Milan 7 NNW Threshold Days by Year (USC00275400)

5 fixed thresholds counted per year at Milan 7 NNW (USC00275400): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Milan 7 NNW Thresholds

Milan 7 NNW: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1954 with 47.
Milan 7 NNW: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1976 with 12.
Milan 7 NNW: days with 10 cm (3.9 in) or more of snowfall in 29 years, most in 1971 with 18.
Milan 7 NNW: days with 25 cm (9.8 in) or more of snowfall in 18 years, most in 1978 with 4.
5 fixed thresholds have at least one qualifying day at Milan 7 NNW.

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

52 years with a qualifying day

Days per year at Milan 7 NNW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1954.

Days with 10 mm (0.39 in) or more of precipitation per year at Milan 7 NNW
Year	Days	Decade average
1927	38	40.5
1928	43	40.5
1931	30	35.8
1932	30	35.8
1933	44	35.8
1934	31	35.8
1935	37	35.8
1936	39	35.8
1937	35	35.8
1938	41	35.8
1939	35	35.8
1940	32	28.9
1941	24	28.9
1942	25	28.9
1943	36	28.9
1944	29	28.9
1945	32	28.9
1946	34	28.9
1947	29	28.9
1948	27	28.9
1949	21	28.9
1950	30	32.2
1952	25	32.2
1953	34	32.2
1954	47	32.2
1955	32	32.2
1956	28	32.2
1957	34	32.2
1958	32	32.2
1959	28	32.2
1960	24	30.5
1961	22	30.5
1962	37	30.5
1963	30	30.5
1964	24	30.5
1965	35	30.5
1966	32	30.5
1967	25	30.5
1968	33	30.5
1969	43	30.5
1970	30	32.6
1971	36	32.6
1972	30	32.6
1973	34	32.6
1974	39	32.6
1975	26	32.6
1976	37	32.6
1977	28	32.6
1978	39	32.6
1979	27	32.6
1980	30	37.5
1981	45	37.5

For each year, a bar from the first to the last day at Milan 7 NNW meeting 10 mm (0.39 in).

First to last qualifying date each year at Milan 7 NNW
Year	First date	Last date
1927	1927-01-04	1927-12-16
1928	1928-01-12	1928-12-28
1931	1931-01-06	1931-12-23
1932	1932-01-13	1932-12-31
1933	1933-01-01	1933-12-26
1934	1934-01-01	1934-12-29
1935	1935-01-01	1935-12-09
1936	1936-01-03	1936-12-26
1937	1937-01-14	1937-12-18
1938	1938-01-01	1938-12-10
1939	1939-01-02	1939-12-20
1940	1940-01-15	1940-12-16
1941	1941-01-04	1941-12-24
1942	1942-01-02	1942-12-30
1943	1943-02-11	1943-11-23
1944	1944-01-07	1944-12-28
1945	1945-01-02	1945-12-27
1946	1946-01-10	1946-12-28
1947	1947-01-02	1947-11-24
1948	1948-01-09	1948-12-31
1949	1949-01-06	1949-12-27
1950	1950-01-14	1950-12-29
1952	1952-01-18	1952-12-23
1953	1953-01-03	1953-12-10
1954	1954-01-06	1954-12-30
1955	1955-02-07	1955-11-17
1956	1956-01-08	1956-12-09
1957	1957-01-23	1957-12-21
1958	1958-01-08	1958-11-29
1959	1959-01-21	1959-12-29
1960	1960-01-03	1960-12-21
1961	1961-03-09	1961-12-28
1962	1962-01-07	1962-12-22
1963	1963-01-13	1963-12-09
1964	1964-01-21	1964-12-28
1965	1965-01-24	1965-12-24
1966	1966-01-03	1966-12-29
1967	1967-01-13	1967-12-29
1968	1968-01-07	1968-12-28
1969	1969-01-07	1969-12-27
1970	1970-02-03	1970-12-24
1971	1971-01-26	1971-12-31
1972	1972-02-04	1972-12-31
1973	1973-01-20	1973-12-27
1974	1974-01-11	1974-12-17
1975	1975-01-25	1975-12-26
1976	1976-01-03	1976-12-29
1977	1977-01-10	1977-12-14
1978	1978-01-09	1978-12-25
1979	1979-01-02	1979-11-03
1980	1980-02-16	1980-12-16
1981	1981-02-02	1981-12-29

Every Fixed Threshold

Fixed thresholds at Milan 7 NNW
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	52	47	1954	45
25 mm (0.98 in): Days with 25 mm or more rain	52	12	1976	12
50 mm (1.97 in): Days with 50 mm or more rain	14	2	1932	1
10 cm (3.9 in): Days with 10 cm or more snowfall	29	18	1971	8
25 cm (9.8 in): Days with 25 cm or more snowfall	18	4	1978	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1927.

Download the Data

Data for Milan 7 NNW 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).

Milan 7 NNW Threshold Days by Year (USC00275400)

Key Facts for Milan 7 NNW Thresholds

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

Every Fixed Threshold

Download the Data

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