Greer Threshold Days by Year (USW00003870)

18 fixed thresholds counted per year at Greer (USW00003870): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Greer Thresholds

Greer: days with a maximum temperature at or above 30 C (86 F) in 64 years, most in 2010 with 118.
Greer: days with a maximum temperature at or above 90 F (32.2 C) in 64 years, most in 2011 with 88.
Greer: nights with a minimum temperature at or below 0 C (32 F) in 64 years, most in 1968 with 91.
Greer: nights with a minimum temperature at or above 20 C (68 F) in 64 years, most in 2018 with 106.
18 fixed thresholds have at least one qualifying day at Greer.

Days at or above 30 C (86 F)

64 years with a qualifying day

Days per year at Greer with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 118 in 2010.

Days at or above 30 C (86 F) per year at Greer
Year	Days	Decade average
1963	84	73.1
1964	85	73.1
1965	89	73.1
1966	58	73.1
1967	59	73.1
1968	67	73.1
1969	70	73.1
1970	105	71.5
1971	71	71.5
1972	69	71.5
1973	70	71.5
1974	67	71.5
1975	77	71.5
1976	52	71.5
1977	94	71.5
1978	68	71.5
1979	42	71.5
1980	85	77.9
1981	77	77.9
1982	40	77.9
1983	69	77.9
1984	65	77.9
1985	66	77.9
1986	105	77.9
1987	103	77.9
1988	91	77.9
1989	78	77.9
1990	93	80.5
1991	86	80.5
1992	58	80.5
1993	96	80.5
1994	63	80.5
1995	86	80.5
1996	64	80.5
1997	69	80.5
1998	105	80.5
1999	85	80.5
2000	95	82
2001	67	82
2002	96	82
2003	49	82
2004	55	82
2005	84	82
2006	88	82
2007	108	82
2008	92	82
2009	86	82
2010	118	98.2
2011	112	98.2
2012	81	98.2
2013	59	98.2
2014	89	98.2
2015	101	98.2
2016	116	98.2
2017	83	98.2
2018	110	98.2
2019	113	98.2
2020	87	89.1
2021	84	89.1
2022	96	89.1
2023	77	89.1
2024	96	89.1
2025	81	89.1
2026	103	89.1

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

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

Every Fixed Threshold

Fixed thresholds at Greer
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	64	118	2010	103
35 C (95 F): Days	56	34	1993	15
40 C (104 F): Days	3	3	2007	2
90 F (32.2 C): Days	64	88	2011	60
100 F (37.8 C): Days	20	10	2007	2
0 C (32 F): Ice days (max	44	7	1970	1
0 C (32 F): Frost days (min	64	91	1968	36
-10 C (14 F): Days with min	47	10	1970	1
-20 C (-4 F): Days with min	2	1	1966	1
20 C (68 F): Tropical nights (min	64	106	2018	80
25 C (77 F): Days with min	8	4	2007	1
10 mm (0.39 in): Days with 10 mm or more rain	64	57	1971	28
25 mm (0.98 in): Days with 25 mm or more rain	64	25	1964	8
50 mm (1.97 in): Days with 50 mm or more rain	62	10	1964	1
100 mm (3.94 in): Days with 100 mm or more rain	14	2	1995	2
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	16	2	1971	1
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1971	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

Data for Greer 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).

Greer Threshold Days by Year (USW00003870)

Key Facts for Greer Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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