{"title":"Los Angeles: Days at or above 40 C, days by year","description":"Days by year for Days at or above 40 C in Los Angeles.","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/los-angeles/days-above-40c/","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_40c","year":1913,"days":1,"first":"1913-09-17","last":"1913-09-17","longest_streak":1},{"threshold":"tmax_ge_40c","year":1939,"days":3,"first":"1939-09-19","last":"1939-09-21","longest_streak":3},{"threshold":"tmax_ge_40c","year":1950,"days":1,"first":"1950-10-13","last":"1950-10-13","longest_streak":1},{"threshold":"tmax_ge_40c","year":1955,"days":2,"first":"1955-09-01","last":"1955-09-02","longest_streak":2},{"threshold":"tmax_ge_40c","year":1957,"days":1,"first":"1957-06-18","last":"1957-06-18","longest_streak":1},{"threshold":"tmax_ge_40c","year":1958,"days":1,"first":"1958-10-16","last":"1958-10-16","longest_streak":1},{"threshold":"tmax_ge_40c","year":1963,"days":4,"first":"1963-09-25","last":"1963-09-28","longest_streak":4},{"threshold":"tmax_ge_40c","year":1970,"days":1,"first":"1970-09-27","last":"1970-09-27","longest_streak":1},{"threshold":"tmax_ge_40c","year":1971,"days":1,"first":"1971-09-13","last":"1971-09-13","longest_streak":1},{"threshold":"tmax_ge_40c","year":1973,"days":2,"first":"1973-06-20","last":"1973-06-21","longest_streak":2},{"threshold":"tmax_ge_40c","year":1978,"days":3,"first":"1978-09-23","last":"1978-09-25","longest_streak":3},{"threshold":"tmax_ge_40c","year":1979,"days":1,"first":"1979-06-11","last":"1979-06-11","longest_streak":1},{"threshold":"tmax_ge_40c","year":1981,"days":2,"first":"1981-06-16","last":"1981-06-17","longest_streak":2},{"threshold":"tmax_ge_40c","year":1983,"days":1,"first":"1983-08-06","last":"1983-08-06","longest_streak":1},{"threshold":"tmax_ge_40c","year":1984,"days":1,"first":"1984-09-05","last":"1984-09-05","longest_streak":1},{"threshold":"tmax_ge_40c","year":1985,"days":1,"first":"1985-07-01","last":"1985-07-01","longest_streak":1},{"threshold":"tmax_ge_40c","year":1987,"days":2,"first":"1987-10-03","last":"1987-10-04","longest_streak":2},{"threshold":"tmax_ge_40c","year":1988,"days":1,"first":"1988-09-04","last":"1988-09-04","longest_streak":1},{"threshold":"tmax_ge_40c","year":1989,"days":2,"first":"1989-04-05","last":"1989-04-06","longest_streak":2},{"threshold":"tmax_ge_40c","year":1990,"days":2,"first":"1990-06-26","last":"1990-06-27","longest_streak":2},{"threshold":"tmax_ge_40c","year":1991,"days":1,"first":"1991-10-10","last":"1991-10-10","longest_streak":1},{"threshold":"tmax_ge_40c","year":1994,"days":1,"first":"1994-08-12","last":"1994-08-12","longest_streak":1},{"threshold":"tmax_ge_40c","year":1998,"days":1,"first":"1998-09-01","last":"1998-09-01","longest_streak":1},{"threshold":"tmax_ge_40c","year":2010,"days":2,"first":"2010-09-26","last":"2010-09-27","longest_streak":2},{"threshold":"tmax_ge_40c","year":2016,"days":1,"first":"2016-09-26","last":"2016-09-26","longest_streak":1},{"threshold":"tmax_ge_40c","year":2017,"days":1,"first":"2017-10-24","last":"2017-10-24","longest_streak":1},{"threshold":"tmax_ge_40c","year":2018,"days":2,"first":"2018-07-06","last":"2018-07-07","longest_streak":2},{"threshold":"tmax_ge_40c","year":2020,"days":1,"first":"2020-09-06","last":"2020-09-06","longest_streak":1},{"threshold":"tmax_ge_40c","year":2024,"days":3,"first":"2024-09-06","last":"2024-09-09","longest_streak":2},{"threshold":"tmax_ge_40c","year":2026,"days":3,"first":"2026-09-09","last":"2026-10-05","longest_streak":1}]}