Salem Threshold Days by Year (USC00117636)

18 fixed thresholds counted per year at Salem (USC00117636): 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 106 years, most in 2009 with 50.
Salem: days with 25 mm (0.98 in) or more of precipitation in 106 years, most in 1945 with 19.
Salem: days with 50 mm (1.97 in) or more of precipitation in 92 years, most in 1950 with 7.
Salem: days with a maximum temperature at or above 30 C (86 F) in 68 years, most in 1987 with 103.
18 fixed thresholds have at least one qualifying day at Salem.

Days at or above 30 C (86 F)

68 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 103 in 1987.

Days at or above 30 C (86 F) per year at Salem
Year	Days	Decade average
1959	101	101
1960	73	75.8
1961	77	75.8
1962	87	75.8
1963	94	75.8
1964	88	75.8
1965	73	75.8
1966	68	75.8
1967	50	75.8
1968	77	75.8
1969	71	75.8
1970	91	70.9
1971	66	70.9
1972	65	70.9
1973	66	70.9
1974	51	70.9
1975	74	70.9
1976	65	70.9
1977	88	70.9
1978	83	70.9
1979	60	70.9
1980	97	79.3
1981	64	79.3
1982	52	79.3
1983	93	79.3
1984	78	79.3
1985	69	79.3
1986	85	79.3
1987	103	79.3
1988	86	79.3
1989	66	79.3
1990	74	71.8
1991	97	71.8
1992	57	71.8
1993	75	71.8
1994	78	71.8
1995	73	71.8
1996	69	71.8
1997	58	71.8
1998	71	71.8
1999	66	71.8
2000	43	59
2001	61	59
2002	92	59
2003	45	59
2004	33	59
2005	85	59
2006	68	59
2007	89	59
2008	44	59
2009	30	59
2010	83	63.4
2011	68	63.4
2012	83	63.4
2013	48	63.4
2014	39	63.4
2015	45	63.4
2016	68	63.4
2017	43	63.4
2018	88	63.4
2019	69	63.4
2020	61	72.4
2021	68	72.4
2022	65	72.4
2023	67	72.4
2024	74	72.4
2025	82	72.4
2026	90	72.4

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
1959	1959-05-02	1959-10-04
1960	1960-04-23	1960-09-26
1961	1961-05-31	1961-10-12
1962	1962-05-10	1962-10-13
1963	1963-04-21	1963-10-22
1964	1964-05-17	1964-09-20
1965	1965-04-21	1965-09-20
1966	1966-05-08	1966-09-03
1967	1967-05-24	1967-10-04
1968	1968-05-01	1968-09-30
1969	1969-05-05	1969-10-04
1970	1970-04-28	1970-09-25
1971	1971-04-12	1971-10-02
1972	1972-05-19	1972-09-20
1973	1973-06-09	1973-09-26
1974	1974-05-20	1974-08-27
1975	1975-05-19	1975-10-13
1976	1976-04-23	1976-10-03
1977	1977-04-15	1977-09-18
1978	1978-05-24	1978-09-21
1979	1979-05-08	1979-10-21
1980	1980-04-22	1980-10-08
1981	1981-04-17	1981-10-05
1982	1982-05-05	1982-10-06
1983	1983-06-10	1983-10-03
1984	1984-05-19	1984-09-13
1985	1985-05-12	1985-10-12
1986	1986-04-25	1986-09-29
1987	1987-04-20	1987-09-28
1988	1988-04-05	1988-09-22
1989	1989-04-24	1989-10-14
1990	1990-04-24	1990-10-05
1991	1991-05-14	1991-09-16
1992	1992-05-16	1992-10-14
1993	1993-05-08	1993-09-12
1994	1994-05-22	1994-10-01
1995	1995-06-07	1995-09-14
1996	1996-05-09	1996-09-11
1997	1997-05-18	1997-10-07
1998	1998-05-15	1998-09-30
1999	1999-06-05	1999-09-29
2000	2000-05-25	2000-10-04
2001	2001-05-01	2001-09-14
2002	2002-04-16	2002-10-04
2003	2003-06-19	2003-09-12
2004	2004-05-09	2004-09-06
2005	2005-05-11	2005-10-06
2006	2006-05-25	2006-10-05
2007	2007-05-01	2007-10-09
2008	2008-06-01	2008-09-24
2009	2009-06-02	2009-08-29
2010	2010-05-25	2010-10-12
2011	2011-05-12	2011-09-14
2012	2012-04-03	2012-09-08
2013	2013-05-15	2013-09-20
2014	2014-05-07	2014-09-06
2015	2015-06-08	2015-09-19
2016	2016-05-31	2016-10-07
2017	2017-06-04	2017-10-15
2018	2018-05-11	2018-10-09
2019	2019-05-17	2019-10-03
2020	2020-04-09	2020-10-08
2021	2021-05-21	2021-10-11
2022	2022-05-11	2022-09-22
2023	2023-05-25	2023-10-04
2024	2024-04-16	2024-10-06
2025	2025-05-16	2025-10-05
2026	2026-03-22	2026-10-14

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	68	103	1987	90
35 C (95 F): Days	64	41	1983	23
40 C (104 F): Days	5	2	2012	2
90 F (32.2 C): Days	68	70	1980	57
100 F (37.8 C): Days	16	13	2012	4
0 C (32 F): Ice days (max	68	49	1978	18
0 C (32 F): Frost days (min	68	130	2013	56
-10 C (14 F): Days with min	68	42	1963	17
-20 C (-4 F): Days with min	42	11	1977	2
-30 C (-22 F): Days with min	2	1	1982	1
20 C (68 F): Tropical nights (min	68	78	2016	68
25 C (77 F): Days with min	35	7	2012	3
10 mm (0.39 in): Days with 10 mm or more rain	106	50	2009	23
25 mm (0.98 in): Days with 25 mm or more rain	106	19	1945	11
50 mm (1.97 in): Days with 50 mm or more rain	92	7	1950	4
100 mm (3.94 in): Days with 100 mm or more rain	15	2	1967	1
10 cm (3.9 in): Days with 10 cm or more snowfall	53	3	1920	1
25 cm (9.8 in): Days with 25 cm or more snowfall	6	1	1950	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

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 (USC00117636)

Key Facts for Salem Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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