Ainslie Tyson St Threshold Days by Year (ASN00070000)

4 fixed thresholds counted per year at Ainslie Tyson St (ASN00070000): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ainslie Tyson St Thresholds

Ainslie Tyson St: days with 10 mm (0.39 in) or more of precipitation in 85 years, most in 1950 with 31.
Ainslie Tyson St: days with 25 mm (0.98 in) or more of precipitation in 84 years, most in 1974 with 13.
Ainslie Tyson St: days with 50 mm (1.97 in) or more of precipitation in 37 years, most in 1950 with 4.
Ainslie Tyson St: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1959 with 2.
4 fixed thresholds have at least one qualifying day at Ainslie Tyson St.

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

85 years with a qualifying day

Days per year at Ainslie Tyson St with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1950.

Days with 10 mm (0.39 in) or more of precipitation per year at Ainslie Tyson St
Year	Days	Decade average
1936	20	18.5
1937	19	18.5
1938	14	18.5
1939	21	18.5
1940	15	17.8
1941	17	17.8
1942	23	17.8
1943	21	17.8
1944	11	17.8
1945	16	17.8
1946	16	17.8
1947	19	17.8
1948	19	17.8
1949	21	17.8
1950	31	21
1951	12	21
1952	30	21
1953	15	21
1954	13	21
1955	28	21
1956	30	21
1957	9	21
1958	17	21
1959	25	21
1960	27	20.8
1961	23	20.8
1962	22	20.8
1963	20	20.8
1964	24	20.8
1965	14	20.8
1966	21	20.8
1967	14	20.8
1968	20	20.8
1969	23	20.8
1970	28	20.4
1971	21	20.4
1972	13	20.4
1973	28	20.4
1974	29	20.4
1975	20	20.4
1976	15	20.4
1977	15	20.4
1978	25	20.4
1979	10	20.4
1980	13	19.7
1981	19	19.7
1982	8	19.7
1983	29	19.7
1984	25	19.7
1985	21	19.7
1986	23	19.7
1987	19	19.7
1988	21	19.7
1989	19	19.7
1990	23	20.9
1991	23	20.9
1992	25	20.9
1993	23	20.9
1994	8	20.9
1995	19	20.9
1996	28	20.9
1997	13	20.9
1998	24	20.9
1999	23	20.9
2000	19	15.1
2001	16	15.1
2002	13	15.1
2003	14	15.1
2004	17	15.1
2005	19	15.1
2006	11	15.1
2007	15	15.1
2008	15	15.1
2009	12	15.1
2010	29	18.3
2011	10	18.3
2012	24	18.3
2013	14	18.3
2014	24	18.3
2015	21	18.3
2016	27	18.3
2017	14	18.3
2018	9	18.3
2019	11	18.3
2020	28	28

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

First to last qualifying date each year at Ainslie Tyson St
Year	First date	Last date
1936	1936-01-05	1936-12-15
1937	1937-01-19	1937-12-28
1938	1938-01-15	1938-11-28
1939	1939-01-06	1939-12-13
1940	1940-01-07	1940-12-20
1941	1941-01-02	1941-12-01
1942	1942-02-13	1942-11-22
1943	1943-01-04	1943-12-23
1944	1944-03-10	1944-12-13
1945	1945-01-12	1945-11-17
1946	1946-01-19	1946-12-29
1947	1947-02-09	1947-12-15
1948	1948-01-14	1948-12-31
1949	1949-01-01	1949-12-20
1950	1950-01-02	1950-11-15
1951	1951-01-08	1951-11-27
1952	1952-01-06	1952-12-28
1953	1953-01-06	1953-12-31
1954	1954-01-18	1954-12-05
1955	1955-02-15	1955-12-25
1956	1956-01-17	1956-10-16
1957	1957-01-23	1957-11-05
1958	1958-01-28	1958-12-16
1959	1959-01-02	1959-12-11
1960	1960-01-05	1960-12-28
1961	1961-01-03	1961-12-19
1962	1962-01-12	1962-12-25
1963	1963-01-03	1963-12-09
1964	1964-01-09	1964-12-23
1965	1965-06-23	1965-12-02
1966	1966-01-30	1966-12-14
1967	1967-01-26	1967-11-26
1968	1968-01-05	1968-12-26
1969	1969-01-04	1969-12-12
1970	1970-01-02	1970-12-12
1971	1971-01-27	1971-12-31
1972	1972-01-13	1972-11-25
1973	1973-01-13	1973-12-31
1974	1974-01-05	1974-11-29
1975	1975-01-10	1975-12-30
1976	1976-01-07	1976-12-24
1977	1977-01-15	1977-09-30
1978	1978-01-06	1978-12-26
1979	1979-03-04	1979-10-23
1980	1980-01-04	1980-12-03
1981	1981-01-07	1981-12-25
1982	1982-02-24	1982-09-30
1983	1983-01-03	1983-12-12
1984	1984-01-01	1984-11-11
1985	1985-03-19	1985-12-08
1986	1986-01-16	1986-12-08
1987	1987-01-01	1987-12-29
1988	1988-02-07	1988-12-26
1989	1989-03-11	1989-12-10
1990	1990-01-09	1990-12-11
1991	1991-01-06	1991-12-14
1992	1992-01-01	1992-12-23
1993	1993-01-04	1993-11-18
1994	1994-02-12	1994-12-23
1995	1995-01-06	1995-12-06
1996	1996-01-01	1996-12-29
1997	1997-01-07	1997-10-08
1998	1998-02-08	1998-11-13
1999	1999-01-09	1999-12-29
2000	2000-01-27	2000-12-01
2001	2001-01-25	2001-11-07
2002	2002-01-16	2002-12-10
2003	2003-02-22	2003-12-22
2004	2004-01-22	2004-12-14
2005	2005-01-05	2005-12-03
2006	2006-01-12	2006-11-04
2007	2007-02-22	2007-12-23
2008	2008-01-19	2008-12-28
2009	2009-01-23	2009-12-28
2010	2010-02-06	2010-12-09
2011	2011-01-06	2011-12-12
2012	2012-01-30	2012-12-24
2013	2013-01-27	2013-11-22
2014	2014-02-16	2014-12-11
2015	2015-01-05	2015-11-14
2016	2016-01-05	2016-12-25
2017	2017-03-22	2017-12-03
2018	2018-01-31	2018-12-14
2019	2019-01-08	2019-11-04
2020	2020-02-10	2020-12-22

Every Fixed Threshold

Fixed thresholds at Ainslie Tyson St
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	85	31	1950	28
25 mm (0.98 in): Days with 25 mm or more rain	84	13	1974	7
50 mm (1.97 in): Days with 50 mm or more rain	37	4	1950	1
100 mm (3.94 in): Days with 100 mm or more rain	4	2	1959	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

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Data for Ainslie Tyson St 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Ainslie Tyson St Threshold Days by Year (ASN00070000)

Key Facts for Ainslie Tyson St Thresholds

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

Every Fixed Threshold

Download the Data

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