Vallbo Threshold Days by Year (SWE00139972)

3 fixed thresholds counted per year at Vallbo (SWE00139972): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Vallbo Thresholds

Vallbo: days with 10 mm (0.39 in) or more of precipitation in 82 years, most in 1987 with 25.
Vallbo: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 2001 with 5.
Vallbo: days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 1951 with 1.
3 fixed thresholds have at least one qualifying day at Vallbo.

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

82 years with a qualifying day

Days per year at Vallbo with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1987.

Days with 10 mm (0.39 in) or more of precipitation per year at Vallbo
Year	Days	Decade average
1945	14	11
1946	13	11
1947	10	11
1948	8	11
1949	10	11
1950	12	11.4
1951	6	11.4
1952	9	11.4
1953	13	11.4
1954	10	11.4
1955	11	11.4
1956	10	11.4
1957	14	11.4
1958	16	11.4
1959	13	11.4
1960	17	12.3
1961	12	12.3
1962	15	12.3
1963	13	12.3
1964	14	12.3
1965	11	12.3
1966	12	12.3
1967	10	12.3
1968	7	12.3
1969	12	12.3
1970	10	11.9
1971	14	11.9
1972	7	11.9
1973	18	11.9
1974	10	11.9
1975	15	11.9
1976	13	11.9
1977	9	11.9
1978	10	11.9
1979	13	11.9
1980	13	14.4
1981	18	14.4
1982	7	14.4
1983	21	14.4
1984	8	14.4
1985	10	14.4
1986	19	14.4
1987	25	14.4
1988	12	14.4
1989	11	14.4
1990	8	13.1
1991	9	13.1
1992	17	13.1
1993	16	13.1
1994	12	13.1
1995	9	13.1
1996	11	13.1
1997	12	13.1
1998	24	13.1
1999	13	13.1
2000	22	14
2001	18	14
2002	12	14
2003	11	14
2004	11	14
2005	18	14
2006	15	14
2007	9	14
2008	9	14
2009	15	14
2010	10	12.2
2011	19	12.2
2012	11	12.2
2013	14	12.2
2014	6	12.2
2015	20	12.2
2016	11	12.2
2017	10	12.2
2018	10	12.2
2019	11	12.2
2020	13	16.9
2021	19	16.9
2022	13	16.9
2023	20	16.9
2024	17	16.9
2025	23	16.9
2026	13	16.9

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

First to last qualifying date each year at Vallbo
Year	First date	Last date
1945	1945-01-01	1945-12-17
1946	1946-01-10	1946-10-12
1947	1947-06-05	1947-12-24
1948	1948-03-09	1948-11-07
1949	1949-01-24	1949-12-26
1950	1950-01-15	1950-11-23
1951	1951-04-20	1951-11-30
1952	1952-04-17	1952-12-09
1953	1953-01-18	1953-12-28
1954	1954-01-20	1954-09-21
1955	1955-01-11	1955-12-06
1956	1956-04-02	1956-11-05
1957	1957-03-13	1957-11-26
1958	1958-02-27	1958-12-04
1959	1959-01-10	1959-12-28
1960	1960-02-09	1960-11-05
1961	1961-03-04	1961-11-17
1962	1962-02-19	1962-12-12
1963	1963-01-08	1963-11-20
1964	1964-01-21	1964-11-06
1965	1965-02-09	1965-12-26
1966	1966-01-30	1966-09-29
1967	1967-01-01	1967-12-02
1968	1968-01-22	1968-12-28
1969	1969-06-24	1969-11-20
1970	1970-05-25	1970-10-20
1971	1971-02-04	1971-12-09
1972	1972-03-22	1972-07-04
1973	1973-02-02	1973-12-13
1974	1974-05-21	1974-10-04
1975	1975-01-05	1975-12-27
1976	1976-01-12	1976-11-21
1977	1977-04-17	1977-10-05
1978	1978-01-13	1978-10-07
1979	1979-02-08	1979-08-11
1980	1980-04-11	1980-10-18
1981	1981-04-12	1981-11-28
1982	1982-01-10	1982-12-16
1983	1983-01-20	1983-12-28
1984	1984-06-21	1984-10-03
1985	1985-01-12	1985-09-07
1986	1986-02-28	1986-12-05
1987	1987-01-24	1987-12-20
1988	1988-02-28	1988-12-17
1989	1989-01-29	1989-12-03
1990	1990-05-24	1990-11-02
1991	1991-04-15	1991-12-29
1992	1992-01-10	1992-11-02
1993	1993-02-03	1993-12-05
1994	1994-01-29	1994-12-31
1995	1995-01-01	1995-10-07
1996	1996-02-28	1996-10-04
1997	1997-02-11	1997-11-10
1998	1998-02-08	1998-11-21
1999	1999-04-18	1999-12-17
2000	2000-01-16	2000-11-18
2001	2001-02-17	2001-11-14
2002	2002-03-19	2002-10-23
2003	2003-01-25	2003-12-17
2004	2004-06-28	2004-12-12
2005	2005-01-08	2005-12-10
2006	2006-01-30	2006-10-27
2007	2007-01-13	2007-11-16
2008	2008-06-08	2008-11-29
2009	2009-01-02	2009-11-22
2010	2010-05-10	2010-09-24
2011	2011-01-29	2011-12-09
2012	2012-03-12	2012-11-24
2013	2013-01-01	2013-11-30
2014	2014-05-25	2014-08-23
2015	2015-02-06	2015-12-20
2016	2016-04-28	2016-12-07
2017	2017-06-04	2017-12-26
2018	2018-04-05	2018-12-08
2019	2019-03-17	2019-10-25
2020	2020-01-21	2020-11-18
2021	2021-01-11	2021-11-23
2022	2022-01-12	2022-09-23
2023	2023-02-09	2023-12-19
2024	2024-01-13	2024-12-16
2025	2025-03-02	2025-12-27
2026	2026-01-01	2026-08-31

Every Fixed Threshold

Fixed thresholds at Vallbo
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	82	25	1987	13
25 mm (0.98 in): Days with 25 mm or more rain	52	5	2001	1
50 mm (1.97 in): Days with 50 mm or more rain	5	1	1951	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 Vallbo 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).

Vallbo Threshold Days by Year (SWE00139972)

Key Facts for Vallbo Thresholds

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

Every Fixed Threshold

Download the Data

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