{"title":"Sperling: threshold days by year","description":"Days at or beyond each fixed threshold at Sperling, 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/CA005022740/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":1970,"days":13,"first":"1970-01-07","last":"1970-10-25","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1971,"days":15,"first":"1971-03-13","last":"1971-10-30","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1972,"days":6,"first":"1972-06-04","last":"1972-12-28","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1973,"days":13,"first":"1973-05-04","last":"1973-11-19","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1974,"days":9,"first":"1974-02-27","last":"1974-10-05","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1975,"days":14,"first":"1975-03-26","last":"1975-12-02","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1976,"days":12,"first":"1976-02-27","last":"1976-08-26","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1977,"days":17,"first":"1977-02-24","last":"1977-11-19","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1979,"days":18,"first":"1979-02-05","last":"1979-08-21","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1980,"days":12,"first":"1980-06-27","last":"1980-11-07","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1981,"days":14,"first":"1981-01-25","last":"1981-10-12","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1982,"days":15,"first":"1982-01-03","last":"1982-12-22","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1983,"days":12,"first":"1983-03-05","last":"1983-11-19","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1970,"days":2,"first":"1970-06-10","last":"1970-08-29","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1971,"days":3,"first":"1971-08-16","last":"1971-10-30","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1973,"days":2,"first":"1973-05-21","last":"1973-09-24","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1974,"days":4,"first":"1974-04-20","last":"1974-05-20","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1975,"days":2,"first":"1975-04-28","last":"1975-06-22","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1976,"days":1,"first":"1976-06-06","last":"1976-06-06","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1977,"days":6,"first":"1977-05-04","last":"1977-09-23","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1979,"days":3,"first":"1979-04-17","last":"1979-06-19","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1980,"days":3,"first":"1980-06-27","last":"1980-10-16","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1981,"days":5,"first":"1981-05-22","last":"1981-08-05","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1982,"days":4,"first":"1982-06-06","last":"1982-10-09","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1983,"days":2,"first":"1983-03-06","last":"1983-08-20","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1971,"days":1,"first":"1971-08-16","last":"1971-08-16","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1974,"days":1,"first":"1974-05-19","last":"1974-05-19","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1981,"days":1,"first":"1981-08-05","last":"1981-08-05","longest_streak":1},{"threshold":"snow_ge_10cm","year":1970,"days":5,"first":"1970-01-07","last":"1970-04-20","longest_streak":2},{"threshold":"snow_ge_10cm","year":1971,"days":1,"first":"1971-10-30","last":"1971-10-30","longest_streak":1},{"threshold":"snow_ge_10cm","year":1972,"days":3,"first":"1972-10-26","last":"1972-12-28","longest_streak":2},{"threshold":"snow_ge_10cm","year":1973,"days":1,"first":"1973-11-19","last":"1973-11-19","longest_streak":1},{"threshold":"snow_ge_10cm","year":1974,"days":2,"first":"1974-02-27","last":"1974-10-05","longest_streak":1},{"threshold":"snow_ge_10cm","year":1975,"days":3,"first":"1975-03-26","last":"1975-12-02","longest_streak":2},{"threshold":"snow_ge_10cm","year":1976,"days":4,"first":"1976-02-27","last":"1976-03-05","longest_streak":2},{"threshold":"snow_ge_10cm","year":1977,"days":2,"first":"1977-02-24","last":"1977-11-19","longest_streak":1},{"threshold":"snow_ge_10cm","year":1979,"days":3,"first":"1979-02-05","last":"1979-03-25","longest_streak":1},{"threshold":"snow_ge_10cm","year":1980,"days":1,"first":"1980-11-07","last":"1980-11-07","longest_streak":1},{"threshold":"snow_ge_10cm","year":1981,"days":1,"first":"1981-01-25","last":"1981-01-25","longest_streak":1},{"threshold":"snow_ge_10cm","year":1982,"days":3,"first":"1982-01-03","last":"1982-12-22","longest_streak":1},{"threshold":"snow_ge_25cm","year":1971,"days":1,"first":"1971-10-30","last":"1971-10-30","longest_streak":1}]}