Aratichanguio Threshold Days by Year (MXN00012007)

13 fixed thresholds counted per year at Aratichanguio (MXN00012007): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Aratichanguio Thresholds

Aratichanguio: days with a maximum temperature at or above 30 C (86 F) in 53 years, most in 1972 with 366.
Aratichanguio: days with a maximum temperature at or above 35 C (95 F) in 53 years, most in 1994 with 359.
Aratichanguio: days with a maximum temperature at or above 40 C (104 F) in 53 years, most in 2011 with 235.
Aratichanguio: days with a maximum temperature at or above 90 F (32.2 C) in 53 years, most in 1994 with 365.
13 fixed thresholds have at least one qualifying day at Aratichanguio.

Days at or above 30 C (86 F)

53 years with a qualifying day

Days per year at Aratichanguio with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 366 in 1972.

Days at or above 30 C (86 F) per year at Aratichanguio
Year	Days	Decade average
1957	365	362.7
1958	363	362.7
1959	360	362.7
1962	332	357.4
1963	363	357.4
1964	363	357.4
1965	362	357.4
1966	365	357.4
1967	358	357.4
1968	356	357.4
1969	360	357.4
1970	365	363.3
1971	365	363.3
1972	366	363.3
1973	365	363.3
1974	361	363.3
1975	359	363.3
1976	360	363.3
1977	364	363.3
1978	363	363.3
1979	365	363.3
1980	355	358.7
1981	359	358.7
1982	362	358.7
1983	356	358.7
1984	354	358.7
1985	364	358.7
1986	360	358.7
1987	360	358.7
1988	357	358.7
1989	360	358.7
1990	364	359.3
1991	360	359.3
1992	333	359.3
1993	361	359.3
1994	365	359.3
1996	364	359.3
1997	357	359.3
1998	365	359.3
1999	365	359.3
2000	365	361.7
2001	364	361.7
2002	364	361.7
2003	336	361.7
2004	363	361.7
2005	364	361.7
2006	365	361.7
2007	365	361.7
2008	366	361.7
2009	365	361.7
2010	363	364.7
2011	365	364.7
2012	366	364.7

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

First to last qualifying date each year at Aratichanguio
Year	First date	Last date
1957	1957-01-01	1957-12-31
1958	1958-01-01	1958-12-31
1959	1959-01-01	1959-12-31
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-31
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	1999-12-31
2000	2000-01-01	2000-12-31
2001	2001-01-01	2001-12-31
2002	2002-01-01	2002-12-31
2003	2003-01-01	2003-12-31
2004	2004-01-01	2004-12-31
2005	2005-01-01	2005-12-31
2006	2006-01-01	2006-12-31
2007	2007-01-01	2007-12-31
2008	2008-01-01	2008-12-31
2009	2009-01-01	2009-12-31
2010	2010-01-01	2010-12-31
2011	2011-01-01	2011-12-31
2012	2012-01-01	2012-12-31

Every Fixed Threshold

Fixed thresholds at Aratichanguio
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	53	366	1972	366
35 C (95 F): Days	53	359	1994	335
40 C (104 F): Days	53	235	2011	200
45 C (113 F): Days	19	11	1979	4
90 F (32.2 C): Days	53	365	1994	362
100 F (37.8 C): Days	53	279	2011	264
110 F (43.3 C): Days	37	42	2007	31
20 C (68 F): Tropical nights (min	53	344	1993	310
25 C (77 F): Days with min	53	97	1982	44
10 mm (0.39 in): Days with 10 mm or more rain	53	40	1992	20
25 mm (0.98 in): Days with 25 mm or more rain	53	13	1978	10
50 mm (1.97 in): Days with 50 mm or more rain	24	6	2010	6
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1967	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.

Download the Data

Data for Aratichanguio 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).

Aratichanguio Threshold Days by Year (MXN00012007)

Key Facts for Aratichanguio Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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