Tepacaltepec Threshold Days by Year (MXN00016128)

13 fixed thresholds counted per year at Tepacaltepec (MXN00016128): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tepacaltepec Thresholds

Tepacaltepec: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1958 with 40.
Tepacaltepec: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1973 with 14.
Tepacaltepec: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 1960 with 363.
Tepacaltepec: days with a maximum temperature at or above 35 C (95 F) in 31 years, most in 1961 with 331.
13 fixed thresholds have at least one qualifying day at Tepacaltepec.

Days at or above 30 C (86 F)

31 years with a qualifying day

Days per year at Tepacaltepec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 363 in 1960.

Days at or above 30 C (86 F) per year at Tepacaltepec
Year	Days	Decade average
1944	346	351.4
1946	356	351.4
1947	344	351.4
1948	355	351.4
1949	356	351.4
1950	355	355.1
1951	349	355.1
1952	354	355.1
1953	362	355.1
1954	361	355.1
1955	360	355.1
1956	360	355.1
1957	360	355.1
1958	331	355.1
1959	359	355.1
1960	363	350.6
1961	358	350.6
1962	355	350.6
1963	349	350.6
1964	336	350.6
1965	362	350.6
1966	346	350.6
1967	350	350.6
1968	336	350.6
1973	357	349.5
1974	332	349.5
1975	352	349.5
1976	357	349.5
1981	357	354.3
1982	358	354.3
1983	348	354.3

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

First to last qualifying date each year at Tepacaltepec
Year	First date	Last date
1944	1944-01-01	1944-12-31
1946	1946-01-01	1946-12-31
1947	1947-01-01	1947-12-30
1948	1948-01-01	1948-12-31
1949	1949-01-01	1949-12-31
1950	1950-01-01	1950-12-31
1951	1951-01-01	1951-12-31
1952	1952-01-01	1952-12-31
1953	1953-01-01	1953-12-29
1954	1954-01-01	1954-12-31
1955	1955-01-01	1955-12-31
1956	1956-01-01	1956-12-29
1957	1957-01-01	1957-12-31
1958	1958-01-02	1958-12-31
1959	1959-01-03	1959-12-31
1960	1960-01-01	1960-12-31
1961	1961-01-01	1961-12-31
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-30
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	1968-12-31
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
1981	1981-01-01	1981-12-31
1982	1982-01-01	1982-12-31
1983	1983-01-02	1983-12-31

Every Fixed Threshold

Fixed thresholds at Tepacaltepec
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	31	363	1960	348
35 C (95 F): Days	31	331	1961	274
40 C (104 F): Days	30	155	1968	81
45 C (113 F): Days	7	36	1975	1
90 F (32.2 C): Days	31	357	1957	330
100 F (37.8 C): Days	30	239	1968	127
110 F (43.3 C): Days	17	42	1975	10
20 C (68 F): Tropical nights (min	30	353	1955	232
25 C (77 F): Days with min	30	118	1948	24
10 mm (0.39 in): Days with 10 mm or more rain	32	40	1958	21
25 mm (0.98 in): Days with 25 mm or more rain	32	14	1973	10
50 mm (1.97 in): Days with 50 mm or more rain	23	5	1973	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1981	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

Data for Tepacaltepec 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).

Tepacaltepec Threshold Days by Year (MXN00016128)

Key Facts for Tepacaltepec Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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