Aquiles Serdan Weather Records (MXN00027071)

Record envelope, standing records and threshold days for Aquiles Serdan (MXN00027071), Mexico, with 38 years of record.

Key Facts for Aquiles Serdan

Aquiles Serdan (MXN00027071) is a weather station in Mexico at 17.80 latitude and -92.48 longitude, 11 m (36 ft) above sea level.
The station reports from 1976 to 2013, 38 years of record.
1,464 records set at Aquiles Serdan still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Aquiles Serdan set a daily record precipitation of 8.1 mm (0.32 in) on 13 March 2013.

About the Station

Location: Mexico, 17.80 latitude, -92.48 longitude.
Elevation: 11 m (36 ft).
Period of record: 1976 to 2013, 38 years.
Eligible elements: 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 Aquiles Serdan. 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 Aquiles Serdan, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	42.2 C (108.0 F)	11.7 C (53.1 F)	n/a	n/a
Feb	46.7 C (116.1 F)	11.7 C (53.1 F)	n/a	n/a
Mar	42.8 C (109.0 F)	11.7 C (53.1 F)	n/a	n/a
Apr	45.6 C (114.1 F)	15.6 C (60.1 F)	n/a	n/a
May	45.6 C (114.1 F)	17.8 C (64.0 F)	n/a	n/a
Jun	42.8 C (109.0 F)	17.8 C (64.0 F)	n/a	n/a
Jul	47.8 C (118.0 F)	17.8 C (64.0 F)	n/a	n/a
Aug	45.0 C (113.0 F)	16.7 C (62.1 F)	n/a	n/a
Sep	48.9 C (120.0 F)	15.6 C (60.1 F)	n/a	n/a
Oct	47.8 C (118.0 F)	15.6 C (60.1 F)	n/a	n/a
Nov	45.0 C (113.0 F)	11.7 C (53.1 F)	n/a	n/a
Dec	45.6 C (114.1 F)	10.6 C (51.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Aquiles Serdan still stand. 1980 holds the most, with 134.

Standing records at Aquiles Serdan by the year they were set
Year set	Standing records
1976	50
1977	90
1978	102
1979	117
1980	134
1981	23
1982	15
1983	39
1984	34
1985	8
1986	12
1987	27
1988	25
1989	16
1990	14
1991	15
1992	31
1993	35
1994	9
1995	20
1996	74
1997	68
1998	105
1999	82
2004	42
2005	53
2006	42
2007	29
2008	14
2009	46
2010	44
2011	32
2012	16
2013	1

Wettest Day of Each Month

Sep: 198.4 mm (7.8 in)

The wettest day on record for each calendar month at Aquiles Serdan. The most was 198.4 mm (7.8 in) on 25 September 2012.

Record daily precipitation for each month at Aquiles Serdan
Month	Record daily precipitation (mm)	Date
Jan	141.0 mm (5.6 in)	31 January 1991
Feb	140.0 mm (5.5 in)	5 February 1990
Mar	79.8 mm (3.1 in)	27 March 1978
Apr	159.8 mm (6.3 in)	13 April 1978
May	142.0 mm (5.6 in)	22 May 1982
Jun	143.8 mm (5.7 in)	8 June 1999
Jul	159.8 mm (6.3 in)	28 July 2006
Aug	179.8 mm (7.1 in)	14 August 1988
Sep	198.4 mm (7.8 in)	25 September 2012
Oct	169.9 mm (6.7 in)	4 October 1988
Nov	155.2 mm (6.1 in)	22 November 1976
Dec	126.0 mm (5.0 in)	1 December 1990

Period of Record Coverage

1976 to 2013

34 years of record at Aquiles Serdan, 1976 to 2013. 9 years have data for under 90 percent of days and are left out of rankings: 1976, 1980, 1983, 1995, 1998, 1999, 2004, 2006 and others.

Days with data per year at Aquiles Serdan
Year	Days with data	Share of year	Complete
1976	91	25%	No
1977	364	100%	Yes
1978	364	100%	Yes
1979	341	93%	Yes
1980	265	72%	No
1981	364	100%	Yes
1982	364	100%	Yes
1983	305	84%	No
1984	365	100%	Yes
1985	333	91%	Yes
1986	333	91%	Yes
1987	363	99%	Yes
1988	365	100%	Yes
1989	338	93%	Yes
1990	333	91%	Yes
1991	362	99%	Yes
1992	366	100%	Yes
1993	365	100%	Yes
1994	365	100%	Yes
1995	90	25%	No
1996	363	99%	Yes
1997	351	96%	Yes
1998	233	64%	No
1999	138	38%	No
2004	91	25%	No
2005	364	100%	Yes
2006	319	87%	No
2007	358	98%	Yes
2008	330	90%	Yes
2009	364	100%	Yes
2010	356	98%	Yes
2011	365	100%	Yes
2012	366	100%	Yes
2013	89	24%	No

Latest Records

Latest records at Aquiles Serdan
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
13 March 2013	Aquiles Serdan, MX	daily rain	8.1 mm (0.32 in)	3.3 mm (0.13 in)	34 years	15 of 100 (Routine)
17 January 2013	Aquiles Serdan, MX	daily rain	36.6 mm (1.4 in)	3.8 mm (0.15 in)	15 years	9 of 100 (Routine)

Climate Trend

19 complete years, 1977 to 2012

One stripe for each of 19 complete years at Aquiles Serdan, 1977 to 2012. Blue stripes are years cooler than the station's own mean of 28.4 C (83.1 F); red stripes are warmer. The coolest year was 1996, at 26.5 C (79.8 F), and the warmest was 1992, at 29.6 C (85.2 F). The strongest colour marks a difference of 1.9 C (3.4 F).

Annual mean temperature at Aquiles Serdan as warming stripes, 1977 to 2012
Year	Annual mean temperature	Difference from the station mean
1977	26.9 C	-1.48 C
1978	27.5 C	-0.91 C
1981	28.7 C	+0.32 C
1982	28.9 C	+0.46 C
1984	28.2 C	-0.18 C
1987	28.0 C	-0.40 C
1988	28.2 C	-0.18 C
1991	28.3 C	-0.06 C
1992	29.6 C	+1.18 C
1993	28.8 C	+0.38 C
1994	28.4 C	+0.05 C
1996	26.5 C	-1.86 C
1997	27.1 C	-1.28 C
2005	29.0 C	+0.64 C
2007	28.7 C	+0.30 C
2009	29.2 C	+0.84 C
2010	29.4 C	+1.00 C
2011	29.2 C	+0.83 C
2012	28.7 C	+0.35 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

1976 to 2013

Yearly extremes at Aquiles Serdan: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	48.9 C (120.0 F)	1980	40.0 C (104.0 F)	34
Coldest night (TNn)	10.6 C (51.1 F)	1979	15.0 C (59.0 F)	34
Wettest day (Rx1day)	198.4 mm (7.8 in)	2012	89.9 mm (3.5 in)	34
Wettest five days (Rx5day)	598.2 mm (23.6 in)	1992	207.7 mm (8.2 in)	34
Longest dry spell (CDD)	122 days	1980	33 days	34

Hottest day (TXx)

The hottest day of the year at Aquiles Serdan, 1976 to 2013. The record is 48.9 C (120.0 F) in 1980, marked on the chart; the median year is 40.0 C (104.0 F).

Hottest day (TXx) at Aquiles Serdan by year
Year	Hottest day (TXx)
1976	38.9 C (102.0 F)
1977	45.6 C (114.1 F)
1978	45.6 C (114.1 F)
1979	45.0 C (113.0 F)
1980	48.9 C (120.0 F)
1981	42.8 C (109.0 F)
1982	40.0 C (104.0 F)
1983	43.9 C (111.0 F)
1984	42.8 C (109.0 F)
1985	40.0 C (104.0 F)
1986	40.6 C (105.1 F)
1987	40.6 C (105.1 F)
1988	42.8 C (109.0 F)
1989	40.0 C (104.0 F)
1990	38.9 C (102.0 F)
1991	40.6 C (105.1 F)
1992	40.0 C (104.0 F)
1993	42.8 C (109.0 F)
1994	40.0 C (104.0 F)
1995	38.9 C (102.0 F)
1996	38.9 C (102.0 F)
1997	38.9 C (102.0 F)
1998	35.0 C (95.0 F)
1999	40.0 C (104.0 F)
2004	35.0 C (95.0 F)
2005	40.0 C (104.0 F)
2006	40.0 C (104.0 F)
2007	40.0 C (104.0 F)
2008	40.0 C (104.0 F)
2009	40.0 C (104.0 F)
2010	40.0 C (104.0 F)
2011	40.6 C (105.1 F)
2012	40.0 C (104.0 F)
2013	38.9 C (102.0 F)

Coldest night (TNn)

The coldest night of the year at Aquiles Serdan, 1976 to 2013. The record is 10.6 C (51.1 F) in 1979, marked on the chart; the median year is 15.0 C (59.0 F).

Coldest night (TNn) at Aquiles Serdan by year
Year	Coldest night (TNn)
1976	11.7 C (53.1 F)
1977	11.7 C (53.1 F)
1978	11.7 C (53.1 F)
1979	10.6 C (51.1 F)
1980	12.8 C (55.0 F)
1981	13.9 C (57.0 F)
1982	12.2 C (54.0 F)
1983	11.7 C (53.1 F)
1984	13.9 C (57.0 F)
1985	15.0 C (59.0 F)
1986	15.0 C (59.0 F)
1987	13.9 C (57.0 F)
1988	16.7 C (62.1 F)
1989	13.9 C (57.0 F)
1990	11.7 C (53.1 F)
1991	16.1 C (61.0 F)
1992	15.6 C (60.1 F)
1993	15.6 C (60.1 F)
1994	15.6 C (60.1 F)
1995	18.9 C (66.0 F)
1996	12.8 C (55.0 F)
1997	12.8 C (55.0 F)
1998	15.6 C (60.1 F)
1999	15.0 C (59.0 F)
2004	18.9 C (66.0 F)
2005	15.6 C (60.1 F)
2006	15.6 C (60.1 F)
2007	15.6 C (60.1 F)
2008	13.9 C (57.0 F)
2009	16.7 C (62.1 F)
2010	15.6 C (60.1 F)
2011	17.8 C (64.0 F)
2012	16.7 C (62.1 F)
2013	17.8 C (64.0 F)

Wettest day (Rx1day)

The wettest day of the year at Aquiles Serdan, 1976 to 2013. The record is 198.4 mm (7.8 in) in 2012, marked on the chart; the median year is 89.9 mm (3.5 in).

Wettest day (Rx1day) at Aquiles Serdan by year
Year	Wettest day (Rx1day)
1976	160.0 mm (6.3 in)
1977	79.2 mm (3.1 in)
1978	159.8 mm (6.3 in)
1979	89.9 mm (3.5 in)
1980	71.9 mm (2.8 in)
1981	125.5 mm (4.9 in)
1982	142.0 mm (5.6 in)
1983	78.0 mm (3.1 in)
1984	80.8 mm (3.2 in)
1985	68.8 mm (2.7 in)
1986	85.9 mm (3.4 in)
1987	115.3 mm (4.5 in)
1988	179.8 mm (7.1 in)
1989	80.3 mm (3.2 in)
1990	140.0 mm (5.5 in)
1991	141.0 mm (5.6 in)
1992	129.8 mm (5.1 in)
1993	127.8 mm (5.0 in)
1994	98.6 mm (3.9 in)
1995	46.0 mm (1.8 in)
1996	37.8 mm (1.5 in)
1997	100.3 mm (3.9 in)
1998	34.8 mm (1.4 in)
1999	143.8 mm (5.7 in)
2004	45.0 mm (1.8 in)
2005	74.9 mm (2.9 in)
2006	159.8 mm (6.3 in)
2007	89.9 mm (3.5 in)
2008	64.8 mm (2.6 in)
2009	64.8 mm (2.6 in)
2010	79.8 mm (3.1 in)
2011	103.1 mm (4.1 in)
2012	198.4 mm (7.8 in)
2013	36.6 mm (1.4 in)

Wettest five days (Rx5day)

The wettest five days of the year at Aquiles Serdan, 1976 to 2013. The record is 598.2 mm (23.6 in) in 1992, marked on the chart; the median year is 207.7 mm (8.2 in).

Wettest five days (Rx5day) at Aquiles Serdan by year
Year	Wettest five days (Rx5day)
1976	241.0 mm (9.5 in)
1977	215.6 mm (8.5 in)
1978	174.3 mm (6.9 in)
1979	290.4 mm (11.4 in)
1980	109.0 mm (4.3 in)
1981	215.8 mm (8.5 in)
1982	204.8 mm (8.1 in)
1983	133.4 mm (5.3 in)
1984	219.4 mm (8.6 in)
1985	145.8 mm (5.7 in)
1986	239.5 mm (9.4 in)
1987	318.3 mm (12.5 in)
1988	260.4 mm (10.3 in)
1989	164.1 mm (6.5 in)
1990	293.7 mm (11.6 in)
1991	141.6 mm (5.6 in)
1992	598.2 mm (23.6 in)
1993	210.6 mm (8.3 in)
1994	272.3 mm (10.7 in)
1995	67.5 mm (2.7 in)
1996	129.5 mm (5.1 in)
1997	231.3 mm (9.1 in)
1998	92.4 mm (3.6 in)
1999	143.8 mm (5.7 in)
2004	155.6 mm (6.1 in)
2005	155.4 mm (6.1 in)
2006	173.8 mm (6.8 in)
2007	241.4 mm (9.5 in)
2008	226.7 mm (8.9 in)
2009	109.2 mm (4.3 in)
2010	192.6 mm (7.6 in)
2011	282.1 mm (11.1 in)
2012	291.7 mm (11.5 in)
2013	59.0 mm (2.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Aquiles Serdan, 1976 to 2013. The record is 122 days in 1980, marked on the chart; the median year is 33 days.

Longest dry spell (CDD) at Aquiles Serdan by year
Year	Longest dry spell (CDD)
1976	9 days
1977	53 days
1978	36 days
1979	48 days
1980	122 days
1981	111 days
1982	33 days
1983	39 days
1984	48 days
1985	16 days
1986	32 days
1987	26 days
1988	45 days
1989	20 days
1990	28 days
1991	30 days
1992	28 days
1993	34 days
1994	23 days
1995	27 days
1996	17 days
1997	16 days
1998	26 days
1999	37 days
2004	21 days
2005	95 days
2006	28 days
2007	81 days
2008	44 days
2009	78 days
2010	52 days
2011	42 days
2012	18 days
2013	18 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 Aquiles Serdan standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Aquiles Serdan 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).