Cualac Weather Records (MXN00012185)

Record envelope, standing records and threshold days for Cualac (MXN00012185), Mexico, with 33 years of record.

Key Facts for Cualac

Cualac (MXN00012185) is a weather station in Mexico at 17.73 latitude and -98.65 longitude, 1,450 m (4,757 ft) above sea level.
The station reports from 1980 to 2012, 33 years of record.
1,464 records set at Cualac still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 17.73 latitude, -98.65 longitude.
Elevation: 1,450 m (4,757 ft).
Period of record: 1980 to 2012, 33 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 Cualac. 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 Cualac, 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)	0.6 C (33.1 F)	n/a	n/a
Feb	36.1 C (97.0 F)	1.1 C (34.0 F)	n/a	n/a
Mar	45.6 C (114.1 F)	3.9 C (39.0 F)	n/a	n/a
Apr	45.6 C (114.1 F)	8.9 C (48.0 F)	n/a	n/a
May	41.1 C (106.0 F)	8.9 C (48.0 F)	n/a	n/a
Jun	39.4 C (102.9 F)	10.6 C (51.1 F)	n/a	n/a
Jul	36.1 C (97.0 F)	10.0 C (50.0 F)	n/a	n/a
Aug	35.6 C (96.1 F)	8.3 C (46.9 F)	n/a	n/a
Sep	36.1 C (97.0 F)	5.0 C (41.0 F)	n/a	n/a
Oct	34.4 C (93.9 F)	6.1 C (43.0 F)	n/a	n/a
Nov	35.0 C (95.0 F)	1.7 C (35.1 F)	n/a	n/a
Dec	32.8 C (91.0 F)	0.0 C (32.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Cualac still stand. 1996 holds the most, with 147.

Standing records at Cualac by the year they were set
Year set	Standing records
1981	29
1982	6
1983	16
1984	34
1985	16
1986	28
1987	21
1989	5
1990	10
1991	28
1992	36
1993	62
1994	31
1995	60
1996	147
1997	116
1998	109
1999	106
2000	58
2001	18
2002	44
2003	16
2004	50
2005	34
2006	100
2007	36
2008	14
2009	15
2010	67
2011	95
2012	57

Wettest Day of Each Month

May: 129.8 mm (5.1 in)

The wettest day on record for each calendar month at Cualac. The most was 129.8 mm (5.1 in) on 13 May 2004.

Record daily precipitation for each month at Cualac
Month	Record daily precipitation (mm)	Date
Jan	84.8 mm (3.3 in)	13 January 2002
Feb	18.8 mm (0.7 in)	21 February 1982
Mar	41.9 mm (1.6 in)	14 March 2005
Apr	49.3 mm (1.9 in)	26 April 2001
May	129.8 mm (5.1 in)	13 May 2004
Jun	99.8 mm (3.9 in)	29 June 2004
Jul	94.0 mm (3.7 in)	2 July 2002
Aug	128.8 mm (5.1 in)	24 August 2001
Sep	120.1 mm (4.7 in)	1 September 2001
Oct	54.9 mm (2.2 in)	1 October 2002
Nov	32.3 mm (1.3 in)	13 November 2006
Dec	40.4 mm (1.6 in)	30 December 1995

Period of Record Coverage

1980 to 2012

32 years of record at Cualac, 1980 to 2012. 11 years have data for under 90 percent of days and are left out of rankings: 1980, 1986, 1987, 1989, 1990, 1992, 1995, 1999 and others.

Days with data per year at Cualac
Year	Days with data	Share of year	Complete
1980	18	5%	No
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	366	100%	Yes
1985	365	100%	Yes
1986	303	83%	No
1987	212	58%	No
1989	91	25%	No
1990	181	50%	No
1991	334	92%	Yes
1992	304	83%	No
1993	365	100%	Yes
1994	365	100%	Yes
1995	53	15%	No
1996	359	98%	Yes
1997	365	100%	Yes
1998	329	90%	Yes
1999	242	66%	No
2000	213	58%	No
2001	293	80%	No
2002	361	99%	Yes
2003	365	100%	Yes
2004	306	84%	No
2005	365	100%	Yes
2006	363	99%	Yes
2007	334	92%	Yes
2008	366	100%	Yes
2009	365	100%	Yes
2010	365	100%	Yes
2011	365	100%	Yes
2012	335	92%	Yes

Latest Records

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

Climate Trend

16 complete years, 1981 to 2011

One stripe for each of 16 complete years at Cualac, 1981 to 2011. Blue stripes are years cooler than the station's own mean of 21.7 C (71.1 F); red stripes are warmer. The coolest year was 1997, at 19.4 C (66.8 F), and the warmest was 2011, at 23.6 C (74.5 F). The strongest colour marks a difference of 2.4 C (4.3 F).

Annual mean temperature at Cualac as warming stripes, 1981 to 2011
Year	Annual mean temperature	Difference from the station mean
1981	20.5 C	-1.18 C
1982	21.5 C	-0.22 C
1983	20.9 C	-0.79 C
1984	20.4 C	-1.29 C
1985	20.4 C	-1.33 C
1993	22.2 C	+0.49 C
1994	21.9 C	+0.14 C
1996	22.2 C	+0.52 C
1997	19.4 C	-2.37 C
2002	22.7 C	+0.99 C
2003	22.2 C	+0.49 C
2005	22.9 C	+1.14 C
2008	21.6 C	-0.08 C
2009	22.4 C	+0.71 C
2010	22.7 C	+0.95 C
2011	23.6 C	+1.88 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 2012

Yearly extremes at Cualac: 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)	1996	36.7 C (98.1 F)	32
Coldest night (TNn)	0.0 C (32.0 F)	1997	5.6 C (42.1 F)	32
Wettest day (Rx1day)	129.8 mm (5.1 in)	2004	52.0 mm (2.0 in)	32
Wettest five days (Rx5day)	305.9 mm (12.0 in)	2001	113.8 mm (4.5 in)	32
Longest dry spell (CDD)	182 days	1995	76 days	32

Hottest day (TXx)

The hottest day of the year at Cualac, 1980 to 2012. The record is 45.6 C (114.1 F) in 1996, marked on the chart; the median year is 36.7 C (98.1 F).

Hottest day (TXx) at Cualac by year
Year	Hottest day (TXx)
1980	28.9 C (84.0 F)
1981	35.0 C (95.0 F)
1982	36.1 C (97.0 F)
1983	39.4 C (102.9 F)
1984	37.2 C (99.0 F)
1985	35.0 C (95.0 F)
1986	32.2 C (90.0 F)
1987	34.4 C (93.9 F)
1989	36.1 C (97.0 F)
1990	35.0 C (95.0 F)
1991	36.7 C (98.1 F)
1992	38.9 C (102.0 F)
1993	37.2 C (99.0 F)
1994	39.4 C (102.9 F)
1995	32.8 C (91.0 F)
1996	45.6 C (114.1 F)
1997	33.3 C (91.9 F)
1998	38.9 C (102.0 F)
1999	35.0 C (95.0 F)
2000	37.2 C (99.0 F)
2001	35.0 C (95.0 F)
2002	39.4 C (102.9 F)
2003	37.2 C (99.0 F)
2004	36.1 C (97.0 F)
2005	36.7 C (98.1 F)
2006	36.1 C (97.0 F)
2007	38.3 C (100.9 F)
2008	36.7 C (98.1 F)
2009	37.2 C (99.0 F)
2010	38.9 C (102.0 F)
2011	37.8 C (100.0 F)
2012	38.3 C (100.9 F)

Coldest night (TNn)

The coldest night of the year at Cualac, 1980 to 2012. The record is 0.0 C (32.0 F) in 1997, marked on the chart; the median year is 5.6 C (42.1 F).

Coldest night (TNn) at Cualac by year
Year	Coldest night (TNn)
1980	4.4 C (39.9 F)
1981	3.3 C (37.9 F)
1982	6.7 C (44.1 F)
1983	4.4 C (39.9 F)
1984	3.3 C (37.9 F)
1985	5.6 C (42.1 F)
1986	4.4 C (39.9 F)
1987	0.6 C (33.1 F)
1989	10.0 C (50.0 F)
1990	6.7 C (44.1 F)
1991	6.1 C (43.0 F)
1992	5.0 C (41.0 F)
1993	8.9 C (48.0 F)
1994	7.8 C (46.0 F)
1995	13.9 C (57.0 F)
1996	3.9 C (39.0 F)
1997	0.0 C (32.0 F)
1998	0.6 C (33.1 F)
1999	0.6 C (33.1 F)
2000	0.6 C (33.1 F)
2001	8.3 C (46.9 F)
2002	3.3 C (37.9 F)
2003	5.0 C (41.0 F)
2004	11.7 C (53.1 F)
2005	5.6 C (42.1 F)
2006	8.3 C (46.9 F)
2007	7.8 C (46.0 F)
2008	6.1 C (43.0 F)
2009	7.8 C (46.0 F)
2010	5.6 C (42.1 F)
2011	8.3 C (46.9 F)
2012	9.4 C (48.9 F)

Wettest day (Rx1day)

The wettest day of the year at Cualac, 1980 to 2012. The record is 129.8 mm (5.1 in) in 2004, marked on the chart; the median year is 52.0 mm (2.0 in).

Wettest day (Rx1day) at Cualac by year
Year	Wettest day (Rx1day)
1980	48.8 mm (1.9 in)
1981	43.4 mm (1.7 in)
1982	43.2 mm (1.7 in)
1983	61.2 mm (2.4 in)
1984	53.6 mm (2.1 in)
1985	49.0 mm (1.9 in)
1986	39.6 mm (1.6 in)
1987	62.5 mm (2.5 in)
1989	9.4 mm (0.37 in)
1990	72.4 mm (2.9 in)
1991	68.6 mm (2.7 in)
1992	68.6 mm (2.7 in)
1993	42.2 mm (1.7 in)
1994	50.3 mm (2.0 in)
1995	40.4 mm (1.6 in)
1996	40.4 mm (1.6 in)
1997	59.9 mm (2.4 in)
1998	73.9 mm (2.9 in)
1999	42.2 mm (1.7 in)
2000	60.2 mm (2.4 in)
2001	128.8 mm (5.1 in)
2002	94.0 mm (3.7 in)
2003	80.5 mm (3.2 in)
2004	129.8 mm (5.1 in)
2005	41.9 mm (1.6 in)
2006	49.8 mm (2.0 in)
2007	54.4 mm (2.1 in)
2008	39.9 mm (1.6 in)
2009	53.8 mm (2.1 in)
2010	84.8 mm (3.3 in)
2011	46.0 mm (1.8 in)
2012	40.1 mm (1.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Cualac, 1980 to 2012. The record is 305.9 mm (12.0 in) in 2001, marked on the chart; the median year is 113.8 mm (4.5 in).

Wettest five days (Rx5day) at Cualac by year
Year	Wettest five days (Rx5day)
1980	116.3 mm (4.6 in)
1981	81.8 mm (3.2 in)
1982	82.4 mm (3.2 in)
1983	134.9 mm (5.3 in)
1984	153.0 mm (6.0 in)
1985	104.4 mm (4.1 in)
1986	83.6 mm (3.3 in)
1987	77.3 mm (3.0 in)
1989	9.4 mm (0.37 in)
1990	125.5 mm (4.9 in)
1991	140.5 mm (5.5 in)
1992	107.7 mm (4.2 in)
1993	67.3 mm (2.6 in)
1994	93.8 mm (3.7 in)
1995	93.6 mm (3.7 in)
1996	124.1 mm (4.9 in)
1997	118.1 mm (4.6 in)
1998	120.4 mm (4.7 in)
1999	61.5 mm (2.4 in)
2000	111.1 mm (4.4 in)
2001	305.9 mm (12.0 in)
2002	219.9 mm (8.7 in)
2003	184.9 mm (7.3 in)
2004	249.7 mm (9.8 in)
2005	71.1 mm (2.8 in)
2006	99.6 mm (3.9 in)
2007	103.0 mm (4.1 in)
2008	111.3 mm (4.4 in)
2009	126.5 mm (5.0 in)
2010	142.4 mm (5.6 in)
2011	124.3 mm (4.9 in)
2012	124.1 mm (4.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Cualac, 1980 to 2012. The record is 182 days in 1995, marked on the chart; the median year is 76 days.

Longest dry spell (CDD) at Cualac by year
Year	Longest dry spell (CDD)
1980	40 days
1981	62 days
1982	80 days
1983	72 days
1984	91 days
1985	80 days
1986	68 days
1987	59 days
1989	52 days
1990	31 days
1991	94 days
1992	69 days
1993	102 days
1994	71 days
1995	182 days
1996	111 days
1997	159 days
1998	141 days
1999	126 days
2000	122 days
2001	60 days
2002	81 days
2003	145 days
2004	62 days
2005	54 days
2006	124 days
2007	57 days
2008	115 days
2009	61 days
2010	58 days
2011	105 days
2012	60 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 Cualac standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Cualac 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 2026-10-15 (15 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).