Salem Threshold Days by Year (USC00237506)

20 fixed thresholds counted per year at Salem (USC00237506): 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 117 years, most in 1927 with 56.
Salem: days with 25 mm (0.98 in) or more of precipitation in 117 years, most in 2009 with 22.
Salem: nights with a minimum temperature at or below 0 C (32 F) in 112 years, most in 1960 with 131.
Salem: nights with a minimum temperature at or below -10 C (14 F) in 112 years, most in 1963 with 43.
20 fixed thresholds have at least one qualifying day at Salem.

Days at or above 30 C (86 F)

110 years with a qualifying day

Days per year at Salem with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 109 in 1936.

Days at or above 30 C (86 F) per year at Salem
Year	Days	Decade average
1904	55	73.8
1905	64	73.8
1906	66	73.8
1907	78	73.8
1908	90	73.8
1909	90	73.8
1910	81	83.5
1911	107	83.5
1912	84	83.5
1913	100	83.5
1914	97	83.5
1915	58	83.5
1916	91	83.5
1917	57	83.5
1918	74	83.5
1919	86	83.5
1920	47	64.5
1921	76	64.5
1922	79	64.5
1923	66	64.5
1924	54	64.5
1925	98	64.5
1926	75	64.5
1927	52	64.5
1928	38	64.5
1929	60	64.5
1930	67	82
1932	85	82
1933	83	82
1934	84	82
1935	65	82
1936	109	82
1937	86	82
1938	82	82
1939	77	82
1940	50	75
1941	86	75
1942	81	75
1943	81	75
1944	98	75
1945	69	75
1946	71	75
1947	76	75
1948	76	75
1949	62	75
1950	47	75.8
1951	53	75.8
1952	95	75.8
1953	109	75.8
1954	98	75.8
1955	82	75.8
1956	84	75.8
1957	52	75.8
1958	58	75.8
1959	80	75.8
1960	66	63.3
1961	58	63.3
1962	77	63.3
1963	72	63.3
1964	78	63.3
1965	62	63.3
1966	50	63.3
1967	39	63.3
1968	61	63.3
1969	70	63.3
1970	53	59.4
1971	65	59.4
1972	55	59.4
1973	46	59.4
1974	60	59.4
1975	78	59.4
1976	60	59.4
1979	58	59.4
1981	63	81.7
1982	54	81.7
1986	90	81.7
1987	103	81.7
1988	98	81.7
1989	82	81.7
1991	94	65.3
1992	46	65.3
1995	64	65.3
1996	52	65.3
1997	53	65.3
1998	81	65.3
1999	67	65.3
2000	88	69.2
2001	72	69.2
2002	85	69.2
2004	39	69.2
2005	94	69.2
2006	73	69.2
2007	78	69.2
2008	43	69.2
2009	51	69.2
2010	95	76.6
2011	101	76.6
2012	103	76.6
2013	40	76.6
2014	58	76.6
2015	58	76.6
2016	85	76.6
2017	77	76.6
2019	72	76.6
2020	50	62.3
2022	82	62.3
2023	84	62.3
2024	59	62.3
2025	51	62.3
2026	48	62.3

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

First to last qualifying date each year at Salem
Year	First date	Last date
1904	1904-05-22	1904-09-29
1905	1905-04-09	1905-09-27
1906	1906-05-04	1906-09-21
1907	1907-03-19	1907-10-02
1908	1908-04-20	1908-10-18
1909	1909-04-04	1909-10-04
1910	1910-03-22	1910-10-16
1911	1911-03-09	1911-10-06
1912	1912-04-05	1912-10-09
1913	1913-04-17	1913-09-11
1914	1914-04-16	1914-10-06
1915	1915-04-23	1915-11-06
1916	1916-05-05	1916-10-08
1917	1917-05-17	1917-10-15
1918	1918-05-09	1918-10-06
1919	1919-05-04	1919-10-03
1920	1920-05-22	1920-09-26
1921	1921-05-20	1921-10-26
1922	1922-04-06	1922-10-05
1923	1923-05-31	1923-09-29
1924	1924-04-15	1924-09-20
1925	1925-04-21	1925-09-30
1926	1926-05-25	1926-10-01
1927	1927-04-28	1927-10-27
1928	1928-05-10	1928-10-13
1929	1929-03-23	1929-09-29
1930	1930-04-10	1930-09-22
1932	1932-04-21	1932-09-18
1933	1933-05-09	1933-09-30
1934	1934-05-07	1934-09-20
1935	1935-05-12	1935-09-24
1936	1936-04-14	1936-09-22
1937	1937-04-17	1937-10-05
1938	1938-05-18	1938-10-17
1939	1939-05-23	1939-10-23
1940	1940-04-01	1940-09-22
1941	1941-05-20	1941-10-06
1942	1942-04-29	1942-09-18
1943	1943-05-02	1943-09-15
1944	1944-05-12	1944-10-06
1945	1945-05-14	1945-09-23
1946	1946-04-01	1946-10-09
1947	1947-05-14	1947-10-14
1948	1948-05-01	1948-09-21
1949	1949-05-04	1949-09-05
1950	1950-05-24	1950-11-01
1951	1951-04-29	1951-10-05
1952	1952-04-30	1952-10-14
1953	1953-04-23	1953-10-19
1954	1954-04-06	1954-10-06
1955	1955-04-17	1955-09-30
1956	1956-04-26	1956-10-05
1957	1957-05-13	1957-09-21
1958	1958-05-13	1958-09-26
1959	1959-05-01	1959-09-24
1960	1960-04-23	1960-09-23
1961	1961-04-21	1961-09-24
1962	1962-04-30	1962-10-11
1963	1963-04-21	1963-10-19
1964	1964-05-16	1964-10-17
1965	1965-04-21	1965-09-19
1966	1966-05-08	1966-09-04
1967	1967-03-14	1967-08-30
1968	1968-05-03	1968-08-25
1969	1969-05-29	1969-10-05
1970	1970-04-29	1970-09-22
1971	1971-06-06	1971-10-01
1972	1972-04-13	1972-08-30
1973	1973-06-10	1973-09-10
1974	1974-05-20	1974-08-27
1975	1975-05-19	1975-10-13
1976	1976-06-11	1976-10-03
1979	1979-05-08	1979-10-09
1981	1981-04-28	1981-10-06
1982	1982-05-05	1982-09-02
1986	1986-04-26	1986-09-29
1987	1987-04-20	1987-09-27
1988	1988-04-05	1988-09-23
1989	1989-04-22	1989-10-15
1991	1991-05-14	1991-09-16
1992	1992-06-16	1992-09-15
1995	1995-05-14	1995-09-03
1996	1996-05-18	1996-09-12
1997	1997-05-19	1997-09-20
1998	1998-05-14	1998-09-30
1999	1999-06-05	1999-09-29
2000	2000-05-09	2000-10-04
2001	2001-04-09	2001-09-08
2002	2002-04-18	2002-10-03
2004	2004-04-17	2004-09-05
2005	2005-05-11	2005-10-20
2006	2006-04-14	2006-10-05
2007	2007-04-30	2007-09-24
2008	2008-04-24	2008-09-13
2009	2009-04-24	2009-09-09
2010	2010-05-23	2010-09-22
2011	2011-04-04	2011-10-17
2012	2012-04-01	2012-09-26
2013	2013-05-14	2013-09-20
2014	2014-04-11	2014-09-30
2015	2015-06-07	2015-09-19
2016	2016-05-08	2016-09-26
2017	2017-03-21	2017-10-15
2019	2019-04-11	2019-10-03
2020	2020-04-09	2020-09-08
2022	2022-04-24	2022-09-25
2023	2023-04-05	2023-10-04
2024	2024-04-15	2024-09-02
2025	2025-06-21	2025-09-19
2026	2026-03-21	2026-09-14

Every Fixed Threshold

Fixed thresholds at Salem
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	110	109	1936	48
35 C (95 F): Days	104	53	1913	13
40 C (104 F): Days	21	20	1934	3
90 F (32.2 C): Days	110	85	1953	29
100 F (37.8 C): Days	50	29	1934	2
110 F (43.3 C): Days	3	4	1934	1
0 C (32 F): Ice days (max	110	36	1963	12
0 C (32 F): Frost days (min	112	131	1960	54
-10 C (14 F): Days with min	112	43	1963	17
-20 C (-4 F): Days with min	56	8	1982	1
-30 C (-22 F): Days with min	3	1	1912	1
20 C (68 F): Tropical nights (min	112	62	2010	43
25 C (77 F): Days with min	24	8	1934	1
10 mm (0.39 in): Days with 10 mm or more rain	117	56	1927	23
25 mm (0.98 in): Days with 25 mm or more rain	117	22	2009	9
50 mm (1.97 in): Days with 50 mm or more rain	107	8	2024	2
100 mm (3.94 in): Days with 100 mm or more rain	14	1	1904	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	2024	1
10 cm (3.9 in): Days with 10 cm or more snowfall	37	5	1960	1
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1920	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.

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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Salem Threshold Days by Year (USC00237506)

Key Facts for Salem Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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