Presa Guaracha Threshold Days by Year (MXN00016094)

10 fixed thresholds counted per year at Presa Guaracha (MXN00016094): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Presa Guaracha Thresholds

Presa Guaracha: days with a maximum temperature at or above 30 C (86 F) in 52 years, most in 1994 with 161.
Presa Guaracha: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1983 with 39.
Presa Guaracha: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1983 with 15.
Presa Guaracha: days with a maximum temperature at or above 90 F (32.2 C) in 49 years, most in 1991 with 79.
10 fixed thresholds have at least one qualifying day at Presa Guaracha.

Days at or above 30 C (86 F)

52 years with a qualifying day

Days per year at Presa Guaracha with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 161 in 1994.

Days at or above 30 C (86 F) per year at Presa Guaracha
Year	Days	Decade average
1944	79	85.5
1945	104	85.5
1946	89	85.5
1947	83	85.5
1948	77	85.5
1949	81	85.5
1950	87	58.6
1952	122	58.6
1953	57	58.6
1954	53	58.6
1955	71	58.6
1956	35	58.6
1957	49	58.6
1958	46	58.6
1959	7	58.6
1960	46	38.9
1961	32	38.9
1962	30	38.9
1963	33	38.9
1965	41	38.9
1966	37	38.9
1967	51	38.9
1968	41	38.9
1970	56	50.5
1971	50	50.5
1972	50	50.5
1973	40	50.5
1974	44	50.5
1975	48	50.5
1976	43	50.5
1977	35	50.5
1978	48	50.5
1979	91	50.5
1980	64	93.7
1981	52	93.7
1982	124	93.7
1983	100	93.7
1984	80	93.7
1985	85	93.7
1986	115	93.7
1987	86	93.7
1988	96	93.7
1989	135	93.7
1990	103	127.8
1991	136	127.8
1992	94	127.8
1993	140	127.8
1994	161	127.8
1995	142	127.8
1996	106	127.8
1997	122	127.8
1998	146	127.8

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

First to last qualifying date each year at Presa Guaracha
Year	First date	Last date
1944	1944-03-23	1944-08-21
1945	1945-03-04	1945-08-02
1946	1946-02-01	1946-07-28
1947	1947-03-21	1947-10-19
1948	1948-03-11	1948-11-03
1949	1949-03-04	1949-06-15
1950	1950-02-26	1950-06-16
1952	1952-02-24	1952-08-25
1953	1953-03-04	1953-06-15
1954	1954-03-20	1954-07-10
1955	1955-02-27	1955-06-22
1956	1956-02-25	1956-05-11
1957	1957-04-13	1957-06-18
1958	1958-03-15	1958-06-12
1959	1959-04-26	1959-05-29
1960	1960-03-29	1960-06-19
1961	1961-04-13	1961-06-08
1962	1962-04-12	1962-06-17
1963	1963-04-12	1963-06-12
1965	1965-04-03	1965-07-17
1966	1966-03-05	1966-08-03
1967	1967-03-11	1967-08-02
1968	1968-03-31	1968-06-11
1970	1970-03-25	1970-06-21
1971	1971-03-02	1971-06-02
1972	1972-04-04	1972-07-09
1973	1973-03-27	1973-06-20
1974	1974-03-21	1974-06-08
1975	1975-03-07	1975-06-16
1976	1976-03-16	1976-06-21
1977	1977-03-15	1977-06-05
1978	1978-03-26	1978-06-27
1979	1979-03-15	1979-10-22
1980	1980-03-09	1980-07-03
1981	1981-04-05	1981-11-28
1982	1982-02-11	1982-11-23
1983	1983-02-28	1983-12-24
1984	1984-03-15	1984-11-27
1985	1985-02-11	1985-11-16
1986	1986-02-18	1986-11-23
1987	1987-03-18	1987-12-08
1988	1988-02-02	1988-08-29
1989	1989-01-01	1989-12-31
1990	1990-01-01	1990-11-25
1991	1991-02-11	1991-09-03
1992	1992-03-03	1992-09-21
1993	1993-01-16	1993-11-20
1994	1994-02-05	1994-12-14
1995	1995-01-08	1995-12-04
1996	1996-01-29	1996-11-05
1997	1997-02-11	1997-11-05
1998	1998-02-17	1998-12-26

Every Fixed Threshold

Fixed thresholds at Presa Guaracha
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	52	161	1994	146
35 C (95 F): Days	26	45	1989	44
90 F (32.2 C): Days	49	79	1991	75
100 F (37.8 C): Days	6	8	1989	2
0 C (32 F): Frost days (min	37	51	1962	5
20 C (68 F): Tropical nights (min	4	10	1995	2
25 C (77 F): Days with min	1	1	1995	1
10 mm (0.39 in): Days with 10 mm or more rain	52	39	1983	21
25 mm (0.98 in): Days with 25 mm or more rain	52	15	1983	6
50 mm (1.97 in): Days with 50 mm or more rain	25	5	1992	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

Data for Presa Guaracha 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).

Presa Guaracha Threshold Days by Year (MXN00016094)

Key Facts for Presa Guaracha Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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