Highmore Threshold Days by Year (USC00393832)

22 fixed thresholds counted per year at Highmore (USC00393832): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Highmore Thresholds

Highmore: days with 10 mm (0.39 in) or more of precipitation in 121 years, most in 1957 with 28.
Highmore: days with a maximum temperature at or above 30 C (86 F) in 120 years, most in 1976 with 102.
Highmore: days with a maximum temperature at or below 0 C (32 F) in 120 years, most in 1978 with 97.
Highmore: days with a maximum temperature at or above 90 F (32.2 C) in 119 years, most in 1976 with 76.
22 fixed thresholds have at least one qualifying day at Highmore.

Days at or above 30 C (86 F)

120 years with a qualifying day

Days per year at Highmore with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 102 in 1976.

Days at or above 30 C (86 F) per year at Highmore
Year	Days	Decade average
1894	70	61
1895	62	61
1897	60	61
1899	52	61
1904	52	46.7
1905	34	46.7
1906	40	46.7
1907	35	46.7
1908	57	46.7
1909	62	46.7
1910	80	52.3
1911	58	52.3
1912	49	52.3
1913	71	52.3
1914	55	52.3
1915	8	52.3
1916	49	52.3
1917	46	52.3
1918	47	52.3
1919	60	52.3
1920	34	47.4
1921	62	47.4
1922	54	47.4
1923	31	47.4
1924	30	47.4
1925	55	47.4
1926	58	47.4
1927	41	47.4
1928	45	47.4
1929	64	47.4
1930	55	73
1931	83	73
1932	55	73
1933	81	73
1934	83	73
1935	67	73
1936	87	73
1937	67	73
1938	69	73
1939	83	73
1940	67	48.5
1941	64	48.5
1942	23	48.5
1943	59	48.5
1944	32	48.5
1945	36	48.5
1946	44	48.5
1947	55	48.5
1948	45	48.5
1949	60	48.5
1950	27	49.7
1951	22	49.7
1952	65	49.7
1953	48	49.7
1954	54	49.7
1955	70	49.7
1956	51	49.7
1957	31	49.7
1958	49	49.7
1959	80	49.7
1960	51	50.7
1961	64	50.7
1962	24	50.7
1963	66	50.7
1964	60	50.7
1965	44	50.7
1966	65	50.7
1967	47	50.7
1968	33	50.7
1969	53	50.7
1970	77	67.8
1971	67	67.8
1972	51	67.8
1973	71	67.8
1974	64	67.8
1975	64	67.8
1976	102	67.8
1977	66	67.8
1978	64	67.8
1979	52	67.8
1980	85	64.9
1981	54	64.9
1982	48	64.9
1983	70	64.9
1984	65	64.9
1987	65	64.9
1989	67	64.9
1990	59	36.7
1991	48	36.7
1992	20	36.7
1993	11	36.7
1994	33	36.7
1995	45	36.7
1996	42	36.7
1997	29	36.7
1999	43	36.7
2001	62	52.1
2002	60	52.1
2003	65	52.1
2004	40	52.1
2005	62	52.1
2006	63	52.1
2007	53	52.1
2008	32	52.1
2009	32	52.1
2010	42	42.6
2012	71	42.6
2013	39	42.6
2014	25	42.6
2015	43	42.6
2016	49	42.6
2017	54	42.6
2018	36	42.6
2019	24	42.6
2020	44	47
2022	62	47
2023	57	47
2024	42	47
2025	47	47
2026	30	47

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

First to last qualifying date each year at Highmore
Year	First date	Last date
1894	1894-05-11	1894-09-18
1895	1895-05-08	1895-09-27
1897	1897-04-27	1897-10-02
1899	1899-05-11	1899-09-11
1904	1904-05-30	1904-09-27
1905	1905-06-03	1905-10-06
1906	1906-04-24	1906-10-03
1907	1907-06-15	1907-09-11
1908	1908-04-13	1908-10-15
1909	1909-05-04	1909-10-06
1910	1910-03-23	1910-10-18
1911	1911-05-09	1911-09-22
1912	1912-05-09	1912-10-05
1913	1913-05-27	1913-09-14
1914	1914-06-03	1914-10-02
1915	1915-05-12	1915-09-02
1916	1916-05-05	1916-09-09
1917	1917-05-16	1917-09-23
1918	1918-05-03	1918-09-12
1919	1919-06-13	1919-09-26
1920	1920-06-08	1920-10-07
1921	1921-04-03	1921-09-01
1922	1922-06-04	1922-10-05
1923	1923-04-18	1923-09-05
1924	1924-04-23	1924-09-23
1925	1925-04-12	1925-09-19
1926	1926-04-15	1926-09-17
1927	1927-06-19	1927-10-26
1928	1928-05-01	1928-10-10
1929	1929-05-25	1929-09-22
1930	1930-05-21	1930-09-23
1931	1931-05-15	1931-10-02
1932	1932-05-13	1932-09-14
1933	1933-05-17	1933-10-29
1934	1934-04-29	1934-10-11
1935	1935-06-13	1935-10-15
1936	1936-05-05	1936-10-08
1937	1937-05-28	1937-10-03
1938	1938-06-05	1938-10-04
1939	1939-05-01	1939-09-24
1940	1940-05-11	1940-10-25
1941	1941-05-13	1941-09-20
1942	1942-04-14	1942-10-07
1943	1943-04-03	1943-10-11
1944	1944-05-23	1944-09-08
1945	1945-06-22	1945-10-17
1946	1946-03-31	1946-09-15
1947	1947-07-03	1947-10-21
1948	1948-05-18	1948-09-17
1949	1949-05-30	1949-09-24
1950	1950-06-05	1950-10-30
1951	1951-07-07	1951-10-01
1952	1952-04-27	1952-09-28
1953	1953-05-29	1953-10-18
1954	1954-05-22	1954-10-08
1955	1955-04-30	1955-10-10
1956	1956-06-03	1956-10-13
1957	1957-06-05	1957-08-31
1958	1958-04-16	1958-10-19
1959	1959-04-06	1959-09-14
1960	1960-06-26	1960-10-08
1961	1961-04-19	1961-10-06
1962	1962-04-24	1962-09-11
1963	1963-05-07	1963-10-06
1964	1964-04-16	1964-10-15
1965	1965-04-29	1965-09-03
1966	1966-05-04	1966-09-23
1967	1967-05-22	1967-09-25
1968	1968-04-30	1968-09-14
1969	1969-05-14	1969-09-21
1970	1970-05-07	1970-10-05
1971	1971-04-07	1971-09-14
1972	1972-05-16	1972-09-20
1973	1973-05-20	1973-09-10
1974	1974-06-18	1974-09-27
1975	1975-06-20	1975-10-08
1976	1976-05-11	1976-10-02
1977	1977-04-09	1977-09-14
1978	1978-06-09	1978-09-26
1979	1979-05-28	1979-09-27
1980	1980-04-19	1980-10-09
1981	1981-05-02	1981-09-29
1982	1982-05-03	1982-09-10
1983	1983-05-27	1983-09-28
1984	1984-05-16	1984-09-22
1987	1987-04-17	1987-09-27
1989	1989-04-22	1989-10-01
1990	1990-04-22	1990-10-05
1991	1991-06-12	1991-10-16
1992	1992-04-30	1992-10-02
1993	1993-07-03	1993-10-05
1994	1994-05-10	1994-09-13
1995	1995-06-14	1995-09-28
1996	1996-06-11	1996-09-10
1997	1997-05-17	1997-10-02
1999	1999-06-21	1999-09-01
2001	2001-04-28	2001-10-02
2002	2002-05-29	2002-09-16
2003	2003-04-13	2003-10-20
2004	2004-04-28	2004-09-21
2005	2005-06-06	2005-10-01
2006	2006-05-18	2006-10-07
2007	2007-05-13	2007-10-06
2008	2008-06-24	2008-09-16
2009	2009-04-23	2009-09-08
2010	2010-05-22	2010-10-08
2012	2012-04-01	2012-09-16
2013	2013-05-13	2013-09-23
2014	2014-05-29	2014-09-27
2015	2015-06-02	2015-10-11
2016	2016-06-08	2016-09-23
2017	2017-05-07	2017-09-21
2018	2018-05-26	2018-09-16
2019	2019-06-04	2019-09-16
2020	2020-06-01	2020-09-15
2022	2022-05-12	2022-09-19
2023	2023-05-23	2023-10-02
2024	2024-04-13	2024-09-29
2025	2025-05-11	2025-10-05
2026	2026-04-23	2026-10-11

Every Fixed Threshold

Fixed thresholds at Highmore
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	120	102	1976	30
35 C (95 F): Days	118	54	1936	3
40 C (104 F): Days	64	24	1936	1
45 C (113 F): Days	4	2	1936	1
90 F (32.2 C): Days	119	76	1976	13
100 F (37.8 C): Days	90	40	1936	1
110 F (43.3 C): Days	13	8	1936	4
0 C (32 F): Ice days (max	120	97	1978	26
0 C (32 F): Frost days (min	118	198	1917	113
-10 C (14 F): Days with min	118	110	1978	38
-20 C (-4 F): Days with min	118	54	1916	10
-30 C (-22 F): Days with min	96	22	1936	2
-40 C (-40 F): Days with min	5	1	1899	1
20 C (68 F): Tropical nights (min	114	26	1899	1
25 C (77 F): Days with min	25	4	1931	1
10 mm (0.39 in): Days with 10 mm or more rain	121	28	1957	14
25 mm (0.98 in): Days with 25 mm or more rain	118	11	2019	3
50 mm (1.97 in): Days with 50 mm or more rain	49	4	2019	1
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1981	1
10 cm (3.9 in): Days with 10 cm or more snowfall	97	11	2019	1
25 cm (9.8 in): Days with 25 cm or more snowfall	16	3	1995	2
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1995	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

Data for Highmore 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).

Highmore Threshold Days by Year (USC00393832)

Key Facts for Highmore Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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