Monmouth Threshold Days by Year (USC00115768)

19 fixed thresholds counted per year at Monmouth (USC00115768): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Monmouth Thresholds

Monmouth: days with 10 mm (0.39 in) or more of precipitation in 132 years, most in 1973 with 46.
Monmouth: days with 25 mm (0.98 in) or more of precipitation in 132 years, most in 1998 with 18.
Monmouth: days with a maximum temperature at or above 30 C (86 F) in 130 years, most in 1936 with 91.
Monmouth: days with a maximum temperature at or above 90 F (32.2 C) in 130 years, most in 1936 with 68.
19 fixed thresholds have at least one qualifying day at Monmouth.

Days at or above 30 C (86 F)

130 years with a qualifying day

Days per year at Monmouth with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 91 in 1936.

Days at or above 30 C (86 F) per year at Monmouth
Year	Days	Decade average
1894	88	69.2
1895	80	69.2
1896	51	69.2
1897	72	69.2
1898	47	69.2
1899	77	69.2
1900	80	61.9
1901	89	61.9
1902	40	61.9
1903	47	61.9
1904	30	61.9
1905	58	61.9
1906	73	61.9
1907	57	61.9
1908	71	61.9
1909	74	61.9
1910	68	62.1
1911	86	62.1
1912	50	62.1
1913	75	62.1
1914	80	62.1
1915	27	62.1
1916	63	62.1
1917	36	62.1
1918	55	62.1
1919	81	62.1
1920	63	52.8
1921	77	52.8
1922	69	52.8
1923	56	52.8
1924	30	52.8
1925	67	52.8
1926	43	52.8
1927	42	52.8
1928	42	52.8
1929	39	52.8
1930	67	67.1
1931	58	67.1
1932	50	67.1
1933	76	67.1
1934	80	67.1
1935	63	67.1
1936	91	67.1
1937	64	67.1
1938	59	67.1
1939	63	67.1
1940	60	53.8
1941	68	53.8
1942	51	53.8
1943	54	53.8
1944	62	53.8
1945	38	53.8
1946	44	53.8
1947	57	53.8
1948	49	53.8
1949	55	53.8
1950	22	56.1
1951	35	56.1
1952	65	56.1
1953	76	56.1
1954	72	56.1
1955	70	56.1
1956	65	56.1
1957	54	56.1
1958	30	56.1
1959	72	56.1
1960	43	49.3
1961	60	49.3
1962	58	49.3
1963	60	49.3
1964	67	49.3
1965	35	49.3
1966	55	49.3
1967	26	49.3
1968	49	49.3
1969	40	49.3
1970	48	51.5
1971	67	51.5
1972	55	51.5
1973	48	51.5
1974	36	51.5
1975	55	51.5
1976	43	51.5
1977	62	51.5
1978	50	51.5
1979	51	51.5
1980	62	53.9
1981	26	53.9
1982	32	53.9
1983	74	53.9
1984	44	53.9
1985	40	53.9
1986	49	53.9
1987	81	53.9
1988	84	53.9
1989	47	53.9
1990	51	48.6
1991	73	48.6
1992	34	48.6
1993	45	48.6
1994	60	48.6
1995	70	48.6
1996	35	48.6
1997	35	48.6
1998	44	48.6
1999	39	48.6
2000	42	45.6
2002	61	45.6
2003	39	45.6
2004	16	45.6
2005	70	45.6
2006	63	45.6
2007	68	45.6
2008	35	45.6
2009	16	45.6
2012	74	46.1
2013	40	46.1
2014	24	46.1
2015	26	46.1
2016	53	46.1
2017	45	46.1
2018	64	46.1
2019	43	46.1
2020	37	43.1
2021	52	43.1
2022	36	43.1
2023	43	43.1
2024	41	43.1
2025	57	43.1
2026	36	43.1

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

First to last qualifying date each year at Monmouth
Year	First date	Last date
1894	1894-04-17	1894-09-14
1895	1895-04-25	1895-09-25
1896	1896-05-05	1896-09-10
1897	1897-06-10	1897-10-15
1898	1898-05-24	1898-09-29
1899	1899-04-29	1899-10-15
1900	1900-05-13	1900-10-05
1901	1901-04-29	1901-09-28
1902	1902-04-21	1902-08-29
1903	1903-05-16	1903-09-14
1904	1904-06-03	1904-09-28
1905	1905-05-10	1905-10-08
1906	1906-05-16	1906-09-19
1907	1907-03-21	1907-09-19
1908	1908-05-12	1908-09-26
1909	1909-04-29	1909-10-02
1910	1910-03-23	1910-10-26
1911	1911-05-09	1911-10-03
1912	1912-05-21	1912-10-06
1913	1913-05-28	1913-09-10
1914	1914-04-26	1914-09-19
1915	1915-05-12	1915-09-13
1916	1916-05-07	1916-10-08
1917	1917-05-18	1917-09-15
1918	1918-05-04	1918-10-16
1919	1919-05-29	1919-10-02
1920	1920-06-08	1920-10-10
1921	1921-05-18	1921-09-20
1922	1922-05-10	1922-10-05
1923	1923-06-03	1923-09-05
1924	1924-05-05	1924-10-18
1925	1925-04-22	1925-09-29
1926	1926-05-06	1926-10-03
1927	1927-05-21	1927-10-27
1928	1928-05-02	1928-10-11
1929	1929-05-28	1929-09-28
1930	1930-04-10	1930-10-10
1931	1931-05-27	1931-09-20
1932	1932-05-14	1932-09-19
1933	1933-06-01	1933-09-30
1934	1934-05-06	1934-09-25
1935	1935-06-13	1935-09-24
1936	1936-04-20	1936-09-22
1937	1937-05-29	1937-09-23
1938	1938-05-03	1938-10-10
1939	1939-05-22	1939-10-07
1940	1940-05-13	1940-10-05
1941	1941-04-13	1941-09-24
1942	1942-04-04	1942-09-18
1943	1943-05-05	1943-09-05
1944	1944-05-15	1944-09-03
1945	1945-06-23	1945-09-09
1946	1946-06-07	1946-10-07
1947	1947-06-09	1947-10-15
1948	1948-06-01	1948-09-20
1949	1949-05-03	1949-10-08
1950	1950-05-23	1950-10-30
1951	1951-05-15	1951-10-04
1952	1952-04-29	1952-09-30
1953	1953-05-25	1953-10-15
1954	1954-04-25	1954-10-03
1955	1955-05-02	1955-09-19
1956	1956-04-27	1956-10-17
1957	1957-06-05	1957-09-19
1958	1958-05-11	1958-09-05
1959	1959-05-02	1959-09-22
1960	1960-05-15	1960-09-09
1961	1961-05-31	1961-09-12
1962	1962-04-26	1962-10-11
1963	1963-05-08	1963-10-26
1964	1964-05-16	1964-09-20
1965	1965-05-07	1965-09-19
1966	1966-05-05	1966-09-11
1967	1967-05-18	1967-10-04
1968	1968-05-02	1968-09-03
1969	1969-05-03	1969-10-04
1970	1970-04-28	1970-09-21
1971	1971-04-12	1971-10-02
1972	1972-05-19	1972-09-20
1973	1973-06-08	1973-09-02
1974	1974-05-20	1974-08-27
1975	1975-05-18	1975-10-13
1976	1976-06-07	1976-10-03
1977	1977-04-15	1977-09-08
1978	1978-05-25	1978-09-19
1979	1979-05-08	1979-09-28
1980	1980-04-22	1980-09-20
1981	1981-04-27	1981-09-30
1982	1982-05-17	1982-10-05
1983	1983-06-09	1983-09-18
1984	1984-05-18	1984-09-24
1985	1985-04-18	1985-09-19
1986	1986-03-29	1986-09-28
1987	1987-04-20	1987-09-06
1988	1988-05-07	1988-09-23
1989	1989-04-25	1989-10-14
1990	1990-04-24	1990-10-06
1991	1991-05-12	1991-09-15
1992	1992-04-30	1992-09-16
1993	1993-05-08	1993-09-13
1994	1994-05-21	1994-09-30
1995	1995-06-05	1995-10-02
1996	1996-05-17	1996-08-23
1997	1997-05-19	1997-10-06
1998	1998-05-14	1998-09-27
1999	1999-06-05	1999-09-24
2000	2000-05-08	2000-09-19
2002	2002-04-16	2002-09-30
2003	2003-06-18	2003-09-08
2004	2004-05-06	2004-08-27
2005	2005-06-05	2005-09-23
2006	2006-05-24	2006-10-04
2007	2007-04-30	2007-10-08
2008	2008-06-05	2008-10-01
2009	2009-06-01	2009-08-11
2012	2012-04-02	2012-09-13
2013	2013-05-15	2013-09-20
2014	2014-05-08	2014-09-05
2015	2015-06-10	2015-09-18
2016	2016-05-25	2016-10-18
2017	2017-05-16	2017-10-03
2018	2018-05-02	2018-10-04
2019	2019-05-17	2019-10-02
2020	2020-05-25	2020-09-07
2021	2021-04-28	2021-10-01
2022	2022-05-10	2022-09-21
2023	2023-05-08	2023-10-03
2024	2024-05-19	2024-10-13
2025	2025-04-29	2025-10-06
2026	2026-03-22	2026-08-17

Every Fixed Threshold

Fixed thresholds at Monmouth
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	130	91	1936	36
35 C (95 F): Days	108	41	1936	1
40 C (104 F): Days	13	11	1936	1
90 F (32.2 C): Days	130	68	1936	12
100 F (37.8 C): Days	35	26	1936	2
110 F (43.3 C): Days	1	1	1936	1
0 C (32 F): Ice days (max	130	71	1978	25
0 C (32 F): Frost days (min	130	158	2018	71
-10 C (14 F): Days with min	130	69	2014	26
-20 C (-4 F): Days with min	119	25	1936	5
-30 C (-22 F): Days with min	11	2	1905	2
20 C (68 F): Tropical nights (min	130	49	1936	28
25 C (77 F): Days with min	28	10	1936	1
10 mm (0.39 in): Days with 10 mm or more rain	132	46	1973	24
25 mm (0.98 in): Days with 25 mm or more rain	132	18	1998	12
50 mm (1.97 in): Days with 50 mm or more rain	97	6	1902	7
100 mm (3.94 in): Days with 100 mm or more rain	15	2	1956	1
10 cm (3.9 in): Days with 10 cm or more snowfall	103	5	1912	1
25 cm (9.8 in): Days with 25 cm or more snowfall	11	1	1918	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 Monmouth 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 2026-10-13. Last revised 13 October 2026 (2026-10-13).

Monmouth Threshold Days by Year (USC00115768)

Key Facts for Monmouth Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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