Grafton South (South Grafton Threshold Days by Year (ASN00058102)

5 fixed thresholds counted per year at Grafton South (South Grafton (ASN00058102): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Grafton South (South Grafton Thresholds

Grafton South (South Grafton: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1983 with 44.
Grafton South (South Grafton: days with 25 mm (0.98 in) or more of precipitation in 61 years, most in 1976 with 19.
Grafton South (South Grafton: days with 50 mm (1.97 in) or more of precipitation in 54 years, most in 2022 with 8.
Grafton South (South Grafton: days with 100 mm (3.94 in) or more of precipitation in 26 years, most in 1967 with 2.
5 fixed thresholds have at least one qualifying day at Grafton South (South Grafton.

Days with 10 mm (0.39 in) or more of precipitation

61 years with a qualifying day

Days per year at Grafton South (South Grafton with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1983.

Days with 10 mm (0.39 in) or more of precipitation per year at Grafton South (South Grafton
Year	Days	Decade average
1965	20	27
1966	28	27
1967	38	27
1968	24	27
1969	25	27
1970	30	33
1971	32	33
1972	39	33
1973	38	33
1974	40	33
1975	30	33
1976	39	33
1977	30	33
1978	28	33
1979	24	33
1980	30	32.8
1981	31	32.8
1982	31	32.8
1983	44	32.8
1984	33	32.8
1985	34	32.8
1986	19	32.8
1987	24	32.8
1988	39	32.8
1989	43	32.8
1990	37	30.8
1992	32	30.8
1993	21	30.8
1994	27	30.8
1995	27	30.8
1996	34	30.8
1997	34	30.8
1998	32	30.8
1999	33	30.8
2000	26	26.1
2001	29	26.1
2002	14	26.1
2003	26	26.1
2004	26	26.1
2005	24	26.1
2006	27	26.1
2007	31	26.1
2008	27	26.1
2009	31	26.1
2010	38	28.4
2011	38	28.4
2012	28	28.4
2013	32	28.4
2014	21	28.4
2015	27	28.4
2016	19	28.4
2017	40	28.4
2018	26	28.4
2019	15	28.4
2020	34	33
2021	44	33
2022	43	33
2023	27	33
2024	39	33
2025	37	33
2026	7	33

For each year, a bar from the first to the last day at Grafton South (South Grafton meeting 10 mm (0.39 in).

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

Every Fixed Threshold

Fixed thresholds at Grafton South (South Grafton
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	61	44	1983	7
25 mm (0.98 in): Days with 25 mm or more rain	61	19	1976	1
50 mm (1.97 in): Days with 50 mm or more rain	54	8	2022	1
100 mm (3.94 in): Days with 100 mm or more rain	26	2	1967	1
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1974	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1965.

Download the Data

Data for Grafton South (South Grafton 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Grafton South (South Grafton Threshold Days by Year (ASN00058102)

Key Facts for Grafton South (South Grafton Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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