Attenkam Threshold Days by Year (GME00123730)

13 fixed thresholds counted per year at Attenkam (GME00123730): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Attenkam Thresholds

Attenkam: days with a maximum temperature at or below 0 C (32 F) in 84 years, most in 1963 with 61.
Attenkam: nights with a minimum temperature at or below 0 C (32 F) in 84 years, most in 1962 with 151.
Attenkam: days with 10 mm (0.39 in) or more of precipitation in 84 years, most in 1999 with 59.
Attenkam: days with 25 mm (0.98 in) or more of precipitation in 84 years, most in 2002 with 17.
13 fixed thresholds have at least one qualifying day at Attenkam.

Days at or above 30 C (86 F)

73 years with a qualifying day

Days per year at Attenkam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 29 in 1947.

Days at or above 30 C (86 F) per year at Attenkam
Year	Days	Decade average
1941	3	10.1
1942	1	10.1
1943	18	10.1
1944	6	10.1
1946	14	10.1
1947	29	10.1
1948	4	10.1
1949	6	10.1
1950	10	5.4
1951	4	5.4
1952	13	5.4
1953	3	5.4
1954	3	5.4
1955	1	5.4
1957	7	5.4
1958	6	5.4
1959	2	5.4
1960	2	3.6
1961	2	3.6
1962	4	3.6
1963	3	3.6
1964	7	3.6
1965	4	3.6
1966	2	3.6
1967	5	3.6
1969	3	3.6
1970	1	1.8
1972	3	1.8
1974	1	1.8
1975	1	1.8
1976	4	1.8
1977	1	1.8
1980	3	2.6
1983	5	2.6
1984	3	2.6
1985	2	2.6
1987	1	2.6
1988	3	2.6
1989	1	2.6
1991	3	4.6
1992	9	4.6
1993	2	4.6
1994	10	4.6
1995	3	4.6
1996	1	4.6
1998	7	4.6
1999	2	4.6
2000	1	4.1
2001	2	4.1
2002	3	4.1
2003	15	4.1
2005	3	4.1
2006	5	4.1
2007	3	4.1
2008	3	4.1
2009	2	4.1
2010	8	7.8
2011	4	7.8
2012	5	7.8
2013	12	7.8
2014	5	7.8
2015	18	7.8
2016	3	7.8
2017	6	7.8
2018	7	7.8
2019	10	7.8
2020	4	9.3
2021	2	9.3
2022	8	9.3
2023	12	9.3
2024	4	9.3
2025	10	9.3
2026	25	9.3

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

First to last qualifying date each year at Attenkam
Year	First date	Last date
1941	1941-07-12	1941-07-26
1942	1942-08-29	1942-08-29
1943	1943-07-17	1943-09-13
1944	1944-07-08	1944-08-26
1946	1946-06-30	1946-08-12
1947	1947-06-02	1947-09-20
1948	1948-06-15	1948-09-11
1949	1949-07-13	1949-08-09
1950	1950-05-21	1950-08-24
1951	1951-06-15	1951-08-30
1952	1952-07-01	1952-08-30
1953	1953-07-17	1953-07-26
1954	1954-08-03	1954-08-13
1955	1955-07-18	1955-07-18
1957	1957-06-30	1957-07-08
1958	1958-07-13	1958-08-29
1959	1959-07-09	1959-07-10
1960	1960-08-25	1960-08-26
1961	1961-06-26	1961-08-06
1962	1962-07-25	1962-08-14
1963	1963-07-25	1963-08-03
1964	1964-06-13	1964-08-07
1965	1965-06-25	1965-08-07
1966	1966-08-12	1966-08-13
1967	1967-06-24	1967-08-16
1969	1969-07-24	1969-07-29
1970	1970-08-06	1970-08-06
1972	1972-07-09	1972-08-14
1974	1974-08-16	1974-08-16
1975	1975-09-17	1975-09-17
1976	1976-07-05	1976-07-18
1977	1977-06-13	1977-06-13
1980	1980-06-14	1980-08-03
1983	1983-07-26	1983-08-01
1984	1984-07-10	1984-07-31
1985	1985-07-26	1985-08-14
1987	1987-06-30	1987-06-30
1988	1988-07-05	1988-07-26
1989	1989-08-16	1989-08-16
1991	1991-07-11	1991-08-07
1992	1992-07-21	1992-08-29
1993	1993-07-30	1993-08-22
1994	1994-06-02	1994-08-06
1995	1995-07-11	1995-07-22
1996	1996-06-07	1996-06-07
1998	1998-06-05	1998-08-12
1999	1999-07-04	1999-07-05
2000	2000-08-20	2000-08-20
2001	2001-08-02	2001-08-15
2002	2002-06-18	2002-06-23
2003	2003-06-12	2003-08-13
2005	2005-06-24	2005-07-29
2006	2006-07-19	2006-07-27
2007	2007-07-15	2007-07-20
2008	2008-05-27	2008-08-07
2009	2009-07-23	2009-08-20
2010	2010-06-10	2010-07-21
2011	2011-08-21	2011-08-26
2012	2012-06-16	2012-08-21
2013	2013-06-17	2013-08-06
2014	2014-05-22	2014-07-19
2015	2015-07-02	2015-08-30
2016	2016-06-23	2016-07-10
2017	2017-06-20	2017-08-30
2018	2018-07-30	2018-08-09
2019	2019-06-25	2019-08-18
2020	2020-07-28	2020-08-21
2021	2021-06-18	2021-07-06
2022	2022-05-20	2022-08-04
2023	2023-06-20	2023-08-24
2024	2024-06-29	2024-08-24
2025	2025-06-14	2025-08-15
2026	2026-06-18	2026-08-28

Every Fixed Threshold

Fixed thresholds at Attenkam
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	73	29	1947	25
35 C (95 F): Days	5	2	1943	1
90 F (32.2 C): Days	32	20	1947	10
0 C (32 F): Ice days (max	84	61	1963	8
0 C (32 F): Frost days (min	84	151	1962	57
-10 C (14 F): Days with min	82	45	1963	4
-20 C (-4 F): Days with min	12	11	1956	1
-30 C (-22 F): Days with min	1	1	1942	1
20 C (68 F): Tropical nights (min	4	1	1975	1
10 mm (0.39 in): Days with 10 mm or more rain	84	59	1999	20
25 mm (0.98 in): Days with 25 mm or more rain	84	17	2002	1
50 mm (1.97 in): Days with 50 mm or more rain	47	3	1951	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1979	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

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Data for Attenkam 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).

Attenkam Threshold Days by Year (GME00123730)

Key Facts for Attenkam Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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