Tonichi Threshold Days by Year (MXN00026101)

17 fixed thresholds counted per year at Tonichi (MXN00026101): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tonichi Thresholds

Tonichi: nights with a minimum temperature at or above 20 C (68 F) in 47 years, most in 1954 with 166.
Tonichi: nights with a minimum temperature at or above 25 C (77 F) in 47 years, most in 1980 with 96.
Tonichi: days with a maximum temperature at or above 30 C (86 F) in 45 years, most in 1980 with 334.
Tonichi: days with a maximum temperature at or above 35 C (95 F) in 45 years, most in 1987 with 264.
17 fixed thresholds have at least one qualifying day at Tonichi.

Days at or above 30 C (86 F)

45 years with a qualifying day

Days per year at Tonichi with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 334 in 1980.

Days at or above 30 C (86 F) per year at Tonichi
Year	Days	Decade average
1946	286	271
1947	273	271
1948	259	271
1949	266	271
1950	306	299.9
1953	299	299.9
1954	318	299.9
1955	299	299.9
1956	302	299.9
1957	290	299.9
1958	276	299.9
1959	309	299.9
1960	301	289.6
1961	285	289.6
1962	297	289.6
1963	307	289.6
1964	296	289.6
1965	300	289.6
1966	283	289.6
1967	301	289.6
1968	242	289.6
1969	284	289.6
1970	302	285.7
1971	284	285.7
1973	280	285.7
1974	290	285.7
1975	265	285.7
1976	290	285.7
1977	296	285.7
1978	286	285.7
1979	278	285.7
1980	334	316.4
1981	308	316.4
1982	297	316.4
1983	292	316.4
1984	329	316.4
1985	309	316.4
1986	334	316.4
1987	317	316.4
1988	328	316.4
1993	288	279.8
1994	273	279.8
1995	253	279.8
1996	304	279.8
1997	281	279.8

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

First to last qualifying date each year at Tonichi
Year	First date	Last date
1946	1946-01-01	1946-12-29
1947	1947-01-21	1947-12-22
1948	1948-01-05	1948-12-31
1949	1949-02-17	1949-12-31
1950	1950-01-18	1950-12-30
1953	1953-01-04	1953-12-20
1954	1954-01-02	1954-12-25
1955	1955-01-25	1955-12-31
1956	1956-01-01	1956-12-30
1957	1957-01-02	1957-12-31
1958	1958-01-01	1958-12-27
1959	1959-01-07	1959-12-20
1960	1960-01-08	1960-12-26
1961	1961-01-03	1961-12-30
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-30
1964	1964-01-01	1964-12-27
1965	1965-01-03	1965-12-29
1966	1966-02-03	1966-12-23
1967	1967-01-14	1967-12-07
1968	1968-01-24	1968-12-25
1969	1969-01-03	1969-12-25
1970	1970-01-17	1970-12-31
1971	1971-01-01	1971-12-26
1973	1973-01-12	1973-12-29
1974	1974-01-13	1974-11-26
1975	1975-01-05	1975-12-20
1976	1976-01-09	1976-12-16
1977	1977-01-17	1977-12-28
1978	1978-01-02	1978-12-15
1979	1979-01-04	1979-12-30
1980	1980-01-01	1980-12-31
1981	1981-01-01	1981-12-29
1982	1982-01-01	1982-12-06
1983	1983-01-07	1983-12-30
1984	1984-01-16	1984-12-27
1985	1985-01-03	1985-12-22
1986	1986-01-02	1986-12-27
1987	1987-01-13	1987-12-19
1988	1988-01-04	1988-12-19
1993	1993-01-01	1993-12-25
1994	1994-01-01	1994-12-01
1995	1995-01-11	1995-12-31
1996	1996-01-01	1996-12-29
1997	1997-01-01	1997-11-29

Every Fixed Threshold

Fixed thresholds at Tonichi
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	45	334	1980	281
35 C (95 F): Days	45	264	1987	195
40 C (104 F): Days	45	148	1986	101
45 C (113 F): Days	44	50	1979	10
50 C (122 F): Days	1	1	1980	1
90 F (32.2 C): Days	45	306	1986	232
100 F (37.8 C): Days	45	202	1986	151
110 F (43.3 C): Days	44	65	1979	23
120 F (48.9 C): Days	4	5	1980	5
0 C (32 F): Frost days (min	9	7	1971	1
20 C (68 F): Tropical nights (min	47	166	1954	138
25 C (77 F): Days with min	47	96	1980	63
10 mm (0.39 in): Days with 10 mm or more rain	45	28	1958	11
25 mm (0.98 in): Days with 25 mm or more rain	45	14	1983	5
50 mm (1.97 in): Days with 50 mm or more rain	38	5	1988	2
100 mm (3.94 in): Days with 100 mm or more rain	4	2	1950	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1986	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1946.

Download the Data

Data for Tonichi 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).

Tonichi Threshold Days by Year (MXN00026101)

Key Facts for Tonichi Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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