Atenco Threshold Days by Year (MXN00015008)

8 fixed thresholds counted per year at Atenco (MXN00015008): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Atenco Thresholds

Atenco: nights with a minimum temperature at or below 0 C (32 F) in 42 years, most in 1970 with 71.
Atenco: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1963 with 28.
Atenco: days with a maximum temperature at or above 30 C (86 F) in 41 years, most in 1998 with 87.
Atenco: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1998 with 9.
8 fixed thresholds have at least one qualifying day at Atenco.

Days at or above 30 C (86 F)

41 years with a qualifying day

Days per year at Atenco with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 87 in 1998.

Days at or above 30 C (86 F) per year at Atenco
Year	Days	Decade average
1961	23	11.9
1962	15	11.9
1963	13	11.9
1964	6	11.9
1965	8	11.9
1966	15	11.9
1967	11	11.9
1969	4	11.9
1970	14	13.3
1971	12	13.3
1972	13	13.3
1973	20	13.3
1974	7	13.3
1975	15	13.3
1976	2	13.3
1977	18	13.3
1978	19	13.3
1980	24	25.8
1981	9	25.8
1982	40	25.8
1983	53	25.8
1984	32	25.8
1985	8	25.8
1986	19	25.8
1987	18	25.8
1988	36	25.8
1989	19	25.8
1996	35	47.3
1997	22	47.3
1998	87	47.3
1999	45	47.3
2000	34	43.2
2001	32	43.2
2002	45	43.2
2003	59	43.2
2004	34	43.2
2006	29	43.2
2007	26	43.2
2008	47	43.2
2009	83	43.2
2011	59	59

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

First to last qualifying date each year at Atenco
Year	First date	Last date
1961	1961-04-12	1961-05-21
1962	1962-03-03	1962-06-08
1963	1963-03-14	1963-06-06
1964	1964-04-07	1964-05-07
1965	1965-03-30	1965-06-13
1966	1966-05-12	1966-06-09
1967	1967-04-22	1967-05-13
1969	1969-04-20	1969-06-11
1970	1970-03-25	1970-04-29
1971	1971-04-20	1971-05-22
1972	1972-04-07	1972-05-23
1973	1973-03-08	1973-06-05
1974	1974-04-22	1974-05-16
1975	1975-04-02	1975-05-09
1976	1976-05-24	1976-05-26
1977	1977-03-12	1977-05-19
1978	1978-04-16	1978-05-13
1980	1980-03-08	1980-06-28
1981	1981-04-01	1981-05-18
1982	1982-03-14	1982-09-30
1983	1983-03-19	1983-06-29
1984	1984-03-26	1984-05-07
1985	1985-03-04	1985-05-31
1986	1986-04-02	1986-05-16
1987	1987-03-18	1987-05-29
1988	1988-02-19	1988-10-28
1989	1989-05-14	1989-06-12
1996	1996-01-29	1996-11-07
1997	1997-02-28	1997-10-30
1998	1998-02-21	1998-12-20
1999	1999-03-07	1999-06-30
2000	2000-01-20	2000-12-15
2001	2001-03-12	2001-10-25
2002	2002-02-27	2002-12-02
2003	2003-02-10	2003-11-27
2004	2004-03-05	2004-11-29
2006	2006-03-11	2006-06-12
2007	2007-02-21	2007-06-08
2008	2008-02-17	2008-12-20
2009	2009-01-07	2009-12-10
2011	2011-03-25	2011-06-17

Every Fixed Threshold

Fixed thresholds at Atenco
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	41	87	1998	59
35 C (95 F): Days	6	9	1998	1
90 F (32.2 C): Days	25	45	1998	12
100 F (37.8 C): Days	2	1	1998	1
0 C (32 F): Frost days (min	42	71	1970	1
10 mm (0.39 in): Days with 10 mm or more rain	42	28	1963	18
25 mm (0.98 in): Days with 25 mm or more rain	40	9	1998	1
50 mm (1.97 in): Days with 50 mm or more rain	9	1	1964	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 Atenco 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).

Atenco Threshold Days by Year (MXN00015008)

Key Facts for Atenco Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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