Romita Threshold Days by Year (MXN00011058)

8 fixed thresholds counted per year at Romita (MXN00011058): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Romita Thresholds

Romita: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1969 with 178.
Romita: days with a maximum temperature at or above 90 F (32.2 C) in 30 years, most in 1965 with 80.
Romita: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1967 with 37.
Romita: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1967 with 14.
8 fixed thresholds have at least one qualifying day at Romita.

Days at or above 30 C (86 F)

30 years with a qualifying day

Days per year at Romita with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 178 in 1969.

Days at or above 30 C (86 F) per year at Romita
Year	Days	Decade average
1963	95	142.9
1964	128	142.9
1965	149	142.9
1966	168	142.9
1967	149	142.9
1968	133	142.9
1969	178	142.9
1970	97	74.8
1971	67	74.8
1972	82	74.8
1973	80	74.8
1974	71	74.8
1975	80	74.8
1976	65	74.8
1977	56	74.8
1978	61	74.8
1979	89	74.8
1980	98	67
1981	73	67
1982	138	67
1983	85	67
1984	27	67
1985	27	67
1986	46	67
1987	46	67
1988	60	67
1989	70	67
1990	64	76.3
1991	95	76.3
1992	70	76.3

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

First to last qualifying date each year at Romita
Year	First date	Last date
1963	1963-03-05	1963-09-13
1964	1964-03-10	1964-10-04
1965	1965-02-27	1965-11-27
1966	1966-01-09	1966-11-12
1967	1967-02-16	1967-11-27
1968	1968-02-25	1968-10-17
1969	1969-01-30	1969-11-18
1970	1970-03-21	1970-10-26
1971	1971-03-02	1971-10-19
1972	1972-03-20	1972-11-01
1973	1973-02-05	1973-09-07
1974	1974-03-03	1974-06-28
1975	1975-03-07	1975-06-18
1976	1976-03-11	1976-07-02
1977	1977-03-10	1977-10-11
1978	1978-03-15	1978-08-28
1979	1979-03-15	1979-10-22
1980	1980-03-08	1980-10-19
1981	1981-03-30	1981-09-23
1982	1982-03-10	1982-10-07
1983	1983-03-24	1983-09-06
1984	1984-04-05	1984-06-27
1985	1985-04-28	1985-06-10
1986	1986-02-20	1986-11-19
1987	1987-04-16	1987-09-19
1988	1988-03-26	1988-11-06
1989	1989-03-17	1989-10-23
1990	1990-03-08	1990-10-10
1991	1991-03-06	1991-08-17
1992	1992-03-21	1992-11-13

Every Fixed Threshold

Fixed thresholds at Romita
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	30	178	1969	70
35 C (95 F): Days	19	23	1983	8
90 F (32.2 C): Days	30	80	1965	12
100 F (37.8 C): Days	6	4	1967	2
0 C (32 F): Frost days (min	25	20	1973	7
10 mm (0.39 in): Days with 10 mm or more rain	30	37	1967	23
25 mm (0.98 in): Days with 25 mm or more rain	30	14	1967	11
50 mm (1.97 in): Days with 50 mm or more rain	22	3	1975	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

Data for Romita 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).

Romita Threshold Days by Year (MXN00011058)

Key Facts for Romita Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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