Trier-Petrisberg Threshold Days by Year (GME00111474)

12 fixed thresholds counted per year at Trier-Petrisberg (GME00111474): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Trier-Petrisberg Thresholds

Trier-Petrisberg: days with a maximum temperature at or below 0 C (32 F) in 79 years, most in 1963 with 58.
Trier-Petrisberg: nights with a minimum temperature at or below 0 C (32 F) in 79 years, most in 1955 with 111.
Trier-Petrisberg: days with 10 mm (0.39 in) or more of precipitation in 79 years, most in 1952 with 33.
Trier-Petrisberg: days with a maximum temperature at or above 30 C (86 F) in 78 years, most in 2022 with 39.
12 fixed thresholds have at least one qualifying day at Trier-Petrisberg.

Days at or above 30 C (86 F)

78 years with a qualifying day

Days per year at Trier-Petrisberg with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 39 in 2022.

Days at or above 30 C (86 F) per year at Trier-Petrisberg
Year	Days	Decade average
1943	13	12
1948	12	12
1949	11	12
1950	9	7.2
1951	1	7.2
1952	13	7.2
1953	10	7.2
1954	6	7.2
1955	5	7.2
1956	2	7.2
1957	10	7.2
1959	9	7.2
1960	1	5.2
1961	8	5.2
1962	4	5.2
1963	2	5.2
1964	14	5.2
1965	1	5.2
1966	5	5.2
1967	6	5.2
1968	3	5.2
1969	8	5.2
1971	9	8.9
1972	3	8.9
1973	19	8.9
1974	3	8.9
1975	15	8.9
1976	26	8.9
1977	2	8.9
1978	2	8.9
1979	1	8.9
1980	2	6.8
1981	3	6.8
1982	10	6.8
1983	19	6.8
1984	8	6.8
1985	4	6.8
1986	7	6.8
1987	3	6.8
1988	4	6.8
1989	8	6.8
1990	13	13.2
1991	18	13.2
1992	8	13.2
1993	3	13.2
1994	25	13.2
1995	20	13.2
1996	7	13.2
1997	9	13.2
1998	14	13.2
1999	15	13.2
2000	6	11.3
2001	13	11.3
2002	8	11.3
2003	20	11.3
2004	7	11.3
2005	20	11.3
2006	21	11.3
2007	4	11.3
2008	6	11.3
2009	8	11.3
2010	15	16.5
2011	13	16.5
2012	11	16.5
2013	14	16.5
2014	7	16.5
2015	25	16.5
2016	12	16.5
2017	20	16.5
2018	26	16.5
2019	22	16.5
2020	25	22.4
2021	4	22.4
2022	39	22.4
2023	16	22.4
2024	12	22.4
2025	16	22.4
2026	45	22.4

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

First to last qualifying date each year at Trier-Petrisberg
Year	First date	Last date
1943	1943-07-27	1943-09-13
1948	1948-06-09	1948-08-01
1949	1949-07-12	1949-09-06
1950	1950-06-05	1950-08-23
1951	1951-07-31	1951-07-31
1952	1952-06-29	1952-08-13
1953	1953-05-19	1953-09-02
1954	1954-05-27	1954-09-01
1955	1955-07-17	1955-08-23
1956	1956-05-28	1956-07-09
1957	1957-06-15	1957-07-07
1959	1959-07-05	1959-07-25
1960	1960-06-23	1960-06-23
1961	1961-07-01	1961-09-18
1962	1962-07-10	1962-09-03
1963	1963-07-22	1963-08-02
1964	1964-06-12	1964-08-28
1965	1965-06-30	1965-06-30
1966	1966-06-10	1966-08-13
1967	1967-06-25	1967-07-19
1968	1968-07-01	1968-07-10
1969	1969-05-14	1969-08-10
1971	1971-07-08	1971-08-19
1972	1972-06-27	1972-07-18
1973	1973-06-27	1973-09-09
1974	1974-08-14	1974-08-16
1975	1975-07-07	1975-08-21
1976	1976-05-08	1976-08-26
1977	1977-06-13	1977-07-12
1978	1978-07-29	1978-07-30
1979	1979-07-28	1979-07-28
1980	1980-07-26	1980-08-02
1981	1981-07-08	1981-08-06
1982	1982-06-02	1982-09-05
1983	1983-06-08	1983-08-31
1984	1984-07-08	1984-08-23
1985	1985-07-14	1985-08-14
1986	1986-06-22	1986-08-03
1987	1987-06-29	1987-08-22
1988	1988-07-23	1988-08-14
1989	1989-06-20	1989-08-20
1990	1990-06-26	1990-08-12
1991	1991-07-02	1991-09-04
1992	1992-05-14	1992-08-09
1993	1993-06-09	1993-07-04
1994	1994-06-24	1994-08-22
1995	1995-06-30	1995-08-22
1996	1996-06-06	1996-08-20
1997	1997-06-07	1997-08-25
1998	1998-05-11	1998-08-17
1999	1999-05-29	1999-09-13
2000	2000-06-03	2000-06-21
2001	2001-06-26	2001-08-26
2002	2002-06-17	2002-08-19
2003	2003-06-10	2003-08-17
2004	2004-06-08	2004-08-09
2005	2005-05-27	2005-09-08
2006	2006-06-13	2006-07-30
2007	2007-07-14	2007-08-06
2008	2008-06-22	2008-08-06
2009	2009-05-25	2009-08-27
2010	2010-06-28	2010-08-21
2011	2011-05-30	2011-09-10
2012	2012-07-25	2012-09-10
2013	2013-06-17	2013-09-06
2014	2014-06-07	2014-07-19
2015	2015-06-05	2015-08-31
2016	2016-06-23	2016-09-14
2017	2017-05-17	2017-08-29
2018	2018-06-30	2018-08-23
2019	2019-06-02	2019-08-31
2020	2020-06-24	2020-09-16
2021	2021-06-16	2021-06-19
2022	2022-05-18	2022-09-06
2023	2023-06-10	2023-09-11
2024	2024-06-26	2024-09-01
2025	2025-06-13	2025-08-19
2026	2026-05-24	2026-08-27

Every Fixed Threshold

Fixed thresholds at Trier-Petrisberg
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	78	39	2022	45
35 C (95 F): Days	31	10	2003	13
40 C (104 F): Days	2	1	2019	2
90 F (32.2 C): Days	59	16	1976	28
100 F (37.8 C): Days	8	3	2003	5
0 C (32 F): Ice days (max	79	58	1963	5
0 C (32 F): Frost days (min	79	111	1955	32
-10 C (14 F): Days with min	52	26	1963	1
20 C (68 F): Tropical nights (min	18	4	2006	8
10 mm (0.39 in): Days with 10 mm or more rain	79	33	1952	8
25 mm (0.98 in): Days with 25 mm or more rain	71	6	1967	1
50 mm (1.97 in): Days with 50 mm or more rain	7	2	2021	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.

Download the Data

Data for Trier-Petrisberg 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Trier-Petrisberg Threshold Days by Year (GME00111474)

Key Facts for Trier-Petrisberg Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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