El Rusio Threshold Days by Year (MXN00032015)

11 fixed thresholds counted per year at El Rusio (MXN00032015): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for El Rusio Thresholds

El Rusio: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1992 with 18.
El Rusio: nights with a minimum temperature at or below 0 C (32 F) in 38 years, most in 1999 with 114.
El Rusio: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 1988 with 292.
El Rusio: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1976 with 6.
11 fixed thresholds have at least one qualifying day at El Rusio.

Days at or above 30 C (86 F)

36 years with a qualifying day

Days per year at El Rusio with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 292 in 1988.

Days at or above 30 C (86 F) per year at El Rusio
Year	Days	Decade average
1967	92	66
1968	40	66
1970	65	117
1971	14	117
1972	47	117
1973	42	117
1974	120	117
1975	212	117
1976	158	117
1977	172	117
1978	183	117
1979	157	117
1983	103	195
1984	93	195
1985	129	195
1987	275	195
1988	292	195
1989	278	195
1990	266	57.1
1991	55	57.1
1992	18	57.1
1993	21	57.1
1994	18	57.1
1995	41	57.1
1996	24	57.1
1999	14	57.1
2002	14	27.7
2003	39	27.7
2004	12	27.7
2005	40	27.7
2006	33	27.7
2007	19	27.7
2009	37	27.7
2010	40	47.7
2011	67	47.7
2012	36	47.7

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

First to last qualifying date each year at El Rusio
Year	First date	Last date
1967	1967-04-01	1967-08-06
1968	1968-05-01	1968-09-16
1970	1970-04-04	1970-10-26
1971	1971-05-10	1971-05-31
1972	1972-04-08	1972-09-27
1973	1973-04-18	1973-07-03
1974	1974-03-02	1974-12-04
1975	1975-01-28	1975-12-14
1976	1976-01-10	1976-10-30
1977	1977-02-03	1977-11-09
1978	1978-01-25	1978-12-31
1979	1979-01-12	1979-10-31
1983	1983-05-08	1983-11-30
1984	1984-01-21	1984-12-31
1985	1985-04-01	1985-12-31
1987	1987-01-04	1987-12-27
1988	1988-02-01	1988-12-31
1989	1989-01-01	1989-12-28
1990	1990-01-18	1990-11-30
1991	1991-03-05	1991-08-15
1992	1992-06-13	1992-09-22
1993	1993-04-28	1993-12-29
1994	1994-04-12	1994-06-08
1995	1995-03-23	1995-08-01
1996	1996-04-19	1996-06-30
1999	1999-01-14	1999-06-05
2002	2002-04-08	2002-06-17
2003	2003-03-08	2003-07-23
2004	2004-04-20	2004-05-29
2005	2005-04-06	2005-10-20
2006	2006-03-13	2006-06-19
2007	2007-04-18	2007-10-18
2009	2009-04-05	2009-10-06
2010	2010-04-05	2010-06-27
2011	2011-03-03	2011-06-21
2012	2012-04-26	2012-06-18

Every Fixed Threshold

Fixed thresholds at El Rusio
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	36	292	1988	36
35 C (95 F): Days	23	104	1989	5
40 C (104 F): Days	3	7	1989	6
90 F (32.2 C): Days	32	190	1989	2
100 F (37.8 C): Days	9	29	1988	1
0 C (32 F): Frost days (min	38	114	1999	17
-10 C (14 F): Days with min	4	5	2003	3
20 C (68 F): Tropical nights (min	3	4	1987	4
10 mm (0.39 in): Days with 10 mm or more rain	39	18	1992	15
25 mm (0.98 in): Days with 25 mm or more rain	34	6	1976	5
50 mm (1.97 in): Days with 50 mm or more rain	14	2	2011	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1967.

Download the Data

Data for El Rusio 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).

El Rusio Threshold Days by Year (MXN00032015)

Key Facts for El Rusio Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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