Mayen Threshold Days by Year (GME00125830)

10 fixed thresholds counted per year at Mayen (GME00125830): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mayen Thresholds

Mayen: days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 1965 with 21.
Mayen: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1972 with 4.
Mayen: days with a maximum temperature at or below 0 C (32 F) in 40 years, most in 1985 with 36.
Mayen: nights with a minimum temperature at or below 0 C (32 F) in 40 years, most in 1972 with 109.
10 fixed thresholds have at least one qualifying day at Mayen.

Days at or above 30 C (86 F)

38 years with a qualifying day

Days per year at Mayen with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 19 in 1976.

Days at or above 30 C (86 F) per year at Mayen
Year	Days	Decade average
1961	4	5.3
1962	2	5.3
1964	13	5.3
1966	5	5.3
1967	5	5.3
1968	3	5.3
1969	5	5.3
1970	1	7
1971	6	7
1972	5	7
1973	12	7
1974	3	7
1975	12	7
1976	19	7
1977	2	7
1978	3	7
1980	2	4.6
1981	4	4.6
1982	8	4.6
1983	11	4.6
1984	5	4.6
1985	3	4.6
1986	3	4.6
1987	2	4.6
1988	3	4.6
1989	5	4.6
1991	7	7.9
1992	6	7.9
1993	1	7.9
1994	16	7.9
1995	14	7.9
1996	4	7.9
1997	5	7.9
1998	8	7.9
1999	10	7.9
2000	3	6.3
2001	11	6.3
2002	5	6.3

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

First to last qualifying date each year at Mayen
Year	First date	Last date
1961	1961-07-02	1961-09-02
1962	1962-07-10	1962-09-03
1964	1964-06-12	1964-08-28
1966	1966-06-10	1966-08-13
1967	1967-06-25	1967-07-19
1968	1968-07-01	1968-07-10
1969	1969-05-13	1969-07-28
1970	1970-06-27	1970-06-27
1971	1971-07-09	1971-08-19
1972	1972-07-17	1972-07-21
1973	1973-06-27	1973-09-09
1974	1974-08-14	1974-08-16
1975	1975-07-08	1975-08-10
1976	1976-06-14	1976-07-16
1977	1977-06-13	1977-07-12
1978	1978-07-28	1978-07-30
1980	1980-08-02	1980-08-03
1981	1981-06-15	1981-08-06
1982	1982-06-02	1982-07-14
1983	1983-07-10	1983-08-31
1984	1984-07-09	1984-07-31
1985	1985-05-26	1985-08-14
1986	1986-06-16	1986-08-03
1987	1987-06-30	1987-08-22
1988	1988-07-23	1988-08-14
1989	1989-07-06	1989-08-20
1991	1991-07-05	1991-08-22
1992	1992-07-20	1992-08-09
1993	1993-07-01	1993-07-01
1994	1994-06-29	1994-08-05
1995	1995-07-09	1995-08-22
1996	1996-06-06	1996-08-20
1997	1997-08-11	1997-08-25
1998	1998-06-21	1998-08-15
1999	1999-05-30	1999-09-14
2000	2000-06-19	2000-08-14
2001	2001-06-26	2001-08-26
2002	2002-06-17	2002-08-19

Every Fixed Threshold

Fixed thresholds at Mayen
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	38	19	1976	5
35 C (95 F): Days	3	1	1964	1
90 F (32.2 C): Days	24	15	1976	1
0 C (32 F): Ice days (max	40	36	1985	11
0 C (32 F): Frost days (min	40	109	1972	61
-10 C (14 F): Days with min	35	22	1985	7
-20 C (-4 F): Days with min	1	1	1997	1
10 mm (0.39 in): Days with 10 mm or more rain	69	21	1965	20
25 mm (0.98 in): Days with 25 mm or more rain	51	4	1972	4
50 mm (1.97 in): Days with 50 mm or more rain	4	2	1982	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

Data for Mayen 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).

Mayen Threshold Days by Year (GME00125830)

Key Facts for Mayen Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related