Tototlan Threshold Days by Year (MXN00014154)

11 fixed thresholds counted per year at Tototlan (MXN00014154): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tototlan Thresholds

Tototlan: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1958 with 42.
Tototlan: days with 25 mm (0.98 in) or more of precipitation in 50 years, most in 1980 with 15.
Tototlan: days with a maximum temperature at or above 30 C (86 F) in 49 years, most in 1962 with 333.
Tototlan: days with a maximum temperature at or above 35 C (95 F) in 49 years, most in 1962 with 159.
11 fixed thresholds have at least one qualifying day at Tototlan.

Days at or above 30 C (86 F)

49 years with a qualifying day

Days per year at Tototlan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 333 in 1962.

Days at or above 30 C (86 F) per year at Tototlan
Year	Days	Decade average
1942	278	273.1
1943	258	273.1
1944	193	273.1
1945	303	273.1
1946	288	273.1
1947	277	273.1
1948	285	273.1
1949	303	273.1
1950	310	222.4
1951	304	222.4
1952	268	222.4
1953	242	222.4
1954	240	222.4
1955	149	222.4
1956	163	222.4
1957	220	222.4
1958	173	222.4
1959	155	222.4
1960	194	287
1961	322	287
1962	333	287
1963	317	287
1964	303	287
1965	325	287
1966	316	287
1967	314	287
1968	312	287
1969	134	287
1970	107	103
1971	88	103
1972	101	103
1973	100	103
1974	89	103
1975	110	103
1976	110	103
1977	98	103
1978	87	103
1979	140	103
1980	105	154.6
1981	98	154.6
1982	153	154.6
1983	114	154.6
1984	173	154.6
1985	232	154.6
1989	207	154.6
1994	278	267
1995	255	267
1996	327	267
1998	208	267

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

First to last qualifying date each year at Tototlan
Year	First date	Last date
1942	1942-01-01	1942-12-31
1943	1943-01-01	1943-12-31
1944	1944-01-03	1944-12-27
1945	1945-01-11	1945-12-31
1946	1946-01-01	1946-12-29
1947	1947-01-21	1947-12-29
1948	1948-01-27	1948-12-31
1949	1949-01-05	1949-12-30
1950	1950-01-01	1950-12-23
1951	1951-01-06	1951-12-30
1952	1952-01-01	1952-12-20
1953	1953-01-08	1953-11-28
1954	1954-01-03	1954-12-09
1955	1955-02-17	1955-11-19
1956	1956-02-16	1956-12-08
1957	1957-01-01	1957-12-20
1958	1958-01-29	1958-11-18
1959	1959-02-08	1959-12-15
1960	1960-01-05	1960-12-05
1961	1961-01-03	1961-12-31
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-30
1964	1964-01-01	1964-11-30
1965	1965-01-01	1965-12-31
1966	1966-01-01	1966-12-30
1967	1967-01-01	1967-12-31
1968	1968-01-01	1968-12-17
1969	1969-02-17	1969-11-18
1970	1970-03-14	1970-11-22
1971	1971-01-25	1971-10-19
1972	1972-02-28	1972-11-15
1973	1973-02-04	1973-11-05
1974	1974-03-03	1974-11-20
1975	1975-02-26	1975-12-02
1976	1976-02-10	1976-10-03
1977	1977-02-24	1977-12-27
1978	1978-03-12	1978-09-14
1979	1979-03-11	1979-10-26
1980	1980-03-06	1980-10-24
1981	1981-02-27	1981-11-23
1982	1982-01-10	1982-11-14
1983	1983-02-25	1983-12-24
1984	1984-03-05	1984-12-29
1985	1985-01-02	1985-12-31
1989	1989-01-08	1989-12-17
1994	1994-01-23	1994-12-31
1995	1995-01-01	1995-12-07
1996	1996-01-11	1996-12-31
1998	1998-02-22	1998-11-22

Every Fixed Threshold

Fixed thresholds at Tototlan
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	49	333	1962	208
35 C (95 F): Days	49	159	1962	1
40 C (104 F): Days	9	9	1961	1
90 F (32.2 C): Days	49	267	1961	35
100 F (37.8 C): Days	28	47	1962	2
0 C (32 F): Frost days (min	29	30	1983	8
20 C (68 F): Tropical nights (min	13	106	1966	95
25 C (77 F): Days with min	1	3	1989	3
10 mm (0.39 in): Days with 10 mm or more rain	51	42	1958	23
25 mm (0.98 in): Days with 25 mm or more rain	50	15	1980	8
50 mm (1.97 in): Days with 50 mm or more rain	34	6	1976	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

Data for Tototlan 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).

Tototlan Threshold Days by Year (MXN00014154)

Key Facts for Tototlan Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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