Chardon Threshold Days by Year (USC00331458)

17 fixed thresholds counted per year at Chardon (USC00331458): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chardon Thresholds

Chardon: days with a maximum temperature at or above 30 C (86 F) in 81 years, most in 2002 with 45.
Chardon: nights with a minimum temperature at or below 0 C (32 F) in 81 years, most in 1976 with 179.
Chardon: days with a maximum temperature at or below 0 C (32 F) in 80 years, most in 2010 with 69.
Chardon: nights with a minimum temperature at or below -10 C (14 F) in 80 years, most in 1978 with 69.
17 fixed thresholds have at least one qualifying day at Chardon.

Days at or above 30 C (86 F)

81 years with a qualifying day

Days per year at Chardon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 45 in 2002.

Days at or above 30 C (86 F) per year at Chardon
Year	Days	Decade average
1946	28	31.5
1947	32	31.5
1948	22	31.5
1949	44	31.5
1950	11	24.3
1951	18	24.3
1952	40	24.3
1953	32	24.3
1954	26	24.3
1955	44	24.3
1956	17	24.3
1957	18	24.3
1958	3	24.3
1959	34	24.3
1960	12	18.5
1961	20	18.5
1962	23	18.5
1963	20	18.5
1964	30	18.5
1965	13	18.5
1966	30	18.5
1967	9	18.5
1968	20	18.5
1969	8	18.5
1970	4	13.1
1971	6	13.1
1972	7	13.1
1973	19	13.1
1974	8	13.1
1975	19	13.1
1976	10	13.1
1977	23	13.1
1978	25	13.1
1979	10	13.1
1980	18	20
1981	9	20
1982	14	20
1983	37	20
1984	17	20
1985	14	20
1986	16	20
1987	25	20
1988	39	20
1989	11	20
1990	7	15
1991	29	15
1992	4	15
1993	16	15
1994	13	15
1995	21	15
1996	10	15
1997	9	15
1998	17	15
1999	24	15
2000	6	20.3
2001	26	20.3
2002	45	20.3
2003	12	20.3
2004	6	20.3
2005	37	20.3
2006	19	20.3
2007	26	20.3
2008	17	20.3
2009	9	20.3
2010	29	25
2011	27	25
2012	36	25
2013	16	25
2014	11	25
2015	22	25
2016	39	25
2017	16	25
2018	29	25
2019	25	25
2020	30	23.1
2021	22	23.1
2022	24	23.1
2023	12	23.1
2024	23	23.1
2025	27	23.1
2026	24	23.1

For each year, a bar from the first to the last day at Chardon meeting 30 C (86 F).

First to last qualifying date each year at Chardon
Year	First date	Last date
1946	1946-06-26	1946-10-05
1947	1947-06-10	1947-09-20
1948	1948-06-22	1948-09-17
1949	1949-05-04	1949-10-09
1950	1950-06-08	1950-08-28
1951	1951-06-03	1951-10-05
1952	1952-06-06	1952-09-13
1953	1953-06-05	1953-10-20
1954	1954-06-10	1954-09-29
1955	1955-06-06	1955-09-19
1956	1956-05-30	1956-09-05
1957	1957-06-13	1957-09-02
1958	1958-07-02	1958-07-27
1959	1959-05-06	1959-09-28
1960	1960-06-04	1960-09-08
1961	1961-06-12	1961-09-24
1962	1962-05-14	1962-08-31
1963	1963-05-09	1963-10-07
1964	1964-05-19	1964-09-10
1965	1965-06-06	1965-09-20
1966	1966-06-05	1966-08-09
1967	1967-05-27	1967-07-09
1968	1968-06-07	1968-09-04
1969	1969-06-26	1969-08-30
1970	1970-07-14	1970-08-30
1971	1971-06-20	1971-09-06
1972	1972-07-18	1972-08-31
1973	1973-06-11	1973-09-06
1974	1974-06-10	1974-07-28
1975	1975-05-20	1975-08-14
1976	1976-04-19	1976-09-10
1977	1977-05-18	1977-09-02
1978	1978-05-28	1978-09-22
1979	1979-05-09	1979-09-02
1980	1980-06-26	1980-09-02
1981	1981-06-16	1981-09-02
1982	1982-05-07	1982-09-14
1983	1983-06-13	1983-09-20
1984	1984-06-06	1984-09-03
1985	1985-07-09	1985-09-09
1986	1986-04-29	1986-09-30
1987	1987-05-28	1987-08-18
1988	1988-05-31	1988-08-18
1989	1989-06-27	1989-08-06
1990	1990-04-29	1990-08-29
1991	1991-05-17	1991-09-17
1992	1992-06-18	1992-08-11
1993	1993-06-19	1993-09-01
1994	1994-06-14	1994-07-22
1995	1995-06-20	1995-09-01
1996	1996-05-19	1996-08-23
1997	1997-06-21	1997-07-19
1998	1998-05-17	1998-09-27
1999	1999-06-07	1999-09-04
2000	2000-06-10	2000-09-03
2001	2001-06-14	2001-09-10
2002	2002-04-17	2002-09-11
2003	2003-06-26	2003-08-26
2004	2004-05-14	2004-08-28
2005	2005-06-06	2005-08-21
2006	2006-05-29	2006-08-07
2007	2007-05-16	2007-09-26
2008	2008-06-07	2008-09-05
2009	2009-04-26	2009-08-18
2010	2010-06-01	2010-09-25
2011	2011-05-31	2011-09-04
2012	2012-05-04	2012-09-04
2013	2013-05-21	2013-09-12
2014	2014-05-14	2014-09-06
2015	2015-05-09	2015-09-09
2016	2016-05-28	2016-09-11
2017	2017-05-18	2017-09-27
2018	2018-05-29	2018-10-09
2019	2019-05-20	2019-10-02
2020	2020-05-26	2020-08-28
2021	2021-05-21	2021-09-15
2022	2022-04-24	2022-08-30
2023	2023-06-02	2023-09-07
2024	2024-05-21	2024-09-23
2025	2025-06-05	2025-08-17
2026	2026-05-19	2026-10-14

Every Fixed Threshold

Fixed thresholds at Chardon
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	81	45	2002	24
35 C (95 F): Days	18	7	1953	1
90 F (32.2 C): Days	67	26	1988	8
100 F (37.8 C): Days	1	1	1988	1
0 C (32 F): Ice days (max	80	69	2010	51
0 C (32 F): Frost days (min	81	179	1976	7
-10 C (14 F): Days with min	80	69	1978	30
-20 C (-4 F): Days with min	62	27	1977	5
-30 C (-22 F): Days with min	6	4	2015	4
20 C (68 F): Tropical nights (min	78	15	1959	8
25 C (77 F): Days with min	3	1	1995	1
10 mm (0.39 in): Days with 10 mm or more rain	80	55	1977	35
25 mm (0.98 in): Days with 25 mm or more rain	80	15	2007	9
50 mm (1.97 in): Days with 50 mm or more rain	53	5	1959	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1952	1
10 cm (3.9 in): Days with 10 cm or more snowfall	76	18	1960	5
25 cm (9.8 in): Days with 25 cm or more snowfall	41	4	1996	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1946.

Download the Data

Data for Chardon threshold days by year: CSV or JSON. Field meanings are on the data page.

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. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Chardon Threshold Days by Year (USC00331458)

Key Facts for Chardon Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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