Tetelcingo Weather Records (MXN00017017)

Record envelope, standing records and threshold days for Tetelcingo (MXN00017017), Mexico, with 32 years of record.

Key Facts for Tetelcingo

Tetelcingo (MXN00017017) is a weather station in Mexico at 18.87 latitude and -98.93 longitude, 1,418 m (4,652 ft) above sea level.
The station reports from 1942 to 1973, 32 years of record.
1,464 records set at Tetelcingo still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 18.87 latitude, -98.93 longitude.
Elevation: 1,418 m (4,652 ft).
Period of record: 1942 to 1973, 32 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 Tetelcingo. 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 Tetelcingo, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	40.0 C (104.0 F)	5.0 C (41.0 F)	n/a	n/a
Feb	36.7 C (98.1 F)	5.0 C (41.0 F)	n/a	n/a
Mar	40.0 C (104.0 F)	6.1 C (43.0 F)	n/a	n/a
Apr	42.8 C (109.0 F)	7.8 C (46.0 F)	n/a	n/a
May	42.8 C (109.0 F)	8.9 C (48.0 F)	n/a	n/a
Jun	41.1 C (106.0 F)	7.8 C (46.0 F)	n/a	n/a
Jul	38.9 C (102.0 F)	6.1 C (43.0 F)	n/a	n/a
Aug	40.6 C (105.1 F)	7.8 C (46.0 F)	n/a	n/a
Sep	39.4 C (102.9 F)	1.1 C (34.0 F)	n/a	n/a
Oct	40.0 C (104.0 F)	4.4 C (39.9 F)	n/a	n/a
Nov	40.0 C (104.0 F)	5.6 C (42.1 F)	n/a	n/a
Dec	40.6 C (105.1 F)	5.0 C (41.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Tetelcingo still stand. 1943 holds the most, with 217.

Standing records at Tetelcingo by the year they were set
Year set	Standing records
1943	217
1944	40
1945	33
1946	35
1947	41
1948	20
1956	91
1957	188
1958	130
1959	44
1960	167
1961	82
1962	19
1963	16
1964	29
1965	26
1966	42
1967	31
1968	92
1970	42
1971	44
1972	21
1973	14

Wettest Day of Each Month

Jun: 95.0 mm (3.7 in)

The wettest day on record for each calendar month at Tetelcingo. The most was 95.0 mm (3.7 in) on 25 June 1962.

Record daily precipitation for each month at Tetelcingo
Month	Record daily precipitation (mm)	Date
Jan	18.8 mm (0.7 in)	31 January 1958
Feb	18.8 mm (0.7 in)	18 February 1968
Mar	23.9 mm (0.9 in)	10 March 1959
Apr	38.4 mm (1.5 in)	4 April 1966
May	61.0 mm (2.4 in)	20 May 1968
Jun	95.0 mm (3.7 in)	25 June 1962
Jul	77.0 mm (3.0 in)	10 July 1963
Aug	79.8 mm (3.1 in)	21 August 1967
Sep	83.8 mm (3.3 in)	13 September 1968
Oct	47.8 mm (1.9 in)	28 October 1960
Nov	23.9 mm (0.9 in)	12 November 1961
Dec	45.0 mm (1.8 in)	4 December 1968

Period of Record Coverage

1943 to 1973

23 years of record at Tetelcingo, 1943 to 1973. 11 years have data for under 90 percent of days and are left out of rankings: 1943, 1947, 1948, 1956, 1957, 1958, 1959, 1960 and others.

Days with data per year at Tetelcingo
Year	Days with data	Share of year	Complete
1943	195	53%	No
1944	366	100%	Yes
1945	364	100%	Yes
1946	365	100%	Yes
1947	149	41%	No
1948	90	25%	No
1956	157	43%	No
1957	325	89%	No
1958	207	57%	No
1959	239	65%	No
1960	325	89%	No
1961	364	100%	Yes
1962	365	100%	Yes
1963	245	67%	No
1964	364	99%	Yes
1965	365	100%	Yes
1966	363	99%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1970	268	73%	No
1971	361	99%	Yes
1972	359	98%	Yes
1973	273	75%	No

Latest Records

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

Climate Trend

12 complete years, 1944 to 1972

One stripe for each of 12 complete years at Tetelcingo, 1944 to 1972. Blue stripes are years cooler than the station's own mean of 21.7 C (71.1 F); red stripes are warmer. The coolest year was 1971, at 20.3 C (68.6 F), and the warmest was 1961, at 23.6 C (74.5 F). The strongest colour marks a difference of 2.0 C (3.6 F).

Annual mean temperature at Tetelcingo as warming stripes, 1944 to 1972
Year	Annual mean temperature	Difference from the station mean
1944	22.1 C	+0.38 C
1945	22.5 C	+0.80 C
1946	22.4 C	+0.68 C
1961	23.6 C	+1.92 C
1962	22.5 C	+0.84 C
1964	21.6 C	-0.06 C
1965	21.5 C	-0.18 C
1966	21.0 C	-0.66 C
1967	21.6 C	-0.10 C
1968	20.5 C	-1.20 C
1971	20.3 C	-1.38 C
1972	20.7 C	-0.98 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

1942 to 1973

Yearly extremes at Tetelcingo: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	42.8 C (109.0 F)	1957	37.8 C (100.0 F)	23
Coldest night (TNn)	1.1 C (34.0 F)	1956	7.8 C (46.0 F)	23
Wettest day (Rx1day)	95.0 mm (3.7 in)	1962	47.7 mm (1.9 in)	28
Wettest five days (Rx5day)	192.1 mm (7.6 in)	1968	97.4 mm (3.8 in)	28
Longest dry spell (CDD)	137 days	1970	60 days	28

Hottest day (TXx)

The hottest day of the year at Tetelcingo, 1942 to 1973. The record is 42.8 C (109.0 F) in 1957, marked on the chart; the median year is 37.8 C (100.0 F).

Hottest day (TXx) at Tetelcingo by year
Year	Hottest day (TXx)
1942	n/a
1943	32.8 C (91.0 F)
1944	38.9 C (102.0 F)
1945	37.8 C (100.0 F)
1946	37.8 C (100.0 F)
1947	36.7 C (98.1 F)
1948	36.7 C (98.1 F)
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	40.6 C (105.1 F)
1957	42.8 C (109.0 F)
1958	40.6 C (105.1 F)
1959	40.6 C (105.1 F)
1960	38.9 C (102.0 F)
1961	42.8 C (109.0 F)
1962	40.0 C (104.0 F)
1963	35.0 C (95.0 F)
1964	37.2 C (99.0 F)
1965	37.8 C (100.0 F)
1966	35.0 C (95.0 F)
1967	36.7 C (98.1 F)
1968	35.0 C (95.0 F)
1970	32.2 C (90.0 F)
1971	38.9 C (102.0 F)
1972	35.6 C (96.1 F)
1973	36.7 C (98.1 F)

Coldest night (TNn)

The coldest night of the year at Tetelcingo, 1942 to 1973. The record is 1.1 C (34.0 F) in 1956, marked on the chart; the median year is 7.8 C (46.0 F).

Coldest night (TNn) at Tetelcingo by year
Year	Coldest night (TNn)
1942	n/a
1943	4.4 C (39.9 F)
1944	6.7 C (44.1 F)
1945	7.8 C (46.0 F)
1946	7.8 C (46.0 F)
1947	7.8 C (46.0 F)
1948	7.8 C (46.0 F)
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	1.1 C (34.0 F)
1957	6.1 C (43.0 F)
1958	10.0 C (50.0 F)
1959	10.6 C (51.1 F)
1960	10.0 C (50.0 F)
1961	11.1 C (52.0 F)
1962	5.6 C (42.1 F)
1963	7.8 C (46.0 F)
1964	8.3 C (46.9 F)
1965	5.0 C (41.0 F)
1966	8.9 C (48.0 F)
1967	5.0 C (41.0 F)
1968	5.0 C (41.0 F)
1970	7.8 C (46.0 F)
1971	7.8 C (46.0 F)
1972	7.8 C (46.0 F)
1973	7.8 C (46.0 F)

Wettest day (Rx1day)

The wettest day of the year at Tetelcingo, 1942 to 1973. The record is 95.0 mm (3.7 in) in 1962, marked on the chart; the median year is 47.7 mm (1.9 in).

Wettest day (Rx1day) at Tetelcingo by year
Year	Wettest day (Rx1day)
1942	67.6 mm (2.7 in)
1943	40.9 mm (1.6 in)
1944	57.9 mm (2.3 in)
1945	51.8 mm (2.0 in)
1946	64.8 mm (2.6 in)
1947	0.0 mm (0.00 in)
1948	0.0 mm (0.00 in)
1952	30.0 mm (1.2 in)
1953	33.8 mm (1.3 in)
1954	59.9 mm (2.4 in)
1955	39.9 mm (1.6 in)
1956	47.0 mm (1.9 in)
1957	7.9 mm (0.31 in)
1958	19.8 mm (0.8 in)
1959	75.9 mm (3.0 in)
1960	47.8 mm (1.9 in)
1961	69.9 mm (2.8 in)
1962	95.0 mm (3.7 in)
1963	77.0 mm (3.0 in)
1964	31.0 mm (1.2 in)
1965	52.8 mm (2.1 in)
1966	39.9 mm (1.6 in)
1967	79.8 mm (3.1 in)
1968	83.8 mm (3.3 in)
1970	45.5 mm (1.8 in)
1971	39.9 mm (1.6 in)
1972	47.5 mm (1.9 in)
1973	53.8 mm (2.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Tetelcingo, 1942 to 1973. The record is 192.1 mm (7.6 in) in 1968, marked on the chart; the median year is 97.4 mm (3.8 in).

Wettest five days (Rx5day) at Tetelcingo by year
Year	Wettest five days (Rx5day)
1942	104.1 mm (4.1 in)
1943	106.4 mm (4.2 in)
1944	111.2 mm (4.4 in)
1945	96.5 mm (3.8 in)
1946	138.3 mm (5.4 in)
1947	0.0 mm (0.00 in)
1948	0.0 mm (0.00 in)
1952	102.7 mm (4.0 in)
1953	67.4 mm (2.7 in)
1954	90.4 mm (3.6 in)
1955	98.3 mm (3.9 in)
1956	92.0 mm (3.6 in)
1957	26.2 mm (1.0 in)
1958	69.6 mm (2.7 in)
1959	104.7 mm (4.1 in)
1960	142.1 mm (5.6 in)
1961	93.5 mm (3.7 in)
1962	104.9 mm (4.1 in)
1963	116.6 mm (4.6 in)
1964	95.6 mm (3.8 in)
1965	78.9 mm (3.1 in)
1966	79.0 mm (3.1 in)
1967	123.3 mm (4.9 in)
1968	192.1 mm (7.6 in)
1970	102.2 mm (4.0 in)
1971	64.9 mm (2.6 in)
1972	87.4 mm (3.4 in)
1973	109.1 mm (4.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Tetelcingo, 1942 to 1973. The record is 137 days in 1970, marked on the chart; the median year is 60 days.

Longest dry spell (CDD) at Tetelcingo by year
Year	Longest dry spell (CDD)
1942	23 days
1943	60 days
1944	93 days
1945	118 days
1946	46 days
1947	59 days
1948	60 days
1952	49 days
1953	59 days
1954	60 days
1955	55 days
1956	74 days
1957	41 days
1958	32 days
1959	34 days
1960	32 days
1961	64 days
1962	101 days
1963	63 days
1964	128 days
1965	71 days
1966	102 days
1967	127 days
1968	60 days
1970	137 days
1971	124 days
1972	64 days
1973	57 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 Tetelcingo standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Tetelcingo 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 2026-10-16 (16 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).