Hueyapan E-4 Weather Records (MXN00017046)

Record envelope, standing records and threshold days for Hueyapan E-4 (MXN00017046), Mexico, with 38 years of record.

Key Facts for Hueyapan E-4

Hueyapan E-4 (MXN00017046) is a weather station in Mexico at 18.88 latitude and -98.68 longitude, 2,285 m (7,496 ft) above sea level.
The station reports from 1976 to 2013, 38 years of record.
1,464 records set at Hueyapan E-4 still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 18.88 latitude, -98.68 longitude.
Elevation: 2,285 m (7,496 ft).
Period of record: 1976 to 2013, 38 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 Hueyapan E-4. 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 Hueyapan E-4, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	30.0 C (86.0 F)	-5.0 C (23.0 F)	n/a	n/a
Feb	33.3 C (91.9 F)	-4.4 C (24.1 F)	n/a	n/a
Mar	34.4 C (93.9 F)	-6.1 C (21.0 F)	n/a	n/a
Apr	35.0 C (95.0 F)	-2.2 C (28.0 F)	n/a	n/a
May	33.9 C (93.0 F)	1.7 C (35.1 F)	n/a	n/a
Jun	30.6 C (87.1 F)	2.8 C (37.0 F)	n/a	n/a
Jul	33.9 C (93.0 F)	0.6 C (33.1 F)	n/a	n/a
Aug	28.3 C (82.9 F)	3.9 C (39.0 F)	n/a	n/a
Sep	30.0 C (86.0 F)	0.6 C (33.1 F)	n/a	n/a
Oct	31.7 C (89.1 F)	-1.1 C (30.0 F)	n/a	n/a
Nov	30.0 C (86.0 F)	-4.4 C (24.1 F)	n/a	n/a
Dec	30.0 C (86.0 F)	-4.4 C (24.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Hueyapan E-4 still stand. 2000 holds the most, with 139.

Standing records at Hueyapan E-4 by the year they were set
Year set	Standing records
1986	17
1987	31
1988	25
1989	27
1990	134
1991	84
1992	47
1993	36
1994	21
1995	20
1996	25
1997	62
1998	40
1999	3
2000	139
2001	28
2002	64
2003	64
2004	74
2005	86
2006	83
2007	54
2008	55
2009	39
2010	98
2011	46
2012	42
2013	20

Wettest Day of Each Month

Jun: 105.9 mm (4.2 in)

The wettest day on record for each calendar month at Hueyapan E-4. The most was 105.9 mm (4.2 in) on 30 June 2011.

Record daily precipitation for each month at Hueyapan E-4
Month	Record daily precipitation (mm)	Date
Jan	34.3 mm (1.4 in)	30 January 1995
Feb	89.9 mm (3.5 in)	4 February 2010
Mar	25.4 mm (1.0 in)	23 March 1992
Apr	38.9 mm (1.5 in)	16 April 1994
May	61.5 mm (2.4 in)	21 May 2007
Jun	105.9 mm (4.2 in)	30 June 2011
Jul	92.5 mm (3.6 in)	18 July 1999
Aug	99.8 mm (3.9 in)	17 August 2010
Sep	73.9 mm (2.9 in)	14 September 2009
Oct	98.3 mm (3.9 in)	15 October 1990
Nov	61.5 mm (2.4 in)	10 November 1990
Dec	32.3 mm (1.3 in)	10 December 1977

Period of Record Coverage

1985 to 2013

29 years of record at Hueyapan E-4, 1985 to 2013. 4 years have data for under 90 percent of days and are left out of rankings: 1985, 1996, 2001, 2013.

Days with data per year at Hueyapan E-4
Year	Days with data	Share of year	Complete
1985	153	42%	No
1986	365	100%	Yes
1987	365	100%	Yes
1988	366	100%	Yes
1989	365	100%	Yes
1990	365	100%	Yes
1991	365	100%	Yes
1992	366	100%	Yes
1993	365	100%	Yes
1994	365	100%	Yes
1995	365	100%	Yes
1996	274	75%	No
1997	360	99%	Yes
1998	365	100%	Yes
1999	365	100%	Yes
2000	366	100%	Yes
2001	306	84%	No
2002	365	100%	Yes
2003	365	100%	Yes
2004	366	100%	Yes
2005	365	100%	Yes
2006	365	100%	Yes
2007	365	100%	Yes
2008	366	100%	Yes
2009	365	100%	Yes
2010	365	100%	Yes
2011	365	100%	Yes
2012	366	100%	Yes
2013	151	41%	No

Latest Records

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

Climate Trend

23 complete years, 1986 to 2012

One stripe for each of 23 complete years at Hueyapan E-4, 1986 to 2012. Blue stripes are years cooler than the station's own mean of 14.7 C (58.5 F); red stripes are warmer. The coolest year was 2010, at 11.8 C (53.3 F), and the warmest was 2005, at 18.2 C (64.7 F). The strongest colour marks a difference of 3.5 C (6.3 F).

Annual mean temperature at Hueyapan E-4 as warming stripes, 1986 to 2012
Year	Annual mean temperature	Difference from the station mean
1986	14.3 C	-0.46 C
1989	15.2 C	+0.43 C
1990	16.3 C	+1.53 C
1991	15.6 C	+0.92 C
1992	14.8 C	+0.03 C
1993	16.1 C	+1.39 C
1994	15.9 C	+1.20 C
1995	16.1 C	+1.41 C
1997	15.2 C	+0.46 C
1998	14.9 C	+0.18 C
1999	16.0 C	+1.25 C
2000	15.4 C	+0.71 C
2002	17.8 C	+3.04 C
2003	16.2 C	+1.47 C
2004	11.9 C	-2.84 C
2005	18.2 C	+3.46 C
2006	16.7 C	+1.99 C
2007	12.2 C	-2.52 C
2008	11.9 C	-2.78 C
2009	12.2 C	-2.54 C
2010	11.8 C	-2.91 C
2011	12.0 C	-2.69 C
2012	11.9 C	-2.79 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 Hueyapan E-4: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.0 C (95.0 F)	2003	29.4 C (84.9 F)	29
Coldest night (TNn)	-6.1 C (21.0 F)	2013	0.0 C (32.0 F)	29
Wettest day (Rx1day)	105.9 mm (4.2 in)	2011	55.9 mm (2.2 in)	31
Wettest five days (Rx5day)	209.9 mm (8.3 in)	1976	137.6 mm (5.4 in)	31
Longest dry spell (CDD)	134 days	1999	72 days	31

Hottest day (TXx)

The hottest day of the year at Hueyapan E-4, 1976 to 2013. The record is 35.0 C (95.0 F) in 2003, marked on the chart; the median year is 29.4 C (84.9 F).

Hottest day (TXx) at Hueyapan E-4 by year
Year	Hottest day (TXx)
1976	n/a
1977	n/a
1985	25.0 C (77.0 F)
1986	28.9 C (84.0 F)
1987	27.8 C (82.0 F)
1988	29.4 C (84.9 F)
1989	28.3 C (82.9 F)
1990	29.4 C (84.9 F)
1991	31.7 C (89.1 F)
1992	27.2 C (81.0 F)
1993	30.0 C (86.0 F)
1994	30.0 C (86.0 F)
1995	30.0 C (86.0 F)
1996	28.9 C (84.0 F)
1997	29.4 C (84.9 F)
1998	29.4 C (84.9 F)
1999	32.8 C (91.0 F)
2000	33.9 C (93.0 F)
2001	29.4 C (84.9 F)
2002	33.9 C (93.0 F)
2003	35.0 C (95.0 F)
2004	25.6 C (78.1 F)
2005	33.3 C (91.9 F)
2006	34.4 C (93.9 F)
2007	25.6 C (78.1 F)
2008	27.8 C (82.0 F)
2009	26.7 C (80.1 F)
2010	27.8 C (82.0 F)
2011	25.6 C (78.1 F)
2012	25.6 C (78.1 F)
2013	26.7 C (80.1 F)

Coldest night (TNn)

The coldest night of the year at Hueyapan E-4, 1976 to 2013. The record is -6.1 C (21.0 F) in 2013, marked on the chart; the median year is 0.0 C (32.0 F).

Coldest night (TNn) at Hueyapan E-4 by year
Year	Coldest night (TNn)
1976	n/a
1977	n/a
1985	0.6 C (33.1 F)
1986	-2.2 C (28.0 F)
1987	-3.3 C (26.1 F)
1988	-5.0 C (23.0 F)
1989	-2.2 C (28.0 F)
1990	0.0 C (32.0 F)
1991	0.0 C (32.0 F)
1992	0.6 C (33.1 F)
1993	4.4 C (39.9 F)
1994	2.2 C (36.0 F)
1995	0.6 C (33.1 F)
1996	0.6 C (33.1 F)
1997	1.7 C (35.1 F)
1998	1.7 C (35.1 F)
1999	1.7 C (35.1 F)
2000	0.0 C (32.0 F)
2001	0.6 C (33.1 F)
2002	2.8 C (37.0 F)
2003	-3.3 C (26.1 F)
2004	-4.4 C (24.1 F)
2005	2.2 C (36.0 F)
2006	-4.4 C (24.1 F)
2007	-2.2 C (28.0 F)
2008	-3.3 C (26.1 F)
2009	-4.4 C (24.1 F)
2010	-4.4 C (24.1 F)
2011	-3.3 C (26.1 F)
2012	-2.2 C (28.0 F)
2013	-6.1 C (21.0 F)

Wettest day (Rx1day)

The wettest day of the year at Hueyapan E-4, 1976 to 2013. The record is 105.9 mm (4.2 in) in 2011, marked on the chart; the median year is 55.9 mm (2.2 in).

Wettest day (Rx1day) at Hueyapan E-4 by year
Year	Wettest day (Rx1day)
1976	78.5 mm (3.1 in)
1977	55.9 mm (2.2 in)
1985	41.9 mm (1.6 in)
1986	38.4 mm (1.5 in)
1987	34.8 mm (1.4 in)
1988	57.2 mm (2.3 in)
1989	19.8 mm (0.8 in)
1990	98.3 mm (3.9 in)
1991	38.4 mm (1.5 in)
1992	51.3 mm (2.0 in)
1993	59.4 mm (2.3 in)
1994	47.5 mm (1.9 in)
1995	45.0 mm (1.8 in)
1996	41.4 mm (1.6 in)
1997	52.1 mm (2.1 in)
1998	102.4 mm (4.0 in)
1999	92.5 mm (3.6 in)
2000	47.8 mm (1.9 in)
2001	68.3 mm (2.7 in)
2002	54.4 mm (2.1 in)
2003	47.2 mm (1.9 in)
2004	59.9 mm (2.4 in)
2005	57.4 mm (2.3 in)
2006	84.6 mm (3.3 in)
2007	61.5 mm (2.4 in)
2008	49.8 mm (2.0 in)
2009	101.9 mm (4.0 in)
2010	99.8 mm (3.9 in)
2011	105.9 mm (4.2 in)
2012	79.8 mm (3.1 in)
2013	41.9 mm (1.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Hueyapan E-4, 1976 to 2013. The record is 209.9 mm (8.3 in) in 1976, marked on the chart; the median year is 137.6 mm (5.4 in).

Wettest five days (Rx5day) at Hueyapan E-4 by year
Year	Wettest five days (Rx5day)
1976	209.9 mm (8.3 in)
1977	169.8 mm (6.7 in)
1985	61.4 mm (2.4 in)
1986	99.0 mm (3.9 in)
1987	80.6 mm (3.2 in)
1988	148.5 mm (5.8 in)
1989	62.5 mm (2.5 in)
1990	142.3 mm (5.6 in)
1991	117.9 mm (4.6 in)
1992	114.6 mm (4.5 in)
1993	150.1 mm (5.9 in)
1994	99.1 mm (3.9 in)
1995	92.8 mm (3.7 in)
1996	92.2 mm (3.6 in)
1997	100.7 mm (4.0 in)
1998	170.7 mm (6.7 in)
1999	184.8 mm (7.3 in)
2000	115.4 mm (4.5 in)
2001	124.0 mm (4.9 in)
2002	137.6 mm (5.4 in)
2003	117.8 mm (4.6 in)
2004	156.8 mm (6.2 in)
2005	99.6 mm (3.9 in)
2006	138.2 mm (5.4 in)
2007	148.1 mm (5.8 in)
2008	156.1 mm (6.1 in)
2009	146.0 mm (5.7 in)
2010	164.6 mm (6.5 in)
2011	168.9 mm (6.6 in)
2012	205.8 mm (8.1 in)
2013	64.3 mm (2.5 in)

Longest dry spell (CDD)

The longest dry spell of the year at Hueyapan E-4, 1976 to 2013. The record is 134 days in 1999, marked on the chart; the median year is 72 days.

Longest dry spell (CDD) at Hueyapan E-4 by year
Year	Longest dry spell (CDD)
1976	58 days
1977	88 days
1985	32 days
1986	103 days
1987	63 days
1988	65 days
1989	82 days
1990	51 days
1991	108 days
1992	36 days
1993	79 days
1994	82 days
1995	42 days
1996	101 days
1997	67 days
1998	95 days
1999	134 days
2000	117 days
2001	74 days
2002	47 days
2003	88 days
2004	59 days
2005	71 days
2006	81 days
2007	70 days
2008	75 days
2009	50 days
2010	58 days
2011	104 days
2012	56 days
2013	72 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 Hueyapan E-4 standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Hueyapan E-4 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).