Autlan Threshold Days by Year (MXN00014019)

11 fixed thresholds counted per year at Autlan (MXN00014019): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Autlan Thresholds

Autlan: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1955 with 29.
Autlan: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1992 with 17.
Autlan: days with a maximum temperature at or above 30 C (86 F) in 43 years, most in 1999 with 356.
Autlan: nights with a minimum temperature at or above 20 C (68 F) in 43 years, most in 1973 with 199.
11 fixed thresholds have at least one qualifying day at Autlan.

Days at or above 30 C (86 F)

43 years with a qualifying day

Days per year at Autlan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 356 in 1999.

Days at or above 30 C (86 F) per year at Autlan
Year	Days	Decade average
1946	240	241
1948	213	241
1949	270	241
1951	305	227.3
1952	232	227.3
1953	45	227.3
1954	147	227.3
1955	257	227.3
1956	290	227.3
1957	302	227.3
1958	205	227.3
1959	263	227.3
1960	264	197
1961	246	197
1962	157	197
1963	210	197
1964	227	197
1965	216	197
1966	204	197
1967	171	197
1968	133	197
1969	142	197
1970	80	258.8
1971	150	258.8
1972	220	258.8
1973	169	258.8
1974	329	258.8
1975	309	258.8
1976	322	258.8
1977	333	258.8
1978	334	258.8
1979	342	258.8
1980	342	270
1987	259	270
1989	209	270
1991	263	236.6
1992	220	236.6
1993	240	236.6
1994	197	236.6
1995	194	236.6
1997	186	236.6
1999	356	236.6
2000	308	308

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

First to last qualifying date each year at Autlan
Year	First date	Last date
1946	1946-01-22	1946-12-29
1948	1948-02-08	1948-12-31
1949	1949-01-05	1949-12-31
1951	1951-01-04	1951-12-31
1952	1952-01-01	1952-11-19
1953	1953-03-28	1953-10-03
1954	1954-04-05	1954-12-23
1955	1955-01-13	1955-12-29
1956	1956-01-01	1956-12-31
1957	1957-01-01	1957-12-28
1958	1958-01-31	1958-12-01
1959	1959-01-11	1959-12-21
1960	1960-01-02	1960-12-25
1961	1961-01-04	1961-12-28
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-09
1964	1964-01-19	1964-12-22
1965	1965-01-03	1965-12-31
1966	1966-01-01	1966-11-29
1967	1967-01-04	1967-11-30
1968	1968-03-24	1968-12-16
1969	1969-01-31	1969-12-26
1970	1970-01-30	1970-12-26
1971	1971-01-30	1971-12-30
1972	1972-01-06	1972-12-14
1973	1973-02-05	1973-12-30
1974	1974-01-01	1974-12-25
1975	1975-01-04	1975-12-24
1976	1976-01-03	1976-12-30
1977	1977-01-03	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-31
1980	1980-01-01	1980-12-31
1987	1987-01-26	1987-12-25
1989	1989-01-03	1989-12-25
1991	1991-01-01	1991-11-29
1992	1992-03-02	1992-12-30
1993	1993-01-01	1993-11-24
1994	1994-01-02	1994-11-01
1995	1995-02-13	1995-12-30
1997	1997-03-08	1997-12-30
1999	1999-01-01	1999-12-31
2000	2000-01-01	2000-11-30

Every Fixed Threshold

Fixed thresholds at Autlan
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	43	356	1999	308
35 C (95 F): Days	38	156	1979	81
40 C (104 F): Days	2	6	1997	6
90 F (32.2 C): Days	42	248	1980	190
100 F (37.8 C): Days	16	27	1980	6
20 C (68 F): Tropical nights (min	43	199	1973	87
25 C (77 F): Days with min	5	27	1970	1
10 mm (0.39 in): Days with 10 mm or more rain	44	29	1955	18
25 mm (0.98 in): Days with 25 mm or more rain	44	17	1992	5
50 mm (1.97 in): Days with 50 mm or more rain	34	10	1992	1
100 mm (3.94 in): Days with 100 mm or more rain	4	2	1968	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 Autlan 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).

Autlan Threshold Days by Year (MXN00014019)

Key Facts for Autlan Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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