Arteaga Threshold Days by Year (MXN00016009)

10 fixed thresholds counted per year at Arteaga (MXN00016009): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Arteaga Thresholds

Arteaga: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1958 with 40.
Arteaga: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1950 with 27.
Arteaga: days with a maximum temperature at or above 30 C (86 F) in 45 years, most in 1954 with 361.
Arteaga: days with a maximum temperature at or above 35 C (95 F) in 45 years, most in 1952 with 24.
10 fixed thresholds have at least one qualifying day at Arteaga.

Days at or above 30 C (86 F)

45 years with a qualifying day

Days per year at Arteaga with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 361 in 1954.

Days at or above 30 C (86 F) per year at Arteaga
Year	Days	Decade average
1937	273	259.7
1938	263	259.7
1939	243	259.7
1940	291	331.8
1941	303	331.8
1942	349	331.8
1943	355	331.8
1944	316	331.8
1945	360	331.8
1946	360	331.8
1947	320	331.8
1952	358	277.3
1953	360	277.3
1954	361	277.3
1955	331	277.3
1957	259	277.3
1958	112	277.3
1959	160	277.3
1960	198	219.6
1961	176	219.6
1962	178	219.6
1963	165	219.6
1964	180	219.6
1965	268	219.6
1966	277	219.6
1967	270	219.6
1968	249	219.6
1969	235	219.6
1970	226	256.4
1971	235	256.4
1972	300	256.4
1973	255	256.4
1974	270	256.4
1975	255	256.4
1976	267	256.4
1977	261	256.4
1978	232	256.4
1979	263	256.4
1980	272	250.1
1981	243	250.1
1982	276	250.1
1983	180	250.1
1984	223	250.1
1986	270	250.1
1987	287	250.1

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

First to last qualifying date each year at Arteaga
Year	First date	Last date
1937	1937-01-01	1937-12-31
1938	1938-01-01	1938-12-31
1939	1939-01-01	1939-12-30
1940	1940-01-01	1940-12-31
1941	1941-01-01	1941-12-31
1942	1942-01-01	1942-12-30
1943	1943-01-01	1943-12-31
1944	1944-01-01	1944-11-25
1945	1945-01-01	1945-12-30
1946	1946-01-01	1946-12-31
1947	1947-01-01	1947-12-31
1952	1952-01-01	1952-12-31
1953	1953-01-01	1953-12-31
1954	1954-01-01	1954-12-31
1955	1955-01-01	1955-12-31
1957	1957-01-01	1957-10-30
1958	1958-04-02	1958-12-26
1959	1959-01-30	1959-12-30
1960	1960-01-01	1960-12-28
1961	1961-01-03	1961-12-31
1962	1962-01-01	1962-12-31
1963	1963-01-05	1963-12-18
1964	1964-01-05	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	1968-12-31
1969	1969-01-01	1969-12-26
1970	1970-01-02	1970-12-31
1971	1971-01-01	1971-12-30
1972	1972-01-01	1972-12-30
1973	1973-01-04	1973-12-31
1974	1974-01-01	1974-12-31
1975	1975-01-02	1975-12-31
1976	1976-01-01	1976-12-27
1977	1977-01-06	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-27
1980	1980-01-05	1980-12-29
1981	1981-01-06	1981-12-31
1982	1982-01-05	1982-12-28
1983	1983-01-02	1983-12-31
1984	1984-01-01	1984-12-31
1986	1986-01-01	1986-12-20
1987	1987-01-03	1987-12-31

Every Fixed Threshold

Fixed thresholds at Arteaga
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	45	361	1954	287
35 C (95 F): Days	45	24	1952	13
90 F (32.2 C): Days	45	349	1952	102
100 F (37.8 C): Days	2	1	1954	1
20 C (68 F): Tropical nights (min	38	68	1957	55
10 mm (0.39 in): Days with 10 mm or more rain	47	40	1958	20
25 mm (0.98 in): Days with 25 mm or more rain	47	27	1950	7
50 mm (1.97 in): Days with 50 mm or more rain	44	16	1950	2
100 mm (3.94 in): Days with 100 mm or more rain	23	4	1976	1
200 mm (7.87 in): Days with 200 mm or more rain	8	1	1938	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.

Download the Data

Data for Arteaga 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).

Arteaga Threshold Days by Year (MXN00016009)

Key Facts for Arteaga Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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