{"title":"Johannesburg Intl: threshold days by year","description":"Days at or beyond each fixed threshold at Johannesburg Intl, 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/SFM00068368/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":"tmax_ge_30c","year":1982,"days":12,"first":"1982-01-01","last":"1982-12-30","longest_streak":4},{"threshold":"tmax_ge_30c","year":1983,"days":28,"first":"1983-01-05","last":"1983-10-31","longest_streak":6},{"threshold":"tmax_ge_30c","year":1984,"days":21,"first":"1984-01-12","last":"1984-12-31","longest_streak":8},{"threshold":"tmax_ge_30c","year":1985,"days":18,"first":"1985-01-01","last":"1985-11-25","longest_streak":4},{"threshold":"tmax_ge_30c","year":1986,"days":1,"first":"1986-01-14","last":"1986-01-14","longest_streak":1},{"threshold":"tmax_ge_30c","year":1987,"days":8,"first":"1987-01-28","last":"1987-12-11","longest_streak":2},{"threshold":"tmax_ge_30c","year":1990,"days":10,"first":"1990-11-11","last":"1990-12-02","longest_streak":5},{"threshold":"tmax_ge_30c","year":1991,"days":6,"first":"1991-01-01","last":"1991-10-08","longest_streak":2},{"threshold":"tmax_ge_30c","year":1992,"days":40,"first":"1992-01-07","last":"1992-12-29","longest_streak":6},{"threshold":"tmax_ge_30c","year":1993,"days":10,"first":"1993-01-06","last":"1993-01-22","longest_streak":7},{"threshold":"tmax_ge_30c","year":1994,"days":5,"first":"1994-01-12","last":"1994-12-23","longest_streak":2},{"threshold":"tmax_ge_30c","year":1995,"days":15,"first":"1995-01-27","last":"1995-10-13","longest_streak":4},{"threshold":"tmax_ge_30c","year":1996,"days":7,"first":"1996-01-03","last":"1996-11-06","longest_streak":5},{"threshold":"tmax_ge_30c","year":1997,"days":14,"first":"1997-02-21","last":"1997-11-09","longest_streak":4},{"threshold":"tmax_ge_30c","year":1998,"days":2,"first":"1998-02-07","last":"1998-02-08","longest_streak":2},{"threshold":"tmax_ge_30c","year":1999,"days":10,"first":"1999-02-28","last":"1999-11-05","longest_streak":6},{"threshold":"tmax_ge_30c","year":2001,"days":5,"first":"2001-01-10","last":"2001-01-25","longest_streak":3},{"threshold":"tmax_ge_30c","year":2014,"days":8,"first":"2014-01-16","last":"2014-12-05","longest_streak":2},{"threshold":"tmax_ge_30c","year":2015,"days":36,"first":"2015-02-10","last":"2015-12-31","longest_streak":8},{"threshold":"tmax_ge_35c","year":1983,"days":1,"first":"1983-03-17","last":"1983-03-17","longest_streak":1},{"threshold":"tmax_ge_90f","year":1982,"days":1,"first":"1982-12-29","last":"1982-12-29","longest_streak":1},{"threshold":"tmax_ge_90f","year":1983,"days":8,"first":"1983-01-11","last":"1983-03-17","longest_streak":4},{"threshold":"tmax_ge_90f","year":1984,"days":4,"first":"1984-02-15","last":"1984-12-30","longest_streak":2},{"threshold":"tmax_ge_90f","year":1985,"days":1,"first":"1985-11-19","last":"1985-11-19","longest_streak":1},{"threshold":"tmax_ge_90f","year":1990,"days":4,"first":"1990-11-12","last":"1990-11-15","longest_streak":4},{"threshold":"tmax_ge_90f","year":1993,"days":8,"first":"1993-01-09","last":"1993-01-22","longest_streak":7},{"threshold":"tmax_ge_90f","year":1994,"days":3,"first":"1994-01-12","last":"1994-12-15","longest_streak":2},{"threshold":"tmax_ge_90f","year":1997,"days":1,"first":"1997-09-20","last":"1997-09-20","longest_streak":1},{"threshold":"tmax_ge_90f","year":2001,"days":2,"first":"2001-01-11","last":"2001-01-12","longest_streak":2},{"threshold":"tmax_ge_90f","year":2015,"days":7,"first":"2015-11-01","last":"2015-12-24","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1977,"days":18,"first":"1977-01-12","last":"1977-12-23","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1978,"days":23,"first":"1978-01-01","last":"1978-11-27","longest_streak":4},{"threshold":"prcp_ge_10mm","year":1979,"days":25,"first":"1979-01-06","last":"1979-12-24","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1980,"days":26,"first":"1980-01-08","last":"1980-12-01","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1981,"days":20,"first":"1981-01-22","last":"1981-12-24","longest_streak":4},{"threshold":"prcp_ge_10mm","year":1983,"days":34,"first":"1983-01-01","last":"1983-12-31","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1997,"days":26,"first":"1997-01-04","last":"1997-12-30","longest_streak":4},{"threshold":"prcp_ge_10mm","year":1998,"days":23,"first":"1998-01-02","last":"1998-12-19","longest_streak":4},{"threshold":"prcp_ge_25mm","year":1977,"days":6,"first":"1977-01-21","last":"1977-11-30","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1978,"days":8,"first":"1978-01-01","last":"1978-03-13","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1979,"days":3,"first":"1979-03-03","last":"1979-11-26","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1980,"days":9,"first":"1980-01-08","last":"1980-11-29","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1981,"days":7,"first":"1981-01-23","last":"1981-11-22","longest_streak":3},{"threshold":"prcp_ge_25mm","year":1983,"days":5,"first":"1983-01-16","last":"1983-02-09","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1997,"days":10,"first":"1997-01-04","last":"1997-12-30","longest_streak":3},{"threshold":"prcp_ge_25mm","year":1998,"da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