Tandsbyn Threshold Days by Year (SWE00139930)

3 fixed thresholds counted per year at Tandsbyn (SWE00139930): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tandsbyn Thresholds

Tandsbyn: days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 1987 with 27.
Tandsbyn: days with 25 mm (0.98 in) or more of precipitation in 48 years, most in 2001 with 6.
Tandsbyn: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1992 with 1.
3 fixed thresholds have at least one qualifying day at Tandsbyn.

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

69 years with a qualifying day

Days per year at Tandsbyn with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 1987.

Days with 10 mm (0.39 in) or more of precipitation per year at Tandsbyn
Year	Days	Decade average
1945	7	8
1946	10	8
1947	7	8
1948	10	8
1949	6	8
1950	12	14
1951	15	14
1952	15	14
1953	12	14
1954	15	14
1955	15	14
1956	17	14
1957	15	14
1958	12	14
1959	12	14
1960	25	14.7
1961	15	14.7
1962	14	14.7
1963	10	14.7
1964	15	14.7
1965	9	14.7
1966	19	14.7
1967	18	14.7
1969	7	14.7
1970	17	11.3
1971	9	11.3
1972	14	11.3
1973	13	11.3
1974	11	11.3
1975	10	11.3
1976	9	11.3
1977	9	11.3
1978	10	11.3
1979	11	11.3
1980	17	16
1981	18	16
1982	12	16
1983	17	16
1984	16	16
1985	18	16
1986	17	16
1987	27	16
1988	8	16
1989	10	16
1990	9	15.2
1991	14	15.2
1992	18	15.2
1993	21	15.2
1994	11	15.2
1995	14	15.2
1996	17	15.2
1997	15	15.2
1998	19	15.2
1999	14	15.2
2000	20	16.8
2001	26	16.8
2002	10	16.8
2007	15	16.8
2008	12	16.8
2009	18	16.8
2010	21	15.9
2011	17	15.9
2012	14	15.9
2013	21	15.9
2014	13	15.9
2015	17	15.9
2016	12	15.9
2017	13	15.9
2018	15	15.9

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

First to last qualifying date each year at Tandsbyn
Year	First date	Last date
1945	1945-03-01	1945-08-18
1946	1946-04-29	1946-09-18
1947	1947-07-06	1947-12-01
1948	1948-01-18	1948-11-09
1949	1949-06-13	1949-12-26
1950	1950-01-09	1950-11-21
1951	1951-06-21	1951-12-25
1952	1952-06-02	1952-12-12
1953	1953-01-15	1953-12-03
1954	1954-02-22	1954-12-12
1955	1955-02-05	1955-11-26
1956	1956-05-19	1956-11-04
1957	1957-02-08	1957-12-28
1958	1958-05-15	1958-10-14
1959	1959-01-02	1959-11-24
1960	1960-01-18	1960-12-19
1961	1961-02-06	1961-12-06
1962	1962-03-31	1962-12-18
1963	1963-03-24	1963-11-13
1964	1964-06-19	1964-10-12
1965	1965-06-21	1965-12-26
1966	1966-01-29	1966-12-23
1967	1967-02-07	1967-12-24
1969	1969-07-01	1969-11-12
1970	1970-04-07	1970-11-08
1971	1971-02-07	1971-11-29
1972	1972-04-03	1972-11-22
1973	1973-02-13	1973-12-17
1974	1974-02-11	1974-12-17
1975	1975-01-05	1975-12-21
1976	1976-06-10	1976-11-12
1977	1977-01-01	1977-11-03
1978	1978-03-05	1978-09-24
1979	1979-04-25	1979-11-16
1980	1980-03-30	1980-12-21
1981	1981-03-07	1981-11-28
1982	1982-02-06	1982-11-13
1983	1983-01-10	1983-10-19
1984	1984-03-29	1984-11-04
1985	1985-01-22	1985-12-03
1986	1986-04-01	1986-12-05
1987	1987-02-13	1987-12-29
1988	1988-06-01	1988-09-24
1989	1989-02-26	1989-12-10
1990	1990-05-24	1990-12-30
1991	1991-01-25	1991-09-22
1992	1992-02-13	1992-12-03
1993	1993-02-18	1993-12-19
1994	1994-01-07	1994-12-31
1995	1995-01-01	1995-11-25
1996	1996-04-23	1996-11-21
1997	1997-02-11	1997-11-30
1998	1998-06-15	1998-11-21
1999	1999-01-24	1999-12-17
2000	2000-01-29	2000-12-13
2001	2001-03-15	2001-12-17
2002	2002-03-19	2002-09-05
2007	2007-01-04	2007-12-29
2008	2008-05-21	2008-12-02
2009	2009-01-02	2009-12-14
2010	2010-04-30	2010-12-31
2011	2011-01-22	2011-12-18
2012	2012-01-03	2012-10-20
2013	2013-03-02	2013-12-16
2014	2014-02-20	2014-12-22
2015	2015-01-10	2015-12-20
2016	2016-01-10	2016-11-25
2017	2017-01-03	2017-12-28
2018	2018-01-04	2018-12-09

Every Fixed Threshold

Fixed thresholds at Tandsbyn
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	69	27	1987	15
25 mm (0.98 in): Days with 25 mm or more rain	48	6	2001	1
50 mm (1.97 in): Days with 50 mm or more rain	6	1	1992	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

Data for Tandsbyn 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Tandsbyn Threshold Days by Year (SWE00139930)

Key Facts for Tandsbyn Thresholds

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

Every Fixed Threshold

Download the Data

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