Tonala (Dge) Threshold Days by Year

12 fixed thresholds counted per year at Tonala (Dge) (MXN00007168): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tonala (Dge) Thresholds

Tonala (Dge): days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1999 with 60.
Tonala (Dge): days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 2005 with 33.
Tonala (Dge): days with 50 mm (1.97 in) or more of precipitation in 44 years, most in 1970 with 13.
Tonala (Dge): days with a maximum temperature at or above 30 C (86 F) in 42 years, most in 1992 with 365.
12 fixed thresholds have at least one qualifying day at Tonala (Dge).

Days at or above 30 C (86 F)

42 years with a qualifying day

Days per year at Tonala (Dge) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 365 in 1992.

Days at or above 30 C (86 F) per year at Tonala (Dge)
Year	Days	Decade average
1961	363	359.6
1962	360	359.6
1963	355	359.6
1964	364	359.6
1965	362	359.6
1966	360	359.6
1967	357	359.6
1968	358	359.6
1969	357	359.6
1970	322	354
1971	358	354
1972	362	354
1973	350	354
1974	355	354
1975	361	354
1976	356	354
1977	360	354
1978	359	354
1979	357	354
1980	362	356.7
1981	356	356.7
1982	364	356.7
1983	360	356.7
1984	357	356.7
1985	354	356.7
1986	355	356.7
1987	362	356.7
1988	349	356.7
1989	348	356.7
1990	358	344.1
1991	363	344.1
1992	365	344.1
1993	321	344.1
1994	330	344.1
1996	359	344.1
1997	348	344.1
1998	345	344.1
1999	308	344.1
2001	361	337.3
2002	325	337.3
2004	334	337.3
2005	329	337.3

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

First to last qualifying date each year at Tonala (Dge)
Year	First date	Last date
1961	1961-01-01	1961-12-31
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-30
1964	1964-01-01	1964-12-31
1965	1965-01-01	1965-12-31
1966	1966-01-01	1966-12-31
1967	1967-01-01	1967-12-31
1968	1968-01-01	1968-12-31
1969	1969-01-01	1969-12-31
1970	1970-01-01	1970-12-31
1971	1971-01-01	1971-12-31
1972	1972-01-01	1972-12-31
1973	1973-01-01	1973-12-31
1974	1974-01-01	1974-12-31
1975	1975-01-01	1975-12-31
1976	1976-01-01	1976-12-31
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-31
1980	1980-01-01	1980-12-31
1981	1981-01-01	1981-12-31
1982	1982-01-01	1982-12-31
1983	1983-01-01	1983-12-31
1984	1984-01-01	1984-12-31
1985	1985-01-01	1985-12-31
1986	1986-01-01	1986-12-31
1987	1987-01-01	1987-12-31
1988	1988-01-01	1988-12-31
1989	1989-01-01	1989-12-31
1990	1990-01-01	1990-12-31
1991	1991-01-01	1991-12-31
1992	1992-01-01	1992-12-31
1993	1993-01-01	1993-12-31
1994	1994-01-01	1994-12-31
1996	1996-01-01	1996-12-31
1997	1997-01-01	1997-12-31
1998	1998-01-01	1998-12-31
1999	1999-01-01	1999-11-30
2001	2001-01-01	2001-12-31
2002	2002-01-01	2002-12-31
2004	2004-01-01	2004-11-30
2005	2005-01-01	2005-12-03

Every Fixed Threshold

Fixed thresholds at Tonala (Dge)
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	42	365	1992	329
35 C (95 F): Days	42	298	1961	215
40 C (104 F): Days	33	25	1962	12
90 F (32.2 C): Days	42	348	1961	296
100 F (37.8 C): Days	42	116	1962	68
20 C (68 F): Tropical nights (min	42	358	2001	329
25 C (77 F): Days with min	42	310	1999	59
10 mm (0.39 in): Days with 10 mm or more rain	44	60	1999	49
25 mm (0.98 in): Days with 25 mm or more rain	44	33	2005	22
50 mm (1.97 in): Days with 50 mm or more rain	44	13	1970	5
100 mm (3.94 in): Days with 100 mm or more rain	23	6	2005	2
200 mm (7.87 in): Days with 200 mm or more rain	6	2	1963	2

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 Tonala (Dge) 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Tonala (Dge) Threshold Days by Year

Key Facts for Tonala (Dge) Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related