Rancho Alegre Threshold Days by Year (MXN00002040)

15 fixed thresholds counted per year at Rancho Alegre (MXN00002040): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rancho Alegre Thresholds

Rancho Alegre: days with a maximum temperature at or above 30 C (86 F) in 53 years, most in 1960 with 179.
Rancho Alegre: days with a maximum temperature at or above 35 C (95 F) in 53 years, most in 1985 with 81.
Rancho Alegre: days with a maximum temperature at or above 90 F (32.2 C) in 53 years, most in 2002 with 107.
Rancho Alegre: days with a maximum temperature at or above 100 F (37.8 C) in 52 years, most in 1992 with 33.
15 fixed thresholds have at least one qualifying day at Rancho Alegre.

Days at or above 30 C (86 F)

53 years with a qualifying day

Days per year at Rancho Alegre with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 179 in 1960.

Days at or above 30 C (86 F) per year at Rancho Alegre
Year	Days	Decade average
1955	83	103.6
1956	101	103.6
1957	109	103.6
1958	114	103.6
1959	111	103.6
1960	179	109.2
1961	104	109.2
1962	82	109.2
1963	118	109.2
1964	67	109.2
1965	99	109.2
1966	106	109.2
1967	108	109.2
1968	114	109.2
1969	115	109.2
1970	118	114
1971	126	114
1972	96	114
1973	88	114
1974	121	114
1975	97	114
1976	122	114
1977	121	114
1978	123	114
1979	128	114
1980	134	151.1
1981	157	151.1
1982	142	151.1
1983	123	151.1
1984	160	151.1
1985	159	151.1
1987	177	151.1
1988	157	151.1
1991	144	148.6
1992	149	148.6
1993	144	148.6
1995	162	148.6
1996	157	148.6
1997	150	148.6
1998	134	148.6
2000	144	146.5
2001	169	146.5
2002	145	146.5
2003	149	146.5
2004	149	146.5
2005	152	146.5
2006	148	146.5
2007	116	146.5
2008	138	146.5
2009	155	146.5
2010	97	116.7
2011	126	116.7
2012	127	116.7

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

First to last qualifying date each year at Rancho Alegre
Year	First date	Last date
1955	1955-02-11	1955-12-21
1956	1956-03-16	1956-11-27
1957	1957-02-09	1957-12-14
1958	1958-02-01	1958-12-17
1959	1959-01-17	1959-12-02
1960	1960-03-19	1960-12-20
1961	1961-01-16	1961-11-06
1962	1962-04-06	1962-11-02
1963	1963-02-02	1963-12-29
1964	1964-04-08	1964-12-14
1965	1965-01-17	1965-12-19
1966	1966-03-18	1966-12-17
1967	1967-02-12	1967-11-15
1968	1968-02-03	1968-12-09
1969	1969-01-01	1969-11-14
1970	1970-02-07	1970-12-31
1971	1971-01-16	1971-12-25
1972	1972-02-18	1972-10-18
1973	1973-01-28	1973-12-11
1974	1974-02-11	1974-12-08
1975	1975-01-18	1975-12-07
1976	1976-01-15	1976-11-23
1977	1977-02-11	1977-12-21
1978	1978-01-08	1978-11-08
1979	1979-03-05	1979-12-19
1980	1980-02-02	1980-12-31
1981	1981-01-01	1981-12-19
1982	1982-01-10	1982-12-20
1983	1983-01-08	1983-11-10
1984	1984-02-03	1984-11-20
1985	1985-02-14	1985-12-31
1987	1987-01-25	1987-12-12
1988	1988-01-04	1988-12-15
1991	1991-01-14	1991-11-26
1992	1992-01-31	1992-12-26
1993	1993-03-05	1993-11-23
1995	1995-02-05	1995-12-12
1996	1996-01-07	1996-12-17
1997	1997-02-21	1997-11-24
1998	1998-01-22	1998-12-29
2000	2000-01-13	2000-12-21
2001	2001-01-07	2001-12-19
2002	2002-01-08	2002-11-23
2003	2003-01-04	2003-12-24
2004	2004-03-07	2004-12-17
2005	2005-01-17	2005-12-26
2006	2006-01-04	2006-11-07
2007	2007-01-08	2007-11-14
2008	2008-03-12	2008-12-02
2009	2009-03-13	2009-10-31
2010	2010-05-08	2010-11-30
2011	2011-01-24	2011-11-04
2012	2012-03-30	2012-11-30

Every Fixed Threshold

Fixed thresholds at Rancho Alegre
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	53	179	1960	127
35 C (95 F): Days	53	81	1985	29
40 C (104 F): Days	42	18	1987	2
45 C (113 F): Days	4	2	1960	1
90 F (32.2 C): Days	53	107	2002	49
100 F (37.8 C): Days	52	33	1992	6
110 F (43.3 C): Days	6	2	1960	1
120 F (48.9 C): Days	1	1	1960	1
0 C (32 F): Frost days (min	44	42	2001	5
20 C (68 F): Tropical nights (min	47	80	1984	1
25 C (77 F): Days with min	10	2	1981	1
10 mm (0.39 in): Days with 10 mm or more rain	47	13	1962	1
25 mm (0.98 in): Days with 25 mm or more rain	22	6	1961	1
50 mm (1.97 in): Days with 50 mm or more rain	10	4	1965	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1959	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

Data for Rancho Alegre 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).

Rancho Alegre Threshold Days by Year (MXN00002040)

Key Facts for Rancho Alegre Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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