Tecolotlan (Smn) Weather Records (MXN00014185)

Record envelope, standing records and threshold days for Tecolotlan (Smn) (MXN00014185), Mexico, with 30 years of record.

Key Facts for Tecolotlan (Smn)

Tecolotlan (Smn) (MXN00014185) is a weather station in Mexico at 20.20 latitude and -104.05 longitude, 1,200 m (3,937 ft) above sea level.
The station reports from 1961 to 1990, 30 years of record.
1,464 records set at Tecolotlan (Smn) still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 20.20 latitude, -104.05 longitude.
Elevation: 1,200 m (3,937 ft).
Period of record: 1961 to 1990, 30 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 Tecolotlan (Smn). 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 Tecolotlan (Smn), 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)	-2.2 C (28.0 F)	n/a	n/a
Feb	36.7 C (98.1 F)	1.7 C (35.1 F)	n/a	n/a
Mar	40.0 C (104.0 F)	1.1 C (34.0 F)	n/a	n/a
Apr	40.6 C (105.1 F)	5.6 C (42.1 F)	n/a	n/a
May	43.3 C (109.9 F)	7.8 C (46.0 F)	n/a	n/a
Jun	41.1 C (106.0 F)	11.7 C (53.1 F)	n/a	n/a
Jul	40.0 C (104.0 F)	10.0 C (50.0 F)	n/a	n/a
Aug	38.3 C (100.9 F)	10.0 C (50.0 F)	n/a	n/a
Sep	37.2 C (99.0 F)	10.0 C (50.0 F)	n/a	n/a
Oct	37.2 C (99.0 F)	7.8 C (46.0 F)	n/a	n/a
Nov	38.9 C (102.0 F)	1.7 C (35.1 F)	n/a	n/a
Dec	35.6 C (96.1 F)	0.6 C (33.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Tecolotlan (Smn) still stand. 1975 holds the most, with 102.

Standing records at Tecolotlan (Smn) by the year they were set
Year set	Standing records
1961	69
1962	79
1963	71
1964	43
1965	44
1966	52
1967	46
1968	47
1969	48
1970	42
1971	36
1972	49
1973	36
1974	61
1975	102
1976	97
1977	30
1978	28
1979	48
1980	41
1981	31
1982	21
1983	59
1984	38
1985	26
1986	42
1987	25
1988	74
1989	23
1990	56

Wettest Day of Each Month

Aug: 92.7 mm (3.6 in)

The wettest day on record for each calendar month at Tecolotlan (Smn). The most was 92.7 mm (3.6 in) on 11 August 1961.

Record daily precipitation for each month at Tecolotlan (Smn)
Month	Record daily precipitation (mm)	Date
Jan	69.9 mm (2.8 in)	12 January 1967
Feb	64.8 mm (2.6 in)	18 February 1989
Mar	77.0 mm (3.0 in)	4 March 1968
Apr	82.3 mm (3.2 in)	15 April 1964
May	53.1 mm (2.1 in)	26 May 1983
Jun	85.6 mm (3.4 in)	25 June 1970
Jul	74.7 mm (2.9 in)	24 July 1985
Aug	92.7 mm (3.6 in)	11 August 1961
Sep	60.7 mm (2.4 in)	22 September 1967
Oct	77.0 mm (3.0 in)	3 October 1969
Nov	53.8 mm (2.1 in)	26 November 1982
Dec	71.4 mm (2.8 in)	12 December 1963

Period of Record Coverage

1961 to 1990

30 years of record at Tecolotlan (Smn), 1961 to 1990. 2 years have data for under 90 percent of days and are left out of rankings: 1974, 1987.

Days with data per year at Tecolotlan (Smn)
Year	Days with data	Share of year	Complete
1961	360	99%	Yes
1962	359	98%	Yes
1963	363	99%	Yes
1964	358	98%	Yes
1965	355	97%	Yes
1966	361	99%	Yes
1967	359	98%	Yes
1968	362	99%	Yes
1969	364	100%	Yes
1970	363	99%	Yes
1971	358	98%	Yes
1972	363	99%	Yes
1973	365	100%	Yes
1974	276	76%	No
1975	365	100%	Yes
1976	365	100%	Yes
1977	363	99%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	364	100%	Yes
1983	363	99%	Yes
1984	366	100%	Yes
1985	365	100%	Yes
1986	334	92%	Yes
1987	237	65%	No
1988	364	99%	Yes
1989	353	97%	Yes
1990	355	97%	Yes

Latest Records

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

Climate Trend

27 complete years, 1961 to 1990

One stripe for each of 27 complete years at Tecolotlan (Smn), 1961 to 1990. Blue stripes are years cooler than the station's own mean of 22.4 C (72.3 F); red stripes are warmer. The coolest year was 1983, at 21.5 C (70.8 F), and the warmest was 1962, at 23.5 C (74.3 F). The strongest colour marks a difference of 1.1 C (2.0 F).

Annual mean temperature at Tecolotlan (Smn) as warming stripes, 1961 to 1990
Year	Annual mean temperature	Difference from the station mean
1961	22.9 C	+0.45 C
1962	23.5 C	+1.09 C
1963	23.2 C	+0.80 C
1964	22.2 C	-0.19 C
1965	22.6 C	+0.18 C
1966	21.9 C	-0.46 C
1967	22.1 C	-0.31 C
1968	21.8 C	-0.64 C
1969	22.7 C	+0.30 C
1970	22.5 C	+0.06 C
1971	22.2 C	-0.22 C
1972	22.8 C	+0.44 C
1973	22.4 C	-0.04 C
1975	23.4 C	+0.98 C
1976	22.7 C	+0.32 C
1977	22.0 C	-0.43 C
1978	22.1 C	-0.30 C
1979	22.1 C	-0.26 C
1980	22.1 C	-0.26 C
1981	21.9 C	-0.49 C
1982	22.4 C	+0.02 C
1983	21.5 C	-0.87 C
1984	21.9 C	-0.52 C
1985	21.9 C	-0.53 C
1988	22.9 C	+0.51 C
1989	22.5 C	+0.12 C
1990	22.6 C	+0.18 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

1961 to 1990

Yearly extremes at Tecolotlan (Smn): the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	43.3 C (109.9 F)	1976	40.0 C (104.0 F)	30
Coldest night (TNn)	-2.2 C (28.0 F)	1988	3.3 C (37.9 F)	30
Wettest day (Rx1day)	92.7 mm (3.6 in)	1961	61.3 mm (2.4 in)	30
Wettest five days (Rx5day)	173.5 mm (6.8 in)	1970	94.8 mm (3.7 in)	30
Longest dry spell (CDD)	147 days	1969	68 days	30

Hottest day (TXx)

The hottest day of the year at Tecolotlan (Smn), 1961 to 1990. The record is 43.3 C (109.9 F) in 1976, marked on the chart; the median year is 40.0 C (104.0 F).

Hottest day (TXx) at Tecolotlan (Smn) by year
Year	Hottest day (TXx)
1961	40.6 C (105.1 F)
1962	40.0 C (104.0 F)
1963	40.6 C (105.1 F)
1964	39.4 C (102.9 F)
1965	40.0 C (104.0 F)
1966	38.9 C (102.0 F)
1967	38.9 C (102.0 F)
1968	38.9 C (102.0 F)
1969	41.1 C (106.0 F)
1970	39.4 C (102.9 F)
1971	38.9 C (102.0 F)
1972	40.0 C (104.0 F)
1973	40.0 C (104.0 F)
1974	41.1 C (106.0 F)
1975	40.6 C (105.1 F)
1976	43.3 C (109.9 F)
1977	38.3 C (100.9 F)
1978	39.4 C (102.9 F)
1979	39.4 C (102.9 F)
1980	40.0 C (104.0 F)
1981	38.3 C (100.9 F)
1982	40.0 C (104.0 F)
1983	40.0 C (104.0 F)
1984	38.9 C (102.0 F)
1985	38.3 C (100.9 F)
1986	40.0 C (104.0 F)
1987	37.2 C (99.0 F)
1988	40.0 C (104.0 F)
1989	40.0 C (104.0 F)
1990	40.0 C (104.0 F)

Coldest night (TNn)

The coldest night of the year at Tecolotlan (Smn), 1961 to 1990. The record is -2.2 C (28.0 F) in 1988, marked on the chart; the median year is 3.3 C (37.9 F).

Coldest night (TNn) at Tecolotlan (Smn) by year
Year	Coldest night (TNn)
1961	3.9 C (39.0 F)
1962	3.3 C (37.9 F)
1963	4.4 C (39.9 F)
1964	4.4 C (39.9 F)
1965	3.9 C (39.0 F)
1966	1.7 C (35.1 F)
1967	2.2 C (36.0 F)
1968	0.6 C (33.1 F)
1969	3.9 C (39.0 F)
1970	2.8 C (37.0 F)
1971	3.3 C (37.9 F)
1972	4.4 C (39.9 F)
1973	2.2 C (36.0 F)
1974	5.0 C (41.0 F)
1975	0.6 C (33.1 F)
1976	0.6 C (33.1 F)
1977	4.4 C (39.9 F)
1978	5.0 C (41.0 F)
1979	1.7 C (35.1 F)
1980	3.3 C (37.9 F)
1981	2.2 C (36.0 F)
1982	4.4 C (39.9 F)
1983	1.1 C (34.0 F)
1984	5.0 C (41.0 F)
1985	3.3 C (37.9 F)
1986	2.2 C (36.0 F)
1987	1.7 C (35.1 F)
1988	-2.2 C (28.0 F)
1989	3.9 C (39.0 F)
1990	2.8 C (37.0 F)

Wettest day (Rx1day)

The wettest day of the year at Tecolotlan (Smn), 1961 to 1990. The record is 92.7 mm (3.6 in) in 1961, marked on the chart; the median year is 61.3 mm (2.4 in).

Wettest day (Rx1day) at Tecolotlan (Smn) by year
Year	Wettest day (Rx1day)
1961	92.7 mm (3.6 in)
1962	27.4 mm (1.1 in)
1963	71.4 mm (2.8 in)
1964	82.3 mm (3.2 in)
1965	52.6 mm (2.1 in)
1966	54.4 mm (2.1 in)
1967	69.9 mm (2.8 in)
1968	77.0 mm (3.0 in)
1969	77.0 mm (3.0 in)
1970	85.6 mm (3.4 in)
1971	64.0 mm (2.5 in)
1972	39.1 mm (1.5 in)
1973	80.3 mm (3.2 in)
1974	56.4 mm (2.2 in)
1975	46.0 mm (1.8 in)
1976	47.0 mm (1.9 in)
1977	40.9 mm (1.6 in)
1978	71.9 mm (2.8 in)
1979	57.9 mm (2.3 in)
1980	67.8 mm (2.7 in)
1981	60.5 mm (2.4 in)
1982	53.8 mm (2.1 in)
1983	53.1 mm (2.1 in)
1984	52.8 mm (2.1 in)
1985	74.7 mm (2.9 in)
1986	55.9 mm (2.2 in)
1987	67.8 mm (2.7 in)
1988	62.0 mm (2.4 in)
1989	64.8 mm (2.6 in)
1990	48.8 mm (1.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Tecolotlan (Smn), 1961 to 1990. The record is 173.5 mm (6.8 in) in 1970, marked on the chart; the median year is 94.8 mm (3.7 in).

Wettest five days (Rx5day) at Tecolotlan (Smn) by year
Year	Wettest five days (Rx5day)
1961	100.9 mm (4.0 in)
1962	68.4 mm (2.7 in)
1963	106.5 mm (4.2 in)
1964	82.3 mm (3.2 in)
1965	93.5 mm (3.7 in)
1966	83.3 mm (3.3 in)
1967	117.4 mm (4.6 in)
1968	150.7 mm (5.9 in)
1969	82.6 mm (3.3 in)
1970	173.5 mm (6.8 in)
1971	91.8 mm (3.6 in)
1972	70.9 mm (2.8 in)
1973	110.7 mm (4.4 in)
1974	150.0 mm (5.9 in)
1975	89.9 mm (3.5 in)
1976	99.1 mm (3.9 in)
1977	90.0 mm (3.5 in)
1978	91.5 mm (3.6 in)
1979	88.1 mm (3.5 in)
1980	112.8 mm (4.4 in)
1981	90.6 mm (3.6 in)
1982	71.3 mm (2.8 in)
1983	114.6 mm (4.5 in)
1984	74.2 mm (2.9 in)
1985	114.4 mm (4.5 in)
1986	111.3 mm (4.4 in)
1987	141.6 mm (5.6 in)
1988	111.0 mm (4.4 in)
1989	76.7 mm (3.0 in)
1990	96.1 mm (3.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Tecolotlan (Smn), 1961 to 1990. The record is 147 days in 1969, marked on the chart; the median year is 68 days.

Longest dry spell (CDD) at Tecolotlan (Smn) by year
Year	Longest dry spell (CDD)
1961	51 days
1962	42 days
1963	38 days
1964	41 days
1965	40 days
1966	43 days
1967	72 days
1968	31 days
1969	147 days
1970	70 days
1971	77 days
1972	68 days
1973	83 days
1974	27 days
1975	99 days
1976	89 days
1977	50 days
1978	47 days
1979	104 days
1980	67 days
1981	40 days
1982	101 days
1983	125 days
1984	91 days
1985	84 days
1986	110 days
1987	31 days
1988	95 days
1989	49 days
1990	34 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 Tecolotlan (Smn) standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Tecolotlan (Smn) 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).