El Testerazo Weather Records (MXN00002024)

Record envelope, standing records and threshold days for El Testerazo (MXN00002024), Mexico, with 43 years of record.

Key Facts for El Testerazo

El Testerazo (MXN00002024) is a weather station in Mexico at 32.28 latitude and -116.53 longitude, 380 m (1,246 ft) above sea level.
The station reports from 1970 to 2012, 43 years of record.
1,464 records set at El Testerazo still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 32.28 latitude, -116.53 longitude.
Elevation: 380 m (1,246 ft).
Period of record: 1970 to 2012, 43 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 Testerazo. 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 Testerazo, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	40.6 C (105.1 F)	-6.1 C (21.0 F)	n/a	n/a
Feb	32.8 C (91.0 F)	-6.1 C (21.0 F)	n/a	n/a
Mar	37.8 C (100.0 F)	-1.1 C (30.0 F)	n/a	n/a
Apr	40.6 C (105.1 F)	0.0 C (32.0 F)	n/a	n/a
May	41.7 C (107.1 F)	0.6 C (33.1 F)	n/a	n/a
Jun	45.0 C (113.0 F)	3.9 C (39.0 F)	n/a	n/a
Jul	48.9 C (120.0 F)	5.6 C (42.1 F)	n/a	n/a
Aug	45.0 C (113.0 F)	6.7 C (44.1 F)	n/a	n/a
Sep	45.0 C (113.0 F)	3.9 C (39.0 F)	n/a	n/a
Oct	41.7 C (107.1 F)	0.0 C (32.0 F)	n/a	n/a
Nov	40.0 C (104.0 F)	-4.4 C (24.1 F)	n/a	n/a
Dec	38.9 C (102.0 F)	-7.2 C (19.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at El Testerazo still stand. 1999 holds the most, with 97.

Standing records at El Testerazo by the year they were set
Year set	Standing records
1974	39
1975	82
1976	74
1977	84
1978	75
1979	76
1980	48
1996	54
1997	81
1998	60
1999	97
2000	83
2001	74
2002	97
2003	75
2004	17
2005	16
2006	69
2007	71
2008	34
2009	32
2010	58
2011	44
2012	24

Wettest Day of Each Month

Jan: 166.9 mm (6.6 in)

The wettest day on record for each calendar month at El Testerazo. The most was 166.9 mm (6.6 in) on 29 January 1980.

Record daily precipitation for each month at El Testerazo
Month	Record daily precipitation (mm)	Date
Jan	166.9 mm (6.6 in)	29 January 1980
Feb	69.3 mm (2.7 in)	18 February 2011
Mar	40.9 mm (1.6 in)	4 March 1978
Apr	23.9 mm (0.9 in)	14 April 2003
May	16.3 mm (0.6 in)	8 May 1977
Jun	36.8 mm (1.4 in)	5 June 1972
Jul	56.4 mm (2.2 in)	5 July 2011
Aug	48.8 mm (1.9 in)	16 August 1977
Sep	31.8 mm (1.3 in)	10 September 1976
Oct	31.8 mm (1.3 in)	26 October 2004
Nov	30.5 mm (1.2 in)	11 November 2011
Dec	64.5 mm (2.5 in)	28 December 2004

Period of Record Coverage

1974 to 2012

24 years of record at El Testerazo, 1974 to 2012. 6 years have data for under 90 percent of days and are left out of rankings: 1974, 1980, 2004, 2005, 2008, 2012.

Days with data per year at El Testerazo
Year	Days with data	Share of year	Complete
1974	203	56%	No
1975	365	100%	Yes
1976	365	100%	Yes
1977	364	100%	Yes
1978	364	100%	Yes
1979	365	100%	Yes
1980	171	47%	No
1996	359	98%	Yes
1997	363	99%	Yes
1998	363	99%	Yes
1999	363	99%	Yes
2000	364	99%	Yes
2001	364	100%	Yes
2002	356	98%	Yes
2003	329	90%	Yes
2004	147	40%	No
2005	145	40%	No
2006	346	95%	Yes
2007	365	100%	Yes
2008	182	50%	No
2009	360	99%	Yes
2010	361	99%	Yes
2011	361	99%	Yes
2012	151	41%	No

Latest Records

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

Climate Trend

17 complete years, 1975 to 2011

One stripe for each of 17 complete years at El Testerazo, 1975 to 2011. Blue stripes are years cooler than the station's own mean of 17.5 C (63.5 F); red stripes are warmer. The coolest year was 1996, at 16.7 C (62.1 F), and the warmest was 2006, at 19.0 C (66.2 F). The strongest colour marks a difference of 1.6 C (2.9 F).

Annual mean temperature at El Testerazo as warming stripes, 1975 to 2011
Year	Annual mean temperature	Difference from the station mean
1975	16.8 C	-0.69 C
1976	17.6 C	+0.11 C
1977	18.0 C	+0.51 C
1978	17.7 C	+0.17 C
1979	16.9 C	-0.65 C
1996	16.7 C	-0.80 C
1997	18.3 C	+0.76 C
1998	16.9 C	-0.60 C
1999	17.2 C	-0.29 C
2000	17.2 C	-0.28 C
2001	16.9 C	-0.57 C
2002	17.1 C	-0.45 C
2006	19.0 C	+1.51 C
2007	18.5 C	+1.03 C
2009	18.4 C	+0.91 C
2010	17.2 C	-0.35 C
2011	17.1 C	-0.40 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

1970 to 2012

Yearly extremes at El Testerazo: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	48.9 C (120.0 F)	1999	43.9 C (111.0 F)	24
Coldest night (TNn)	-7.2 C (19.0 F)	2000	-2.7 C (27.1 F)	24
Wettest day (Rx1day)	166.9 mm (6.6 in)	1980	35.8 mm (1.4 in)	27
Wettest five days (Rx5day)	204.8 mm (8.1 in)	1980	60.3 mm (2.4 in)	27
Longest dry spell (CDD)	241 days	2009	103 days	27

Hottest day (TXx)

The hottest day of the year at El Testerazo, 1970 to 2012. The record is 48.9 C (120.0 F) in 1999, marked on the chart; the median year is 43.9 C (111.0 F).

Hottest day (TXx) at El Testerazo by year
Year	Hottest day (TXx)
1970	n/a
1972	n/a
1973	n/a
1974	43.9 C (111.0 F)
1975	41.7 C (107.1 F)
1976	43.9 C (111.0 F)
1977	41.7 C (107.1 F)
1978	42.8 C (109.0 F)
1979	45.0 C (113.0 F)
1980	36.7 C (98.1 F)
1996	40.6 C (105.1 F)
1997	45.0 C (113.0 F)
1998	45.0 C (113.0 F)
1999	48.9 C (120.0 F)
2000	43.9 C (111.0 F)
2001	43.9 C (111.0 F)
2002	45.0 C (113.0 F)
2003	43.9 C (111.0 F)
2004	43.9 C (111.0 F)
2005	42.8 C (109.0 F)
2006	47.8 C (118.0 F)
2007	43.9 C (111.0 F)
2008	42.8 C (109.0 F)
2009	43.9 C (111.0 F)
2010	43.9 C (111.0 F)
2011	42.8 C (109.0 F)
2012	37.8 C (100.0 F)

Coldest night (TNn)

The coldest night of the year at El Testerazo, 1970 to 2012. The record is -7.2 C (19.0 F) in 2000, marked on the chart; the median year is -2.7 C (27.1 F).

Coldest night (TNn) at El Testerazo by year
Year	Coldest night (TNn)
1970	n/a
1972	n/a
1973	n/a
1974	-6.1 C (21.0 F)
1975	-2.2 C (28.0 F)
1976	-2.2 C (28.0 F)
1977	-1.1 C (30.0 F)
1978	-4.4 C (24.1 F)
1979	-4.4 C (24.1 F)
1980	-2.2 C (28.0 F)
1996	-4.4 C (24.1 F)
1997	0.0 C (32.0 F)
1998	-5.0 C (23.0 F)
1999	-3.3 C (26.1 F)
2000	-7.2 C (19.0 F)
2001	-5.0 C (23.0 F)
2002	-6.1 C (21.0 F)
2003	0.0 C (32.0 F)
2004	-0.6 C (30.9 F)
2005	0.0 C (32.0 F)
2006	0.0 C (32.0 F)
2007	0.0 C (32.0 F)
2008	0.0 C (32.0 F)
2009	0.0 C (32.0 F)
2010	-6.1 C (21.0 F)
2011	-5.0 C (23.0 F)
2012	-4.4 C (24.1 F)

Wettest day (Rx1day)

The wettest day of the year at El Testerazo, 1970 to 2012. The record is 166.9 mm (6.6 in) in 1980, marked on the chart; the median year is 35.8 mm (1.4 in).

Wettest day (Rx1day) at El Testerazo by year
Year	Wettest day (Rx1day)
1970	35.8 mm (1.4 in)
1972	36.8 mm (1.4 in)
1973	25.9 mm (1.0 in)
1974	43.9 mm (1.7 in)
1975	21.8 mm (0.9 in)
1976	31.8 mm (1.3 in)
1977	49.8 mm (2.0 in)
1978	54.9 mm (2.2 in)
1979	31.8 mm (1.3 in)
1980	166.9 mm (6.6 in)
1996	30.0 mm (1.2 in)
1997	39.9 mm (1.6 in)
1998	51.8 mm (2.0 in)
1999	22.9 mm (0.9 in)
2000	16.3 mm (0.6 in)
2001	25.1 mm (1.0 in)
2002	15.7 mm (0.6 in)
2003	41.9 mm (1.6 in)
2004	64.5 mm (2.5 in)
2005	8.4 mm (0.33 in)
2006	13.7 mm (0.5 in)
2007	11.2 mm (0.4 in)
2008	39.9 mm (1.6 in)
2009	36.1 mm (1.4 in)
2010	41.4 mm (1.6 in)
2011	69.3 mm (2.7 in)
2012	13.0 mm (0.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at El Testerazo, 1970 to 2012. The record is 204.8 mm (8.1 in) in 1980, marked on the chart; the median year is 60.3 mm (2.4 in).

Wettest five days (Rx5day) at El Testerazo by year
Year	Wettest five days (Rx5day)
1970	99.5 mm (3.9 in)
1972	38.9 mm (1.5 in)
1973	45.8 mm (1.8 in)
1974	86.3 mm (3.4 in)
1975	45.5 mm (1.8 in)
1976	72.1 mm (2.8 in)
1977	81.2 mm (3.2 in)
1978	128.3 mm (5.1 in)
1979	63.9 mm (2.5 in)
1980	204.8 mm (8.1 in)
1996	39.9 mm (1.6 in)
1997	60.3 mm (2.4 in)
1998	109.7 mm (4.3 in)
1999	31.1 mm (1.2 in)
2000	52.1 mm (2.1 in)
2001	47.6 mm (1.9 in)
2002	28.0 mm (1.1 in)
2003	62.8 mm (2.5 in)
2004	68.8 mm (2.7 in)
2005	68.8 mm (2.7 in)
2006	25.6 mm (1.0 in)
2007	17.3 mm (0.7 in)
2008	60.0 mm (2.4 in)
2009	51.1 mm (2.0 in)
2010	132.9 mm (5.2 in)
2011	88.3 mm (3.5 in)
2012	20.6 mm (0.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at El Testerazo, 1970 to 2012. The record is 241 days in 2009, marked on the chart; the median year is 103 days.

Longest dry spell (CDD) at El Testerazo by year
Year	Longest dry spell (CDD)
1970	18 days
1972	104 days
1973	196 days
1974	123 days
1975	142 days
1976	97 days
1977	70 days
1978	152 days
1979	92 days
1980	40 days
1996	97 days
1997	86 days
1998	57 days
1999	79 days
2000	87 days
2001	141 days
2002	78 days
2003	103 days
2004	229 days
2005	230 days
2006	216 days
2007	230 days
2008	222 days
2009	241 days
2010	179 days
2011	78 days
2012	36 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 Testerazo standing records by year: CSV or JSON. Field meanings are on the data page.
Data for El Testerazo 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).