Santiago Tamazola Weather Records (MXN00020146)

Record envelope, standing records and threshold days for Santiago Tamazola (MXN00020146), Mexico, with 39 years of record.

Key Facts for Santiago Tamazola

Santiago Tamazola (MXN00020146) is a weather station in Mexico at 17.67 latitude and -98.22 longitude, 1,782 m (5,846 ft) above sea level.
The station reports from 1963 to 2001, 39 years of record.
1,464 records set at Santiago Tamazola still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Santiago Tamazola set a daily record high maximum temperature of 27.2 C (81.0 F) on 31 December 2001.

About the Station

Location: Mexico, 17.67 latitude, -98.22 longitude.
Elevation: 1,782 m (5,846 ft).
Period of record: 1963 to 2001, 39 years.
Eligible elements: tmax, tmin, prcp.

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 Tamazola. 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 Tamazola, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	30.6 C (87.1 F)	2.2 C (36.0 F)	n/a	n/a
Feb	30.0 C (86.0 F)	5.0 C (41.0 F)	n/a	n/a
Mar	32.8 C (91.0 F)	5.6 C (42.1 F)	n/a	n/a
Apr	35.6 C (96.1 F)	8.3 C (46.9 F)	n/a	n/a
May	34.4 C (93.9 F)	6.7 C (44.1 F)	n/a	n/a
Jun	32.2 C (90.0 F)	8.9 C (48.0 F)	n/a	n/a
Jul	29.4 C (84.9 F)	10.0 C (50.0 F)	n/a	n/a
Aug	29.4 C (84.9 F)	9.4 C (48.9 F)	n/a	n/a
Sep	28.9 C (84.0 F)	7.2 C (45.0 F)	n/a	n/a
Oct	30.0 C (86.0 F)	6.7 C (44.1 F)	n/a	n/a
Nov	31.1 C (88.0 F)	5.0 C (41.0 F)	n/a	n/a
Dec	32.8 C (91.0 F)	1.7 C (35.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Santiago Tamazola still stand. 2001 holds the most, with 114.

Standing records at Santiago Tamazola by the year they were set
Year set	Standing records
1963	15
1964	33
1965	42
1966	56
1967	24
1968	55
1969	50
1970	40
1971	47
1972	40
1973	68
1974	50
1975	51
1976	23
1977	36
1978	30
1979	39
1980	49
1981	32
1982	33
1983	46
1984	42
1985	17
1986	62
1987	33
1988	28
1991	34
1992	24
1993	24
1995	42
1996	24
1997	26
1998	61
1999	36
2000	38
2001	114

All-Time Record Progression

4 new records

4 all-time records were set at Santiago Tamazola between 30 June 1999 and 15 December 2001. Each dot is a new record.

When Santiago Tamazola set new all-time records
Date	Kind	Detail
1999-06-30	Record daily precipitation	Record daily precipitation 85.9 mm (3.4 in)
2001-01-10	Record low minimum temperature	Record low minimum temperature 2.8 C (37.0 F)
2001-01-11	Record low minimum temperature	Record low minimum temperature 2.2 C (36.0 F)
2001-12-15	Record low minimum temperature	Record low minimum temperature 1.7 C (35.1 F)

Wettest Day of Each Month

Jun: 85.9 mm (3.4 in)

The wettest day on record for each calendar month at Santiago Tamazola. The most was 85.9 mm (3.4 in) on 30 June 1999.

Record daily precipitation for each month at Santiago Tamazola
Month	Record daily precipitation (mm)	Date
Jan	39.9 mm (1.6 in)	25 January 1980
Feb	36.1 mm (1.4 in)	22 February 1993
Mar	32.8 mm (1.3 in)	24 March 1972
Apr	48.3 mm (1.9 in)	14 April 1981
May	67.6 mm (2.7 in)	26 May 1991
Jun	85.9 mm (3.4 in)	30 June 1999
Jul	85.9 mm (3.4 in)	1 July 1999
Aug	78.2 mm (3.1 in)	14 August 1980
Sep	84.8 mm (3.3 in)	29 September 1999
Oct	69.9 mm (2.8 in)	30 October 1981
Nov	74.7 mm (2.9 in)	10 November 1992
Dec	25.1 mm (1.0 in)	1 December 1996

Period of Record Coverage

1963 to 2001

36 years of record at Santiago Tamazola, 1963 to 2001. 4 years have data for under 90 percent of days and are left out of rankings: 1963, 1976, 1977, 2001.

Days with data per year at Santiago Tamazola
Year	Days with data	Share of year	Complete
1963	137	38%	No
1964	366	100%	Yes
1965	364	100%	Yes
1966	334	92%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	365	100%	Yes
1970	364	100%	Yes
1971	365	100%	Yes
1972	365	100%	Yes
1973	364	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	223	61%	No
1977	304	83%	No
1978	365	100%	Yes
1979	363	99%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	366	100%	Yes
1985	335	92%	Yes
1986	364	100%	Yes
1987	365	100%	Yes
1988	366	100%	Yes
1991	334	92%	Yes
1992	335	92%	Yes
1993	334	92%	Yes
1995	365	100%	Yes
1996	366	100%	Yes
1997	365	100%	Yes
1998	365	100%	Yes
1999	364	100%	Yes
2000	335	92%	Yes
2001	303	83%	No

Latest Records

Latest records at Santiago Tamazola
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 December 2001	Santiago Tamazola, MX	daily high max	27.2 C (81.0 F)	0.5 C (0.9 F)	26 years	12 of 100 (Routine)
31 December 2001	Santiago Tamazola, MX	daily low min (Tie)	7.2 C (45.0 F)	tie	20 years	2 of 100 (Routine)
30 December 2001	Santiago Tamazola, MX	daily high max	27.8 C (82.0 F)	1.1 C (2.0 F)	4 years	9 of 100 (Routine)
28 December 2001	Santiago Tamazola, MX	daily high max	27.8 C (82.0 F)	2.2 C (4.0 F)	22 years	20 of 100 (Routine)
27 December 2001	Santiago Tamazola, MX	daily low min (Tie)	8.9 C (48.0 F)	tie	26 years	2 of 100 (Routine)
26 December 2001	Santiago Tamazola, MX	daily high max	27.2 C (81.0 F)	2.2 C (4.0 F)	32 years	23 of 100 (Routine)
25 December 2001	Santiago Tamazola, MX	daily low min	6.7 C (44.1 F)	2.2 C (4.0 F)	28 years	23 of 100 (Routine)
25 December 2001	Santiago Tamazola, MX	daily high max	26.7 C (80.1 F)	0.6 C (1.1 F)	26 years	13 of 100 (Routine)
24 December 2001	Santiago Tamazola, MX	daily high max	26.1 C (79.0 F)	0.5 C (0.9 F)	27 years	13 of 100 (Routine)
24 December 2001	Santiago Tamazola, MX	daily low min	7.8 C (46.0 F)	0.5 C (0.9 F)	16 years	10 of 100 (Routine)
23 December 2001	Santiago Tamazola, MX	daily high max	27.2 C (81.0 F)	1.6 C (2.9 F)	14 years	15 of 100 (Routine)
23 December 2001	Santiago Tamazola, MX	daily low min	7.2 C (45.0 F)	0.6 C (1.1 F)	19 years	11 of 100 (Routine)
22 December 2001	Santiago Tamazola, MX	daily high max	28.3 C (82.9 F)	3.3 C (5.9 F)	32 years	28 of 100 (Routine)
21 December 2001	Santiago Tamazola, MX	daily high max	26.7 C (80.1 F)	1.1 C (2.0 F)	14 years	12 of 100 (Routine)
20 December 2001	Santiago Tamazola, MX	daily high max	27.2 C (81.0 F)	1.6 C (2.9 F)	31 years	20 of 100 (Routine)
19 December 2001	Santiago Tamazola, MX	daily high max	27.8 C (82.0 F)	1.1 C (2.0 F)	28 years	16 of 100 (Routine)
18 December 2001	Santiago Tamazola, MX	daily high max	26.7 C (80.1 F)	1.7 C (3.1 F)	38 years	22 of 100 (Routine)
17 December 2001	Santiago Tamazola, MX	daily low min	5.6 C (42.1 F)	1.6 C (2.9 F)	28 years	19 of 100 (Routine)
17 December 2001	Santiago Tamazola, MX	daily high max	25.6 C (78.1 F)	0.6 C (1.1 F)	38 years	17 of 100 (Routine)
16 December 2001	Santiago Tamazola, MX	daily low min	3.9 C (39.0 F)	2.8 C (5.0 F)	12 years	21 of 100 (Routine)

Climate Trend

25 complete years, 1965 to 1999

One stripe for each of 25 complete years at Santiago Tamazola, 1965 to 1999. Blue stripes are years cooler than the station's own mean of 18.8 C (65.9 F); red stripes are warmer. The coolest year was 1984, at 18.2 C (64.7 F), and the warmest was 1998, at 19.6 C (67.3 F). The strongest colour marks a difference of 0.8 C (1.4 F).

Annual mean temperature at Santiago Tamazola as warming stripes, 1965 to 1999
Year	Annual mean temperature	Difference from the station mean
1965	18.4 C	-0.39 C
1967	18.3 C	-0.54 C
1968	18.4 C	-0.38 C
1969	19.0 C	+0.22 C
1970	18.5 C	-0.29 C
1971	18.2 C	-0.59 C
1972	18.5 C	-0.32 C
1973	19.6 C	+0.73 C
1974	19.6 C	+0.75 C
1975	19.4 C	+0.56 C
1978	19.1 C	+0.27 C
1979	19.0 C	+0.22 C
1980	19.0 C	+0.20 C
1981	18.9 C	+0.06 C
1982	19.4 C	+0.59 C
1983	19.1 C	+0.30 C
1984	18.2 C	-0.65 C
1986	18.3 C	-0.56 C
1987	19.1 C	+0.28 C
1988	19.0 C	+0.18 C
1995	18.6 C	-0.20 C
1996	18.5 C	-0.35 C
1997	18.6 C	-0.19 C
1998	19.6 C	+0.77 C
1999	18.2 C	-0.60 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

1963 to 2001

Yearly extremes at Santiago Tamazola: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.6 C (96.1 F)	1984	31.7 C (89.1 F)	36
Coldest night (TNn)	1.7 C (35.1 F)	2001	6.4 C (43.5 F)	36
Wettest day (Rx1day)	85.9 mm (3.4 in)	1999	54.8 mm (2.2 in)	36
Wettest five days (Rx5day)	183.5 mm (7.2 in)	1999	116.8 mm (4.6 in)	36
Longest dry spell (CDD)	112 days	1998	65 days	36

Hottest day (TXx)

The hottest day of the year at Santiago Tamazola, 1963 to 2001. The record is 35.6 C (96.1 F) in 1984, marked on the chart; the median year is 31.7 C (89.1 F).

Hottest day (TXx) at Santiago Tamazola by year
Year	Hottest day (TXx)
1963	28.9 C (84.0 F)
1964	31.7 C (89.1 F)
1965	30.0 C (86.0 F)
1966	31.7 C (89.1 F)
1967	30.6 C (87.1 F)
1968	29.4 C (84.9 F)
1969	30.6 C (87.1 F)
1970	30.0 C (86.0 F)
1971	35.0 C (95.0 F)
1972	29.4 C (84.9 F)
1973	33.3 C (91.9 F)
1974	34.4 C (93.9 F)
1975	34.4 C (93.9 F)
1976	26.7 C (80.1 F)
1977	32.2 C (90.0 F)
1978	33.9 C (93.0 F)
1979	32.2 C (90.0 F)
1980	33.3 C (91.9 F)
1981	33.3 C (91.9 F)
1982	31.1 C (88.0 F)
1983	33.3 C (91.9 F)
1984	35.6 C (96.1 F)
1985	30.6 C (87.1 F)
1986	30.6 C (87.1 F)
1987	31.7 C (89.1 F)
1988	32.2 C (90.0 F)
1991	32.8 C (91.0 F)
1992	31.1 C (88.0 F)
1993	32.2 C (90.0 F)
1995	32.8 C (91.0 F)
1996	31.1 C (88.0 F)
1997	30.6 C (87.1 F)
1998	34.4 C (93.9 F)
1999	32.8 C (91.0 F)
2000	31.1 C (88.0 F)
2001	30.6 C (87.1 F)

Coldest night (TNn)

The coldest night of the year at Santiago Tamazola, 1963 to 2001. The record is 1.7 C (35.1 F) in 2001, marked on the chart; the median year is 6.4 C (43.5 F).

Coldest night (TNn) at Santiago Tamazola by year
Year	Coldest night (TNn)
1963	10.6 C (51.1 F)
1964	10.0 C (50.0 F)
1965	6.1 C (43.0 F)
1966	5.0 C (41.0 F)
1967	6.1 C (43.0 F)
1968	8.3 C (46.9 F)
1969	6.1 C (43.0 F)
1970	5.0 C (41.0 F)
1971	6.7 C (44.1 F)
1972	5.6 C (42.1 F)
1973	6.7 C (44.1 F)
1974	7.2 C (45.0 F)
1975	6.7 C (44.1 F)
1976	8.3 C (46.9 F)
1977	7.8 C (46.0 F)
1978	5.0 C (41.0 F)
1979	4.4 C (39.9 F)
1980	5.0 C (41.0 F)
1981	6.1 C (43.0 F)
1982	7.2 C (45.0 F)
1983	6.7 C (44.1 F)
1984	5.0 C (41.0 F)
1985	7.8 C (46.0 F)
1986	5.6 C (42.1 F)
1987	6.7 C (44.1 F)
1988	6.7 C (44.1 F)
1991	5.0 C (41.0 F)
1992	7.8 C (46.0 F)
1993	6.7 C (44.1 F)
1995	6.7 C (44.1 F)
1996	7.2 C (45.0 F)
1997	5.6 C (42.1 F)
1998	6.1 C (43.0 F)
1999	5.6 C (42.1 F)
2000	6.1 C (43.0 F)
2001	1.7 C (35.1 F)

Wettest day (Rx1day)

The wettest day of the year at Santiago Tamazola, 1963 to 2001. The record is 85.9 mm (3.4 in) in 1999, marked on the chart; the median year is 54.8 mm (2.2 in).

Wettest day (Rx1day) at Santiago Tamazola by year
Year	Wettest day (Rx1day)
1963	26.4 mm (1.0 in)
1964	74.9 mm (2.9 in)
1965	52.3 mm (2.1 in)
1966	54.4 mm (2.1 in)
1967	30.5 mm (1.2 in)
1968	53.8 mm (2.1 in)
1969	54.9 mm (2.2 in)
1970	54.9 mm (2.2 in)
1971	70.4 mm (2.8 in)
1972	32.8 mm (1.3 in)
1973	53.8 mm (2.1 in)
1974	77.0 mm (3.0 in)
1975	59.9 mm (2.4 in)
1976	59.9 mm (2.4 in)
1977	45.0 mm (1.8 in)
1978	39.9 mm (1.6 in)
1979	45.5 mm (1.8 in)
1980	78.2 mm (3.1 in)
1981	69.9 mm (2.8 in)
1982	63.5 mm (2.5 in)
1983	72.4 mm (2.9 in)
1984	51.8 mm (2.0 in)
1985	49.3 mm (1.9 in)
1986	64.8 mm (2.6 in)
1987	51.8 mm (2.0 in)
1988	37.6 mm (1.5 in)
1991	67.6 mm (2.7 in)
1992	74.7 mm (2.9 in)
1993	54.6 mm (2.1 in)
1995	50.3 mm (2.0 in)
1996	67.1 mm (2.6 in)
1997	43.2 mm (1.7 in)
1998	62.5 mm (2.5 in)
1999	85.9 mm (3.4 in)
2000	56.1 mm (2.2 in)
2001	26.4 mm (1.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Santiago Tamazola, 1963 to 2001. The record is 183.5 mm (7.2 in) in 1999, marked on the chart; the median year is 116.8 mm (4.6 in).

Wettest five days (Rx5day) at Santiago Tamazola by year
Year	Wettest five days (Rx5day)
1963	56.6 mm (2.2 in)
1964	106.9 mm (4.2 in)
1965	106.2 mm (4.2 in)
1966	126.0 mm (5.0 in)
1967	85.3 mm (3.4 in)
1968	92.4 mm (3.6 in)
1969	136.3 mm (5.4 in)
1970	120.4 mm (4.7 in)
1971	135.4 mm (5.3 in)
1972	80.2 mm (3.2 in)
1973	122.8 mm (4.8 in)
1974	119.0 mm (4.7 in)
1975	136.6 mm (5.4 in)
1976	84.4 mm (3.3 in)
1977	114.6 mm (4.5 in)
1978	70.3 mm (2.8 in)
1979	97.9 mm (3.9 in)
1980	140.2 mm (5.5 in)
1981	137.5 mm (5.4 in)
1982	114.1 mm (4.5 in)
1983	147.8 mm (5.8 in)
1984	127.7 mm (5.0 in)
1985	152.5 mm (6.0 in)
1986	92.8 mm (3.7 in)
1987	131.3 mm (5.2 in)
1988	74.3 mm (2.9 in)
1991	169.7 mm (6.7 in)
1992	146.9 mm (5.8 in)
1993	95.2 mm (3.7 in)
1995	109.5 mm (4.3 in)
1996	119.7 mm (4.7 in)
1997	82.6 mm (3.3 in)
1998	153.7 mm (6.1 in)
1999	183.5 mm (7.2 in)
2000	109.5 mm (4.3 in)
2001	60.0 mm (2.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Santiago Tamazola, 1963 to 2001. The record is 112 days in 1998, marked on the chart; the median year is 65 days.

Longest dry spell (CDD) at Santiago Tamazola by year
Year	Longest dry spell (CDD)
1963	33 days
1964	59 days
1965	89 days
1966	59 days
1967	49 days
1968	68 days
1969	71 days
1970	96 days
1971	81 days
1972	83 days
1973	57 days
1974	69 days
1975	98 days
1976	60 days
1977	43 days
1978	59 days
1979	43 days
1980	72 days
1981	41 days
1982	56 days
1983	72 days
1984	44 days
1985	53 days
1986	99 days
1987	92 days
1988	83 days
1991	59 days
1992	57 days
1993	33 days
1995	33 days
1996	91 days
1997	98 days
1998	112 days
1999	85 days
2000	69 days
2001	61 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.

Rainfall Return Levels

31 years, 1964 to 2000

A day with at least 58.2 mm (2.3 in) of rain is expected about once in 2 years. A day with at least 88.7 mm (3.5 in) of rain is expected about once in 100 years.

Rainfall return levels at Santiago Tamazola: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	58.2 mm (2.3 in)
5 years	70.4 mm (2.8 in)
10 years	76.5 mm (3.0 in)
25 years	82.4 mm (3.2 in)
50 years	85.9 mm (3.4 in)	Longer than the 31 years of record
100 years	88.7 mm (3.5 in)	Longer than the 31 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 31 years of values from 1964 to 2000.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 85.9 mm (3.4 in) in 1999; 78.2 mm (3.1 in) in 1980; 77.0 mm (3.0 in) in 1974.

Download the Data

Data for Santiago Tamazola standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Santiago Tamazola 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 2026-10-14 (14 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).