Longton Threshold Days by Year (USC00144812)

7 fixed thresholds counted per year at Longton (USC00144812): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Longton Thresholds

Longton: days with 10 mm (0.39 in) or more of precipitation in 74 years, most in 1999 with 44.
Longton: days with 25 mm (0.98 in) or more of precipitation in 74 years, most in 1985 with 24.
Longton: days with 50 mm (1.97 in) or more of precipitation in 72 years, most in 2016 with 8.
Longton: days with 100 mm (3.94 in) or more of precipitation in 30 years, most in 1986 with 3.
7 fixed thresholds have at least one qualifying day at Longton.

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

74 years with a qualifying day

Days per year at Longton with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1999.

Days with 10 mm (0.39 in) or more of precipitation per year at Longton
Year	Days	Decade average
1952	19	24.4
1953	24	24.4
1954	23	24.4
1955	22	24.4
1956	18	24.4
1957	35	24.4
1958	30	24.4
1959	24	24.4
1960	23	25.8
1961	38	25.8
1963	17	25.8
1964	27	25.8
1965	25	25.8
1966	17	25.8
1967	27	25.8
1968	30	25.8
1969	28	25.8
1970	22	28.2
1971	25	28.2
1972	25	28.2
1973	36	28.2
1974	37	28.2
1975	30	28.2
1976	26	28.2
1977	34	28.2
1978	18	28.2
1979	29	28.2
1980	17	29.9
1981	24	29.9
1982	29	29.9
1983	29	29.9
1984	35	29.9
1985	40	29.9
1986	36	29.9
1987	35	29.9
1988	25	29.9
1989	29	29.9
1990	29	33.9
1991	26	33.9
1992	43	33.9
1993	38	33.9
1994	29	33.9
1995	37	33.9
1996	25	33.9
1997	33	33.9
1998	35	33.9
1999	44	33.9
2000	29	32.4
2001	26	32.4
2002	26	32.4
2003	35	32.4
2004	39	32.4
2005	26	32.4
2006	23	32.4
2007	41	32.4
2008	44	32.4
2009	35	32.4
2010	25	30.7
2011	25	30.7
2012	20	30.7
2013	39	30.7
2014	27	30.7
2015	37	30.7
2016	32	30.7
2017	28	30.7
2018	30	30.7
2019	44	30.7
2020	33	28.6
2021	33	28.6
2022	23	28.6
2023	25	28.6
2024	33	28.6
2025	32	28.6
2026	21	28.6

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

First to last qualifying date each year at Longton
Year	First date	Last date
1952	1952-01-02	1952-11-26
1953	1953-02-11	1953-12-22
1954	1954-02-16	1954-12-28
1955	1955-01-18	1955-10-05
1956	1956-02-05	1956-12-23
1957	1957-02-15	1957-12-25
1958	1958-01-20	1958-11-18
1959	1959-03-05	1959-10-31
1960	1960-01-12	1960-12-11
1961	1961-02-18	1961-12-09
1963	1963-01-05	1963-11-22
1964	1964-01-31	1964-12-10
1965	1965-01-02	1965-12-24
1966	1966-02-09	1966-12-28
1967	1967-01-26	1967-12-03
1968	1968-03-08	1968-12-27
1969	1969-01-29	1969-12-11
1970	1970-01-18	1970-12-31
1971	1971-01-03	1971-12-30
1972	1972-02-12	1972-12-30
1973	1973-01-03	1973-12-04
1974	1974-01-10	1974-12-31
1975	1975-01-31	1975-12-15
1976	1976-03-04	1976-10-30
1977	1977-02-12	1977-11-09
1978	1978-02-13	1978-11-26
1979	1979-01-19	1979-12-28
1980	1980-01-20	1980-12-08
1981	1981-03-04	1981-11-30
1982	1982-01-04	1982-12-28
1983	1983-02-01	1983-12-03
1984	1984-02-09	1984-12-30
1985	1985-01-01	1985-12-11
1986	1986-02-03	1986-12-02
1987	1987-01-09	1987-12-27
1988	1988-01-19	1988-12-27
1989	1989-01-25	1989-12-08
1990	1990-01-20	1990-11-04
1991	1991-03-17	1991-12-20
1992	1992-02-12	1992-12-15
1993	1993-01-02	1993-12-04
1994	1994-02-20	1994-12-07
1995	1995-02-27	1995-12-19
1996	1996-03-15	1996-11-30
1997	1997-02-21	1997-12-24
1998	1998-01-04	1998-12-19
1999	1999-01-30	1999-12-09
2000	2000-02-18	2000-12-13
2001	2001-01-28	2001-11-02
2002	2002-01-30	2002-12-04
2003	2003-01-02	2003-12-13
2004	2004-01-17	2004-12-06
2005	2005-01-05	2005-10-31
2006	2006-01-10	2006-12-30
2007	2007-01-13	2007-12-12
2008	2008-01-08	2008-12-27
2009	2009-02-10	2009-12-25
2010	2010-02-21	2010-11-13
2011	2011-02-02	2011-12-20
2012	2012-02-04	2012-11-11
2013	2013-01-30	2013-11-21
2014	2014-03-16	2014-12-15
2015	2015-02-01	2015-12-27
2016	2016-02-02	2016-10-12
2017	2017-01-15	2017-10-22
2018	2018-02-21	2018-12-31
2019	2019-01-12	2019-12-29
2020	2020-01-10	2020-12-30
2021	2021-01-01	2021-12-28
2022	2022-02-17	2022-12-13
2023	2023-01-25	2023-12-25
2024	2024-01-09	2024-11-19
2025	2025-01-05	2025-10-29
2026	2026-01-09	2026-09-20

Every Fixed Threshold

Fixed thresholds at Longton
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	74	44	1999	21
25 mm (0.98 in): Days with 25 mm or more rain	74	24	1985	10
50 mm (1.97 in): Days with 50 mm or more rain	72	8	2016	3
100 mm (3.94 in): Days with 100 mm or more rain	30	3	1986	1
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1976	1
10 cm (3.9 in): Days with 10 cm or more snowfall	23	5	1987	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	2006	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

Data for Longton 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).

Longton Threshold Days by Year (USC00144812)

Key Facts for Longton Thresholds

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

Every Fixed Threshold

Download the Data

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