1 N McLeansboro Threshold Days by Year (USC00115515)

20 fixed thresholds counted per year at 1 N McLeansboro (USC00115515): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for 1 N McLeansboro Thresholds

1 N McLeansboro: days with 10 mm (0.39 in) or more of precipitation in 104 years, most in 1927 with 50.
1 N McLeansboro: days with 25 mm (0.98 in) or more of precipitation in 104 years, most in 1949 with 23.
1 N McLeansboro: days with a maximum temperature at or above 30 C (86 F) in 102 years, most in 1936 with 123.
1 N McLeansboro: days with a maximum temperature at or above 90 F (32.2 C) in 102 years, most in 1936 with 99.
20 fixed thresholds have at least one qualifying day at 1 N McLeansboro.

Days at or above 30 C (86 F)

102 years with a qualifying day

Days per year at 1 N McLeansboro with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 123 in 1936.

Days at or above 30 C (86 F) per year at 1 N McLeansboro
Year	Days	Decade average
1897	74	76.3
1898	71	76.3
1899	84	76.3
1901	98	70.4
1902	79	70.4
1903	74	70.4
1904	46	70.4
1905	63	70.4
1906	83	70.4
1907	59	70.4
1908	76	70.4
1909	56	70.4
1910	85	84.6
1911	111	84.6
1912	75	84.6
1913	103	84.6
1915	66	84.6
1916	87	84.6
1917	64	84.6
1918	74	84.6
1919	96	84.6
1920	77	91.7
1921	113	91.7
1922	114	91.7
1923	81	91.7
1924	81	91.7
1925	108	91.7
1926	106	91.7
1927	79	91.7
1928	83	91.7
1929	75	91.7
1930	85	98.7
1931	95	98.7
1932	85	98.7
1933	102	98.7
1934	95	98.7
1935	83	98.7
1936	123	98.7
1937	101	98.7
1938	105	98.7
1939	113	98.7
1940	115	92.9
1941	121	92.9
1942	83	92.9
1943	80	92.9
1944	114	92.9
1945	71	92.9
1946	75	92.9
1947	86	92.9
1948	92	92.9
1949	92	92.9
1950	61	88.6
1951	77	88.6
1952	100	88.6
1953	121	88.6
1954	111	88.6
1955	89	88.6
1956	91	88.6
1957	68	88.6
1958	73	88.6
1959	95	88.6
1960	88	78.7
1961	84	78.7
1962	96	78.7
1963	99	78.7
1964	98	78.7
1965	88	78.7
1966	74	78.7
1967	36	78.7
1968	67	78.7
1969	57	78.7
1970	89	71.6
1971	80	71.6
1972	74	71.6
1973	84	71.6
1974	43	71.6
1975	65	71.6
1976	48	71.6
1977	87	71.6
1978	80	71.6
1979	66	71.6
1980	93	76.8
1981	66	76.8
1982	57	76.8
1983	94	76.8
1984	75	76.8
1985	57	76.8
1986	74	76.8
1987	106	76.8
1988	83	76.8
1989	63	76.8
1990	65	73.4
1991	97	73.4
1992	50	73.4
1993	76	73.4
1994	72	73.4
1995	81	73.4
1996	61	73.4
1997	64	73.4
1998	87	73.4
1999	81	73.4
2000	70	70

For each year, a bar from the first to the last day at 1 N McLeansboro meeting 30 C (86 F).

First to last qualifying date each year at 1 N McLeansboro
Year	First date	Last date
1897	1897-05-07	1897-10-15
1898	1898-05-18	1898-10-03
1899	1899-04-27	1899-10-15
1901	1901-04-30	1901-10-01
1902	1902-05-01	1902-09-17
1903	1903-05-16	1903-10-03
1904	1904-05-25	1904-09-30
1905	1905-05-30	1905-09-30
1906	1906-04-29	1906-09-23
1907	1907-05-24	1907-09-21
1908	1908-05-25	1908-09-27
1909	1909-06-07	1909-10-03
1910	1910-03-24	1910-10-19
1911	1911-05-09	1911-10-12
1912	1912-05-03	1912-10-09
1913	1913-04-19	1913-10-10
1915	1915-04-20	1915-09-27
1916	1916-05-06	1916-10-08
1917	1917-05-19	1917-10-17
1918	1918-05-09	1918-10-05
1919	1919-05-29	1919-10-03
1920	1920-05-23	1920-10-22
1921	1921-05-19	1921-09-28
1922	1922-05-09	1922-10-06
1923	1923-05-29	1923-09-29
1924	1924-04-16	1924-10-19
1925	1925-04-21	1925-09-30
1926	1926-04-30	1926-10-03
1927	1927-05-08	1927-10-28
1928	1928-05-02	1928-10-13
1929	1929-03-24	1929-09-29
1930	1930-04-10	1930-10-11
1931	1931-05-16	1931-10-07
1932	1932-05-15	1932-09-18
1933	1933-05-19	1933-09-30
1934	1934-04-04	1934-10-24
1935	1935-04-26	1935-10-16
1936	1936-04-15	1936-10-05
1937	1937-04-17	1937-10-05
1938	1938-04-25	1938-10-18
1939	1939-03-23	1939-10-23
1940	1940-04-01	1940-10-27
1941	1941-04-12	1941-10-20
1942	1942-04-30	1942-10-14
1943	1943-05-05	1943-10-01
1944	1944-05-11	1944-10-07
1945	1945-05-26	1945-09-28
1946	1946-04-21	1946-10-07
1947	1947-05-13	1947-10-22
1948	1948-04-26	1948-09-22
1949	1949-05-03	1949-10-11
1950	1950-05-23	1950-10-31
1951	1951-04-28	1951-10-05
1952	1952-05-01	1952-10-01
1953	1953-05-24	1953-10-22
1954	1954-04-24	1954-10-05
1955	1955-04-16	1955-09-29
1956	1956-05-05	1956-10-06
1957	1957-04-20	1957-09-25
1958	1958-05-15	1958-09-26
1959	1959-04-30	1959-10-04
1960	1960-04-22	1960-10-02
1961	1961-05-31	1961-10-12
1962	1962-04-30	1962-10-12
1963	1963-04-21	1963-10-23
1964	1964-05-05	1964-09-20
1965	1965-04-22	1965-09-20
1966	1966-05-08	1966-09-04
1967	1967-04-16	1967-09-20
1968	1968-05-01	1968-09-23
1969	1969-05-29	1969-09-06
1970	1970-05-12	1970-09-25
1971	1971-04-20	1971-10-03
1972	1972-05-20	1972-09-21
1973	1973-05-27	1973-10-04
1974	1974-05-20	1974-08-27
1975	1975-05-20	1975-10-14
1976	1976-06-09	1976-09-20
1977	1977-04-17	1977-09-19
1978	1978-05-25	1978-09-21
1979	1979-05-10	1979-10-22
1980	1980-04-23	1980-10-09
1981	1981-04-28	1981-10-06
1982	1982-05-06	1982-10-07
1983	1983-06-11	1983-10-04
1984	1984-05-26	1984-09-22
1985	1985-05-31	1985-09-23
1986	1986-05-08	1986-10-05
1987	1987-04-21	1987-09-28
1988	1988-05-15	1988-09-23
1989	1989-04-25	1989-10-14
1990	1990-06-08	1990-09-29
1991	1991-05-15	1991-09-30
1992	1992-05-17	1992-09-16
1993	1993-05-06	1993-09-15
1994	1994-05-24	1994-10-02
1995	1995-06-06	1995-10-12
1996	1996-05-18	1996-09-12
1997	1997-05-19	1997-10-13
1998	1998-05-14	1998-10-06
1999	1999-06-05	1999-09-29
2000	2000-05-12	2000-10-05

Every Fixed Threshold

Fixed thresholds at 1 N McLeansboro
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	102	123	1936	70
35 C (95 F): Days	98	75	1936	3
40 C (104 F): Days	21	27	1936	3
45 C (113 F): Days	1	2	1936	2
90 F (32.2 C): Days	102	99	1936	26
100 F (37.8 C): Days	59	46	1936	5
110 F (43.3 C): Days	2	8	1936	8
0 C (32 F): Ice days (max	102	54	1978	25
0 C (32 F): Frost days (min	101	131	1989	125
-10 C (14 F): Days with min	101	44	1977	32
-20 C (-4 F): Days with min	54	11	1979	1
-30 C (-22 F): Days with min	1	1	1930	1
20 C (68 F): Tropical nights (min	101	65	1934	24
25 C (77 F): Days with min	34	14	1936	2
10 mm (0.39 in): Days with 10 mm or more rain	104	50	1927	37
25 mm (0.98 in): Days with 25 mm or more rain	104	23	1949	9
50 mm (1.97 in): Days with 50 mm or more rain	89	7	1946	2
100 mm (3.94 in): Days with 100 mm or more rain	18	1	1904	1
10 cm (3.9 in): Days with 10 cm or more snowfall	60	6	1912	2
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1947	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

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Data for 1 N McLeansboro 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).

1 N McLeansboro Threshold Days by Year (USC00115515)

Key Facts for 1 N McLeansboro Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

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