Milan 1NW Threshold Days by Year (USC00215400)

22 fixed thresholds counted per year at Milan 1NW (USC00215400): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Milan 1NW Thresholds

Milan 1NW: nights with a minimum temperature at or below 0 C (32 F) in 133 years, most in 1907 with 207.
Milan 1NW: nights with a minimum temperature at or below -10 C (14 F) in 133 years, most in 1950 with 111.
Milan 1NW: nights with a minimum temperature at or below -20 C (-4 F) in 133 years, most in 1917 with 55.
Milan 1NW: days with a maximum temperature at or above 30 C (86 F) in 131 years, most in 2021 with 80.
22 fixed thresholds have at least one qualifying day at Milan 1NW.

Days at or above 30 C (86 F)

131 years with a qualifying day

Days per year at Milan 1NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 80 in 2021.

Days at or above 30 C (86 F) per year at Milan 1NW
Year	Days	Decade average
1894	66	41.7
1895	48	41.7
1896	32	41.7
1897	41	41.7
1898	33	41.7
1899	30	41.7
1900	49	23.4
1901	52	23.4
1902	28	23.4
1903	6	23.4
1904	7	23.4
1905	17	23.4
1906	20	23.4
1907	8	23.4
1908	25	23.4
1909	22	23.4
1910	36	24.1
1911	33	24.1
1912	15	24.1
1913	26	24.1
1914	20	24.1
1915	1	24.1
1917	25	24.1
1918	34	24.1
1919	27	24.1
1920	21	34.1
1921	60	34.1
1922	52	34.1
1923	37	34.1
1924	15	34.1
1926	33	34.1
1927	23	34.1
1928	26	34.1
1929	40	34.1
1930	48	59.2
1931	65	59.2
1932	54	59.2
1933	75	59.2
1934	72	59.2
1935	54	59.2
1936	62	59.2
1937	56	59.2
1938	50	59.2
1939	56	59.2
1940	49	35.6
1941	46	35.6
1942	17	35.6
1943	33	35.6
1944	32	35.6
1945	22	35.6
1946	27	35.6
1947	44	35.6
1948	39	35.6
1949	47	35.6
1950	25	29.1
1951	14	29.1
1952	44	29.1
1953	30	29.1
1954	23	29.1
1955	39	29.1
1956	14	29.1
1957	19	29.1
1958	28	29.1
1959	55	29.1
1960	31	26.1
1961	33	26.1
1962	15	26.1
1963	21	26.1
1964	40	26.1
1965	12	26.1
1966	34	26.1
1967	16	26.1
1968	25	26.1
1969	34	26.1
1970	51	44.2
1971	33	44.2
1972	38	44.2
1973	43	44.2
1974	42	44.2
1975	45	44.2
1976	75	44.2
1977	39	44.2
1978	49	44.2
1979	27	44.2
1980	50	40.3
1981	23	40.3
1982	31	40.3
1983	53	40.3
1984	29	40.3
1985	30	40.3
1986	20	40.3
1987	55	40.3
1988	73	40.3
1989	39	40.3
1990	37	30
1991	35	30
1992	17	30
1993	10	30
1994	26	30
1995	29	30
1996	27	30
1997	37	30
1998	42	30
1999	40	30
2000	51	45.9
2001	54	45.9
2002	54	45.9
2003	52	45.9
2004	29	45.9
2005	49	45.9
2006	45	45.9
2007	64	45.9
2008	34	45.9
2009	27	45.9
2010	47	48.1
2011	56	48.1
2012	79	48.1
2013	49	48.1
2014	24	48.1
2015	49	48.1
2016	41	48.1
2017	40	48.1
2018	55	48.1
2019	41	48.1
2020	55	54.9
2021	80	54.9
2022	53	54.9
2023	62	54.9
2024	40	54.9
2025	49	54.9
2026	45	54.9

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

First to last qualifying date each year at Milan 1NW
Year	First date	Last date
1894	1894-05-13	1894-09-28
1895	1895-05-08	1895-09-20
1896	1896-05-05	1896-09-08
1897	1897-04-27	1897-10-02
1898	1898-05-26	1898-09-27
1899	1899-05-11	1899-09-11
1900	1900-05-10	1900-09-10
1901	1901-04-30	1901-09-22
1902	1902-05-18	1902-09-07
1903	1903-07-07	1903-09-25
1904	1904-05-22	1904-08-27
1905	1905-06-03	1905-09-29
1906	1906-05-11	1906-09-10
1907	1907-06-16	1907-08-31
1908	1908-04-14	1908-09-22
1909	1909-05-05	1909-10-06
1910	1910-04-27	1910-10-17
1911	1911-05-09	1911-09-16
1912	1912-06-25	1912-09-08
1913	1913-04-30	1913-09-06
1914	1914-05-26	1914-08-31
1915	1915-08-16	1915-08-16
1917	1917-05-18	1917-08-26
1918	1918-05-03	1918-10-16
1919	1919-05-28	1919-08-11
1920	1920-06-08	1920-09-21
1921	1921-05-20	1921-09-02
1922	1922-06-04	1922-10-04
1923	1923-05-27	1923-09-05
1924	1924-04-24	1924-08-29
1926	1926-05-01	1926-08-31
1927	1927-06-19	1927-09-14
1928	1928-05-08	1928-10-10
1929	1929-06-10	1929-09-23
1930	1930-05-21	1930-10-11
1931	1931-04-08	1931-10-02
1932	1932-05-13	1932-09-30
1933	1933-05-18	1933-09-29
1934	1934-04-28	1934-10-11
1935	1935-06-13	1935-09-25
1936	1936-05-16	1936-09-23
1937	1937-05-28	1937-09-23
1938	1938-06-05	1938-10-09
1939	1939-04-23	1939-10-06
1940	1940-05-12	1940-09-20
1941	1941-05-13	1941-09-20
1942	1942-06-11	1942-09-10
1943	1943-05-28	1943-08-31
1944	1944-05-30	1944-09-17
1945	1945-06-22	1945-10-17
1946	1946-06-06	1946-09-04
1947	1947-06-26	1947-10-21
1948	1948-05-19	1948-09-17
1949	1949-05-03	1949-08-29
1950	1950-05-22	1950-09-25
1951	1951-06-16	1951-10-01
1952	1952-04-27	1952-09-30
1953	1953-05-29	1953-10-02
1954	1954-06-12	1954-09-01
1955	1955-05-02	1955-10-10
1956	1956-06-09	1956-09-27
1957	1957-07-02	1957-08-31
1958	1958-05-10	1958-10-15
1959	1959-05-01	1959-09-14
1960	1960-06-26	1960-09-06
1961	1961-05-31	1961-10-06
1962	1962-04-24	1962-08-27
1963	1963-05-07	1963-10-05
1964	1964-04-16	1964-09-02
1965	1965-04-29	1965-08-14
1966	1966-05-22	1966-09-09
1967	1967-05-25	1967-08-24
1968	1968-04-30	1968-08-23
1969	1969-05-26	1969-09-14
1970	1970-05-07	1970-10-05
1971	1971-05-14	1971-09-07
1972	1972-05-16	1972-09-19
1973	1973-05-31	1973-09-02
1974	1974-05-20	1974-09-26
1975	1975-05-17	1975-10-04
1976	1976-04-13	1976-09-30
1977	1977-04-09	1977-09-08
1978	1978-05-25	1978-09-12
1979	1979-05-28	1979-09-17
1980	1980-04-20	1980-10-07
1981	1981-06-07	1981-09-10
1982	1982-05-03	1982-09-10
1983	1983-06-10	1983-09-27
1984	1984-05-31	1984-09-21
1985	1985-04-17	1985-09-18
1986	1986-05-30	1986-08-16
1987	1987-04-17	1987-09-26
1988	1988-05-12	1988-09-18
1989	1989-06-06	1989-09-30
1990	1990-04-21	1990-10-05
1991	1991-04-06	1991-10-16
1992	1992-04-30	1992-10-02
1993	1993-06-11	1993-10-06
1994	1994-05-17	1994-09-20
1995	1995-06-04	1995-10-11
1996	1996-06-10	1996-09-06
1997	1997-06-01	1997-10-07
1998	1998-05-14	1998-09-19
1999	1999-05-28	1999-09-03
2000	2000-05-03	2000-10-19
2001	2001-04-28	2001-10-02
2002	2002-04-16	2002-09-30
2003	2003-04-13	2003-10-19
2004	2004-04-18	2004-09-19
2005	2005-06-07	2005-10-01
2006	2006-04-13	2006-10-07
2007	2007-05-13	2007-10-06
2008	2008-06-24	2008-09-26
2009	2009-04-23	2009-09-18
2010	2010-05-24	2010-10-09
2011	2011-05-10	2011-10-05
2012	2012-05-01	2012-09-30
2013	2013-05-13	2013-09-26
2014	2014-05-24	2014-08-22
2015	2015-05-02	2015-10-11
2016	2016-05-05	2016-08-29
2017	2017-05-13	2017-09-23
2018	2018-05-07	2018-09-17
2019	2019-05-30	2019-09-30
2020	2020-05-27	2020-09-23
2021	2021-04-05	2021-10-04
2022	2022-06-11	2022-09-20
2023	2023-05-22	2023-10-03
2024	2024-04-13	2024-10-10
2025	2025-05-06	2025-10-05
2026	2026-04-16	2026-09-11

Every Fixed Threshold

Fixed thresholds at Milan 1NW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	131	80	2021	45
35 C (95 F): Days	112	31	1976	3
40 C (104 F): Days	14	8	1936	4
45 C (113 F): Days	1	1	1934	1
90 F (32.2 C): Days	130	58	1976	22
100 F (37.8 C): Days	45	17	1988	3
110 F (43.3 C): Days	1	2	1934	2
0 C (32 F): Ice days (max	131	106	1950	32
0 C (32 F): Frost days (min	133	207	1907	112
-10 C (14 F): Days with min	133	111	1950	37
-20 C (-4 F): Days with min	133	55	1917	13
-30 C (-22 F): Days with min	108	23	1936	1
-40 C (-40 F): Days with min	2	1	1899	1
20 C (68 F): Tropical nights (min	129	26	2002	14
25 C (77 F): Days with min	33	3	1931	1
10 mm (0.39 in): Days with 10 mm or more rain	131	31	1906	11
25 mm (0.98 in): Days with 25 mm or more rain	131	14	1953	3
50 mm (1.97 in): Days with 50 mm or more rain	74	4	1953	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1971	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1995	1
10 cm (3.9 in): Days with 10 cm or more snowfall	88	8	2001	1
25 cm (9.8 in): Days with 25 cm or more snowfall	18	3	2011	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 Milan 1NW 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).

Milan 1NW Threshold Days by Year (USC00215400)

Key Facts for Milan 1NW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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