Apapantilla Weather Records (MXN00021147)

Record envelope, standing records and threshold days for Apapantilla (MXN00021147), Mexico, with 33 years of record.

Key Facts for Apapantilla

Apapantilla (MXN00021147) is a weather station in Mexico at 20.40 latitude and -97.83 longitude, 278 m (912 ft) above sea level.
The station reports from 1977 to 2009, 33 years of record.
1,464 records set at Apapantilla still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 20.40 latitude, -97.83 longitude.
Elevation: 278 m (912 ft).
Period of record: 1977 to 2009, 33 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 Apapantilla. 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 Apapantilla, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	38.9 C (102.0 F)	1.1 C (34.0 F)	n/a	n/a
Feb	41.7 C (107.1 F)	2.2 C (36.0 F)	n/a	n/a
Mar	42.8 C (109.0 F)	3.3 C (37.9 F)	n/a	n/a
Apr	46.7 C (116.1 F)	6.1 C (43.0 F)	n/a	n/a
May	45.0 C (113.0 F)	10.6 C (51.1 F)	n/a	n/a
Jun	45.0 C (113.0 F)	10.6 C (51.1 F)	n/a	n/a
Jul	45.0 C (113.0 F)	11.1 C (52.0 F)	n/a	n/a
Aug	42.8 C (109.0 F)	10.6 C (51.1 F)	n/a	n/a
Sep	40.0 C (104.0 F)	10.0 C (50.0 F)	n/a	n/a
Oct	39.4 C (102.9 F)	5.6 C (42.1 F)	n/a	n/a
Nov	39.4 C (102.9 F)	3.9 C (39.0 F)	n/a	n/a
Dec	38.9 C (102.0 F)	3.3 C (37.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Apapantilla still stand. 1994 holds the most, with 169.

Standing records at Apapantilla by the year they were set
Year set	Standing records
1977	46
1978	77
1979	54
1980	57
1981	47
1982	42
1983	58
1984	61
1985	36
1986	36
1987	43
1988	13
1991	35
1992	138
1993	156
1994	169
1995	66
1998	15
1999	36
2000	11
2001	48
2007	61
2008	65
2009	94

Wettest Day of Each Month

Sep: 369.8 mm (14.6 in)

The wettest day on record for each calendar month at Apapantilla. The most was 369.8 mm (14.6 in) on 27 September 2007.

Record daily precipitation for each month at Apapantilla
Month	Record daily precipitation (mm)	Date
Jan	35.8 mm (1.4 in)	1 January 2008
Feb	28.4 mm (1.1 in)	24 February 1985
Mar	47.0 mm (1.9 in)	25 March 1978
Apr	135.9 mm (5.4 in)	12 April 2008
May	140.7 mm (5.5 in)	31 May 1978
Jun	114.8 mm (4.5 in)	20 June 2009
Jul	102.9 mm (4.1 in)	12 July 1999
Aug	259.8 mm (10.2 in)	21 August 2007
Sep	369.8 mm (14.6 in)	27 September 2007
Oct	222.0 mm (8.7 in)	5 October 1999
Nov	81.5 mm (3.2 in)	21 November 1977
Dec	54.4 mm (2.1 in)	23 December 1989

Period of Record Coverage

1977 to 2009

24 years of record at Apapantilla, 1977 to 2009. 12 years have data for under 90 percent of days and are left out of rankings: 1977, 1987, 1988, 1991, 1994, 1995, 1998, 1999 and others.

Days with data per year at Apapantilla
Year	Days with data	Share of year	Complete
1977	303	83%	No
1978	363	99%	Yes
1979	364	100%	Yes
1980	360	98%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	363	99%	Yes
1984	365	100%	Yes
1985	362	99%	Yes
1986	364	100%	Yes
1987	242	66%	No
1988	61	17%	No
1991	120	33%	No
1992	340	93%	Yes
1993	359	98%	Yes
1994	304	83%	No
1995	150	41%	No
1998	127	35%	No
1999	259	71%	No
2000	138	38%	No
2001	175	48%	No
2007	338	93%	Yes
2008	314	86%	No
2009	324	89%	No

Latest Records

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

Climate Trend

11 complete years, 1978 to 2007

One stripe for each of 11 complete years at Apapantilla, 1978 to 2007. Blue stripes are years cooler than the station's own mean of 23.5 C (74.4 F); red stripes are warmer. The coolest year was 1979, at 22.6 C (72.7 F), and the warmest was 2007, at 25.3 C (77.5 F). The strongest colour marks a difference of 1.8 C (3.2 F).

Annual mean temperature at Apapantilla as warming stripes, 1978 to 2007
Year	Annual mean temperature	Difference from the station mean
1978	23.0 C	-0.52 C
1979	22.6 C	-0.91 C
1980	23.3 C	-0.28 C
1981	23.3 C	-0.28 C
1982	24.2 C	+0.68 C
1983	23.7 C	+0.14 C
1984	22.8 C	-0.69 C
1985	23.2 C	-0.31 C
1986	24.2 C	+0.66 C
1993	23.4 C	-0.17 C
2007	25.3 C	+1.73 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

1977 to 2009

Yearly extremes at Apapantilla: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	46.7 C (116.1 F)	2009	39.5 C (103.0 F)	24
Coldest night (TNn)	1.1 C (34.0 F)	1994	6.7 C (44.1 F)	24
Wettest day (Rx1day)	369.8 mm (14.6 in)	2007	98.8 mm (3.9 in)	26
Wettest five days (Rx5day)	395.7 mm (15.6 in)	1999	189.7 mm (7.5 in)	26
Longest dry spell (CDD)	169 days	1992	25 days	26

Hottest day (TXx)

The hottest day of the year at Apapantilla, 1977 to 2009. The record is 46.7 C (116.1 F) in 2009, marked on the chart; the median year is 39.5 C (103.0 F).

Hottest day (TXx) at Apapantilla by year
Year	Hottest day (TXx)
1977	36.7 C (98.1 F)
1978	40.0 C (104.0 F)
1979	38.9 C (102.0 F)
1980	40.6 C (105.1 F)
1981	36.7 C (98.1 F)
1982	41.7 C (107.1 F)
1983	38.3 C (100.9 F)
1984	41.7 C (107.1 F)
1985	37.8 C (100.0 F)
1986	36.1 C (97.0 F)
1987	45.0 C (113.0 F)
1988	45.0 C (113.0 F)
1989	n/a
1990	n/a
1991	36.1 C (97.0 F)
1992	45.0 C (113.0 F)
1993	38.9 C (102.0 F)
1994	35.0 C (95.0 F)
1995	36.1 C (97.0 F)
1998	37.8 C (100.0 F)
1999	42.8 C (109.0 F)
2000	42.8 C (109.0 F)
2001	37.8 C (100.0 F)
2007	43.9 C (111.0 F)
2008	45.0 C (113.0 F)
2009	46.7 C (116.1 F)

Coldest night (TNn)

The coldest night of the year at Apapantilla, 1977 to 2009. The record is 1.1 C (34.0 F) in 1994, marked on the chart; the median year is 6.7 C (44.1 F).

Coldest night (TNn) at Apapantilla by year
Year	Coldest night (TNn)
1977	3.3 C (37.9 F)
1978	6.1 C (43.0 F)
1979	4.4 C (39.9 F)
1980	6.1 C (43.0 F)
1981	7.8 C (46.0 F)
1982	7.2 C (45.0 F)
1983	3.9 C (39.0 F)
1984	6.7 C (44.1 F)
1985	3.9 C (39.0 F)
1986	5.0 C (41.0 F)
1987	5.0 C (41.0 F)
1988	16.7 C (62.1 F)
1989	n/a
1990	n/a
1991	18.9 C (66.0 F)
1992	10.6 C (51.1 F)
1993	3.9 C (39.0 F)
1994	1.1 C (34.0 F)
1995	2.2 C (36.0 F)
1998	10.0 C (50.0 F)
1999	10.0 C (50.0 F)
2000	6.7 C (44.1 F)
2001	6.7 C (44.1 F)
2007	8.9 C (48.0 F)
2008	7.8 C (46.0 F)
2009	7.8 C (46.0 F)

Wettest day (Rx1day)

The wettest day of the year at Apapantilla, 1977 to 2009. The record is 369.8 mm (14.6 in) in 2007, marked on the chart; the median year is 98.8 mm (3.9 in).

Wettest day (Rx1day) at Apapantilla by year
Year	Wettest day (Rx1day)
1977	90.4 mm (3.6 in)
1978	140.7 mm (5.5 in)
1979	121.4 mm (4.8 in)
1980	155.4 mm (6.1 in)
1981	102.4 mm (4.0 in)
1982	48.8 mm (1.9 in)
1983	175.3 mm (6.9 in)
1984	99.8 mm (3.9 in)
1985	97.8 mm (3.9 in)
1986	126.0 mm (5.0 in)
1987	64.8 mm (2.6 in)
1988	39.9 mm (1.6 in)
1989	54.4 mm (2.1 in)
1990	49.8 mm (2.0 in)
1991	0.0 mm (0.00 in)
1992	86.4 mm (3.4 in)
1993	79.8 mm (3.1 in)
1994	59.9 mm (2.4 in)
1995	51.1 mm (2.0 in)
1998	149.4 mm (5.9 in)
1999	222.0 mm (8.7 in)
2000	87.9 mm (3.5 in)
2001	127.0 mm (5.0 in)
2007	369.8 mm (14.6 in)
2008	135.9 mm (5.4 in)
2009	201.2 mm (7.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Apapantilla, 1977 to 2009. The record is 395.7 mm (15.6 in) in 1999, marked on the chart; the median year is 189.7 mm (7.5 in).

Wettest five days (Rx5day) at Apapantilla by year
Year	Wettest five days (Rx5day)
1977	189.2 mm (7.4 in)
1978	208.3 mm (8.2 in)
1979	259.7 mm (10.2 in)
1980	251.8 mm (9.9 in)
1981	273.2 mm (10.8 in)
1982	100.5 mm (4.0 in)
1983	330.8 mm (13.0 in)
1984	266.2 mm (10.5 in)
1985	158.3 mm (6.2 in)
1986	220.2 mm (8.7 in)
1987	181.9 mm (7.2 in)
1988	159.6 mm (6.3 in)
1989	80.5 mm (3.2 in)
1990	236.4 mm (9.3 in)
1991	0.0 mm (0.00 in)
1992	190.2 mm (7.5 in)
1993	136.9 mm (5.4 in)
1994	117.4 mm (4.6 in)
1995	64.3 mm (2.5 in)
1998	185.5 mm (7.3 in)
1999	395.7 mm (15.6 in)
2000	147.0 mm (5.8 in)
2001	238.1 mm (9.4 in)
2007	392.7 mm (15.5 in)
2008	185.5 mm (7.3 in)
2009	304.3 mm (12.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Apapantilla, 1977 to 2009. The record is 169 days in 1992, marked on the chart; the median year is 25 days.

Longest dry spell (CDD) at Apapantilla by year
Year	Longest dry spell (CDD)
1977	26 days
1978	22 days
1979	32 days
1980	22 days
1981	21 days
1982	33 days
1983	22 days
1984	28 days
1985	21 days
1986	16 days
1987	24 days
1988	15 days
1989	8 days
1990	122 days
1991	61 days
1992	169 days
1993	34 days
1994	20 days
1995	32 days
1998	10 days
1999	27 days
2000	9 days
2001	24 days
2007	31 days
2008	28 days
2009	25 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 Apapantilla standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Apapantilla 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 2026-10-15 (15 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).