El Choy Threshold Days by Year (MXN00024018)

15 fixed thresholds counted per year at El Choy (MXN00024018): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for El Choy Thresholds

El Choy: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1976 with 42.
El Choy: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1969 with 20.
El Choy: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1976 with 10.
El Choy: days with a maximum temperature at or above 30 C (86 F) in 29 years, most in 1971 with 304.
15 fixed thresholds have at least one qualifying day at El Choy.

Days at or above 30 C (86 F)

29 years with a qualifying day

Days per year at El Choy with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 304 in 1971.

Days at or above 30 C (86 F) per year at El Choy
Year	Days	Decade average
1961	202	238
1962	233	238
1963	225	238
1964	228	238
1965	238	238
1966	249	238
1967	259	238
1968	245	238
1969	263	238
1970	255	254.4
1971	304	254.4
1972	292	254.4
1973	258	254.4
1974	265	254.4
1975	282	254.4
1976	226	254.4
1977	233	254.4
1978	212	254.4
1979	217	254.4
1980	216	221.7
1981	203	221.7
1982	232	221.7
1983	233	221.7
1984	204	221.7
1985	222	221.7
1986	223	221.7
1987	216	221.7
1989	246	221.7
1990	215	215

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

First to last qualifying date each year at El Choy
Year	First date	Last date
1961	1961-02-27	1961-12-12
1962	1962-01-22	1962-11-19
1963	1963-01-10	1963-12-11
1964	1964-01-08	1964-12-25
1965	1965-01-25	1965-12-31
1966	1966-01-01	1966-12-31
1967	1967-01-02	1967-12-31
1968	1968-01-03	1968-12-30
1969	1969-01-09	1969-12-28
1970	1970-01-02	1970-12-31
1971	1971-01-01	1971-12-31
1972	1972-01-01	1972-12-30
1973	1973-01-01	1973-12-31
1974	1974-01-07	1974-12-30
1975	1975-01-08	1975-12-28
1976	1976-01-01	1976-12-06
1977	1977-01-28	1977-12-08
1978	1978-01-16	1978-12-31
1979	1979-01-20	1979-12-23
1980	1980-01-26	1980-12-17
1981	1981-02-10	1981-12-28
1982	1982-01-02	1982-12-24
1983	1983-01-29	1983-12-28
1984	1984-02-15	1984-12-13
1985	1985-01-29	1985-12-11
1986	1986-02-04	1986-11-23
1987	1987-02-14	1987-12-25
1989	1989-01-01	1989-12-11
1990	1990-01-17	1990-12-22

Every Fixed Threshold

Fixed thresholds at El Choy
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	29	304	1971	215
35 C (95 F): Days	29	148	1982	83
40 C (104 F): Days	27	36	1967	5
45 C (113 F): Days	11	5	1973	3
90 F (32.2 C): Days	29	217	1971	147
100 F (37.8 C): Days	29	85	1967	25
110 F (43.3 C): Days	13	8	1973	6
0 C (32 F): Frost days (min	8	2	1962	2
20 C (68 F): Tropical nights (min	29	247	1972	206
25 C (77 F): Days with min	29	67	1969	33
10 mm (0.39 in): Days with 10 mm or more rain	30	42	1976	32
25 mm (0.98 in): Days with 25 mm or more rain	30	20	1969	7
50 mm (1.97 in): Days with 50 mm or more rain	30	10	1976	2
100 mm (3.94 in): Days with 100 mm or more rain	19	3	1967	2
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1977	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 El Choy 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).

El Choy Threshold Days by Year (MXN00024018)

Key Facts for El Choy Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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