Cahuacan Threshold Days by Year

12 fixed thresholds counted per year at Cahuacan (MXN00007019): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cahuacan Thresholds

Cahuacan: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1966 with 47.
Cahuacan: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1999 with 25.
Cahuacan: days with 50 mm (1.97 in) or more of precipitation in 43 years, most in 1979 with 10.
Cahuacan: nights with a minimum temperature at or above 20 C (68 F) in 40 years, most in 1994 with 353.
12 fixed thresholds have at least one qualifying day at Cahuacan.

Days at or above 30 C (86 F)

39 years with a qualifying day

Days per year at Cahuacan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 365 in 1980.

Days at or above 30 C (86 F) per year at Cahuacan
Year	Days	Decade average
1962	360	340.7
1963	352	340.7
1964	360	340.7
1965	362	340.7
1966	360	340.7
1967	359	340.7
1968	232	340.7
1970	360	357.6
1971	359	357.6
1972	334	357.6
1973	357	357.6
1974	359	357.6
1975	363	357.6
1976	363	357.6
1977	363	357.6
1978	358	357.6
1979	360	357.6
1980	365	360.4
1981	358	360.4
1982	359	360.4
1983	364	360.4
1984	352	360.4
1985	365	360.4
1986	361	360.4
1987	362	360.4
1988	362	360.4
1989	356	360.4
1990	363	359.7
1991	364	359.7
1992	365	359.7
1993	364	359.7
1994	359	359.7
1995	356	359.7
1996	363	359.7
1997	346	359.7
1999	357	359.7
2001	347	357
2002	361	357
2003	363	357

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

First to last qualifying date each year at Cahuacan
Year	First date	Last date
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	1968-12-10
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
1995	1995-01-01	1995-12-31
1996	1996-01-01	1996-12-31
1997	1997-01-01	1997-12-19
1999	1999-01-01	1999-12-31
2001	2001-01-01	2001-12-31
2002	2002-01-01	2002-12-31
2003	2003-01-01	2003-12-31

Every Fixed Threshold

Fixed thresholds at Cahuacan
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	39	365	1980	363
35 C (95 F): Days	39	296	1977	245
40 C (104 F): Days	11	13	2002	9
90 F (32.2 C): Days	39	359	1980	352
100 F (37.8 C): Days	32	86	2003	86
20 C (68 F): Tropical nights (min	40	353	1994	300
25 C (77 F): Days with min	40	41	1983	7
10 mm (0.39 in): Days with 10 mm or more rain	44	47	1966	33
25 mm (0.98 in): Days with 25 mm or more rain	44	25	1999	21
50 mm (1.97 in): Days with 50 mm or more rain	43	10	1979	6
100 mm (3.94 in): Days with 100 mm or more rain	22	3	1963	1
200 mm (7.87 in): Days with 200 mm or more rain	4	1	1963	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

Download the Data

Data for Cahuacan 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Cahuacan Threshold Days by Year

Key Facts for Cahuacan Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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