Calera Threshold Days by Year (MXN00014025)

9 fixed thresholds counted per year at Calera (MXN00014025): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Calera Thresholds

Calera: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1992 with 46.
Calera: days with a maximum temperature at or above 30 C (86 F) in 41 years, most in 2010 with 149.
Calera: days with a maximum temperature at or above 90 F (32.2 C) in 40 years, most in 2010 with 49.
Calera: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1992 with 24.
9 fixed thresholds have at least one qualifying day at Calera.

Days at or above 30 C (86 F)

41 years with a qualifying day

Days per year at Calera with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 149 in 2010.

Days at or above 30 C (86 F) per year at Calera
Year	Days	Decade average
1962	123	66.3
1963	61	66.3
1964	57	66.3
1965	67	66.3
1967	45	66.3
1968	45	66.3
1970	63	53.1
1971	41	53.1
1972	54	53.1
1973	43	53.1
1974	54	53.1
1975	53	53.1
1976	33	53.1
1977	46	53.1
1978	61	53.1
1979	83	53.1
1980	69	63.8
1981	43	63.8
1982	107	63.8
1983	63	63.8
1984	60	63.8
1985	60	63.8
1986	68	63.8
1987	44	63.8
1988	67	63.8
1989	57	63.8
1990	56	59.3
1991	79	59.3
1992	23	59.3
1993	53	59.3
1994	67	59.3
1998	76	59.3
1999	61	59.3
2000	93	88.6
2001	48	88.6
2002	84	88.6
2003	82	88.6
2004	56	88.6
2005	114	88.6
2006	143	88.6
2010	149	149

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

First to last qualifying date each year at Calera
Year	First date	Last date
1962	1962-03-29	1962-10-21
1963	1963-03-18	1963-06-12
1964	1964-04-08	1964-06-18
1965	1965-04-03	1965-06-27
1967	1967-03-13	1967-08-06
1968	1968-03-31	1968-09-24
1970	1970-03-24	1970-07-12
1971	1971-03-29	1971-06-10
1972	1972-04-04	1972-06-26
1973	1973-04-30	1973-06-20
1974	1974-04-18	1974-06-28
1975	1975-03-19	1975-06-16
1976	1976-03-28	1976-06-24
1977	1977-03-15	1977-10-11
1978	1978-03-22	1978-07-24
1979	1979-03-29	1979-07-26
1980	1980-03-09	1980-10-18
1981	1981-04-01	1981-08-11
1982	1982-02-12	1982-10-01
1983	1983-04-01	1983-06-29
1984	1984-03-15	1984-06-10
1985	1985-03-03	1985-10-19
1986	1986-02-20	1986-11-20
1987	1987-04-01	1987-07-06
1988	1988-03-24	1988-11-09
1989	1989-03-18	1989-11-08
1990	1990-03-13	1990-06-20
1991	1991-03-05	1991-06-29
1992	1992-03-21	1992-07-07
1993	1993-02-13	1993-12-23
1994	1994-03-18	1994-07-13
1998	1998-03-24	1998-07-13
1999	1999-03-24	1999-12-31
2000	2000-01-01	2000-11-19
2001	2001-04-02	2001-10-29
2002	2002-03-18	2002-06-27
2003	2003-03-03	2003-06-20
2004	2004-03-07	2004-06-13
2005	2005-03-20	2005-11-15
2006	2006-02-17	2006-11-14
2010	2010-03-23	2010-12-02

Every Fixed Threshold

Fixed thresholds at Calera
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	41	149	2010	149
35 C (95 F): Days	22	18	2005	13
90 F (32.2 C): Days	40	49	2010	49
100 F (37.8 C): Days	5	2	1982	1
0 C (32 F): Frost days (min	30	72	2002	42
10 mm (0.39 in): Days with 10 mm or more rain	47	46	1992	13
25 mm (0.98 in): Days with 25 mm or more rain	39	24	1992	3
50 mm (1.97 in): Days with 50 mm or more rain	20	8	1991	1
100 mm (3.94 in): Days with 100 mm or more rain	3	2	1994	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

Download the Data

Data for Calera 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).

Calera Threshold Days by Year (MXN00014025)

Key Facts for Calera Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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