Santa Cruz Tezontepec E-21 Weather Records (MXN00015298)

Record envelope, standing records and threshold days for Santa Cruz Tezontepec E-21 (MXN00015298), Mexico, with 30 years of record.

Key Facts for Santa Cruz Tezontepec E-21

Santa Cruz Tezontepec E-21 (MXN00015298) is a weather station in Mexico at 19.05 latitude and -99.38 longitude, 2,827 m (9,274 ft) above sea level.
The station reports from 1979 to 2008, 30 years of record.
1,464 records set at Santa Cruz Tezontepec E-21 still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 19.05 latitude, -99.38 longitude.
Elevation: 2,827 m (9,274 ft).
Period of record: 1979 to 2008, 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 Santa Cruz Tezontepec E-21. 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 Santa Cruz Tezontepec E-21, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	25.6 C (78.1 F)	-2.2 C (28.0 F)	n/a	n/a
Feb	30.6 C (87.1 F)	-0.6 C (30.9 F)	n/a	n/a
Mar	30.0 C (86.0 F)	-2.2 C (28.0 F)	n/a	n/a
Apr	32.2 C (90.0 F)	-2.2 C (28.0 F)	n/a	n/a
May	31.7 C (89.1 F)	2.8 C (37.0 F)	n/a	n/a
Jun	33.9 C (93.0 F)	5.6 C (42.1 F)	n/a	n/a
Jul	26.7 C (80.1 F)	5.0 C (41.0 F)	n/a	n/a
Aug	27.8 C (82.0 F)	5.0 C (41.0 F)	n/a	n/a
Sep	27.8 C (82.0 F)	1.7 C (35.1 F)	n/a	n/a
Oct	27.8 C (82.0 F)	-1.1 C (30.0 F)	n/a	n/a
Nov	27.8 C (82.0 F)	-3.3 C (26.1 F)	n/a	n/a
Dec	26.7 C (80.1 F)	-5.0 C (23.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Santa Cruz Tezontepec E-21 still stand. 2005 holds the most, with 306.

Standing records at Santa Cruz Tezontepec E-21 by the year they were set
Year set	Standing records
1981	107
1982	239
1983	104
1984	51
1985	48
1986	44
1987	57
1988	41
1989	41
1990	25
1991	37
1992	55
1993	25
1994	15
1995	21
1996	30
1997	40
1998	49
1999	10
2000	20
2001	24
2002	25
2003	19
2004	3
2005	306
2008	28

Wettest Day of Each Month

Jul: 94.2 mm (3.7 in)

The wettest day on record for each calendar month at Santa Cruz Tezontepec E-21. The most was 94.2 mm (3.7 in) on 8 July 2008.

Record daily precipitation for each month at Santa Cruz Tezontepec E-21
Month	Record daily precipitation (mm)	Date
Jan	45.0 mm (1.8 in)	13 January 2002
Feb	31.8 mm (1.3 in)	2 February 1992
Mar	36.8 mm (1.4 in)	4 March 1988
Apr	32.8 mm (1.3 in)	25 April 1990
May	75.4 mm (3.0 in)	25 May 1995
Jun	88.9 mm (3.5 in)	5 June 2002
Jul	94.2 mm (3.7 in)	8 July 2008
Aug	67.8 mm (2.7 in)	7 August 1995
Sep	73.2 mm (2.9 in)	11 September 1998
Oct	59.9 mm (2.4 in)	6 October 2005
Nov	53.3 mm (2.1 in)	3 November 2002
Dec	44.2 mm (1.7 in)	30 December 1995

Period of Record Coverage

1981 to 2008

26 years of record at Santa Cruz Tezontepec E-21, 1981 to 2008. 5 years have data for under 90 percent of days and are left out of rankings: 1981, 1999, 2001, 2003, 2004.

Days with data per year at Santa Cruz Tezontepec E-21
Year	Days with data	Share of year	Complete
1981	256	70%	No
1982	365	100%	Yes
1983	362	99%	Yes
1984	366	100%	Yes
1985	364	100%	Yes
1986	365	100%	Yes
1987	365	100%	Yes
1988	366	100%	Yes
1989	365	100%	Yes
1990	365	100%	Yes
1991	364	100%	Yes
1992	365	100%	Yes
1993	364	100%	Yes
1994	365	100%	Yes
1995	331	91%	Yes
1996	364	99%	Yes
1997	359	98%	Yes
1998	360	99%	Yes
1999	239	65%	No
2000	355	97%	Yes
2001	302	83%	No
2002	357	98%	Yes
2003	208	57%	No
2004	91	25%	No
2005	333	91%	Yes
2008	366	100%	Yes

Latest Records

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

Climate Trend

19 complete years, 1982 to 2008

One stripe for each of 19 complete years at Santa Cruz Tezontepec E-21, 1982 to 2008. Blue stripes are years cooler than the station's own mean of 14.5 C (58.1 F); red stripes are warmer. The coolest year was 1992, at 13.9 C (57.0 F), and the warmest was 1982, at 15.1 C (59.1 F). The strongest colour marks a difference of 0.7 C (1.3 F).

Annual mean temperature at Santa Cruz Tezontepec E-21 as warming stripes, 1982 to 2008
Year	Annual mean temperature	Difference from the station mean
1982	15.1 C	+0.59 C
1983	14.8 C	+0.34 C
1984	14.3 C	-0.18 C
1985	14.2 C	-0.24 C
1986	14.4 C	-0.09 C
1987	14.7 C	+0.17 C
1988	14.9 C	+0.42 C
1989	14.5 C	+0.04 C
1990	14.6 C	+0.07 C
1991	14.8 C	+0.29 C
1992	13.9 C	-0.61 C
1993	14.3 C	-0.17 C
1994	14.6 C	+0.16 C
1996	14.2 C	-0.24 C
1997	14.2 C	-0.32 C
1998	14.8 C	+0.28 C
2000	14.4 C	-0.10 C
2002	14.5 C	-0.02 C
2008	14.2 C	-0.33 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

1979 to 2008

Yearly extremes at Santa Cruz Tezontepec E-21: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	33.9 C (93.0 F)	2005	28.3 C (82.9 F)	26
Coldest night (TNn)	-5.0 C (23.0 F)	2005	0.6 C (33.1 F)	26
Wettest day (Rx1day)	94.2 mm (3.7 in)	2008	53.9 mm (2.1 in)	28
Wettest five days (Rx5day)	218.7 mm (8.6 in)	1998	125.9 mm (5.0 in)	28
Longest dry spell (CDD)	124 days	1991	57 days	28

Hottest day (TXx)

The hottest day of the year at Santa Cruz Tezontepec E-21, 1979 to 2008. The record is 33.9 C (93.0 F) in 2005, marked on the chart; the median year is 28.3 C (82.9 F).

Hottest day (TXx) at Santa Cruz Tezontepec E-21 by year
Year	Hottest day (TXx)
1979	n/a
1980	n/a
1981	28.3 C (82.9 F)
1982	30.0 C (86.0 F)
1983	30.0 C (86.0 F)
1984	28.9 C (84.0 F)
1985	26.7 C (80.1 F)
1986	29.4 C (84.9 F)
1987	27.8 C (82.0 F)
1988	30.0 C (86.0 F)
1989	28.3 C (82.9 F)
1990	28.3 C (82.9 F)
1991	29.4 C (84.9 F)
1992	32.2 C (90.0 F)
1993	28.9 C (84.0 F)
1994	28.9 C (84.0 F)
1995	28.3 C (82.9 F)
1996	27.2 C (81.0 F)
1997	26.7 C (80.1 F)
1998	30.0 C (86.0 F)
1999	27.2 C (81.0 F)
2000	28.3 C (82.9 F)
2001	27.8 C (82.0 F)
2002	28.3 C (82.9 F)
2003	30.0 C (86.0 F)
2004	25.0 C (77.0 F)
2005	33.9 C (93.0 F)
2008	28.3 C (82.9 F)

Coldest night (TNn)

The coldest night of the year at Santa Cruz Tezontepec E-21, 1979 to 2008. The record is -5.0 C (23.0 F) in 2005, marked on the chart; the median year is 0.6 C (33.1 F).

Coldest night (TNn) at Santa Cruz Tezontepec E-21 by year
Year	Coldest night (TNn)
1979	n/a
1980	n/a
1981	3.9 C (39.0 F)
1982	0.0 C (32.0 F)
1983	1.7 C (35.1 F)
1984	0.6 C (33.1 F)
1985	1.7 C (35.1 F)
1986	0.6 C (33.1 F)
1987	0.0 C (32.0 F)
1988	1.7 C (35.1 F)
1989	0.0 C (32.0 F)
1990	0.0 C (32.0 F)
1991	1.7 C (35.1 F)
1992	-0.6 C (30.9 F)
1993	0.6 C (33.1 F)
1994	0.6 C (33.1 F)
1995	0.0 C (32.0 F)
1996	0.0 C (32.0 F)
1997	-2.2 C (28.0 F)
1998	0.0 C (32.0 F)
1999	0.6 C (33.1 F)
2000	0.6 C (33.1 F)
2001	0.6 C (33.1 F)
2002	0.6 C (33.1 F)
2003	1.7 C (35.1 F)
2004	5.0 C (41.0 F)
2005	-5.0 C (23.0 F)
2008	0.0 C (32.0 F)

Wettest day (Rx1day)

The wettest day of the year at Santa Cruz Tezontepec E-21, 1979 to 2008. The record is 94.2 mm (3.7 in) in 2008, marked on the chart; the median year is 53.9 mm (2.1 in).

Wettest day (Rx1day) at Santa Cruz Tezontepec E-21 by year
Year	Wettest day (Rx1day)
1979	0.0 mm (0.00 in)
1980	62.0 mm (2.4 in)
1981	52.8 mm (2.1 in)
1982	26.9 mm (1.1 in)
1983	52.8 mm (2.1 in)
1984	47.0 mm (1.9 in)
1985	54.9 mm (2.2 in)
1986	84.8 mm (3.3 in)
1987	56.9 mm (2.2 in)
1988	79.8 mm (3.1 in)
1989	52.3 mm (2.1 in)
1990	38.4 mm (1.5 in)
1991	41.9 mm (1.6 in)
1992	57.9 mm (2.3 in)
1993	40.9 mm (1.6 in)
1994	47.0 mm (1.9 in)
1995	75.4 mm (3.0 in)
1996	43.7 mm (1.7 in)
1997	74.9 mm (2.9 in)
1998	73.2 mm (2.9 in)
1999	34.3 mm (1.4 in)
2000	45.0 mm (1.8 in)
2001	64.8 mm (2.6 in)
2002	88.9 mm (3.5 in)
2003	56.9 mm (2.2 in)
2004	48.8 mm (1.9 in)
2005	59.9 mm (2.4 in)
2008	94.2 mm (3.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Santa Cruz Tezontepec E-21, 1979 to 2008. The record is 218.7 mm (8.6 in) in 1998, marked on the chart; the median year is 125.9 mm (5.0 in).

Wettest five days (Rx5day) at Santa Cruz Tezontepec E-21 by year
Year	Wettest five days (Rx5day)
1979	0.0 mm (0.00 in)
1980	165.6 mm (6.5 in)
1981	120.1 mm (4.7 in)
1982	67.6 mm (2.7 in)
1983	104.4 mm (4.1 in)
1984	131.1 mm (5.2 in)
1985	130.4 mm (5.1 in)
1986	130.5 mm (5.1 in)
1987	106.2 mm (4.2 in)
1988	139.5 mm (5.5 in)
1989	160.8 mm (6.3 in)
1990	102.5 mm (4.0 in)
1991	113.6 mm (4.5 in)
1992	96.0 mm (3.8 in)
1993	124.9 mm (4.9 in)
1994	118.4 mm (4.7 in)
1995	145.3 mm (5.7 in)
1996	83.3 mm (3.3 in)
1997	157.4 mm (6.2 in)
1998	218.7 mm (8.6 in)
1999	76.8 mm (3.0 in)
2000	128.5 mm (5.1 in)
2001	203.0 mm (8.0 in)
2002	196.7 mm (7.7 in)
2003	126.8 mm (5.0 in)
2004	95.6 mm (3.8 in)
2005	85.3 mm (3.4 in)
2008	201.9 mm (7.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Santa Cruz Tezontepec E-21, 1979 to 2008. The record is 124 days in 1991, marked on the chart; the median year is 57 days.

Longest dry spell (CDD) at Santa Cruz Tezontepec E-21 by year
Year	Longest dry spell (CDD)
1979	31 days
1980	94 days
1981	34 days
1982	52 days
1983	68 days
1984	62 days
1985	55 days
1986	47 days
1987	77 days
1988	76 days
1989	113 days
1990	26 days
1991	124 days
1992	28 days
1993	44 days
1994	64 days
1995	51 days
1996	67 days
1997	39 days
1998	93 days
1999	61 days
2000	124 days
2001	36 days
2002	49 days
2003	59 days
2004	4 days
2005	52 days
2008	115 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 Santa Cruz Tezontepec E-21 standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Santa Cruz Tezontepec E-21 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).