{"title":"Summit: threshold days by year","description":"Days at or beyond each fixed threshold at Summit, 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/USC00428456/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":1952,"days":10,"first":"1952-03-11","last":"1952-09-21","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1953,"days":9,"first":"1953-02-08","last":"1953-12-04","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1954,"days":11,"first":"1954-03-11","last":"1954-12-03","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1955,"days":9,"first":"1955-01-16","last":"1955-12-06","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1960,"days":4,"first":"1960-09-01","last":"1960-12-08","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1961,"days":10,"first":"1961-03-03","last":"1961-10-09","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1962,"days":9,"first":"1962-01-21","last":"1962-12-24","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1963,"days":8,"first":"1963-02-12","last":"1963-11-21","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1964,"days":7,"first":"1964-03-03","last":"1964-11-13","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1965,"days":10,"first":"1965-01-08","last":"1965-12-30","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1966,"days":12,"first":"1966-03-02","last":"1966-12-30","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1967,"days":11,"first":"1967-03-29","last":"1967-11-28","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1969,"days":10,"first":"1969-02-26","last":"1969-12-26","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1970,"days":12,"first":"1970-02-14","last":"1970-11-29","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1971,"days":14,"first":"1971-02-17","last":"1971-12-24","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1973,"days":10,"first":"1973-02-07","last":"1973-12-02","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1974,"days":6,"first":"1974-01-08","last":"1974-11-23","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1975,"days":10,"first":"1975-02-17","last":"1975-12-14","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1976,"days":6,"first":"1976-02-06","last":"1976-11-15","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1977,"days":7,"first":"1977-03-25","last":"1977-10-07","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1978,"days":12,"first":"1978-01-23","last":"1978-12-02","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1979,"days":9,"first":"1979-01-26","last":"1979-12-27","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1980,"days":11,"first":"1980-01-15","last":"1980-10-12","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1981,"days":15,"first":"1981-02-26","last":"1981-11-26","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1982,"days":12,"first":"1982-01-02","last":"1982-12-08","longest_streak":1},{"threshold":"prcp_ge_10mm","year":1983,"days":15,"first":"1983-02-14","last":"1983-11-26","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1984,"days":15,"first":"1984-02-14","last":"1984-12-20","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1985,"days":13,"first":"1985-02-21","last":"1985-12-03","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1986,"days":9,"first":"1986-02-06","last":"1986-12-06","longest_streak":3},{"threshold":"prcp_ge_10mm","year":1987,"days":13,"first":"1987-02-14","last":"1987-12-23","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1988,"days":9,"first":"1988-03-10","last":"1988-11-15","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1989,"days":9,"first":"1989-01-05","last":"1989-10-26","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1990,"days":11,"first":"1990-01-15","last":"1990-12-13","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1991,"days":7,"first":"1991-05-11","last":"1991-11-16","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1992,"days":9,"first":"1992-02-16","last":"1992-12-31","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1993,"days":10,"first":"1993-01-08","last":"1993-10-07","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1994,"days":9,"first":"1994-03-12","last":"1994-12-08","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1996,"days":15,"first":"1996-01-22","last":"1996-12-23","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1998,"days":17,"first":"1998-01-05","last":"1998-11-09","longest_streak":2},{"threshold":"prcp_ge_10mm","year":1999,"days":8,"first":"1999-02-10","last":"1999-08-28","longest_streak":1},{"threshold":"prcp_ge_10mm","year":2000,"days":5,"first":"2000-02-17","last":"2000-11-11","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2001,"days":3,"first":"2001-03-10","last":"2001-07-04","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2003,"days":6,"first":"2003-02-03","last":"2003-12-08","longest_streak":1},{"threshold":"prcp_ge_10mm","year":2004,"days":10,"first":"2004-02-28","last":"2004-12-29","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2005,"days":7,"first":"2005-03-25","last":"2005-12-03","longest_streak":1},{"threshold":"prcp_ge_10mm","year":2007,"days":16,"first":"2007-01-05","last":"2007-12-27","longest_streak":3},{"threshold":"prcp_ge_10mm","year":2008,"days":8,"first":"2008-01-07","last":"2008-12-18","longest_streak":1},{"threshold":"prcp_ge_10mm","year":2009,"days":7,"first":"2009-01-26","last":"2009-11-29","longest_streak":1},{"threshold":"prcp_ge_10mm","year":2010,"days":10,"first":"2010-03-10","last":"2010-12-22","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2013,"days":10,"first":"2013-01-28","last":"2013-12-04","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2014,"days":9,"first":"2014-01-31","last":"2014-09-28","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2015,"days":12,"first":"2015-03-01","last":"2015-12-14","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2016,"days":8,"first":"2016-02-01","last":"2016-12-25","longest_streak":1},{"threshold":"prcp_ge_10mm","year":2017,"days":12,"first":"2017-01-06","last":"2017-12-21","longest_streak":1},{"threshold":"prcp_ge_10mm","year":2018,"days":10,"first":"2018-02-20","last":"2018-10-21","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2019,"days":13,"first":"2019-01-22","last":"2019-12-27","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2021,"days":8,"first":"2021-03-23","last":"2021-12-10","longest_streak":1},{"threshold":"prcp_ge_10mm","year":2022,"days":14,"first":"2022-02-23","last":"2022-12-28","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2023,"days":17,"first":"2023-01-02","last":"2023-10-01","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2024,"days":5,"first":"2024-01-25","last":"2024-10-29","longest_streak":1},{"threshold":"prcp_ge_10mm","year":2025,"days":12,"first":"2025-03-18","last":"2025-12-27","longest_streak":2},{"threshold":"prcp_ge_10mm","year":2026,"days":7,"first":"2026-04-14","last":"2026-09-29","longest_streak":2},{"threshold":"prcp_ge_25mm","year":1952,"days":1,"first":"1952-03-11","last":"1952-03-11","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1954,"days":2,"first":"1954-04-30","last":"1954-05-22","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1962,"days":1,"first":"1962-09-28","last":"1962-09-28","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1963,"days":2,"first":"1963-08-17","last":"1963-11-07","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1965,"days":1,"first":"1965-02-08","last":"1965-02-08","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1966,"days":2,"first":"1966-07-17","last":"1966-12-06","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1967,"days":2,"first":"1967-09-22","last":"1967-11-28","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1969,"days":1,"first":"1969-03-03","last":"1969-03-03","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1970,"days":3,"first":"1970-08-20","last":"1970-11-26","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1971,"days":1,"first":"1971-08-06","last":"1971-08-06","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1973,"days":1,"first":"1973-04-18","last":"1973-04-18","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1977,"days":1,"first":"1977-05-14","last":"1977-05-14","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1980,"days":3,"first":"1980-01-15","last":"1980-09-10","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1984,"days":1,"first":"1984-07-27","last":"1984-07-27","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1985,"days":1,"first":"1985-03-19","last":"1985-03-19","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1987,"days":1,"first":"1987-08-08","last":"1987-08-08","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1989,"days":2,"first":"1989-07-28","last":"1989-08-09","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1990,"days":1,"first":"1990-12-13","last":"1990-12-13","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1992,"days":2,"first":"1992-08-06","last":"1992-10-31","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1994,"days":1,"first":"1994-09-30","last":"1994-09-30","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1996,"days":2,"first":"1996-07-16","last":"1996-11-23","longest_streak":1},{"threshold":"prcp_ge_25mm","year":1999,"days":2,"first":"1999-07-09","last":"1999-07-27","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2004,"days":1,"first":"2004-10-21","last":"2004-10-21","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2007,"days":1,"first":"2007-12-02","last":"2007-12-02","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2008,"days":1,"first":"2008-05-08","last":"2008-05-08","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2010,"days":1,"first":"2010-12-21","last":"2010-12-21","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2013,"days":1,"first":"2013-09-03","last":"2013-09-03","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2014,"days":2,"first":"2014-09-09","last":"2014-09-28","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2017,"days":3,"first":"2017-05-10","last":"2017-08-07","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2018,"days":1,"first":"2018-10-07","last":"2018-10-07","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2019,"days":2,"first":"2019-05-01","last":"2019-11-21","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2022,"days":1,"first":"2022-10-23","last":"2022-10-23","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2023,"days":1,"first":"2023-03-11","last":"2023-03-11","longest_streak":1},{"threshold":"prcp_ge_25mm","year":2024,"days":1,"first":"2024-10-18","last":"2024-10-18","longest_streak":1},{"threshold":"prcp_ge_50mm","year":1999,"days":1,"first":"1999-07-27","last":"1999-07-27","longest_streak":1},{"threshold":"snow_ge_10cm","year":1961,"days":2,"first":"1961-10-09","last":"1961-11-21","longest_streak":1},{"threshold":"snow_ge_10cm","year":1974,"days":4,"first":"1974-01-08","last":"1974-12-29","longest_streak":2},{"threshold":"snow_ge_10cm","year":1975,"days":6,"first":"1975-01-02","last":"1975-12-14","longest_streak":1},{"threshold":"snow_ge_10cm","year":1976,"days":3,"first":"1976-02-06","last":"1976-04-17","longest_streak":1},{"threshold":"snow_ge_10cm","year":1978,"days":4,"first":"1978-01-23","last":"1978-12-06","longest_streak":1},{"threshold":"snow_ge_10cm","year":1979,"days":7,"first":"1979-01-26","last":"1979-12-27","longest_streak":2},{"threshold":"snow_ge_10cm","year":1980,"days":2,"first":"1980-01-19","last":"1980-03-23","longest_streak":1},{"threshold":"snow_ge_10cm","year":1982,"days":6,"first":"1982-01-02","last":"1982-12-08","longest_streak":1},{"threshold":"snow_ge_10cm","year":1983,"days":7,"first":"1983-02-14","last":"1983-11-26","longest_streak":2},{"threshold":"snow_ge_10cm","year":1985,"days":6,"first":"1985-02-21","last":"1985-11-12","longest_streak":1},{"threshold":"snow_ge_10cm","year":1986,"days":2,"first":"1986-04-02","last":"1986-04-17","longest_streak":1},{"threshold":"snow_ge_10cm","year":1987,"days":3,"first":"1987-01-16","last":"1987-03-20","longest_streak":1},{"threshold":"snow_ge_10cm","year":1988,"days":6,"first":"1988-01-06","last":"1988-12-22","longest_streak":1},{"threshold":"snow_ge_10cm","year":1989,"days":4,"first":"1989-01-05","last":"1989-03-03","longest_streak":2},{"threshold":"snow_ge_10cm","year":1990,"days":3,"first":"1990-02-02","last":"1990-02-14","longest_streak":1},{"threshold":"snow_ge_10cm","year":1991,"days":5,"first":"1991-05-11","last":"1991-11-28","longest_streak":2},{"threshold":"snow_ge_10cm","year":1992,"days":3,"first":"1992-01-12","last":"1992-12-18","longest_streak":1},{"threshold":"snow_ge_10cm","year":1993,"days":5,"first":"1993-01-03","last":"1993-04-06","longest_streak":1},{"threshold":"snow_ge_10cm","year":1994,"days":3,"first":"1994-11-19","last":"1994-12-08","longest_streak":1},{"threshold":"snow_ge_10cm","year":1996,"days":4,"first":"1996-01-22","last":"1996-12-23","longest_streak":2},{"threshold":"snow_ge_10cm","year":1998,"days":2,"first":"1998-01-20","last":"1998-02-25","longest_streak":1},{"threshold":"snow_ge_10cm","year":2014,"days":3,"first":"2014-05-11","last":"2014-12-25","longest_streak":1},{"threshold":"snow_ge_10cm","year":2015,"days":6,"first":"2015-02-22","last":"2015-12-26","longest_streak":2},{"threshold":"snow_ge_10cm","year":2016,"days":2,"first":"2016-02-01","last":"2016-12-25","longest_streak":1},{"threshold":"snow_ge_10cm","year":2018,"days":8,"first":"2018-01-20","last":"2018-03-26","longest_streak":2},{"threshold":"snow_ge_10cm","year":2019,"days":8,"first":"2019-01-22","last":"2019-12-25","longest_streak":2},{"threshold":"snow_ge_10cm","year":2021,"days":3,"first":"2021-03-11","last":"2021-12-10","longest_streak":1},{"threshold":"snow_ge_10cm","year":2022,"days":4,"first":"2022-02-23","last":"2022-12-12","longest_streak":1},{"threshold":"snow_ge_10cm","year":2023,"days":7,"first":"2023-01-02","last":"2023-11-24","longest_streak":1},{"threshold":"snow_ge_10cm","year":2024,"days":4,"first":"2024-01-11","last":"2024-10-18","longest_streak":1},{"threshold":"snow_ge_10cm","year":2025,"days":1,"first":"2025-03-18","last":"2025-03-18","longest_streak":1},{"threshold":"snow_ge_25cm","year":1979,"days":1,"first":"1979-01-26","last":"1979-01-26","longest_streak":1},{"threshold":"snow_ge_25cm","year":1982,"days":2,"first":"1982-01-29","last":"1982-03-19","longest_streak":1},{"threshold":"snow_ge_25cm","year":1986,"days":1,"first":"1986-04-17","last":"1986-04-17","longest_streak":1},{"threshold":"snow_ge_25cm","year":1989,"days":1,"first":"1989-02-05","last":"1989-02-05","longest_streak":1}]}