El Alamo Weather Records (MXN00019110)

Record envelope, standing records and threshold days for El Alamo (MXN00019110), Mexico, with 31 years of record.

Key Facts for El Alamo

El Alamo (MXN00019110) is a weather station in Mexico at 26.48 latitude and -99.77 longitude, 180 m (590 ft) above sea level.
The station reports from 1980 to 2010, 31 years of record.
1,464 records set at El Alamo still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 26.48 latitude, -99.77 longitude.
Elevation: 180 m (590 ft).
Period of record: 1980 to 2010, 31 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 El Alamo. 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 El Alamo, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	33.9 C (93.0 F)	-6.1 C (21.0 F)	n/a	n/a
Feb	35.0 C (95.0 F)	-3.3 C (26.1 F)	n/a	n/a
Mar	40.6 C (105.1 F)	-4.4 C (24.1 F)	n/a	n/a
Apr	42.2 C (108.0 F)	0.6 C (33.1 F)	n/a	n/a
May	45.0 C (113.0 F)	8.9 C (48.0 F)	n/a	n/a
Jun	43.3 C (109.9 F)	13.9 C (57.0 F)	n/a	n/a
Jul	42.8 C (109.0 F)	15.0 C (59.0 F)	n/a	n/a
Aug	44.4 C (111.9 F)	15.0 C (59.0 F)	n/a	n/a
Sep	41.7 C (107.1 F)	8.9 C (48.0 F)	n/a	n/a
Oct	40.0 C (104.0 F)	0.6 C (33.1 F)	n/a	n/a
Nov	35.0 C (95.0 F)	-2.2 C (28.0 F)	n/a	n/a
Dec	35.0 C (95.0 F)	-8.3 C (17.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at El Alamo still stand. 1998 holds the most, with 115.

Standing records at El Alamo by the year they were set
Year set	Standing records
1980	71
1981	110
1982	66
1983	48
1984	34
1985	45
1987	30
1988	61
1989	54
1990	34
1997	77
1998	115
1999	74
2000	93
2001	61
2002	73
2003	49
2004	55
2005	69
2006	80
2008	60
2009	45
2010	60

Wettest Day of Each Month

Apr: 147.8 mm (5.8 in)

The wettest day on record for each calendar month at El Alamo. The most was 147.8 mm (5.8 in) on 7 April 1985.

Record daily precipitation for each month at El Alamo
Month	Record daily precipitation (mm)	Date
Jan	49.8 mm (2.0 in)	30 January 1984
Feb	24.9 mm (1.0 in)	20 February 1990
Mar	47.8 mm (1.9 in)	27 March 1999
Apr	147.8 mm (5.8 in)	7 April 1985
May	78.0 mm (3.1 in)	15 May 2005
Jun	111.8 mm (4.4 in)	30 June 2010
Jul	131.8 mm (5.2 in)	20 July 2005
Aug	96.8 mm (3.8 in)	16 August 1998
Sep	142.0 mm (5.6 in)	11 September 2006
Oct	70.9 mm (2.8 in)	16 October 2009
Nov	39.9 mm (1.6 in)	30 November 2009
Dec	42.9 mm (1.7 in)	7 December 2006

Period of Record Coverage

1980 to 2010

23 years of record at El Alamo, 1980 to 2010. 9 years have data for under 90 percent of days and are left out of rankings: 1981, 1982, 1983, 1984, 1985, 1987, 1989, 1990 and others.

Days with data per year at El Alamo
Year	Days with data	Share of year	Complete
1980	334	91%	Yes
1981	302	83%	No
1982	269	74%	No
1983	180	49%	No
1984	109	30%	No
1985	181	50%	No
1987	147	40%	No
1988	334	91%	Yes
1989	328	90%	No
1990	192	53%	No
1997	171	47%	No
1998	338	93%	Yes
1999	360	99%	Yes
2000	356	97%	Yes
2001	360	99%	Yes
2002	361	99%	Yes
2003	362	99%	Yes
2004	365	100%	Yes
2005	361	99%	Yes
2006	363	99%	Yes
2008	365	100%	Yes
2009	360	99%	Yes
2010	363	99%	Yes

Latest Records

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

Climate Trend

12 complete years, 1998 to 2010

One stripe for each of 12 complete years at El Alamo, 1998 to 2010. Blue stripes are years cooler than the station's own mean of 23.1 C (73.5 F); red stripes are warmer. The coolest year was 2010, at 21.7 C (71.1 F), and the warmest was 1999, at 24.1 C (75.4 F). The strongest colour marks a difference of 1.4 C (2.5 F).

Annual mean temperature at El Alamo as warming stripes, 1998 to 2010
Year	Annual mean temperature	Difference from the station mean
1998	22.0 C	-1.06 C
1999	24.1 C	+1.04 C
2000	23.8 C	+0.73 C
2001	23.4 C	+0.29 C
2002	23.4 C	+0.33 C
2003	22.8 C	-0.22 C
2004	22.8 C	-0.22 C
2005	23.4 C	+0.33 C
2006	23.3 C	+0.27 C
2008	22.6 C	-0.48 C
2009	23.4 C	+0.29 C
2010	21.7 C	-1.33 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

1980 to 2010

Yearly extremes at El Alamo: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	45.0 C (113.0 F)	1984	41.7 C (107.1 F)	23
Coldest night (TNn)	-8.3 C (17.1 F)	1983	-2.2 C (28.0 F)	23
Wettest day (Rx1day)	147.8 mm (5.8 in)	1985	62.0 mm (2.4 in)	24
Wettest five days (Rx5day)	248.4 mm (9.8 in)	2010	86.3 mm (3.4 in)	24
Longest dry spell (CDD)	112 days	1998	54 days	24

Hottest day (TXx)

The hottest day of the year at El Alamo, 1980 to 2010. The record is 45.0 C (113.0 F) in 1984, marked on the chart; the median year is 41.7 C (107.1 F).

Hottest day (TXx) at El Alamo by year
Year	Hottest day (TXx)
1980	40.6 C (105.1 F)
1981	39.4 C (102.9 F)
1982	40.6 C (105.1 F)
1983	38.9 C (102.0 F)
1984	45.0 C (113.0 F)
1985	37.8 C (100.0 F)
1986	n/a
1987	38.9 C (102.0 F)
1988	38.9 C (102.0 F)
1989	40.0 C (104.0 F)
1990	41.7 C (107.1 F)
1997	33.3 C (91.9 F)
1998	42.8 C (109.0 F)
1999	41.7 C (107.1 F)
2000	42.2 C (108.0 F)
2001	42.2 C (108.0 F)
2002	44.4 C (111.9 F)
2003	43.3 C (109.9 F)
2004	41.7 C (107.1 F)
2005	42.8 C (109.0 F)
2006	43.3 C (109.9 F)
2008	41.7 C (107.1 F)
2009	41.1 C (106.0 F)
2010	40.0 C (104.0 F)

Coldest night (TNn)

The coldest night of the year at El Alamo, 1980 to 2010. The record is -8.3 C (17.1 F) in 1983, marked on the chart; the median year is -2.2 C (28.0 F).

Coldest night (TNn) at El Alamo by year
Year	Coldest night (TNn)
1980	-4.4 C (24.1 F)
1981	-3.3 C (26.1 F)
1982	-2.2 C (28.0 F)
1983	-8.3 C (17.1 F)
1984	-6.1 C (21.0 F)
1985	-6.1 C (21.0 F)
1986	n/a
1987	0.0 C (32.0 F)
1988	0.0 C (32.0 F)
1989	-5.0 C (23.0 F)
1990	2.8 C (37.0 F)
1997	-2.2 C (28.0 F)
1998	0.0 C (32.0 F)
1999	0.0 C (32.0 F)
2000	-1.1 C (30.0 F)
2001	-2.2 C (28.0 F)
2002	0.0 C (32.0 F)
2003	0.0 C (32.0 F)
2004	0.0 C (32.0 F)
2005	0.0 C (32.0 F)
2006	-3.3 C (26.1 F)
2008	0.0 C (32.0 F)
2009	-5.0 C (23.0 F)
2010	-5.0 C (23.0 F)

Wettest day (Rx1day)

The wettest day of the year at El Alamo, 1980 to 2010. The record is 147.8 mm (5.8 in) in 1985, marked on the chart; the median year is 62.0 mm (2.4 in).

Wettest day (Rx1day) at El Alamo by year
Year	Wettest day (Rx1day)
1980	20.1 mm (0.8 in)
1981	58.4 mm (2.3 in)
1982	43.9 mm (1.7 in)
1983	46.0 mm (1.8 in)
1984	49.8 mm (2.0 in)
1985	147.8 mm (5.8 in)
1986	4.8 mm (0.19 in)
1987	62.0 mm (2.4 in)
1988	104.9 mm (4.1 in)
1989	94.0 mm (3.7 in)
1990	70.9 mm (2.8 in)
1997	52.8 mm (2.1 in)
1998	99.8 mm (3.9 in)
1999	61.0 mm (2.4 in)
2000	62.0 mm (2.4 in)
2001	42.9 mm (1.7 in)
2002	38.9 mm (1.5 in)
2003	64.8 mm (2.6 in)
2004	43.9 mm (1.7 in)
2005	131.8 mm (5.2 in)
2006	142.0 mm (5.6 in)
2008	93.0 mm (3.7 in)
2009	70.9 mm (2.8 in)
2010	125.0 mm (4.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at El Alamo, 1980 to 2010. The record is 248.4 mm (9.8 in) in 2010, marked on the chart; the median year is 86.3 mm (3.4 in).

Wettest five days (Rx5day) at El Alamo by year
Year	Wettest five days (Rx5day)
1980	64.6 mm (2.5 in)
1981	78.5 mm (3.1 in)
1982	43.9 mm (1.7 in)
1983	69.9 mm (2.8 in)
1984	49.8 mm (2.0 in)
1985	178.6 mm (7.0 in)
1986	9.6 mm (0.38 in)
1987	143.6 mm (5.7 in)
1988	104.9 mm (4.1 in)
1989	94.0 mm (3.7 in)
1990	90.7 mm (3.6 in)
1997	81.8 mm (3.2 in)
1998	201.7 mm (7.9 in)
1999	61.7 mm (2.4 in)
2000	111.6 mm (4.4 in)
2001	64.7 mm (2.5 in)
2002	63.2 mm (2.5 in)
2003	144.3 mm (5.7 in)
2004	69.0 mm (2.7 in)
2005	149.6 mm (5.9 in)
2006	183.4 mm (7.2 in)
2008	157.5 mm (6.2 in)
2009	78.3 mm (3.1 in)
2010	248.4 mm (9.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at El Alamo, 1980 to 2010. The record is 112 days in 1998, marked on the chart; the median year is 54 days.

Longest dry spell (CDD) at El Alamo by year
Year	Longest dry spell (CDD)
1980	72 days
1981	38 days
1982	34 days
1983	43 days
1984	30 days
1985	31 days
1986	25 days
1987	49 days
1988	64 days
1989	65 days
1990	49 days
1997	43 days
1998	112 days
1999	83 days
2000	68 days
2001	63 days
2002	93 days
2003	35 days
2004	45 days
2005	55 days
2006	53 days
2008	67 days
2009	66 days
2010	96 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 El Alamo standing records by year: CSV or JSON. Field meanings are on the data page.
Data for El Alamo 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).