{"title":"Mantyharju Halmeniemi: threshold days by year","description":"Days at or beyond each fixed threshold at Mantyharju Halmeniemi, 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/FIE00143201/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":1965,"days":13,"first":"1965-06-16","last":"1965-10-06","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1966,"days":11,"first":"1966-01-30","last":"1966-10-08","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1967,"days":4,"first":"1967-06-05","last":"1967-10-17","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1968,"days":5,"first":"1968-04-09","last":"1968-09-07","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1969,"days":11,"first":"1969-05-15","last":"1969-09-28","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1970,"days":10,"first":"1970-04-02","last":"1970-12-31","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1971,"days":6,"first":"1971-06-04","last":"1971-12-08","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1972,"days":11,"first":"1972-04-17","last":"1972-10-15","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1973,"days":12,"first":"1973-03-07","last":"1973-10-09","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1974,"days":14,"first":"1974-02-11","last":"1974-10-10","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1975,"days":7,"first":"1975-01-24","last":"1975-09-28","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1976,"days":4,"first":"1976-06-18","last":"1976-08-31","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1977,"days":15,"first":"1977-02-16","last":"1977-11-22","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1978,"days":8,"first":"1978-04-15","last":"1978-09-15","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1979,"days":16,"first":"1979-01-07","last":"1979-11-26","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1980,"days":12,"first":"1980-05-26","last":"1980-11-22","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1981,"days":17,"first":"1981-03-09","last":"1981-12-24","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1982,"days":11,"first":"1982-05-18","last":"1982-11-18","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1983,"days":12,"first":"1983-03-23","last":"1983-12-30","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1984,"days":15,"first":"1984-05-04","last":"1984-10-27","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1985,"days":19,"first":"1985-04-02","last":"1985-12-26","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1986,"days":8,"first":"1986-06-06","last":"1986-12-06","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1987,"days":13,"first":"1987-05-17","last":"1987-11-26","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1988,"days":13,"first":"1988-01-01","last":"1988-12-08","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1989,"days":7,"first":"1989-01-08","last":"1989-09-02","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1990,"days":10,"first":"1990-01-24","last":"1990-11-17","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1991,"days":15,"first":"1991-01-10","last":"1991-12-23","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1992,"days":8,"first":"1992-03-12","last":"1992-11-06","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1993,"days":13,"first":"1993-01-15","last":"1993-12-19","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1994,"days":14,"first":"1994-03-24","last":"1994-12-11","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1995,"days":11,"first":"1995-01-08","last":"1995-11-17","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1996,"days":6,"first":"1996-04-17","last":"1996-07-09","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1997,"days":13,"first":"1997-04-14","last":"1997-11-25","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1998,"days":13,"first":"1998-01-10","last":"1998-08-28","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1999,"days":14,"first":"1999-02-04","last":"1999-12-17","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2000,"days":15,"first":"2000-01-29","last":"2000-11-30","longest_streak":1},{"threshold":"prcp_ge_10mm","year":2001,"days":12,"first":"2001-06-04","last":"2001-11-06","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2002,"days":12,"first":"2002-01-22","last":"2002-11-26","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2003,"days":14,"first":"2003-04-13","last":"2003-12-21","longest_streak":3},{"threshold":"prcp_ge_10mm","year":2004,"days":14,"first":"2004-01-31","last":"2004-12-22","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2005,"days":23,"first":"2005-01-07","last":"2005-12-24","longest_streak":3},{"threshold":"prcp_ge_10mm","year":2006,"days":12,"first":"2006-06-22","last":"2006-12-05","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2007,"days":21,"first":"2007-02-02","last":"2007-10-30","longest_streak":3},{"threshold":"prcp_ge_25mm","year":1965,"days":1,"first":"1965-06-23","last":"1965-06-23","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1966,"days":3,"first":"1966-04-25","last":"1966-08-07","longest_streak":1},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