Rio Salado Threshold Days by Year (MXN00013090)

8 fixed thresholds counted per year at Rio Salado (MXN00013090): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rio Salado Thresholds

Rio Salado: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1973 with 34.
Rio Salado: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 2001 with 102.
Rio Salado: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1973 with 9.
Rio Salado: nights with a minimum temperature at or below 0 C (32 F) in 38 years, most in 1970 with 32.
8 fixed thresholds have at least one qualifying day at Rio Salado.

Days at or above 30 C (86 F)

39 years with a qualifying day

Days per year at Rio Salado with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 102 in 2001.

Days at or above 30 C (86 F) per year at Rio Salado
Year	Days	Decade average
1967	24	35
1969	46	35
1970	50	39.6
1971	34	39.6
1972	39	39.6
1973	60	39.6
1974	28	39.6
1975	49	39.6
1976	19	39.6
1977	34	39.6
1978	38	39.6
1979	45	39.6
1980	21	33.3
1981	18	33.3
1982	57	33.3
1983	64	33.3
1984	34	33.3
1985	7	33.3
1986	28	33.3
1987	31	33.3
1988	39	33.3
1989	34	33.3
1990	16	36.1
1991	52	36.1
1992	10	36.1
1993	19	36.1
1994	26	36.1
1997	34	36.1
1998	85	36.1
1999	47	36.1
2000	56	39.1
2001	102	39.1
2002	43	39.1
2003	47	39.1
2004	10	39.1
2005	28	39.1
2006	11	39.1
2007	23	39.1
2008	32	39.1

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

First to last qualifying date each year at Rio Salado
Year	First date	Last date
1967	1967-03-12	1967-08-01
1969	1969-03-01	1969-06-23
1970	1970-03-16	1970-10-24
1971	1971-02-20	1971-05-24
1972	1972-03-20	1972-06-24
1973	1973-02-07	1973-06-19
1974	1974-03-20	1974-08-28
1975	1975-02-17	1975-10-25
1976	1976-03-11	1976-06-15
1977	1977-03-04	1977-10-28
1978	1978-02-27	1978-05-18
1979	1979-01-26	1979-10-21
1980	1980-03-06	1980-05-15
1981	1981-03-21	1981-05-18
1982	1982-03-06	1982-09-28
1983	1983-03-06	1983-06-28
1984	1984-03-25	1984-05-07
1985	1985-03-30	1985-05-15
1986	1986-03-03	1986-10-01
1987	1987-01-17	1987-12-19
1988	1988-02-17	1988-06-03
1989	1989-03-02	1989-07-17
1990	1990-02-02	1990-05-31
1991	1991-03-06	1991-06-02
1992	1992-03-17	1992-07-01
1993	1993-02-15	1993-06-05
1994	1994-03-08	1994-05-28
1997	1997-02-05	1997-06-16
1998	1998-03-14	1998-06-25
1999	1999-03-25	1999-06-11
2000	2000-03-23	2000-07-18
2001	2001-01-12	2001-06-12
2002	2002-01-18	2002-08-12
2003	2003-03-02	2003-05-30
2004	2004-03-02	2004-10-18
2005	2005-03-30	2005-07-03
2006	2006-04-12	2006-05-09
2007	2007-03-02	2007-06-12
2008	2008-04-04	2008-05-14

Every Fixed Threshold

Fixed thresholds at Rio Salado
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	39	102	2001	32
35 C (95 F): Days	9	5	1970	2
90 F (32.2 C): Days	29	27	1970	4
100 F (37.8 C): Days	1	1	1971	1
0 C (32 F): Frost days (min	38	32	1970	4
10 mm (0.39 in): Days with 10 mm or more rain	40	34	1973	7
25 mm (0.98 in): Days with 25 mm or more rain	39	9	1973	3
50 mm (1.97 in): Days with 50 mm or more rain	8	2	1976	1

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 Rio Salado 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).

Rio Salado Threshold Days by Year (MXN00013090)

Key Facts for Rio Salado Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related