Jaltocan Weather Records (MXN00013140)

Record envelope, standing records and threshold days for Jaltocan (MXN00013140), Mexico, with 30 years of record.

Key Facts for Jaltocan

Jaltocan (MXN00013140) is a weather station in Mexico at 21.12 latitude and -98.53 longitude, 220 m (721 ft) above sea level.
The station reports from 1982 to 2011, 30 years of record.
1,464 records set at Jaltocan still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 21.12 latitude, -98.53 longitude.
Elevation: 220 m (721 ft).
Period of record: 1982 to 2011, 30 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 Jaltocan. 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 Jaltocan, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	35.6 C (96.1 F)	0.0 C (32.0 F)	n/a	n/a
Feb	37.8 C (100.0 F)	1.7 C (35.1 F)	n/a	n/a
Mar	40.6 C (105.1 F)	5.6 C (42.1 F)	n/a	n/a
Apr	45.6 C (114.1 F)	8.9 C (48.0 F)	n/a	n/a
May	46.7 C (116.1 F)	12.2 C (54.0 F)	n/a	n/a
Jun	45.6 C (114.1 F)	17.8 C (64.0 F)	n/a	n/a
Jul	40.0 C (104.0 F)	15.6 C (60.1 F)	n/a	n/a
Aug	37.8 C (100.0 F)	19.4 C (66.9 F)	n/a	n/a
Sep	38.3 C (100.9 F)	15.6 C (60.1 F)	n/a	n/a
Oct	36.7 C (98.1 F)	8.9 C (48.0 F)	n/a	n/a
Nov	35.0 C (95.0 F)	0.6 C (33.1 F)	n/a	n/a
Dec	37.2 C (99.0 F)	-1.1 C (30.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Jaltocan still stand. 1982 holds the most, with 108.

Standing records at Jaltocan by the year they were set
Year set	Standing records
1982	108
1983	77
1984	102
1985	58
1986	56
1987	74
1988	49
1989	77
1990	58
1991	81
1992	20
1993	40
1994	37
1995	45
1996	49
1997	38
1998	61
1999	29
2000	1
2001	19
2002	40
2003	26
2004	43
2005	22
2006	77
2007	22
2008	44
2009	31
2010	34
2011	46

Wettest Day of Each Month

Mar: 263.9 mm (10.4 in)

The wettest day on record for each calendar month at Jaltocan. The most was 263.9 mm (10.4 in) on 29 March 1997.

Record daily precipitation for each month at Jaltocan
Month	Record daily precipitation (mm)	Date
Jan	74.4 mm (2.9 in)	1 January 1985
Feb	49.8 mm (2.0 in)	3 February 2007
Mar	263.9 mm (10.4 in)	29 March 1997
Apr	103.9 mm (4.1 in)	7 April 1997
May	191.8 mm (7.6 in)	4 May 1987
Jun	196.9 mm (7.8 in)	29 June 2011
Jul	228.9 mm (9.0 in)	21 July 2010
Aug	151.9 mm (6.0 in)	29 August 2009
Sep	263.9 mm (10.4 in)	4 September 1984
Oct	199.9 mm (7.9 in)	22 October 1992
Nov	143.8 mm (5.7 in)	6 November 1991
Dec	90.9 mm (3.6 in)	13 December 1991

Period of Record Coverage

1982 to 2011

30 years of record at Jaltocan, 1982 to 2011. 14 years have data for under 90 percent of days and are left out of rankings: 1982, 1983, 1985, 1986, 1992, 1993, 1998, 1999 and others.

Days with data per year at Jaltocan
Year	Days with data	Share of year	Complete
1982	327	90%	No
1983	302	83%	No
1984	354	97%	Yes
1985	326	89%	No
1986	284	78%	No
1987	345	95%	Yes
1988	339	93%	Yes
1989	345	95%	Yes
1990	344	94%	Yes
1991	340	93%	Yes
1992	177	48%	No
1993	283	78%	No
1994	338	93%	Yes
1995	352	96%	Yes
1996	342	93%	Yes
1997	338	93%	Yes
1998	299	82%	No
1999	229	63%	No
2000	5	1%	No
2001	6	2%	No
2002	186	51%	No
2003	351	96%	Yes
2004	353	96%	Yes
2005	318	87%	No
2006	307	84%	No
2007	363	99%	Yes
2008	334	91%	Yes
2009	365	100%	Yes
2010	289	79%	No
2011	363	99%	Yes

Latest Records

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

Climate Trend

13 complete years, 1984 to 2011

One stripe for each of 13 complete years at Jaltocan, 1984 to 2011. Blue stripes are years cooler than the station's own mean of 23.9 C (75.0 F); red stripes are warmer. The coolest year was 1987, at 22.7 C (72.9 F), and the warmest was 2009, at 24.5 C (76.0 F). The strongest colour marks a difference of 1.2 C (2.2 F).

Annual mean temperature at Jaltocan as warming stripes, 1984 to 2011
Year	Annual mean temperature	Difference from the station mean
1984	23.5 C	-0.34 C
1987	22.7 C	-1.18 C
1989	23.3 C	-0.59 C
1990	23.8 C	-0.08 C
1991	24.0 C	+0.07 C
1994	24.1 C	+0.20 C
1995	24.5 C	+0.58 C
1996	24.0 C	+0.08 C
2003	24.2 C	+0.35 C
2004	23.8 C	-0.09 C
2007	23.8 C	-0.12 C
2009	24.5 C	+0.59 C
2011	24.4 C	+0.56 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

1982 to 2011

Yearly extremes at Jaltocan: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	46.7 C (116.1 F)	1984	40.0 C (104.0 F)	30
Coldest night (TNn)	-1.1 C (30.0 F)	1989	5.6 C (42.1 F)	29
Wettest day (Rx1day)	263.9 mm (10.4 in)	1984	133.4 mm (5.3 in)	29
Wettest five days (Rx5day)	645.9 mm (25.4 in)	1984	237.0 mm (9.3 in)	29
Longest dry spell (CDD)	51 days	1998	24 days	29

Hottest day (TXx)

The hottest day of the year at Jaltocan, 1982 to 2011. The record is 46.7 C (116.1 F) in 1984, marked on the chart; the median year is 40.0 C (104.0 F).

Hottest day (TXx) at Jaltocan by year
Year	Hottest day (TXx)
1982	38.3 C (100.9 F)
1983	40.6 C (105.1 F)
1984	46.7 C (116.1 F)
1985	40.0 C (104.0 F)
1986	38.9 C (102.0 F)
1987	36.7 C (98.1 F)
1988	37.8 C (100.0 F)
1989	40.0 C (104.0 F)
1990	41.1 C (106.0 F)
1991	45.0 C (113.0 F)
1992	35.0 C (95.0 F)
1993	36.7 C (98.1 F)
1994	40.0 C (104.0 F)
1995	42.8 C (109.0 F)
1996	38.9 C (102.0 F)
1997	37.8 C (100.0 F)
1998	45.6 C (114.1 F)
1999	45.0 C (113.0 F)
2000	35.0 C (95.0 F)
2001	35.0 C (95.0 F)
2002	40.6 C (105.1 F)
2003	42.8 C (109.0 F)
2004	40.0 C (104.0 F)
2005	42.8 C (109.0 F)
2006	40.0 C (104.0 F)
2007	36.7 C (98.1 F)
2008	40.0 C (104.0 F)
2009	40.0 C (104.0 F)
2010	37.8 C (100.0 F)
2011	45.6 C (114.1 F)

Coldest night (TNn)

The coldest night of the year at Jaltocan, 1982 to 2011. The record is -1.1 C (30.0 F) in 1989, marked on the chart; the median year is 5.6 C (42.1 F).

Coldest night (TNn) at Jaltocan by year
Year	Coldest night (TNn)
1982	5.6 C (42.1 F)
1983	-0.6 C (30.9 F)
1984	5.0 C (41.0 F)
1985	0.0 C (32.0 F)
1986	1.1 C (34.0 F)
1987	5.0 C (41.0 F)
1988	5.6 C (42.1 F)
1989	-1.1 C (30.0 F)
1990	6.7 C (44.1 F)
1991	8.9 C (48.0 F)
1992	7.8 C (46.0 F)
1993	6.7 C (44.1 F)
1994	6.7 C (44.1 F)
1995	8.9 C (48.0 F)
1996	5.0 C (41.0 F)
1997	2.8 C (37.0 F)
1998	5.6 C (42.1 F)
1999	7.8 C (46.0 F)
2000	n/a
2001	0.6 C (33.1 F)
2002	0.6 C (33.1 F)
2003	5.6 C (42.1 F)
2004	5.0 C (41.0 F)
2005	1.7 C (35.1 F)
2006	8.9 C (48.0 F)
2007	5.6 C (42.1 F)
2008	7.8 C (46.0 F)
2009	7.8 C (46.0 F)
2010	2.8 C (37.0 F)
2011	1.7 C (35.1 F)

Wettest day (Rx1day)

The wettest day of the year at Jaltocan, 1982 to 2011. The record is 263.9 mm (10.4 in) in 1984, marked on the chart; the median year is 133.4 mm (5.3 in).

Wettest day (Rx1day) at Jaltocan by year
Year	Wettest day (Rx1day)
1982	76.7 mm (3.0 in)
1983	41.4 mm (1.6 in)
1984	263.9 mm (10.4 in)
1985	99.8 mm (3.9 in)
1986	99.8 mm (3.9 in)
1987	191.8 mm (7.6 in)
1988	100.8 mm (4.0 in)
1989	244.9 mm (9.6 in)
1990	72.9 mm (2.9 in)
1991	143.8 mm (5.7 in)
1992	199.9 mm (7.9 in)
1993	135.9 mm (5.4 in)
1994	113.8 mm (4.5 in)
1995	123.4 mm (4.9 in)
1996	90.9 mm (3.6 in)
1997	263.9 mm (10.4 in)
1998	133.4 mm (5.3 in)
1999	101.9 mm (4.0 in)
2000	n/a
2001	4.8 mm (0.19 in)
2002	115.8 mm (4.6 in)
2003	113.8 mm (4.5 in)
2004	158.0 mm (6.2 in)
2005	35.8 mm (1.4 in)
2006	152.4 mm (6.0 in)
2007	141.0 mm (5.6 in)
2008	140.0 mm (5.5 in)
2009	151.9 mm (6.0 in)
2010	228.9 mm (9.0 in)
2011	196.9 mm (7.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Jaltocan, 1982 to 2011. The record is 645.9 mm (25.4 in) in 1984, marked on the chart; the median year is 237.0 mm (9.3 in).

Wettest five days (Rx5day) at Jaltocan by year
Year	Wettest five days (Rx5day)
1982	120.7 mm (4.8 in)
1983	61.5 mm (2.4 in)
1984	645.9 mm (25.4 in)
1985	235.8 mm (9.3 in)
1986	163.6 mm (6.4 in)
1987	339.8 mm (13.4 in)
1988	213.3 mm (8.4 in)
1989	381.4 mm (15.0 in)
1990	122.2 mm (4.8 in)
1991	357.5 mm (14.1 in)
1992	224.3 mm (8.8 in)
1993	304.1 mm (12.0 in)
1994	218.5 mm (8.6 in)
1995	272.3 mm (10.7 in)
1996	217.4 mm (8.6 in)
1997	272.6 mm (10.7 in)
1998	205.8 mm (8.1 in)
1999	193.4 mm (7.6 in)
2000	n/a
2001	7.1 mm (0.28 in)
2002	269.2 mm (10.6 in)
2003	237.0 mm (9.3 in)
2004	290.0 mm (11.4 in)
2005	73.9 mm (2.9 in)
2006	168.1 mm (6.6 in)
2007	366.8 mm (14.4 in)
2008	256.4 mm (10.1 in)
2009	329.5 mm (13.0 in)
2010	593.1 mm (23.4 in)
2011	567.0 mm (22.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Jaltocan, 1982 to 2011. The record is 51 days in 1998, marked on the chart; the median year is 24 days.

Longest dry spell (CDD) at Jaltocan by year
Year	Longest dry spell (CDD)
1982	30 days
1983	19 days
1984	29 days
1985	20 days
1986	17 days
1987	20 days
1988	29 days
1989	30 days
1990	19 days
1991	20 days
1992	12 days
1993	19 days
1994	39 days
1995	25 days
1996	34 days
1997	24 days
1998	51 days
1999	27 days
2000	n/a
2001	9 days
2002	33 days
2003	20 days
2004	30 days
2005	25 days
2006	32 days
2007	23 days
2008	22 days
2009	18 days
2010	19 days
2011	40 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 Jaltocan standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Jaltocan 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).