{"title":"San Antonio Calpulalapan: threshold days by year","description":"Days at or beyond each fixed threshold at San Antonio Calpulalapan, 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/MXN00029019/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":1975,"days":1,"first":"1975-04-18","last":"1975-04-18","longest_streak":1},{"threshold":"tmax_ge_30c","year":1977,"days":5,"first":"1977-03-18","last":"1977-03-31","longest_streak":3},{"threshold":"tmax_ge_30c","year":1978,"days":11,"first":"1978-04-17","last":"1978-05-12","longest_streak":7},{"threshold":"tmax_ge_30c","year":1979,"days":8,"first":"1979-01-24","last":"1979-06-19","longest_streak":1},{"threshold":"tmax_ge_30c","year":1980,"days":7,"first":"1980-03-09","last":"1980-06-02","longest_streak":3},{"threshold":"tmax_ge_30c","year":1981,"days":3,"first":"1981-03-31","last":"1981-05-13","longest_streak":1},{"threshold":"tmax_ge_30c","year":1982,"days":14,"first":"1982-03-13","last":"1982-06-08","longest_streak":3},{"threshold":"tmax_ge_30c","year":1983,"days":181,"first":"1983-02-21","last":"1983-11-30","longest_streak":43},{"threshold":"tmax_ge_30c","year":1984,"days":12,"first":"1984-04-08","last":"1984-05-03","longest_streak":9},{"threshold":"tmax_ge_30c","year":1985,"days":3,"first":"1985-05-13","last":"1985-05-15","longest_streak":3},{"threshold":"tmax_ge_30c","year":1986,"days":10,"first":"1986-04-04","last":"1986-05-16","longest_streak":3},{"threshold":"tmax_ge_30c","year":1987,"days":1,"first":"1987-03-25","last":"1987-03-25","longest_streak":1},{"threshold":"tmax_ge_30c","year":1997,"days":6,"first":"1997-03-02","last":"1997-06-15","longest_streak":3},{"threshold":"tmax_ge_30c","year":1998,"days":69,"first":"1998-03-26","last":"1998-06-24","longest_streak":27},{"threshold":"tmax_ge_30c","year":1999,"days":13,"first":"1999-04-02","last":"1999-06-28","longest_streak":10},{"threshold":"tmax_ge_30c","year":2005,"days":278,"first":"2005-01-01","last":"2005-12-31","longest_streak":82},{"threshold":"tmax_ge_35c","year":1983,"days":46,"first":"1983-03-21","last":"1983-06-20","longest_streak":21},{"threshold":"tmax_ge_35c","year":1998,"days":2,"first":"1998-05-08","last":"1998-05-09","longest_streak":2},{"threshold":"tmax_ge_35c","year":2005,"days":71,"first":"2005-02-09","last":"2005-09-16","longest_streak":13},{"threshold":"tmax_ge_40c","year":1983,"days":1,"first":"1983-05-02","last":"1983-05-02","longest_streak":1},{"threshold":"tmax_ge_40c","year":2005,"days":1,"first":"2005-06-05","last":"2005-06-05","longest_streak":1},{"threshold":"tmax_ge_90f","year":1983,"days":95,"first":"1983-03-18","last":"1983-10-07","longest_streak":43},{"threshold":"tmax_ge_90f","year":1998,"days":28,"first":"1998-04-01","last":"1998-06-15","longest_streak":6},{"threshold":"tmax_ge_90f","year":1999,"days":7,"first":"1999-04-05","last":"1999-04-11","longest_streak":7},{"threshold":"tmax_ge_90f","year":2005,"days":182,"first":"2005-01-03","last":"2005-12-31","longest_streak":31},{"threshold":"tmax_ge_100f","year":1983,"days":12,"first":"1983-04-21","last":"1983-06-11","longest_streak":5},{"threshold":"tmax_ge_100f","year":2005,"days":9,"first":"2005-04-11","last":"2005-06-12","longest_streak":3},{"threshold":"tmin_le_0c","year":1975,"days":44,"first":"1975-01-01","last":"1975-12-31","longest_streak":9},{"threshold":"tmin_le_0c","year":1976,"days":32,"first":"1976-01-01","last":"1976-02-29","longest_streak":7},{"threshold":"tmin_le_0c","year":1977,"days":15,"first":"1977-01-04","last":"1977-12-24","longest_streak":3},{"threshold":"tmin_le_0c","year":1978,"days":18,"first":"1978-01-11","last":"1978-03-09","longest_streak":5},{"threshold":"tmin_le_0c","year":1979,"days":11,"first":"1979-01-03","last":"1979-10-02","longest_streak":3},{"threshold":"tmin_le_0c","year":1980,"days":19,"first":"1980-01-04","last":"1980-12-31","longest_streak":10},{"threshold":"tmin_le_0c","year":1981,"days":20,"first":"1981-01-01","last":"1981-11-26","longest_streak":5},{"threshold":"tmin_le_0c","year":1982,"days":21,"first":"1982-02-03","last":"1982-12-28","longest_streak":11},{"threshold":"tmin_le_0c","year":1983,"days":35,"first":"1983-01-22","last":"1983-12-31","longest_streak":14},{"threshold":"tmin_le_0c","year":1984,"days":19,"first":"1984-01-01","last":"1984-12-27","longest_streak":4},{"threshold":"tmin_le_0c","year":1985,"days":10,"first":"1985-01-05","last":"1985-11-04","longest_streak":5},{"threshold":"tmin_le_0c","year":1986,"days":30,"first":"1986-01-06","last":"1986-12-31","longest_streak":6},{"threshold":"tmin_le_0c","year":1987,"days":26,"first":"1987-01-03","last":"1987-11-06","longest_streak":4},{"threshold":"tmin_le_0c","year":1997,"days":210,"first":"1997-01-01","last":"1997-12-31","longest_streak":23},{"threshold":"tmin_le_0c","year":1998,"days":169,"first":"1998-01-01","last":"1998-12-31","longest_streak":80},{"threshold":"tmin_le_0c","year":1999,"days":210,"first":"1999-01-01","last":"1999-12-31","longest_streak":49},{"threshold":"tmin_le_0c","year":2005,"days":239,"first":"2005-01-01","last":"2005-12-31","longest_streak":75},{"threshold":"tmin_le_m10c","year":1997,"days":4,"first":"1997-01-11","last":"1997-12-15","longest_streak":3},{"threshold":"tmin_le_m10c","year":1999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