1,"first":"1915-05-14","last":"1915-05-14","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1916,"days":4,"first":"1916-04-02","last":"1916-10-23","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1890,"days":2,"first":"1890-01-11","last":"1890-01-12","longest_streak":2},{"threshold":"prcp_ge_50mm","year":1891,"days":1,"first":"1891-01-16","last":"1891-01-16","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1911,"days":1,"first":"1911-02-03","last":"1911-02-03","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1914,"days":1,"first":"1914-12-01","last":"1914-12-01","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1891,"days":1,"first":"1891-01-16","last":"1891-01-16","longest_streak":1}]}