Tzitzio Threshold Days by Year (MXN00016136)

10 fixed thresholds counted per year at Tzitzio (MXN00016136): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tzitzio Thresholds

Tzitzio: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 1977 with 321.
Tzitzio: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 2002 with 51.
Tzitzio: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1976 with 17.
Tzitzio: days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 1977 with 193.
10 fixed thresholds have at least one qualifying day at Tzitzio.

Days at or above 30 C (86 F)

34 years with a qualifying day

Days per year at Tzitzio with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 321 in 1977.

Days at or above 30 C (86 F) per year at Tzitzio
Year	Days	Decade average
1973	96	209.6
1974	261	209.6
1975	240	209.6
1976	309	209.6
1977	321	209.6
1978	133	209.6
1979	107	209.6
1980	89	64.4
1981	49	64.4
1982	74	64.4
1983	57	64.4
1984	63	64.4
1985	62	64.4
1986	1	64.4
1987	68	64.4
1988	103	64.4
1989	78	64.4
1990	89	77.3
1991	100	77.3
1992	55	77.3
1993	82	77.3
1994	69	77.3
1995	89	77.3
1996	71	77.3
1997	43	77.3
1998	111	77.3
1999	64	77.3
2002	59	79.9
2003	76	79.9
2004	66	79.9
2005	98	79.9
2006	101	79.9
2007	91	79.9
2008	68	79.9

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

First to last qualifying date each year at Tzitzio
Year	First date	Last date
1973	1973-02-04	1973-12-31
1974	1974-01-01	1974-11-30
1975	1975-03-08	1975-12-23
1976	1976-01-01	1976-12-31
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-06-14
1979	1979-03-11	1979-10-23
1980	1980-03-08	1980-07-06
1981	1981-03-31	1981-06-13
1982	1982-02-09	1982-06-26
1983	1983-03-31	1983-06-20
1984	1984-03-13	1984-06-02
1985	1985-03-06	1985-06-11
1986	1986-11-18	1986-11-18
1987	1987-03-21	1987-11-08
1988	1988-02-25	1988-06-23
1989	1989-03-30	1989-06-25
1990	1990-03-07	1990-08-17
1991	1991-03-01	1991-06-08
1992	1992-03-04	1992-07-07
1993	1993-02-18	1993-06-19
1994	1994-03-07	1994-06-01
1995	1995-02-19	1995-06-07
1996	1996-02-20	1996-05-31
1997	1997-02-25	1997-06-15
1998	1998-02-23	1998-06-28
1999	1999-02-21	1999-06-19
2002	2002-02-14	2002-06-26
2003	2003-03-02	2003-05-31
2004	2004-03-07	2004-10-04
2005	2005-02-08	2005-06-28
2006	2006-02-19	2006-06-29
2007	2007-01-26	2007-06-14
2008	2008-02-17	2008-06-07

Every Fixed Threshold

Fixed thresholds at Tzitzio
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	34	321	1977	68
35 C (95 F): Days	12	70	1977	1
40 C (104 F): Days	1	1	1974	1
90 F (32.2 C): Days	28	193	1977	10
100 F (37.8 C): Days	4	21	1974	6
20 C (68 F): Tropical nights (min	11	21	1992	4
10 mm (0.39 in): Days with 10 mm or more rain	34	51	2002	61
25 mm (0.98 in): Days with 25 mm or more rain	34	17	1976	21
50 mm (1.97 in): Days with 50 mm or more rain	26	6	2002	3
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1989	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

Data for Tzitzio 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).

Tzitzio Threshold Days by Year (MXN00016136)

Key Facts for Tzitzio Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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