Hilgenroth Threshold Days by Year

12 fixed thresholds counted per year at Hilgenroth (GME00123778): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hilgenroth Thresholds

Hilgenroth: days with 10 mm (0.39 in) or more of precipitation in 88 years, most in 1981 with 49.
Hilgenroth: nights with a minimum temperature at or below 0 C (32 F) in 87 years, most in 1952 with 116.
Hilgenroth: days with a maximum temperature at or below 0 C (32 F) in 86 years, most in 1940 with 55.
Hilgenroth: days with 25 mm (0.98 in) or more of precipitation in 83 years, most in 2023 with 11.
12 fixed thresholds have at least one qualifying day at Hilgenroth.

Days at or above 30 C (86 F)

77 years with a qualifying day

Days per year at Hilgenroth with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 22 in 1994.

Days at or above 30 C (86 F) per year at Hilgenroth
Year	Days	Decade average
1937	7	5.3
1938	6	5.3
1939	3	5.3
1941	10	7.8
1942	3	7.8
1943	9	7.8
1944	9	7.8
1948	11	7.8
1949	5	7.8
1950	4	4.6
1951	1	4.6
1952	10	4.6
1953	5	4.6
1954	2	4.6
1955	1	4.6
1957	10	4.6
1959	4	4.6
1961	4	4.3
1962	1	4.3
1963	5	4.3
1964	12	4.3
1966	3	4.3
1968	2	4.3
1969	3	4.3
1971	6	6.6
1972	5	6.6
1973	9	6.6
1974	3	6.6
1975	9	6.6
1976	18	6.6
1977	1	6.6
1978	2	6.6
1981	1	4.1
1982	7	4.1
1983	11	4.1
1984	5	4.1
1985	2	4.1
1986	4	4.1
1987	2	4.1
1988	1	4.1
1989	4	4.1
1990	6	9.2
1991	8	9.2
1992	6	9.2
1994	22	9.2
1995	18	9.2
1996	3	9.2
1997	6	9.2
1998	8	9.2
1999	6	9.2
2000	4	5.7
2001	7	5.7
2002	3	5.7
2003	12	5.7
2004	3	5.7
2005	6	5.7
2006	14	5.7
2007	3	5.7
2008	3	5.7
2009	2	5.7
2010	11	8.7
2011	4	8.7
2012	3	8.7
2013	10	8.7
2014	4	8.7
2015	14	8.7
2016	11	8.7
2017	6	8.7
2018	15	8.7
2019	9	8.7
2020	11	13
2021	4	13
2022	21	13
2023	6	13
2024	11	13
2025	10	13
2026	28	13

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

First to last qualifying date each year at Hilgenroth
Year	First date	Last date
1937	1937-06-06	1937-08-08
1938	1938-07-31	1938-08-06
1939	1939-06-05	1939-07-30
1941	1941-06-22	1941-07-12
1942	1942-08-27	1942-08-29
1943	1943-07-27	1943-08-21
1944	1944-05-29	1944-08-24
1948	1948-06-09	1948-08-01
1949	1949-07-12	1949-09-05
1950	1950-06-05	1950-08-23
1951	1951-08-01	1951-08-01
1952	1952-06-30	1952-08-12
1953	1953-05-25	1953-09-02
1954	1954-06-20	1954-08-03
1955	1955-07-18	1955-07-18
1957	1957-06-17	1957-07-07
1959	1959-07-08	1959-07-11
1961	1961-07-01	1961-09-02
1962	1962-07-10	1962-07-10
1963	1963-07-22	1963-08-06
1964	1964-06-12	1964-08-28
1966	1966-06-11	1966-08-13
1968	1968-07-01	1968-07-02
1969	1969-07-23	1969-07-29
1971	1971-07-09	1971-08-19
1972	1972-07-17	1972-07-21
1973	1973-06-27	1973-09-06
1974	1974-08-14	1974-08-16
1975	1975-07-08	1975-08-10
1976	1976-05-09	1976-07-16
1977	1977-06-13	1977-06-13
1978	1978-07-29	1978-07-30
1981	1981-08-06	1981-08-06
1982	1982-06-02	1982-07-14
1983	1983-07-10	1983-08-25
1984	1984-07-09	1984-07-31
1985	1985-07-14	1985-08-14
1986	1986-06-16	1986-08-03
1987	1987-06-29	1987-06-30
1988	1988-08-08	1988-08-08
1989	1989-07-05	1989-08-20
1990	1990-07-28	1990-08-12
1991	1991-07-05	1991-09-04
1992	1992-07-20	1992-08-09
1994	1994-06-25	1994-08-05
1995	1995-06-29	1995-08-22
1996	1996-06-06	1996-06-08
1997	1997-08-10	1997-08-25
1998	1998-05-12	1998-08-12
1999	1999-07-03	1999-09-13
2000	2000-06-19	2000-08-14
2001	2001-07-06	2001-08-26
2002	2002-06-17	2002-07-29
2003	2003-06-23	2003-08-12
2004	2004-08-05	2004-08-09
2005	2005-05-27	2005-07-28
2006	2006-06-13	2006-07-27
2007	2007-07-14	2007-07-16
2008	2008-07-02	2008-07-31
2009	2009-08-19	2009-08-20
2010	2010-07-02	2010-07-21
2011	2011-05-30	2011-08-23
2012	2012-07-27	2012-08-19
2013	2013-06-18	2013-09-06
2014	2014-06-09	2014-07-19
2015	2015-06-05	2015-08-31
2016	2016-06-23	2016-09-14
2017	2017-05-29	2017-07-19
2018	2018-06-29	2018-09-18
2019	2019-07-20	2019-08-31
2020	2020-07-31	2020-09-15
2021	2021-06-16	2021-06-19
2022	2022-06-18	2022-08-25
2023	2023-06-18	2023-09-11
2024	2024-06-26	2024-09-05
2025	2025-06-13	2025-08-14
2026	2026-05-26	2026-08-15

Every Fixed Threshold

Fixed thresholds at Hilgenroth
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	77	22	1994	28
35 C (95 F): Days	15	3	2018	6
90 F (32.2 C): Days	49	12	1976	15
100 F (37.8 C): Days	2	2	2019	1
0 C (32 F): Ice days (max	86	55	1940	6
0 C (32 F): Frost days (min	87	116	1952	38
-10 C (14 F): Days with min	70	39	1940	1
-20 C (-4 F): Days with min	6	4	1940	1
20 C (68 F): Tropical nights (min	13	2	1952	4
10 mm (0.39 in): Days with 10 mm or more rain	88	49	1981	21
25 mm (0.98 in): Days with 25 mm or more rain	83	11	2023	1
50 mm (1.97 in): Days with 50 mm or more rain	10	2	1984	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.

Download the Data

Data for Hilgenroth 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-14. Last revised 14 October 2026 (2026-10-14).

Hilgenroth Threshold Days by Year

Key Facts for Hilgenroth Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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