Los Pilares Threshold Days by Year (MXN00024038)

11 fixed thresholds counted per year at Los Pilares (MXN00024038): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Los Pilares Thresholds

Los Pilares: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1967 with 22.
Los Pilares: nights with a minimum temperature at or below 0 C (32 F) in 41 years, most in 2003 with 37.
Los Pilares: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1967 with 8.
Los Pilares: days with a maximum temperature at or above 30 C (86 F) in 40 years, most in 1977 with 251.
11 fixed thresholds have at least one qualifying day at Los Pilares.

Days at or above 30 C (86 F)

40 years with a qualifying day

Days per year at Los Pilares with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 251 in 1977.

Days at or above 30 C (86 F) per year at Los Pilares
Year	Days	Decade average
1963	149	168.3
1964	185	168.3
1965	172	168.3
1966	164	168.3
1967	158	168.3
1968	138	168.3
1969	212	168.3
1970	191	175.6
1971	142	175.6
1972	188	175.6
1973	202	175.6
1974	212	175.6
1975	226	175.6
1976	192	175.6
1977	251	175.6
1978	106	175.6
1979	46	175.6
1982	144	103.1
1983	106	103.1
1984	82	103.1
1985	81	103.1
1987	89	103.1
1988	97	103.1
1989	123	103.1
1990	113	119
1991	120	119
1992	72	119
1993	94	119
1994	129	119
1995	136	119
1996	139	119
1998	136	119
1999	132	119
2000	138	112
2001	101	112
2002	108	112
2003	113	112
2004	85	112
2005	118	112
2006	121	112

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

First to last qualifying date each year at Los Pilares
Year	First date	Last date
1963	1963-01-12	1963-11-22
1964	1964-02-12	1964-12-31
1965	1965-02-08	1965-12-12
1966	1966-03-01	1966-12-09
1967	1967-01-31	1967-11-27
1968	1968-01-03	1968-12-29
1969	1969-01-23	1969-12-25
1970	1970-01-12	1970-12-30
1971	1971-01-03	1971-12-20
1972	1972-01-09	1972-12-23
1973	1973-01-08	1973-12-31
1974	1974-01-03	1974-12-31
1975	1975-01-11	1975-12-23
1976	1976-01-06	1976-12-20
1977	1977-01-04	1977-11-24
1978	1978-01-29	1978-09-13
1979	1979-03-10	1979-10-21
1982	1982-01-19	1982-10-08
1983	1983-03-07	1983-11-20
1984	1984-03-03	1984-11-09
1985	1985-01-28	1985-11-16
1987	1987-02-16	1987-10-19
1988	1988-02-02	1988-11-16
1989	1989-01-08	1989-11-15
1990	1990-01-28	1990-12-16
1991	1991-02-15	1991-11-01
1992	1992-03-06	1992-11-12
1993	1993-01-13	1993-10-21
1994	1994-02-04	1994-11-28
1995	1995-02-13	1995-12-07
1996	1996-01-26	1996-11-21
1998	1998-02-22	1998-12-21
1999	1999-02-01	1999-10-17
2000	2000-02-11	2000-11-17
2001	2001-02-16	2001-10-25
2002	2002-02-25	2002-10-09
2003	2003-02-24	2003-11-23
2004	2004-03-01	2004-11-29
2005	2005-01-29	2005-11-15
2006	2006-02-05	2006-11-01

Every Fixed Threshold

Fixed thresholds at Los Pilares
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	40	251	1977	121
35 C (95 F): Days	39	140	1977	17
40 C (104 F): Days	9	17	1978	1
90 F (32.2 C): Days	40	204	1977	49
100 F (37.8 C): Days	27	39	1977	1
110 F (43.3 C): Days	1	2	1978	2
0 C (32 F): Frost days (min	41	37	2003	16
20 C (68 F): Tropical nights (min	8	11	1973	3
10 mm (0.39 in): Days with 10 mm or more rain	42	22	1967	6
25 mm (0.98 in): Days with 25 mm or more rain	41	8	1967	2
50 mm (1.97 in): Days with 50 mm or more rain	14	2	1994	1

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

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Data for Los Pilares 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).

Los Pilares Threshold Days by Year (MXN00024038)

Key Facts for Los Pilares Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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