{"title":"La Mesa Intl: threshold days by year","description":"Days at or beyond each fixed threshold at La Mesa Intl, by year.","dataAsOf":"2026-10-14T00:00:00Z","lastRevised":"2026-10-15","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/HOM00078708/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":2025,"days":77,"first":"2025-01-02","last":"2025-08-24","longest_streak":4},{"threshold":"tmax_ge_35c","year":2025,"days":16,"first":"2025-03-06","last":"2025-08-24","longest_streak":3},{"threshold":"tmax_ge_90f","year":2025,"days":55,"first":"2025-01-20","last":"2025-08-24","longest_streak":4},{"threshold":"tmax_ge_100f","year":2025,"days":1,"first":"2025-05-21","last":"2025-05-21","longest_streak":1},{"threshold":"tmin_ge_20c","year":1958,"days":284,"first":"1958-01-30","last":"1958-12-31","longest_streak":86},{"threshold":"tmin_ge_20c","year":2025,"days":79,"first":"2025-01-02","last":"2025-08-24","longest_streak":4},{"threshold":"tmin_ge_25c","year":1958,"days":8,"first":"1958-03-29","last":"1958-08-27","longest_streak":1},{"threshold":"tmin_ge_25c","year":2025,"days":3,"first":"2025-05-23","last":"2025-06-30","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1989,"days":24,"first":"1989-01-22","last":"1989-12-15","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2007,"days":18,"first":"2007-01-27","last":"2007-11-24","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2012,"days":21,"first":"2012-05-18","last":"2012-12-22","longest_streak":1},{"threshold":"prcp_ge_10mm","year":2013,"days":14,"first":"2013-03-27","last":"2013-12-25","longest_streak":1},{"threshold":"prcp_ge_10mm","year":2014,"days":19,"first":"2014-01-16","last":"2014-12-11","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2015,"days":15,"first":"2015-01-19","last":"2015-12-06","longest_streak":3},{"threshold":"prcp_ge_10mm","year":2016,"days":19,"first":"2016-02-05","last":"2016-12-22","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2017,"days":22,"first":"2017-01-09","last":"2017-10-26","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2018,"days":13,"first":"2018-01-03","last":"2018-12-11","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2019,"days":16,"first":"2019-01-11","last":"2019-11-03","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2025,"days":17,"first":"2025-01-23","last":"2025-08-03","longest_streak":3},{"threshold":"prcp_ge_25mm","year":1989,"days":8,"first":"1989-01-22","last":"1989-12-15","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2007,"days":4,"first":"2007-06-29","last":"2007-11-24","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2012,"days":6,"first":"2012-05-27","last":"2012-10-03","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2013,"days":5,"first":"2013-03-27","last":"2013-12-25","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2014,"days":5,"first":"2014-05-17","last":"2014-11-26","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2015,"days":5,"first":"2015-06-11","last":"2015-12-06","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2016,"days":7,"first":"2016-03-21","last":"2016-11-21","longest_streak":2},{"threshold":"prcp_ge_25mm","year":2017,"days":13,"first":"2017-01-09","last":"2017-10-26","longest_streak":2},{"threshold":"prcp_ge_25mm","year":2018,"days":2,"first":"2018-01-31","last":"2018-06-17","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2019,"days":5,"first":"2019-01-11","last":"2019-09-03","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2025,"days":1,"first":"2025-06-28","last":"2025-06-28","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1989,"days":2,"first":"1989-08-25","last":"1989-10-12","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2007,"days":2,"first":"2007-06-29","last":"2007-09-06","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2013,"days":2,"first":"2013-05-03","last":"2013-12-25","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2014,"days":2,"first":"2014-05-17","last":"2014-11-19","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2017,"days":1,"first":"2017-09-13","last":"2017-09-13","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2018,"days":1,"first":"2018-01-31","last":"2018-01-31","longest_streak":1},{"threshold":"prcp_ge_50mm","year":2019,"days":1,"first":"2019-07-21","last":"2019-07-21","longest_streak":1},{"threshold":"prcp_ge_100mm","year":1989,"days":1,"first":"1989-08-25","last":"1989-08-25","longest_streak":1},{"threshold":"prcp_ge_100mm","year":2007,"days":1,"first":"2007-09-06","last":"2007-09-06","longest_streak":1},{"threshold":"prcp_ge_100mm","year":2013,"days":1,"first":"2013-12-25","last":"2013-12-25","longest_streak":1},{"threshold":"prcp_ge_200mm","year":2013,"days":1,"first":"2013-12-25","last":"2013-12-25","longest_streak":1}]}