Hacienda la Patera Weather Records (MXN00009025)

Record envelope, standing records and threshold days for Hacienda la Patera (MXN00009025), Mexico, with 36 years of record.

Key Facts for Hacienda la Patera

Hacienda la Patera (MXN00009025) is a weather station in Mexico at 19.50 latitude and -99.15 longitude, 2,240 m (7,349 ft) above sea level.
The station reports from 1961 to 1996, 36 years of record.
1,464 records set at Hacienda la Patera still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 19.50 latitude, -99.15 longitude.
Elevation: 2,240 m (7,349 ft).
Period of record: 1961 to 1996, 36 years.
Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Hacienda la Patera. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Hacienda la Patera, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	28.9 C (84.0 F)	-3.3 C (26.1 F)	n/a	n/a
Feb	30.0 C (86.0 F)	-1.1 C (30.0 F)	n/a	n/a
Mar	31.1 C (88.0 F)	0.0 C (32.0 F)	n/a	n/a
Apr	32.8 C (91.0 F)	0.0 C (32.0 F)	n/a	n/a
May	35.0 C (95.0 F)	0.6 C (33.1 F)	n/a	n/a
Jun	31.7 C (89.1 F)	0.6 C (33.1 F)	n/a	n/a
Jul	28.9 C (84.0 F)	3.9 C (39.0 F)	n/a	n/a
Aug	30.0 C (86.0 F)	5.0 C (41.0 F)	n/a	n/a
Sep	29.4 C (84.9 F)	0.0 C (32.0 F)	n/a	n/a
Oct	30.0 C (86.0 F)	0.0 C (32.0 F)	n/a	n/a
Nov	28.9 C (84.0 F)	0.0 C (32.0 F)	n/a	n/a
Dec	29.4 C (84.9 F)	-1.1 C (30.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Hacienda la Patera still stand. 1981 holds the most, with 152.

Standing records at Hacienda la Patera by the year they were set
Year set	Standing records
1967	33
1968	51
1969	64
1970	47
1971	26
1972	34
1973	67
1974	21
1975	16
1976	36
1977	49
1978	38
1979	34
1980	41
1981	152
1982	66
1983	74
1984	33
1985	26
1986	42
1987	96
1988	79
1989	100
1990	20
1994	38
1995	48
1996	133

Wettest Day of Each Month

Jun: 83.1 mm (3.3 in)

The wettest day on record for each calendar month at Hacienda la Patera. The most was 83.1 mm (3.3 in) on 9 June 1962.

Record daily precipitation for each month at Hacienda la Patera
Month	Record daily precipitation (mm)	Date
Jan	40.1 mm (1.6 in)	10 January 1967
Feb	20.8 mm (0.8 in)	21 February 1965
Mar	62.0 mm (2.4 in)	30 March 1969
Apr	63.0 mm (2.5 in)	13 April 1962
May	43.9 mm (1.7 in)	2 May 1970
Jun	83.1 mm (3.3 in)	9 June 1962
Jul	40.4 mm (1.6 in)	19 July 1980
Aug	47.5 mm (1.9 in)	2 August 1969
Sep	47.8 mm (1.9 in)	30 September 1977
Oct	80.8 mm (3.2 in)	23 October 1972
Nov	19.8 mm (0.8 in)	7 November 1978
Dec	18.8 mm (0.7 in)	7 December 1977

Period of Record Coverage

1967 to 1996

27 years of record at Hacienda la Patera, 1967 to 1996. 4 years have data for under 90 percent of days and are left out of rankings: 1967, 1990, 1994, 1995.

Days with data per year at Hacienda la Patera
Year	Days with data	Share of year	Complete
1967	274	75%	No
1968	366	100%	Yes
1969	364	100%	Yes
1970	365	100%	Yes
1971	365	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	337	92%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	364	100%	Yes
1979	364	100%	Yes
1980	365	100%	Yes
1981	362	99%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	366	100%	Yes
1985	365	100%	Yes
1986	364	100%	Yes
1987	364	100%	Yes
1988	366	100%	Yes
1989	334	92%	Yes
1990	126	35%	No
1994	61	17%	No
1995	181	50%	No
1996	366	100%	Yes

Latest Records

No records were set at this station in the latest data.

Climate Trend

20 complete years, 1968 to 1988

One stripe for each of 20 complete years at Hacienda la Patera, 1968 to 1988. Blue stripes are years cooler than the station's own mean of 16.7 C (62.0 F); red stripes are warmer. The coolest year was 1981, at 15.0 C (59.0 F), and the warmest was 1983, at 17.5 C (63.5 F). The strongest colour marks a difference of 1.7 C (3.1 F).

Annual mean temperature at Hacienda la Patera as warming stripes, 1968 to 1988
Year	Annual mean temperature	Difference from the station mean
1968	15.9 C	-0.77 C
1969	16.6 C	-0.06 C
1970	16.3 C	-0.36 C
1971	16.3 C	-0.34 C
1972	16.5 C	-0.19 C
1973	16.8 C	+0.12 C
1974	16.2 C	-0.53 C
1976	16.1 C	-0.58 C
1977	16.7 C	+0.04 C
1978	16.8 C	+0.16 C
1979	16.9 C	+0.23 C
1980	17.1 C	+0.41 C
1981	15.0 C	-1.68 C
1982	17.1 C	+0.39 C
1983	17.5 C	+0.83 C
1984	17.0 C	+0.29 C
1985	16.9 C	+0.23 C
1986	17.1 C	+0.45 C
1987	17.4 C	+0.70 C
1988	17.3 C	+0.63 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1961 to 1996

Yearly extremes at Hacienda la Patera: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.0 C (95.0 F)	1983	30.6 C (87.1 F)	27
Coldest night (TNn)	-3.3 C (26.1 F)	1981	0.0 C (32.0 F)	27
Wettest day (Rx1day)	83.1 mm (3.3 in)	1962	39.9 mm (1.6 in)	33
Wettest five days (Rx5day)	114.5 mm (4.5 in)	1968	71.5 mm (2.8 in)	33
Longest dry spell (CDD)	334 days	1989	64 days	33

Hottest day (TXx)

The hottest day of the year at Hacienda la Patera, 1961 to 1996. The record is 35.0 C (95.0 F) in 1983, marked on the chart; the median year is 30.6 C (87.1 F).

Hottest day (TXx) at Hacienda la Patera by year
Year	Hottest day (TXx)
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	30.6 C (87.1 F)
1968	29.4 C (84.9 F)
1969	31.1 C (88.0 F)
1970	32.2 C (90.0 F)
1971	31.7 C (89.1 F)
1972	30.6 C (87.1 F)
1973	32.8 C (91.0 F)
1974	32.8 C (91.0 F)
1975	30.0 C (86.0 F)
1976	30.0 C (86.0 F)
1977	30.6 C (87.1 F)
1978	32.8 C (91.0 F)
1979	30.6 C (87.1 F)
1980	30.6 C (87.1 F)
1981	30.0 C (86.0 F)
1982	31.7 C (89.1 F)
1983	35.0 C (95.0 F)
1984	32.8 C (91.0 F)
1985	30.6 C (87.1 F)
1986	30.6 C (87.1 F)
1987	31.7 C (89.1 F)
1988	33.9 C (93.0 F)
1989	26.7 C (80.1 F)
1990	23.9 C (75.0 F)
1994	22.8 C (73.0 F)
1995	26.7 C (80.1 F)
1996	26.7 C (80.1 F)

Coldest night (TNn)

The coldest night of the year at Hacienda la Patera, 1961 to 1996. The record is -3.3 C (26.1 F) in 1981, marked on the chart; the median year is 0.0 C (32.0 F).

Coldest night (TNn) at Hacienda la Patera by year
Year	Coldest night (TNn)
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	2.2 C (36.0 F)
1968	-1.1 C (30.0 F)
1969	0.6 C (33.1 F)
1970	0.0 C (32.0 F)
1971	0.6 C (33.1 F)
1972	0.0 C (32.0 F)
1973	-2.2 C (28.0 F)
1974	0.6 C (33.1 F)
1975	0.6 C (33.1 F)
1976	0.0 C (32.0 F)
1977	0.6 C (33.1 F)
1978	1.7 C (35.1 F)
1979	2.8 C (37.0 F)
1980	0.6 C (33.1 F)
1981	-3.3 C (26.1 F)
1982	1.7 C (35.1 F)
1983	-1.1 C (30.0 F)
1984	1.7 C (35.1 F)
1985	0.6 C (33.1 F)
1986	0.0 C (32.0 F)
1987	0.0 C (32.0 F)
1988	0.0 C (32.0 F)
1989	0.0 C (32.0 F)
1990	0.0 C (32.0 F)
1994	0.0 C (32.0 F)
1995	0.0 C (32.0 F)
1996	-1.7 C (28.9 F)

Wettest day (Rx1day)

The wettest day of the year at Hacienda la Patera, 1961 to 1996. The record is 83.1 mm (3.3 in) in 1962, marked on the chart; the median year is 39.9 mm (1.6 in).

Wettest day (Rx1day) at Hacienda la Patera by year
Year	Wettest day (Rx1day)
1961	40.6 mm (1.6 in)
1962	83.1 mm (3.3 in)
1963	40.1 mm (1.6 in)
1964	45.0 mm (1.8 in)
1965	39.9 mm (1.6 in)
1966	30.0 mm (1.2 in)
1967	40.1 mm (1.6 in)
1968	35.8 mm (1.4 in)
1969	62.0 mm (2.4 in)
1970	43.9 mm (1.7 in)
1971	35.8 mm (1.4 in)
1972	80.8 mm (3.2 in)
1973	46.0 mm (1.8 in)
1974	39.9 mm (1.6 in)
1975	31.8 mm (1.3 in)
1976	39.9 mm (1.6 in)
1977	47.8 mm (1.9 in)
1978	39.9 mm (1.6 in)
1979	23.9 mm (0.9 in)
1980	40.4 mm (1.6 in)
1981	37.8 mm (1.5 in)
1982	38.9 mm (1.5 in)
1983	34.8 mm (1.4 in)
1984	31.0 mm (1.2 in)
1985	30.0 mm (1.2 in)
1986	37.8 mm (1.5 in)
1987	30.5 mm (1.2 in)
1988	41.9 mm (1.6 in)
1989	0.0 mm (0.00 in)
1990	0.0 mm (0.00 in)
1994	0.0 mm (0.00 in)
1995	0.0 mm (0.00 in)
1996	39.9 mm (1.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Hacienda la Patera, 1961 to 1996. The record is 114.5 mm (4.5 in) in 1968, marked on the chart; the median year is 71.5 mm (2.8 in).

Wettest five days (Rx5day) at Hacienda la Patera by year
Year	Wettest five days (Rx5day)
1961	95.3 mm (3.8 in)
1962	98.1 mm (3.9 in)
1963	60.3 mm (2.4 in)
1964	84.3 mm (3.3 in)
1965	77.2 mm (3.0 in)
1966	58.1 mm (2.3 in)
1967	80.6 mm (3.2 in)
1968	114.5 mm (4.5 in)
1969	83.0 mm (3.3 in)
1970	69.4 mm (2.7 in)
1971	87.4 mm (3.4 in)
1972	90.2 mm (3.6 in)
1973	74.3 mm (2.9 in)
1974	98.6 mm (3.9 in)
1975	85.1 mm (3.4 in)
1976	78.2 mm (3.1 in)
1977	60.4 mm (2.4 in)
1978	67.8 mm (2.7 in)
1979	66.6 mm (2.6 in)
1980	83.2 mm (3.3 in)
1981	52.3 mm (2.1 in)
1982	70.4 mm (2.8 in)
1983	81.3 mm (3.2 in)
1984	71.5 mm (2.8 in)
1985	62.2 mm (2.4 in)
1986	71.2 mm (2.8 in)
1987	46.7 mm (1.8 in)
1988	86.9 mm (3.4 in)
1989	0.0 mm (0.00 in)
1990	0.0 mm (0.00 in)
1994	0.0 mm (0.00 in)
1995	0.0 mm (0.00 in)
1996	49.8 mm (2.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Hacienda la Patera, 1961 to 1996. The record is 334 days in 1989, marked on the chart; the median year is 64 days.

Longest dry spell (CDD) at Hacienda la Patera by year
Year	Longest dry spell (CDD)
1961	93 days
1962	52 days
1963	64 days
1964	47 days
1965	51 days
1966	58 days
1967	64 days
1968	55 days
1969	38 days
1970	63 days
1971	94 days
1972	85 days
1973	57 days
1974	66 days
1975	65 days
1976	55 days
1977	60 days
1978	43 days
1979	74 days
1980	58 days
1981	35 days
1982	76 days
1983	55 days
1984	82 days
1985	95 days
1986	105 days
1987	70 days
1988	81 days
1989	334 days
1990	151 days
1994	61 days
1995	181 days
1996	220 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

Data for Hacienda la Patera standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Hacienda la Patera 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).