Santiago Teotongo Weather Records (MXN00020137)

Record envelope, standing records and threshold days for Santiago Teotongo (MXN00020137), Mexico, with 34 years of record.

Key Facts for Santiago Teotongo

Santiago Teotongo (MXN00020137) is a weather station in Mexico at 17.72 latitude and -97.53 longitude, 2,076 m (6,811 ft) above sea level.
The station reports from 1969 to 2002, 34 years of record.
1,464 records set at Santiago Teotongo still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 17.72 latitude, -97.53 longitude.
Elevation: 2,076 m (6,811 ft).
Period of record: 1969 to 2002, 34 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 Santiago Teotongo. 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 Santiago Teotongo, 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)	0.0 C (32.0 F)	n/a	n/a
Feb	31.7 C (89.1 F)	-1.1 C (30.0 F)	n/a	n/a
Mar	33.9 C (93.0 F)	0.0 C (32.0 F)	n/a	n/a
Apr	36.7 C (98.1 F)	0.6 C (33.1 F)	n/a	n/a
May	35.0 C (95.0 F)	2.2 C (36.0 F)	n/a	n/a
Jun	30.6 C (87.1 F)	2.8 C (37.0 F)	n/a	n/a
Jul	30.0 C (86.0 F)	1.7 C (35.1 F)	n/a	n/a
Aug	28.9 C (84.0 F)	1.7 C (35.1 F)	n/a	n/a
Sep	31.1 C (88.0 F)	1.7 C (35.1 F)	n/a	n/a
Oct	28.9 C (84.0 F)	0.0 C (32.0 F)	n/a	n/a
Nov	32.8 C (91.0 F)	0.0 C (32.0 F)	n/a	n/a
Dec	33.9 C (93.0 F)	0.0 C (32.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Santiago Teotongo still stand. 1973 holds the most, with 192.

Standing records at Santiago Teotongo by the year they were set
Year set	Standing records
1969	55
1970	79
1971	49
1972	52
1973	192
1974	54
1975	56
1976	68
1977	56
1978	58
1979	47
1980	12
1981	12
1982	72
1983	77
1984	50
1985	27
1986	37
1987	37
1988	43
1990	25
1991	24
1992	18
1993	22
1994	20
1995	31
1996	44
1997	28
1998	43
1999	21
2000	34
2001	15
2002	6

Wettest Day of Each Month

Sep: 89.9 mm (3.5 in)

The wettest day on record for each calendar month at Santiago Teotongo. The most was 89.9 mm (3.5 in) on 11 September 1975.

Record daily precipitation for each month at Santiago Teotongo
Month	Record daily precipitation (mm)	Date
Jan	19.8 mm (0.8 in)	18 January 1969
Feb	46.0 mm (1.8 in)	25 February 1983
Mar	30.0 mm (1.2 in)	14 March 1983
Apr	31.0 mm (1.2 in)	29 April 1973
May	84.8 mm (3.3 in)	8 May 1982
Jun	65.8 mm (2.6 in)	9 June 1975
Jul	57.4 mm (2.3 in)	27 July 1973
Aug	41.9 mm (1.6 in)	1 August 1994
Sep	89.9 mm (3.5 in)	11 September 1975
Oct	46.0 mm (1.8 in)	6 October 1999
Nov	18.8 mm (0.7 in)	30 November 1983
Dec	26.9 mm (1.1 in)	30 December 1995

Period of Record Coverage

1969 to 2002

33 years of record at Santiago Teotongo, 1969 to 2002. 6 years have data for under 90 percent of days and are left out of rankings: 1969, 1970, 1980, 1981, 2001, 2002.

Days with data per year at Santiago Teotongo
Year	Days with data	Share of year	Complete
1969	59	16%	No
1970	212	58%	No
1971	365	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	335	92%	Yes
1975	364	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	152	42%	No
1981	92	25%	No
1982	365	100%	Yes
1983	365	100%	Yes
1984	366	100%	Yes
1985	365	100%	Yes
1986	365	100%	Yes
1987	355	97%	Yes
1988	366	100%	Yes
1990	365	100%	Yes
1991	364	100%	Yes
1992	366	100%	Yes
1993	365	100%	Yes
1994	365	100%	Yes
1995	365	100%	Yes
1996	352	96%	Yes
1997	365	100%	Yes
1998	334	92%	Yes
1999	365	100%	Yes
2000	366	100%	Yes
2001	304	83%	No
2002	150	41%	No

Latest Records

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

Climate Trend

24 complete years, 1971 to 2000

One stripe for each of 24 complete years at Santiago Teotongo, 1971 to 2000. Blue stripes are years cooler than the station's own mean of 15.7 C (60.3 F); red stripes are warmer. The coolest year was 2000, at 14.3 C (57.8 F), and the warmest was 1982, at 16.5 C (61.7 F). The strongest colour marks a difference of 1.5 C (2.7 F).

Annual mean temperature at Santiago Teotongo as warming stripes, 1971 to 2000
Year	Annual mean temperature	Difference from the station mean
1971	16.2 C	+0.47 C
1972	16.3 C	+0.62 C
1973	14.5 C	-1.20 C
1975	15.4 C	-0.31 C
1976	15.5 C	-0.17 C
1977	16.2 C	+0.45 C
1978	16.1 C	+0.40 C
1979	16.2 C	+0.48 C
1982	16.5 C	+0.80 C
1983	16.3 C	+0.55 C
1984	15.7 C	+0.02 C
1985	15.7 C	-0.05 C
1986	15.9 C	+0.18 C
1987	16.0 C	+0.25 C
1988	16.0 C	+0.32 C
1990	15.7 C	+0.01 C
1991	15.9 C	+0.23 C
1992	15.5 C	-0.19 C
1993	15.7 C	+0.02 C
1994	15.9 C	+0.18 C
1995	16.0 C	+0.26 C
1997	14.8 C	-0.90 C
1999	14.8 C	-0.95 C
2000	14.3 C	-1.40 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

1969 to 2002

Yearly extremes at Santiago Teotongo: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.7 C (98.1 F)	1971	30.6 C (87.1 F)	33
Coldest night (TNn)	-1.1 C (30.0 F)	1978	0.0 C (32.0 F)	33
Wettest day (Rx1day)	89.9 mm (3.5 in)	1975	40.1 mm (1.6 in)	33
Wettest five days (Rx5day)	251.7 mm (9.9 in)	1975	74.2 mm (2.9 in)	33
Longest dry spell (CDD)	156 days	1993	75 days	33

Hottest day (TXx)

The hottest day of the year at Santiago Teotongo, 1969 to 2002. The record is 36.7 C (98.1 F) in 1971, marked on the chart; the median year is 30.6 C (87.1 F).

Hottest day (TXx) at Santiago Teotongo by year
Year	Hottest day (TXx)
1969	25.0 C (77.0 F)
1970	35.0 C (95.0 F)
1971	36.7 C (98.1 F)
1972	30.6 C (87.1 F)
1973	33.9 C (93.0 F)
1974	35.0 C (95.0 F)
1975	30.6 C (87.1 F)
1976	27.8 C (82.0 F)
1977	31.7 C (89.1 F)
1978	35.0 C (95.0 F)
1979	35.0 C (95.0 F)
1980	32.8 C (91.0 F)
1981	26.1 C (79.0 F)
1982	31.1 C (88.0 F)
1983	31.7 C (89.1 F)
1984	31.1 C (88.0 F)
1985	28.9 C (84.0 F)
1986	30.6 C (87.1 F)
1987	29.4 C (84.9 F)
1988	32.2 C (90.0 F)
1990	28.3 C (82.9 F)
1991	32.2 C (90.0 F)
1992	28.3 C (82.9 F)
1993	31.7 C (89.1 F)
1994	31.1 C (88.0 F)
1995	30.6 C (87.1 F)
1996	28.3 C (82.9 F)
1997	25.6 C (78.1 F)
1998	32.8 C (91.0 F)
1999	28.9 C (84.0 F)
2000	27.8 C (82.0 F)
2001	28.9 C (84.0 F)
2002	28.9 C (84.0 F)

Coldest night (TNn)

The coldest night of the year at Santiago Teotongo, 1969 to 2002. The record is -1.1 C (30.0 F) in 1978, marked on the chart; the median year is 0.0 C (32.0 F).

Coldest night (TNn) at Santiago Teotongo by year
Year	Coldest night (TNn)
1969	10.0 C (50.0 F)
1970	2.8 C (37.0 F)
1971	2.8 C (37.0 F)
1972	1.7 C (35.1 F)
1973	0.0 C (32.0 F)
1974	1.7 C (35.1 F)
1975	0.6 C (33.1 F)
1976	0.6 C (33.1 F)
1977	0.6 C (33.1 F)
1978	-1.1 C (30.0 F)
1979	1.7 C (35.1 F)
1980	0.6 C (33.1 F)
1981	1.7 C (35.1 F)
1982	0.0 C (32.0 F)
1983	0.0 C (32.0 F)
1984	0.0 C (32.0 F)
1985	2.2 C (36.0 F)
1986	0.0 C (32.0 F)
1987	0.0 C (32.0 F)
1988	0.0 C (32.0 F)
1990	0.0 C (32.0 F)
1991	0.6 C (33.1 F)
1992	0.0 C (32.0 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	0.0 C (32.0 F)
1998	0.0 C (32.0 F)
1999	0.0 C (32.0 F)
2000	0.0 C (32.0 F)
2001	0.0 C (32.0 F)
2002	0.0 C (32.0 F)

Wettest day (Rx1day)

The wettest day of the year at Santiago Teotongo, 1969 to 2002. The record is 89.9 mm (3.5 in) in 1975, marked on the chart; the median year is 40.1 mm (1.6 in).

Wettest day (Rx1day) at Santiago Teotongo by year
Year	Wettest day (Rx1day)
1969	19.8 mm (0.8 in)
1970	7.9 mm (0.31 in)
1971	43.9 mm (1.7 in)
1972	24.9 mm (1.0 in)
1973	57.4 mm (2.3 in)
1974	30.0 mm (1.2 in)
1975	89.9 mm (3.5 in)
1976	40.1 mm (1.6 in)
1977	44.5 mm (1.8 in)
1978	23.4 mm (0.9 in)
1979	41.4 mm (1.6 in)
1980	25.7 mm (1.0 in)
1981	7.9 mm (0.31 in)
1982	84.8 mm (3.3 in)
1983	46.0 mm (1.8 in)
1984	32.8 mm (1.3 in)
1985	47.8 mm (1.9 in)
1986	33.8 mm (1.3 in)
1987	41.9 mm (1.6 in)
1988	64.8 mm (2.6 in)
1990	46.0 mm (1.8 in)
1991	42.9 mm (1.7 in)
1992	26.9 mm (1.1 in)
1993	47.8 mm (1.9 in)
1994	41.9 mm (1.6 in)
1995	40.9 mm (1.6 in)
1996	32.8 mm (1.3 in)
1997	31.0 mm (1.2 in)
1998	27.9 mm (1.1 in)
1999	46.0 mm (1.8 in)
2000	28.4 mm (1.1 in)
2001	39.9 mm (1.6 in)
2002	17.8 mm (0.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Santiago Teotongo, 1969 to 2002. The record is 251.7 mm (9.9 in) in 1975, marked on the chart; the median year is 74.2 mm (2.9 in).

Wettest five days (Rx5day) at Santiago Teotongo by year
Year	Wettest five days (Rx5day)
1969	19.8 mm (0.8 in)
1970	7.9 mm (0.31 in)
1971	74.2 mm (2.9 in)
1972	55.9 mm (2.2 in)
1973	110.8 mm (4.4 in)
1974	91.4 mm (3.6 in)
1975	251.7 mm (9.9 in)
1976	76.0 mm (3.0 in)
1977	77.7 mm (3.1 in)
1978	36.6 mm (1.4 in)
1979	95.8 mm (3.8 in)
1980	26.7 mm (1.1 in)
1981	7.9 mm (0.31 in)
1982	192.5 mm (7.6 in)
1983	96.8 mm (3.8 in)
1984	68.7 mm (2.7 in)
1985	166.2 mm (6.5 in)
1986	57.9 mm (2.3 in)
1987	73.2 mm (2.9 in)
1988	118.2 mm (4.7 in)
1990	79.6 mm (3.1 in)
1991	145.0 mm (5.7 in)
1992	69.3 mm (2.7 in)
1993	100.3 mm (3.9 in)
1994	100.5 mm (4.0 in)
1995	61.3 mm (2.4 in)
1996	58.5 mm (2.3 in)
1997	70.1 mm (2.8 in)
1998	78.4 mm (3.1 in)
1999	68.6 mm (2.7 in)
2000	64.7 mm (2.5 in)
2001	159.5 mm (6.3 in)
2002	37.4 mm (1.5 in)

Longest dry spell (CDD)

The longest dry spell of the year at Santiago Teotongo, 1969 to 2002. The record is 156 days in 1993, marked on the chart; the median year is 75 days.

Longest dry spell (CDD) at Santiago Teotongo by year
Year	Longest dry spell (CDD)
1969	36 days
1970	65 days
1971	91 days
1972	73 days
1973	100 days
1974	93 days
1975	106 days
1976	86 days
1977	81 days
1978	52 days
1979	88 days
1980	70 days
1981	62 days
1982	81 days
1983	71 days
1984	87 days
1985	52 days
1986	52 days
1987	96 days
1988	89 days
1990	50 days
1991	74 days
1992	55 days
1993	156 days
1994	91 days
1995	45 days
1996	66 days
1997	87 days
1998	110 days
1999	82 days
2000	71 days
2001	61 days
2002	75 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 Santiago Teotongo standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Santiago Teotongo 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).