Williamston 1 E Threshold Days by Year (USC00319440)

16 fixed thresholds counted per year at Williamston 1 E (USC00319440): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Williamston 1 E Thresholds

Williamston 1 E: days with 10 mm (0.39 in) or more of precipitation in 92 years, most in 1989 with 57.
Williamston 1 E: days with 25 mm (0.98 in) or more of precipitation in 92 years, most in 2003 with 22.
Williamston 1 E: days with 50 mm (1.97 in) or more of precipitation in 89 years, most in 1955 with 11.
Williamston 1 E: days with a maximum temperature at or above 30 C (86 F) in 70 years, most in 2010 with 114.
16 fixed thresholds have at least one qualifying day at Williamston 1 E.

Days at or above 30 C (86 F)

70 years with a qualifying day

Days per year at Williamston 1 E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 114 in 2010.

Days at or above 30 C (86 F) per year at Williamston 1 E
Year	Days	Decade average
1953	102	99.9
1954	112	99.9
1955	84	99.9
1956	92	99.9
1957	110	99.9
1958	90	99.9
1959	109	99.9
1960	99	86.9
1961	90	86.9
1962	92	86.9
1963	80	86.9
1964	93	86.9
1965	96	86.9
1966	72	86.9
1967	72	86.9
1968	90	86.9
1969	85	86.9
1970	107	91.9
1971	82	91.9
1972	82	91.9
1973	105	91.9
1974	78	91.9
1975	95	91.9
1976	88	91.9
1977	107	91.9
1978	96	91.9
1979	79	91.9
1980	108	82.8
1981	87	82.8
1986	85	82.8
1987	79	82.8
1988	72	82.8
1989	66	82.8
1990	87	74.5
1991	83	74.5
1992	59	74.5
1993	76	74.5
1994	74	74.5
1995	75	74.5
1996	71	74.5
1997	66	74.5
1998	88	74.5
1999	66	74.5
2000	72	81.7
2001	77	81.7
2002	95	81.7
2003	73	81.7
2004	80	81.7
2005	86	81.7
2006	67	81.7
2007	104	81.7
2008	91	81.7
2009	72	81.7
2010	114	89.1
2011	97	89.1
2012	75	89.1
2013	73	89.1
2014	65	89.1
2015	89	89.1
2016	94	89.1
2017	89	89.1
2018	95	89.1
2019	100	89.1
2020	78	87
2021	88	87
2022	96	87
2023	84	87
2024	79	87
2025	77	87
2026	107	87

For each year, a bar from the first to the last day at Williamston 1 E meeting 30 C (86 F).

First to last qualifying date each year at Williamston 1 E
Year	First date	Last date
1953	1953-04-01	1953-10-01
1954	1954-04-08	1954-10-13
1955	1955-04-19	1955-09-30
1956	1956-04-03	1956-09-17
1957	1957-04-20	1957-09-23
1958	1958-04-19	1958-10-10
1959	1959-04-09	1959-10-10
1960	1960-04-24	1960-10-14
1961	1961-04-23	1961-10-31
1962	1962-02-24	1962-10-12
1963	1963-04-02	1963-09-21
1964	1964-04-18	1964-09-29
1965	1965-04-12	1965-09-24
1966	1966-05-21	1966-10-01
1967	1967-04-02	1967-10-05
1968	1968-03-21	1968-10-03
1969	1969-04-27	1969-09-17
1970	1970-04-21	1970-10-14
1971	1971-04-13	1971-09-21
1972	1972-04-15	1972-09-30
1973	1973-03-15	1973-10-16
1974	1974-03-07	1974-11-03
1975	1975-04-25	1975-10-14
1976	1976-03-04	1976-10-08
1977	1977-04-11	1977-10-03
1978	1978-04-10	1978-09-22
1979	1979-04-01	1979-10-21
1980	1980-04-23	1980-09-26
1981	1981-04-12	1981-10-06
1986	1986-04-01	1986-10-06
1987	1987-05-03	1987-09-19
1988	1988-04-07	1988-09-24
1989	1989-05-22	1989-09-23
1990	1990-03-13	1990-10-14
1991	1991-05-14	1991-09-20
1992	1992-05-19	1992-09-28
1993	1993-05-17	1993-09-27
1994	1994-04-27	1994-09-18
1995	1995-04-20	1995-10-03
1996	1996-04-23	1996-09-11
1997	1997-05-19	1997-10-08
1998	1998-05-17	1998-10-02
1999	1999-04-09	1999-09-09
2000	2000-05-07	2000-10-07
2001	2001-04-08	2001-10-25
2002	2002-04-17	2002-10-06
2003	2003-05-09	2003-09-22
2004	2004-04-20	2004-09-19
2005	2005-04-21	2005-10-21
2006	2006-04-16	2006-09-25
2007	2007-04-26	2007-10-25
2008	2008-04-19	2008-10-17
2009	2009-04-26	2009-10-12
2010	2010-04-06	2010-10-28
2011	2011-04-25	2011-10-18
2012	2012-05-02	2012-09-09
2013	2013-04-11	2013-10-07
2014	2014-04-03	2014-10-12
2015	2015-05-13	2015-09-21
2016	2016-03-17	2016-10-20
2017	2017-04-22	2017-10-11
2018	2018-05-12	2018-10-08
2019	2019-04-25	2019-10-04
2020	2020-03-29	2020-09-13
2021	2021-04-29	2021-10-17
2022	2022-04-26	2022-09-23
2023	2023-04-06	2023-09-13
2024	2024-04-16	2024-09-30
2025	2025-04-04	2025-09-27
2026	2026-03-12	2026-10-15

Every Fixed Threshold

Fixed thresholds at Williamston 1 E
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	70	114	2010	107
35 C (95 F): Days	67	29	1980	18
90 F (32.2 C): Days	70	77	1953	62
100 F (37.8 C): Days	17	6	1968	1
0 C (32 F): Ice days (max	47	8	1989	3
0 C (32 F): Frost days (min	69	87	1968	47
-10 C (14 F): Days with min	34	7	2018	2
20 C (68 F): Tropical nights (min	69	123	2018	80
25 C (77 F): Days with min	36	9	2010	3
10 mm (0.39 in): Days with 10 mm or more rain	92	57	1989	27
25 mm (0.98 in): Days with 25 mm or more rain	92	22	2003	8
50 mm (1.97 in): Days with 50 mm or more rain	89	11	1955	2
100 mm (3.94 in): Days with 100 mm or more rain	27	3	1999	1
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1999	1
10 cm (3.9 in): Days with 10 cm or more snowfall	21	3	1980	1
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1980	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

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Data for Williamston 1 E 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).

Williamston 1 E Threshold Days by Year (USC00319440)

Key Facts for Williamston 1 E Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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