Tlalmanalco Weather Records (MXN00015280)

Record envelope, standing records and threshold days for Tlalmanalco (MXN00015280), Mexico, with 32 years of record.

Key Facts for Tlalmanalco

Tlalmanalco (MXN00015280) is a weather station in Mexico at 19.20 latitude and -98.80 longitude, 2,410 m (7,906 ft) above sea level.
The station reports from 1981 to 2012, 32 years of record.
1,464 records set at Tlalmanalco still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 19.20 latitude, -98.80 longitude.
Elevation: 2,410 m (7,906 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 Tlalmanalco. 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 Tlalmanalco, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	27.8 C (82.0 F)	-8.3 C (17.1 F)	n/a	n/a
Feb	28.9 C (84.0 F)	-6.1 C (21.0 F)	n/a	n/a
Mar	30.6 C (87.1 F)	-3.3 C (26.1 F)	n/a	n/a
Apr	31.7 C (89.1 F)	0.6 C (33.1 F)	n/a	n/a
May	36.1 C (97.0 F)	1.7 C (35.1 F)	n/a	n/a
Jun	30.6 C (87.1 F)	0.6 C (33.1 F)	n/a	n/a
Jul	28.9 C (84.0 F)	1.7 C (35.1 F)	n/a	n/a
Aug	30.0 C (86.0 F)	3.9 C (39.0 F)	n/a	n/a
Sep	27.8 C (82.0 F)	2.8 C (37.0 F)	n/a	n/a
Oct	28.9 C (84.0 F)	-3.3 C (26.1 F)	n/a	n/a
Nov	27.8 C (82.0 F)	-5.0 C (23.0 F)	n/a	n/a
Dec	29.4 C (84.9 F)	-5.0 C (23.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Tlalmanalco still stand. 1985 holds the most, with 134.

Standing records at Tlalmanalco by the year they were set
Year set	Standing records
1981	50
1982	87
1983	68
1985	134
1986	110
1987	127
1988	75
1991	75
1995	66
1996	54
1997	61
1998	52
2000	46
2002	36
2003	58
2004	24
2005	35
2006	60
2007	22
2008	34
2009	59
2010	43
2011	55
2012	33

Wettest Day of Each Month

Jul: 68.8 mm (2.7 in)

The wettest day on record for each calendar month at Tlalmanalco. The most was 68.8 mm (2.7 in) on 27 July 1987.

Record daily precipitation for each month at Tlalmanalco
Month	Record daily precipitation (mm)	Date
Jan	30.0 mm (1.2 in)	30 January 1995
Feb	62.0 mm (2.4 in)	4 February 2010
Mar	45.5 mm (1.8 in)	4 March 1988
Apr	41.9 mm (1.6 in)	28 April 1986
May	32.3 mm (1.3 in)	30 May 2009
Jun	67.3 mm (2.6 in)	24 June 2010
Jul	68.8 mm (2.7 in)	27 July 1987
Aug	42.9 mm (1.7 in)	6 August 2004
Sep	67.3 mm (2.6 in)	6 September 2009
Oct	45.0 mm (1.8 in)	19 October 1995
Nov	33.8 mm (1.3 in)	18 November 1995
Dec	43.9 mm (1.7 in)	30 December 1995

Period of Record Coverage

1981 to 2012

24 years of record at Tlalmanalco, 1981 to 2012. 10 years have data for under 90 percent of days and are left out of rankings: 1981, 1983, 1987, 1988, 1996, 1998, 2004, 2007 and others.

Days with data per year at Tlalmanalco
Year	Days with data	Share of year	Complete
1981	153	42%	No
1982	365	100%	Yes
1983	242	66%	No
1985	364	100%	Yes
1986	365	100%	Yes
1987	294	81%	No
1988	274	75%	No
1991	365	100%	Yes
1995	365	100%	Yes
1996	274	75%	No
1997	365	100%	Yes
1998	273	75%	No
2000	366	100%	Yes
2002	365	100%	Yes
2003	365	100%	Yes
2004	274	75%	No
2005	365	100%	Yes
2006	364	100%	Yes
2007	92	25%	No
2008	366	100%	Yes
2009	334	92%	Yes
2010	302	83%	No
2011	362	99%	Yes
2012	305	83%	No

Latest Records

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

Climate Trend

13 complete years, 1982 to 2011

One stripe for each of 13 complete years at Tlalmanalco, 1982 to 2011. Blue stripes are years cooler than the station's own mean of 14.8 C (58.6 F); red stripes are warmer. The coolest year was 1985, at 14.0 C (57.3 F), and the warmest was 2003, at 15.3 C (59.6 F). The strongest colour marks a difference of 0.8 C (1.4 F).

Annual mean temperature at Tlalmanalco as warming stripes, 1982 to 2011
Year	Annual mean temperature	Difference from the station mean
1982	14.7 C	-0.07 C
1985	14.0 C	-0.72 C
1986	14.8 C	+0.08 C
1991	15.2 C	+0.40 C
1995	15.0 C	+0.25 C
1997	14.6 C	-0.20 C
2000	14.8 C	+0.04 C
2002	15.0 C	+0.24 C
2003	15.3 C	+0.56 C
2005	15.1 C	+0.29 C
2006	14.3 C	-0.45 C
2008	14.4 C	-0.40 C
2011	14.7 C	-0.04 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 Tlalmanalco: 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)	1988	30.0 C (86.0 F)	24
Coldest night (TNn)	-8.3 C (17.1 F)	1988	-4.7 C (23.5 F)	24
Wettest day (Rx1day)	68.8 mm (2.7 in)	1987	40.9 mm (1.6 in)	24
Wettest five days (Rx5day)	135.9 mm (5.4 in)	2010	84.1 mm (3.3 in)	24
Longest dry spell (CDD)	128 days	1998	71 days	24

Hottest day (TXx)

The hottest day of the year at Tlalmanalco, 1981 to 2012. The record is 36.1 C (97.0 F) in 1988, marked on the chart; the median year is 30.0 C (86.0 F).

Hottest day (TXx) at Tlalmanalco by year
Year	Hottest day (TXx)
1981	28.3 C (82.9 F)
1982	30.6 C (87.1 F)
1983	30.6 C (87.1 F)
1985	30.6 C (87.1 F)
1986	30.0 C (86.0 F)
1987	29.4 C (84.9 F)
1988	36.1 C (97.0 F)
1991	30.6 C (87.1 F)
1995	30.0 C (86.0 F)
1996	29.4 C (84.9 F)
1997	27.8 C (82.0 F)
1998	31.7 C (89.1 F)
2000	30.0 C (86.0 F)
2002	30.6 C (87.1 F)
2003	31.7 C (89.1 F)
2004	27.8 C (82.0 F)
2005	30.0 C (86.0 F)
2006	30.0 C (86.0 F)
2007	26.7 C (80.1 F)
2008	30.6 C (87.1 F)
2009	30.0 C (86.0 F)
2010	31.7 C (89.1 F)
2011	30.0 C (86.0 F)
2012	28.3 C (82.9 F)

Coldest night (TNn)

The coldest night of the year at Tlalmanalco, 1981 to 2012. The record is -8.3 C (17.1 F) in 1988, marked on the chart; the median year is -4.7 C (23.5 F).

Coldest night (TNn) at Tlalmanalco by year
Year	Coldest night (TNn)
1981	6.1 C (43.0 F)
1982	-2.2 C (28.0 F)
1983	-2.2 C (28.0 F)
1985	0.0 C (32.0 F)
1986	-6.1 C (21.0 F)
1987	-5.0 C (23.0 F)
1988	-8.3 C (17.1 F)
1991	0.6 C (33.1 F)
1995	-5.0 C (23.0 F)
1996	-6.1 C (21.0 F)
1997	-5.0 C (23.0 F)
1998	-5.0 C (23.0 F)
2000	-3.3 C (26.1 F)
2002	-5.0 C (23.0 F)
2003	-4.4 C (24.1 F)
2004	-5.0 C (23.0 F)
2005	-5.0 C (23.0 F)
2006	-6.1 C (21.0 F)
2007	-2.2 C (28.0 F)
2008	-5.0 C (23.0 F)
2009	-1.1 C (30.0 F)
2010	-1.1 C (30.0 F)
2011	-3.3 C (26.1 F)
2012	-2.2 C (28.0 F)

Wettest day (Rx1day)

The wettest day of the year at Tlalmanalco, 1981 to 2012. The record is 68.8 mm (2.7 in) in 1987, marked on the chart; the median year is 40.9 mm (1.6 in).

Wettest day (Rx1day) at Tlalmanalco by year
Year	Wettest day (Rx1day)
1981	59.9 mm (2.4 in)
1982	27.9 mm (1.1 in)
1983	15.7 mm (0.6 in)
1985	30.0 mm (1.2 in)
1986	41.9 mm (1.6 in)
1987	68.8 mm (2.7 in)
1988	46.0 mm (1.8 in)
1991	48.5 mm (1.9 in)
1995	45.0 mm (1.8 in)
1996	33.3 mm (1.3 in)
1997	53.8 mm (2.1 in)
1998	23.4 mm (0.9 in)
2000	31.0 mm (1.2 in)
2002	23.4 mm (0.9 in)
2003	32.3 mm (1.3 in)
2004	45.0 mm (1.8 in)
2005	38.9 mm (1.5 in)
2006	59.9 mm (2.4 in)
2007	6.9 mm (0.27 in)
2008	39.9 mm (1.6 in)
2009	67.3 mm (2.6 in)
2010	67.3 mm (2.6 in)
2011	63.8 mm (2.5 in)
2012	39.9 mm (1.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Tlalmanalco, 1981 to 2012. The record is 135.9 mm (5.4 in) in 2010, marked on the chart; the median year is 84.1 mm (3.3 in).

Wettest five days (Rx5day) at Tlalmanalco by year
Year	Wettest five days (Rx5day)
1981	91.7 mm (3.6 in)
1982	44.8 mm (1.8 in)
1983	58.7 mm (2.3 in)
1985	83.8 mm (3.3 in)
1986	100.3 mm (3.9 in)
1987	77.2 mm (3.0 in)
1988	96.3 mm (3.8 in)
1991	89.9 mm (3.5 in)
1995	88.4 mm (3.5 in)
1996	58.4 mm (2.3 in)
1997	84.3 mm (3.3 in)
1998	43.4 mm (1.7 in)
2000	55.3 mm (2.2 in)
2002	51.3 mm (2.0 in)
2003	60.2 mm (2.4 in)
2004	88.5 mm (3.5 in)
2005	63.3 mm (2.5 in)
2006	85.9 mm (3.4 in)
2007	21.4 mm (0.8 in)
2008	126.2 mm (5.0 in)
2009	105.3 mm (4.1 in)
2010	135.9 mm (5.4 in)
2011	115.2 mm (4.5 in)
2012	73.9 mm (2.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Tlalmanalco, 1981 to 2012. The record is 128 days in 1998, marked on the chart; the median year is 71 days.

Longest dry spell (CDD) at Tlalmanalco by year
Year	Longest dry spell (CDD)
1981	10 days
1982	71 days
1983	47 days
1985	72 days
1986	97 days
1987	86 days
1988	63 days
1991	93 days
1995	50 days
1996	66 days
1997	77 days
1998	128 days
2000	71 days
2002	46 days
2003	89 days
2004	30 days
2005	72 days
2006	110 days
2007	70 days
2008	101 days
2009	36 days
2010	37 days
2011	104 days
2012	56 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 Tlalmanalco standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Tlalmanalco 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).