Norrby_S Threshold Days by Year (SWE00139234)

4 fixed thresholds counted per year at Norrby_S (SWE00139234): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Norrby_S Thresholds

Norrby_S: days with 10 mm (0.39 in) or more of precipitation in 80 years, most in 1960 with 31.
Norrby_S: days with 25 mm (0.98 in) or more of precipitation in 61 years, most in 2012 with 5.
Norrby_S: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1979 with 1.
Norrby_S: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1992 with 1.
4 fixed thresholds have at least one qualifying day at Norrby_S.

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

80 years with a qualifying day

Days per year at Norrby_S with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1960.

Days with 10 mm (0.39 in) or more of precipitation per year at Norrby_S
Year	Days	Decade average
1945	17	13
1946	9	13
1947	10	13
1949	16	13
1950	14	14.6
1951	9	14.6
1952	15	14.6
1953	17	14.6
1954	14	14.6
1955	12	14.6
1956	15	14.6
1957	20	14.6
1958	16	14.6
1959	14	14.6
1960	31	15.2
1961	13	15.2
1962	10	15.2
1963	10	15.2
1964	8	15.2
1965	17	15.2
1966	19	15.2
1967	17	15.2
1968	19	15.2
1969	8	15.2
1970	16	14.4
1971	8	14.4
1972	13	14.4
1973	17	14.4
1974	20	14.4
1975	11	14.4
1976	18	14.4
1977	12	14.4
1978	13	14.4
1979	16	14.4
1980	20	18
1981	21	18
1982	11	18
1983	15	18
1984	22	18
1985	17	18
1986	17	18
1987	16	18
1988	23	18
1989	18	18
1990	26	15.3
1991	12	15.3
1992	13	15.3
1993	16	15.3
1994	17	15.3
1995	12	15.3
1996	11	15.3
1997	13	15.3
1998	20	15.3
1999	13	15.3
2000	14	14.7
2001	13	14.7
2002	15	14.7
2003	18	14.7
2004	13	14.7
2005	15	14.7
2006	12	14.7
2007	12	14.7
2008	22	14.7
2009	13	14.7
2010	15	15.2
2011	17	15.2
2012	22	15.2
2013	17	15.2
2014	10	15.2
2015	16	15.2
2016	10	15.2
2017	16	15.2
2018	7	15.2
2019	22	15.2
2020	12	14.7
2021	14	14.7
2022	16	14.7
2023	24	14.7
2024	16	14.7
2025	6	14.7

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

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

Every Fixed Threshold

Fixed thresholds at Norrby_S
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	80	31	1960	6
25 mm (0.98 in): Days with 25 mm or more rain	61	5	2012	1
50 mm (1.97 in): Days with 50 mm or more rain	7	1	1979	1
100 mm (3.94 in): Days with 100 mm or more rain	1	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.

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Data for Norrby_S 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).

Norrby_S Threshold Days by Year (SWE00139234)

Key Facts for Norrby_S Thresholds

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

Every Fixed Threshold

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