Potrero de Gallegos Weather Records (MXN00032135)

Record envelope, standing records and threshold days for Potrero de Gallegos (MXN00032135), Mexico, with 32 years of record.

Key Facts for Potrero de Gallegos

Potrero de Gallegos (MXN00032135) is a weather station in Mexico at 22.63 latitude and -103.68 longitude, 2,017 m (6,617 ft) above sea level.
The station reports from 1981 to 2012, 32 years of record.
1,464 records set at Potrero de Gallegos still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 22.63 latitude, -103.68 longitude.
Elevation: 2,017 m (6,617 ft).
Period of record: 1981 to 2012, 32 years.
Eligible elements: none yet.

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 Potrero de Gallegos. 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 Potrero de Gallegos, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	29.4 C (84.9 F)	-10.0 C (14.0 F)	n/a	n/a
Feb	30.0 C (86.0 F)	-8.9 C (16.0 F)	n/a	n/a
Mar	32.2 C (90.0 F)	-8.9 C (16.0 F)	n/a	n/a
Apr	36.1 C (97.0 F)	-6.1 C (21.0 F)	n/a	n/a
May	36.1 C (97.0 F)	-1.1 C (30.0 F)	n/a	n/a
Jun	35.6 C (96.1 F)	1.7 C (35.1 F)	n/a	n/a
Jul	32.8 C (91.0 F)	6.7 C (44.1 F)	n/a	n/a
Aug	31.7 C (89.1 F)	5.0 C (41.0 F)	n/a	n/a
Sep	31.7 C (89.1 F)	0.0 C (32.0 F)	n/a	n/a
Oct	31.7 C (89.1 F)	-4.4 C (24.1 F)	n/a	n/a
Nov	28.9 C (84.0 F)	-7.8 C (18.0 F)	n/a	n/a
Dec	29.4 C (84.9 F)	-10.0 C (14.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Potrero de Gallegos still stand. 1997 holds the most, with 91.

Standing records at Potrero de Gallegos by the year they were set
Year set	Standing records
1981	29
1982	53
1983	51
1984	64
1985	41
1986	35
1987	72
1988	48
1989	54
1990	33
1991	48
1992	79
1993	43
1994	30
1995	50
1996	76
1997	91
1998	59
1999	37
2000	77
2001	70
2002	56
2003	36
2004	55
2005	1
2007	30
2009	38
2010	55
2011	27
2012	26

Wettest Day of Each Month

Nov: 81.0 mm (3.2 in)

The wettest day on record for each calendar month at Potrero de Gallegos. The most was 81.0 mm (3.2 in) on 30 November 2009.

Record daily precipitation for each month at Potrero de Gallegos
Month	Record daily precipitation (mm)	Date
Jan	46.0 mm (1.8 in)	16 January 1985
Feb	53.8 mm (2.1 in)	2 February 2010
Mar	22.9 mm (0.9 in)	30 March 2004
Apr	23.9 mm (0.9 in)	3 April 1997
May	58.9 mm (2.3 in)	27 May 1983
Jun	74.9 mm (2.9 in)	17 June 2009
Jul	63.8 mm (2.5 in)	2 July 1998
Aug	47.8 mm (1.9 in)	12 August 1995
Sep	59.9 mm (2.4 in)	19 September 1985
Oct	59.9 mm (2.4 in)	25 October 2002
Nov	81.0 mm (3.2 in)	30 November 2009
Dec	49.8 mm (2.0 in)	7 December 2009

Period of Record Coverage

1981 to 2012

30 years of record at Potrero de Gallegos, 1981 to 2012. 5 years have data for under 90 percent of days and are left out of rankings: 1981, 1982, 1986, 2003, 2005.

Days with data per year at Potrero de Gallegos
Year	Days with data	Share of year	Complete
1981	154	42%	No
1982	303	83%	No
1983	365	100%	Yes
1984	366	100%	Yes
1985	365	100%	Yes
1986	273	75%	No
1987	364	100%	Yes
1988	366	100%	Yes
1989	365	100%	Yes
1990	365	100%	Yes
1991	365	100%	Yes
1992	366	100%	Yes
1993	365	100%	Yes
1994	356	98%	Yes
1995	364	100%	Yes
1996	365	100%	Yes
1997	365	100%	Yes
1998	360	99%	Yes
1999	359	98%	Yes
2000	364	99%	Yes
2001	346	95%	Yes
2002	363	99%	Yes
2003	323	88%	No
2004	360	98%	Yes
2005	31	8%	No
2007	363	99%	Yes
2009	362	99%	Yes
2010	365	100%	Yes
2011	358	98%	Yes
2012	361	99%	Yes

Latest Records

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

Climate Trend

22 complete years, 1983 to 2012

One stripe for each of 22 complete years at Potrero de Gallegos, 1983 to 2012. Blue stripes are years cooler than the station's own mean of 15.0 C (59.1 F); red stripes are warmer. The coolest year was 1987, at 13.9 C (57.0 F), and the warmest was 1998, at 16.6 C (61.9 F). The strongest colour marks a difference of 1.6 C (2.9 F).

Annual mean temperature at Potrero de Gallegos as warming stripes, 1983 to 2012
Year	Annual mean temperature	Difference from the station mean
1983	14.4 C	-0.60 C
1984	15.0 C	-0.01 C
1985	14.9 C	-0.11 C
1987	13.9 C	-1.15 C
1988	14.8 C	-0.21 C
1989	15.3 C	+0.24 C
1990	15.0 C	-0.06 C
1991	14.7 C	-0.32 C
1992	14.1 C	-0.97 C
1993	14.3 C	-0.74 C
1994	15.0 C	-0.01 C
1995	15.0 C	-0.04 C
1996	15.9 C	+0.87 C
1997	16.1 C	+1.09 C
1998	16.6 C	+1.58 C
2002	16.3 C	+1.25 C
2004	14.6 C	-0.45 C
2007	14.8 C	-0.26 C
2009	15.2 C	+0.15 C
2010	14.2 C	-0.87 C
2011	15.5 C	+0.43 C
2012	15.3 C	+0.27 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

1981 to 2012

Yearly extremes at Potrero de Gallegos: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.1 C (97.0 F)	1989	33.9 C (93.0 F)	30
Coldest night (TNn)	-10.0 C (14.0 F)	1994	-7.2 C (19.0 F)	30
Wettest day (Rx1day)	81.0 mm (3.2 in)	2009	42.2 mm (1.7 in)	30
Wettest five days (Rx5day)	136.2 mm (5.4 in)	1992	87.7 mm (3.5 in)	30
Longest dry spell (CDD)	160 days	1991	97 days	30

Hottest day (TXx)

The hottest day of the year at Potrero de Gallegos, 1981 to 2012. The record is 36.1 C (97.0 F) in 1989, marked on the chart; the median year is 33.9 C (93.0 F).

Hottest day (TXx) at Potrero de Gallegos by year
Year	Hottest day (TXx)
1981	30.0 C (86.0 F)
1982	35.0 C (95.0 F)
1983	33.9 C (93.0 F)
1984	32.8 C (91.0 F)
1985	35.0 C (95.0 F)
1986	33.9 C (93.0 F)
1987	32.8 C (91.0 F)
1988	35.6 C (96.1 F)
1989	36.1 C (97.0 F)
1990	35.6 C (96.1 F)
1991	34.4 C (93.9 F)
1992	33.9 C (93.0 F)
1993	33.3 C (91.9 F)
1994	33.9 C (93.0 F)
1995	34.4 C (93.9 F)
1996	34.4 C (93.9 F)
1997	33.3 C (91.9 F)
1998	35.0 C (95.0 F)
1999	33.9 C (93.0 F)
2000	33.9 C (93.0 F)
2001	36.1 C (97.0 F)
2002	36.1 C (97.0 F)
2003	35.6 C (96.1 F)
2004	31.7 C (89.1 F)
2005	23.9 C (75.0 F)
2007	32.2 C (90.0 F)
2009	32.8 C (91.0 F)
2010	34.4 C (93.9 F)
2011	35.6 C (96.1 F)
2012	33.9 C (93.0 F)

Coldest night (TNn)

The coldest night of the year at Potrero de Gallegos, 1981 to 2012. The record is -10.0 C (14.0 F) in 1994, marked on the chart; the median year is -7.2 C (19.0 F).

Coldest night (TNn) at Potrero de Gallegos by year
Year	Coldest night (TNn)
1981	-3.3 C (26.1 F)
1982	-8.3 C (17.1 F)
1983	-7.2 C (19.0 F)
1984	-4.4 C (24.1 F)
1985	-2.2 C (28.0 F)
1986	-7.2 C (19.0 F)
1987	-7.2 C (19.0 F)
1988	-9.4 C (15.1 F)
1989	-7.2 C (19.0 F)
1990	-7.8 C (18.0 F)
1991	-7.2 C (19.0 F)
1992	-7.2 C (19.0 F)
1993	-8.3 C (17.1 F)
1994	-10.0 C (14.0 F)
1995	-8.9 C (16.0 F)
1996	-8.9 C (16.0 F)
1997	-7.2 C (19.0 F)
1998	-7.8 C (18.0 F)
1999	-5.6 C (21.9 F)
2000	-5.0 C (23.0 F)
2001	-9.4 C (15.1 F)
2002	-8.3 C (17.1 F)
2003	-10.0 C (14.0 F)
2004	-8.9 C (16.0 F)
2005	-6.1 C (21.0 F)
2007	-7.2 C (19.0 F)
2009	-5.6 C (21.9 F)
2010	-7.8 C (18.0 F)
2011	-8.9 C (16.0 F)
2012	-7.2 C (19.0 F)

Wettest day (Rx1day)

The wettest day of the year at Potrero de Gallegos, 1981 to 2012. The record is 81.0 mm (3.2 in) in 2009, marked on the chart; the median year is 42.2 mm (1.7 in).

Wettest day (Rx1day) at Potrero de Gallegos by year
Year	Wettest day (Rx1day)
1981	29.0 mm (1.1 in)
1982	37.8 mm (1.5 in)
1983	58.9 mm (2.3 in)
1984	39.9 mm (1.6 in)
1985	70.4 mm (2.8 in)
1986	39.9 mm (1.6 in)
1987	41.4 mm (1.6 in)
1988	33.8 mm (1.3 in)
1989	34.8 mm (1.4 in)
1990	42.9 mm (1.7 in)
1991	39.9 mm (1.6 in)
1992	48.3 mm (1.9 in)
1993	37.3 mm (1.5 in)
1994	29.0 mm (1.1 in)
1995	47.8 mm (1.9 in)
1996	44.5 mm (1.8 in)
1997	34.3 mm (1.4 in)
1998	63.8 mm (2.5 in)
1999	44.5 mm (1.8 in)
2000	35.8 mm (1.4 in)
2001	30.0 mm (1.2 in)
2002	59.9 mm (2.4 in)
2003	47.8 mm (1.9 in)
2004	46.0 mm (1.8 in)
2005	3.3 mm (0.13 in)
2007	46.5 mm (1.8 in)
2009	81.0 mm (3.2 in)
2010	53.8 mm (2.1 in)
2011	25.9 mm (1.0 in)
2012	47.0 mm (1.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Potrero de Gallegos, 1981 to 2012. The record is 136.2 mm (5.4 in) in 1992, marked on the chart; the median year is 87.7 mm (3.5 in).

Wettest five days (Rx5day) at Potrero de Gallegos by year
Year	Wettest five days (Rx5day)
1981	64.8 mm (2.6 in)
1982	92.2 mm (3.6 in)
1983	131.3 mm (5.2 in)
1984	79.7 mm (3.1 in)
1985	113.7 mm (4.5 in)
1986	81.8 mm (3.2 in)
1987	103.1 mm (4.1 in)
1988	76.8 mm (3.0 in)
1989	67.0 mm (2.6 in)
1990	88.7 mm (3.5 in)
1991	96.5 mm (3.8 in)
1992	136.2 mm (5.4 in)
1993	89.2 mm (3.5 in)
1994	51.1 mm (2.0 in)
1995	77.5 mm (3.1 in)
1996	110.2 mm (4.3 in)
1997	67.8 mm (2.7 in)
1998	78.5 mm (3.1 in)
1999	93.0 mm (3.7 in)
2000	77.7 mm (3.1 in)
2001	65.4 mm (2.6 in)
2002	91.7 mm (3.6 in)
2003	125.9 mm (5.0 in)
2004	75.5 mm (3.0 in)
2005	4.6 mm (0.18 in)
2007	101.1 mm (4.0 in)
2009	101.4 mm (4.0 in)
2010	104.6 mm (4.1 in)
2011	47.7 mm (1.9 in)
2012	86.6 mm (3.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Potrero de Gallegos, 1981 to 2012. The record is 160 days in 1991, marked on the chart; the median year is 97 days.

Longest dry spell (CDD) at Potrero de Gallegos by year
Year	Longest dry spell (CDD)
1981	32 days
1982	123 days
1983	74 days
1984	100 days
1985	81 days
1986	79 days
1987	93 days
1988	100 days
1989	151 days
1990	88 days
1991	160 days
1992	58 days
1993	101 days
1994	78 days
1995	140 days
1996	70 days
1997	36 days
1998	111 days
1999	138 days
2000	134 days
2001	53 days
2002	81 days
2003	103 days
2004	67 days
2005	22 days
2007	120 days
2009	126 days
2010	107 days
2011	122 days
2012	76 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.

Frost Dates and Growing Season

22 years with a frost

Across 22 years with a frost, the median last spring frost at Potrero de Gallegos falls on 21 April and the median first autumn frost on 1 November, which leaves a median of 190 days between them.

Frost dates and growing season at Potrero de Gallegos
Measure	Median, all years	Earliest period	Recent period (1983 to 2012)	Recent against earliest	Fitted trend
Last spring frost	21 April	n/a	21 April	n/a	n/a
First autumn frost	1 November	n/a	1 November	n/a	n/a
Growing days	190 days	n/a	190 days	n/a	n/a

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

Data for Potrero de Gallegos standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Potrero de Gallegos 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). Records are computed by this site and are not official.

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