Salem Threshold Days by Year (IN020110800)

6 fixed thresholds counted per year at Salem (IN020110800): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Salem Thresholds

Salem: days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 1922 with 48.
Salem: days with 25 mm (0.98 in) or more of precipitation in 69 years, most in 1964 with 21.
Salem: days with 50 mm (1.97 in) or more of precipitation in 62 years, most in 1964 with 8.
Salem: days with 100 mm (3.94 in) or more of precipitation in 13 years, most in 1952 with 2.
6 fixed thresholds have at least one qualifying day at Salem.

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

69 years with a qualifying day

Days per year at Salem with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1922.

Days with 10 mm (0.39 in) or more of precipitation per year at Salem
Year	Days	Decade average
1901	25	30.4
1902	38	30.4
1903	39	30.4
1904	26	30.4
1905	26	30.4
1906	32	30.4
1907	24	30.4
1908	26	30.4
1909	38	30.4
1910	28	26
1911	21	26
1912	28	26
1913	17	26
1914	23	26
1915	34	26
1916	28	26
1917	31	26
1918	21	26
1919	29	26
1920	36	28.7
1921	35	28.7
1922	48	28.7
1923	22	28.7
1924	22	28.7
1925	29	28.7
1926	21	28.7
1927	25	28.7
1928	28	28.7
1929	21	28.7
1930	31	26.5
1933	34	26.5
1934	27	26.5
1935	22	26.5
1936	26	26.5
1937	22	26.5
1938	19	26.5
1939	31	26.5
1940	26	28.9
1941	27	28.9
1942	24	28.9
1943	32	28.9
1944	31	28.9
1945	15	28.9
1946	43	28.9
1947	34	28.9
1948	25	28.9
1949	32	28.9
1950	21	27.7
1951	24	27.7
1952	20	27.7
1953	36	27.7
1954	31	27.7
1955	32	27.7
1956	30	27.7
1957	25	27.7
1958	27	27.7
1959	31	27.7
1960	28	31.9
1961	35	31.9
1962	29	31.9
1963	31	31.9
1964	43	31.9
1965	26	31.9
1966	38	31.9
1967	31	31.9
1968	33	31.9
1969	25	31.9
1970	38	38
2026	2	2

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

First to last qualifying date each year at Salem
Year	First date	Last date
1901	1901-04-11	1901-11-19
1902	1902-03-15	1902-12-15
1903	1903-05-10	1903-12-05
1904	1904-04-02	1904-10-22
1905	1905-04-21	1905-11-26
1906	1906-01-17	1906-12-28
1907	1907-04-12	1907-11-21
1908	1908-02-24	1908-10-25
1909	1909-01-01	1909-10-31
1910	1910-02-20	1910-11-16
1911	1911-03-07	1911-11-22
1912	1912-05-01	1912-11-25
1913	1913-04-19	1913-11-10
1914	1914-04-16	1914-11-07
1915	1915-03-03	1915-12-26
1916	1916-05-08	1916-11-29
1917	1917-02-01	1917-11-16
1918	1918-01-03	1918-12-04
1919	1919-05-09	1919-12-08
1920	1920-01-02	1920-11-28
1921	1921-01-22	1921-11-03
1922	1922-04-30	1922-12-01
1923	1923-03-14	1923-10-29
1924	1924-04-01	1924-11-12
1925	1925-04-25	1925-12-11
1926	1926-01-29	1926-11-01
1927	1927-05-02	1927-11-06
1928	1928-02-05	1928-10-26
1929	1929-04-12	1929-11-15
1930	1930-02-22	1930-11-30
1933	1933-03-12	1933-12-22
1934	1934-01-25	1934-11-28
1935	1935-01-08	1935-11-18
1936	1936-02-08	1936-12-18
1937	1937-04-12	1937-11-17
1938	1938-03-25	1938-12-27
1939	1939-04-14	1939-11-18
1940	1940-03-18	1940-11-13
1941	1941-04-11	1941-12-04
1942	1942-04-23	1942-12-20
1943	1943-01-03	1943-11-22
1944	1944-02-21	1944-12-22
1945	1945-04-12	1945-11-14
1946	1946-01-21	1946-12-08
1947	1947-01-30	1947-11-22
1948	1948-04-30	1948-11-20
1949	1949-04-02	1949-10-22
1950	1950-02-20	1950-11-15
1951	1951-03-31	1951-11-30
1952	1952-05-29	1952-12-12
1953	1953-04-05	1953-10-30
1954	1954-01-06	1954-12-10
1955	1955-03-04	1955-12-02
1956	1956-04-30	1956-11-23
1957	1957-03-08	1957-12-30
1958	1958-03-24	1958-11-21
1959	1959-02-01	1959-12-01
1960	1960-04-04	1960-11-22
1961	1961-01-11	1961-12-01
1962	1962-03-22	1962-12-03
1963	1963-05-12	1963-12-08
1964	1964-05-02	1964-12-24
1965	1965-04-06	1965-12-10
1966	1966-04-22	1966-12-20
1967	1967-01-11	1967-12-10
1968	1968-03-28	1968-12-19
1969	1969-04-22	1969-12-15
1970	1970-02-22	1970-11-20
2026	2026-03-19	2026-03-20

Every Fixed Threshold

Fixed thresholds at Salem
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
20 C (68 F): Tropical nights (min	1	0	n/a	311
25 C (77 F): Days with min	1	0	n/a	54
10 mm (0.39 in): Days with 10 mm or more rain	69	48	1922	2
25 mm (0.98 in): Days with 25 mm or more rain	69	21	1964	1
50 mm (1.97 in): Days with 50 mm or more rain	62	8	1964	5
100 mm (3.94 in): Days with 100 mm or more rain	13	2	1952	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2021.

Download the Data

Data for Salem 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).

Salem Threshold Days by Year (IN020110800)

Key Facts for Salem Thresholds

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

Every Fixed Threshold

Download the Data

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