La Potosina Weather Records (MXN00030268)

Record envelope, standing records and threshold days for La Potosina (MXN00030268), Mexico, with 38 years of record.

Key Facts for La Potosina

La Potosina (MXN00030268) is a weather station in Mexico at 22.32 latitude and -98.13 longitude, 2 m (6 ft) above sea level.
The station reports from 1974 to 2011, 38 years of record.
1,464 records set at La Potosina still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 22.32 latitude, -98.13 longitude.
Elevation: 2 m (6 ft).
Period of record: 1974 to 2011, 38 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 La Potosina. 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 La Potosina, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	35.0 C (95.0 F)	0.0 C (32.0 F)	n/a	n/a
Feb	36.1 C (97.0 F)	3.9 C (39.0 F)	n/a	n/a
Mar	43.9 C (111.0 F)	6.1 C (43.0 F)	n/a	n/a
Apr	43.9 C (111.0 F)	10.0 C (50.0 F)	n/a	n/a
May	45.6 C (114.1 F)	10.6 C (51.1 F)	n/a	n/a
Jun	40.6 C (105.1 F)	17.2 C (63.0 F)	n/a	n/a
Jul	40.0 C (104.0 F)	15.0 C (59.0 F)	n/a	n/a
Aug	40.0 C (104.0 F)	17.8 C (64.0 F)	n/a	n/a
Sep	40.0 C (104.0 F)	14.4 C (57.9 F)	n/a	n/a
Oct	36.7 C (98.1 F)	8.9 C (48.0 F)	n/a	n/a
Nov	35.6 C (96.1 F)	3.3 C (37.9 F)	n/a	n/a
Dec	35.6 C (96.1 F)	-1.1 C (30.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at La Potosina still stand. 1976 holds the most, with 113.

Standing records at La Potosina by the year they were set
Year set	Standing records
1974	56
1975	85
1976	113
1977	47
1978	78
1979	77
1980	68
1981	47
1982	65
1983	56
1984	44
1985	31
1986	7
1991	33
1992	21
1993	38
1996	26
1997	27
2000	44
2001	93
2002	47
2003	32
2004	106
2005	28
2006	45
2007	58
2008	48
2011	44

Wettest Day of Each Month

Sep: 292.9 mm (11.5 in)

The wettest day on record for each calendar month at La Potosina. The most was 292.9 mm (11.5 in) on 21 September 1974.

Record daily precipitation for each month at La Potosina
Month	Record daily precipitation (mm)	Date
Jan	29.5 mm (1.2 in)	28 January 1992
Feb	42.9 mm (1.7 in)	10 February 2007
Mar	89.9 mm (3.5 in)	31 March 2007
Apr	76.2 mm (3.0 in)	25 April 1992
May	79.0 mm (3.1 in)	19 May 1981
Jun	142.7 mm (5.6 in)	21 June 1977
Jul	126.5 mm (5.0 in)	4 July 1974
Aug	116.8 mm (4.6 in)	28 August 1981
Sep	292.9 mm (11.5 in)	21 September 1974
Oct	79.0 mm (3.1 in)	12 October 2002
Nov	36.8 mm (1.4 in)	8 November 2001
Dec	89.9 mm (3.5 in)	3 December 1979

Period of Record Coverage

1974 to 2011

28 years of record at La Potosina, 1974 to 2011. 9 years have data for under 90 percent of days and are left out of rankings: 1974, 1984, 1986, 1991, 1992, 1993, 1996, 2000 and others.

Days with data per year at La Potosina
Year	Days with data	Share of year	Complete
1974	244	67%	No
1975	358	98%	Yes
1976	358	98%	Yes
1977	360	99%	Yes
1978	357	98%	Yes
1979	360	99%	Yes
1980	355	97%	Yes
1981	362	99%	Yes
1982	360	99%	Yes
1983	362	99%	Yes
1984	300	82%	No
1985	361	99%	Yes
1986	59	16%	No
1991	122	33%	No
1992	182	50%	No
1993	236	65%	No
1996	268	73%	No
1997	363	99%	Yes
2000	304	83%	No
2001	365	100%	Yes
2002	365	100%	Yes
2003	365	100%	Yes
2004	366	100%	Yes
2005	365	100%	Yes
2006	365	100%	Yes
2007	365	100%	Yes
2008	366	100%	Yes
2011	300	82%	No

Latest Records

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

Climate Trend

18 complete years, 1975 to 2008

One stripe for each of 18 complete years at La Potosina, 1975 to 2008. Blue stripes are years cooler than the station's own mean of 24.6 C (76.2 F); red stripes are warmer. The coolest year was 1976, at 21.7 C (71.1 F), and the warmest was 2004, at 26.0 C (78.9 F). The strongest colour marks a difference of 2.9 C (5.2 F).

Annual mean temperature at La Potosina as warming stripes, 1975 to 2008
Year	Annual mean temperature	Difference from the station mean
1975	22.7 C	-1.89 C
1976	21.7 C	-2.86 C
1977	22.6 C	-1.97 C
1978	24.3 C	-0.33 C
1979	24.4 C	-0.15 C
1980	24.8 C	+0.22 C
1981	24.7 C	+0.11 C
1982	25.3 C	+0.72 C
1983	25.0 C	+0.37 C
1985	24.6 C	-0.03 C
1997	23.4 C	-1.21 C
2001	25.4 C	+0.78 C
2003	25.9 C	+1.33 C
2004	26.0 C	+1.46 C
2005	25.8 C	+1.19 C
2006	25.9 C	+1.33 C
2007	25.0 C	+0.46 C
2008	25.0 C	+0.43 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

1974 to 2011

Yearly extremes at La Potosina: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	45.6 C (114.1 F)	2008	38.9 C (102.0 F)	28
Coldest night (TNn)	-1.1 C (30.0 F)	1983	5.9 C (42.5 F)	28
Wettest day (Rx1day)	292.9 mm (11.5 in)	1974	74.9 mm (2.9 in)	28
Wettest five days (Rx5day)	429.2 mm (16.9 in)	1984	138.2 mm (5.4 in)	28
Longest dry spell (CDD)	284 days	1997	60 days	28

Hottest day (TXx)

The hottest day of the year at La Potosina, 1974 to 2011. The record is 45.6 C (114.1 F) in 2008, marked on the chart; the median year is 38.9 C (102.0 F).

Hottest day (TXx) at La Potosina by year
Year	Hottest day (TXx)
1974	41.1 C (106.0 F)
1975	37.2 C (99.0 F)
1976	35.6 C (96.1 F)
1977	36.1 C (97.0 F)
1978	43.9 C (111.0 F)
1979	43.9 C (111.0 F)
1980	44.4 C (111.9 F)
1981	37.8 C (100.0 F)
1982	38.9 C (102.0 F)
1983	42.8 C (109.0 F)
1984	45.0 C (113.0 F)
1985	38.3 C (100.9 F)
1986	34.4 C (93.9 F)
1991	36.1 C (97.0 F)
1992	40.0 C (104.0 F)
1993	35.0 C (95.0 F)
1996	35.0 C (95.0 F)
1997	40.0 C (104.0 F)
2000	37.8 C (100.0 F)
2001	34.4 C (93.9 F)
2002	38.9 C (102.0 F)
2003	38.9 C (102.0 F)
2004	43.9 C (111.0 F)
2005	35.6 C (96.1 F)
2006	40.0 C (104.0 F)
2007	38.9 C (102.0 F)
2008	45.6 C (114.1 F)
2011	41.7 C (107.1 F)

Coldest night (TNn)

The coldest night of the year at La Potosina, 1974 to 2011. The record is -1.1 C (30.0 F) in 1983, marked on the chart; the median year is 5.9 C (42.5 F).

Coldest night (TNn) at La Potosina by year
Year	Coldest night (TNn)
1974	5.6 C (42.1 F)
1975	0.0 C (32.0 F)
1976	2.8 C (37.0 F)
1977	2.2 C (36.0 F)
1978	5.0 C (41.0 F)
1979	5.0 C (41.0 F)
1980	6.1 C (43.0 F)
1981	7.8 C (46.0 F)
1982	3.3 C (37.9 F)
1983	-1.1 C (30.0 F)
1984	5.0 C (41.0 F)
1985	2.8 C (37.0 F)
1986	5.6 C (42.1 F)
1991	7.8 C (46.0 F)
1992	7.8 C (46.0 F)
1993	6.7 C (44.1 F)
1996	6.1 C (43.0 F)
1997	1.7 C (35.1 F)
2000	16.7 C (62.1 F)
2001	13.9 C (57.0 F)
2002	15.0 C (59.0 F)
2003	15.0 C (59.0 F)
2004	1.7 C (35.1 F)
2005	7.8 C (46.0 F)
2006	6.7 C (44.1 F)
2007	5.0 C (41.0 F)
2008	6.7 C (44.1 F)
2011	7.8 C (46.0 F)

Wettest day (Rx1day)

The wettest day of the year at La Potosina, 1974 to 2011. The record is 292.9 mm (11.5 in) in 1974, marked on the chart; the median year is 74.9 mm (2.9 in).

Wettest day (Rx1day) at La Potosina by year
Year	Wettest day (Rx1day)
1974	292.9 mm (11.5 in)
1975	67.1 mm (2.6 in)
1976	103.4 mm (4.1 in)
1977	142.7 mm (5.6 in)
1978	88.9 mm (3.5 in)
1979	125.0 mm (4.9 in)
1980	70.9 mm (2.8 in)
1981	125.5 mm (4.9 in)
1982	74.9 mm (2.9 in)
1983	71.4 mm (2.8 in)
1984	211.8 mm (8.3 in)
1985	55.9 mm (2.2 in)
1986	5.8 mm (0.23 in)
1991	59.9 mm (2.4 in)
1992	76.2 mm (3.0 in)
1993	74.9 mm (2.9 in)
1996	0.0 mm (0.00 in)
1997	74.9 mm (2.9 in)
2000	67.8 mm (2.7 in)
2001	74.9 mm (2.9 in)
2002	79.0 mm (3.1 in)
2003	34.8 mm (1.4 in)
2004	74.9 mm (2.9 in)
2005	82.8 mm (3.3 in)
2006	66.8 mm (2.6 in)
2007	110.0 mm (4.3 in)
2008	87.9 mm (3.5 in)
2011	78.0 mm (3.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at La Potosina, 1974 to 2011. The record is 429.2 mm (16.9 in) in 1984, marked on the chart; the median year is 138.2 mm (5.4 in).

Wettest five days (Rx5day) at La Potosina by year
Year	Wettest five days (Rx5day)
1974	364.3 mm (14.3 in)
1975	180.1 mm (7.1 in)
1976	226.4 mm (8.9 in)
1977	194.6 mm (7.7 in)
1978	155.5 mm (6.1 in)
1979	187.2 mm (7.4 in)
1980	164.9 mm (6.5 in)
1981	259.8 mm (10.2 in)
1982	96.2 mm (3.8 in)
1983	127.3 mm (5.0 in)
1984	429.2 mm (16.9 in)
1985	133.7 mm (5.3 in)
1986	9.4 mm (0.37 in)
1991	110.5 mm (4.4 in)
1992	81.3 mm (3.2 in)
1993	213.4 mm (8.4 in)
1996	0.0 mm (0.00 in)
1997	99.5 mm (3.9 in)
2000	112.6 mm (4.4 in)
2001	142.7 mm (5.6 in)
2002	90.5 mm (3.6 in)
2003	66.5 mm (2.6 in)
2004	158.4 mm (6.2 in)
2005	131.3 mm (5.2 in)
2006	116.6 mm (4.6 in)
2007	243.7 mm (9.6 in)
2008	192.8 mm (7.6 in)
2011	84.3 mm (3.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at La Potosina, 1974 to 2011. The record is 284 days in 1997, marked on the chart; the median year is 60 days.

Longest dry spell (CDD) at La Potosina by year
Year	Longest dry spell (CDD)
1974	35 days
1975	52 days
1976	59 days
1977	38 days
1978	54 days
1979	31 days
1980	43 days
1981	60 days
1982	37 days
1983	71 days
1984	72 days
1985	19 days
1986	42 days
1991	24 days
1992	46 days
1993	60 days
1996	184 days
1997	284 days
2000	117 days
2001	73 days
2002	136 days
2003	72 days
2004	77 days
2005	45 days
2006	93 days
2007	48 days
2008	66 days
2011	121 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 La Potosina standing records by year: CSV or JSON. Field meanings are on the data page.
Data for La Potosina 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).