Maltrata (Smn) Threshold Days by Year (MXN00030212)

9 fixed thresholds counted per year at Maltrata (Smn) (MXN00030212): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Maltrata (Smn) Thresholds

Maltrata (Smn): days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1959 with 69.
Maltrata (Smn): days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1954 with 11.
Maltrata (Smn): days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1991 with 97.
Maltrata (Smn): days with a maximum temperature at or above 90 F (32.2 C) in 25 years, most in 1984 with 37.
9 fixed thresholds have at least one qualifying day at Maltrata (Smn).

Days at or above 30 C (86 F)

25 years with a qualifying day

Days per year at Maltrata (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 97 in 1991.

Days at or above 30 C (86 F) per year at Maltrata (Smn)
Year	Days	Decade average
1962	18	31
1969	44	31
1970	40	53.7
1971	51	53.7
1972	35	53.7
1973	71	53.7
1974	37	53.7
1975	56	53.7
1976	50	53.7
1977	70	53.7
1978	56	53.7
1979	71	53.7
1980	88	71.4
1981	54	71.4
1982	74	71.4
1983	86	71.4
1984	73	71.4
1985	48	71.4
1986	72	71.4
1987	86	71.4
1988	62	71.4
1990	50	57.8
1991	97	57.8
1992	31	57.8
1993	53	57.8

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

First to last qualifying date each year at Maltrata (Smn)
Year	First date	Last date
1962	1962-02-18	1962-06-30
1969	1969-01-08	1969-12-26
1970	1970-01-28	1970-11-18
1971	1971-01-01	1971-12-14
1972	1972-01-09	1972-12-28
1973	1973-01-06	1973-12-29
1974	1974-01-17	1974-10-28
1975	1975-02-15	1975-10-23
1976	1976-01-24	1976-12-30
1977	1977-01-05	1977-12-29
1978	1978-01-24	1978-12-20
1979	1979-01-07	1979-12-22
1980	1980-01-10	1980-11-15
1981	1981-01-25	1981-12-30
1982	1982-01-01	1982-12-26
1983	1983-01-27	1983-12-27
1984	1984-02-11	1984-10-26
1985	1985-01-29	1985-08-11
1986	1986-02-02	1986-12-09
1987	1987-01-08	1987-12-25
1988	1988-01-06	1988-11-26
1990	1990-03-05	1990-12-22
1991	1991-01-14	1991-09-01
1992	1992-02-13	1992-12-13
1993	1993-01-08	1993-12-21

Every Fixed Threshold

Fixed thresholds at Maltrata (Smn)
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	25	97	1991	53
35 C (95 F): Days	22	22	1984	2
90 F (32.2 C): Days	25	37	1984	9
100 F (37.8 C): Days	8	2	1973	2
0 C (32 F): Frost days (min	15	15	1962	1
20 C (68 F): Tropical nights (min	2	1	1974	1
10 mm (0.39 in): Days with 10 mm or more rain	42	69	1959	24
25 mm (0.98 in): Days with 25 mm or more rain	35	11	1954	5
50 mm (1.97 in): Days with 50 mm or more rain	6	4	1974	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 Maltrata (Smn) 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).

Maltrata (Smn) Threshold Days by Year (MXN00030212)

Key Facts for Maltrata (Smn) Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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