Paso del Cuarenta I Threshold Days by Year (MXN00014106)

9 fixed thresholds counted per year at Paso del Cuarenta I (MXN00014106): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Paso del Cuarenta I Thresholds

Paso del Cuarenta I: days with a maximum temperature at or above 30 C (86 F) in 52 years, most in 1941 with 144.
Paso del Cuarenta I: nights with a minimum temperature at or below 0 C (32 F) in 52 years, most in 1983 with 54.
Paso del Cuarenta I: days with a maximum temperature at or above 90 F (32.2 C) in 51 years, most in 1941 with 69.
Paso del Cuarenta I: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1958 with 34.
9 fixed thresholds have at least one qualifying day at Paso del Cuarenta I.

Days at or above 30 C (86 F)

52 years with a qualifying day

Days per year at Paso del Cuarenta I with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 144 in 1941.

Days at or above 30 C (86 F) per year at Paso del Cuarenta I
Year	Days	Decade average
1941	144	106
1942	111	106
1943	102	106
1944	92	106
1945	126	106
1946	117	106
1947	78	106
1948	84	106
1949	100	106
1950	64	92.4
1951	97	92.4
1952	101	92.4
1953	124	92.4
1954	107	92.4
1955	97	92.4
1956	76	92.4
1957	113	92.4
1958	83	92.4
1959	62	92.4
1961	39	33.4
1962	38	33.4
1963	34	33.4
1964	35	33.4
1965	32	33.4
1966	27	33.4
1967	21	33.4
1968	24	33.4
1969	51	33.4
1970	63	45.8
1971	38	45.8
1972	60	45.8
1973	42	45.8
1974	52	45.8
1975	43	45.8
1976	32	45.8
1977	31	45.8
1978	35	45.8
1979	62	45.8
1980	61	44.8
1981	38	44.8
1982	66	44.8
1983	57	44.8
1984	29	44.8
1985	30	44.8
1986	39	44.8
1987	27	44.8
1988	56	44.8
1992	20	31.3
1993	23	31.3
1994	51	31.3
2001	110	79
2002	48	79

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

First to last qualifying date each year at Paso del Cuarenta I
Year	First date	Last date
1941	1941-01-07	1941-11-20
1942	1942-02-06	1942-10-30
1943	1943-02-10	1943-11-05
1944	1944-02-17	1944-11-14
1945	1945-02-02	1945-12-30
1946	1946-01-29	1946-12-15
1947	1947-03-03	1947-10-30
1948	1948-02-19	1948-12-21
1949	1949-03-05	1949-10-21
1950	1950-02-26	1950-09-24
1951	1951-02-20	1951-11-25
1952	1952-01-05	1952-11-02
1953	1953-02-05	1953-10-20
1954	1954-03-06	1954-11-02
1955	1955-02-26	1955-08-28
1956	1956-02-20	1956-11-20
1957	1957-01-29	1957-10-16
1958	1958-03-15	1958-08-26
1959	1959-02-17	1959-10-08
1961	1961-04-13	1961-06-08
1962	1962-05-01	1962-07-11
1963	1963-04-09	1963-06-07
1964	1964-04-07	1964-06-14
1965	1965-04-03	1965-06-16
1966	1966-04-28	1966-08-06
1967	1967-03-13	1967-07-30
1968	1968-03-31	1968-06-15
1969	1969-02-17	1969-11-18
1970	1970-04-01	1970-08-03
1971	1971-03-26	1971-06-10
1972	1972-04-04	1972-11-01
1973	1973-03-12	1973-06-19
1974	1974-03-02	1974-07-22
1975	1975-03-07	1975-06-16
1976	1976-02-10	1976-09-13
1977	1977-03-15	1977-10-11
1978	1978-03-24	1978-07-18
1979	1979-03-14	1979-10-25
1980	1980-03-08	1980-10-18
1981	1981-04-01	1981-08-16
1982	1982-03-17	1982-09-30
1983	1983-04-18	1983-10-08
1984	1984-02-01	1984-11-08
1985	1985-03-01	1985-06-11
1986	1986-02-20	1986-11-20
1987	1987-04-16	1987-09-19
1988	1988-02-03	1988-11-14
1992	1992-05-01	1992-09-22
1993	1993-04-26	1993-10-11
1994	1994-03-19	1994-11-05
2001	2001-02-13	2001-11-02
2002	2002-03-13	2002-06-27

Every Fixed Threshold

Fixed thresholds at Paso del Cuarenta I
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	52	144	1941	48
35 C (95 F): Days	26	34	1942	2
90 F (32.2 C): Days	51	69	1941	22
100 F (37.8 C): Days	4	8	1942	2
0 C (32 F): Frost days (min	52	54	1983	26
20 C (68 F): Tropical nights (min	2	4	1969	4
10 mm (0.39 in): Days with 10 mm or more rain	48	34	1958	25
25 mm (0.98 in): Days with 25 mm or more rain	47	9	1941	2
50 mm (1.97 in): Days with 50 mm or more rain	15	2	1941	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

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Data for Paso del Cuarenta I 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).

Paso del Cuarenta I Threshold Days by Year (MXN00014106)

Key Facts for Paso del Cuarenta I Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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