Momax Weather Records (MXN00032124)

Record envelope, standing records and threshold days for Momax (MXN00032124), Mexico, with 34 years of record.

Key Facts for Momax

Momax (MXN00032124) is a weather station in Mexico at 21.92 latitude and -103.30 longitude, 1,649 m (5,410 ft) above sea level.
The station reports from 1979 to 2012, 34 years of record.
1,464 records set at Momax still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 21.92 latitude, -103.30 longitude.
Elevation: 1,649 m (5,410 ft).
Period of record: 1979 to 2012, 34 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 Momax. 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 Momax, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	32.8 C (91.0 F)	-8.3 C (17.1 F)	n/a	n/a
Feb	35.0 C (95.0 F)	-7.2 C (19.0 F)	n/a	n/a
Mar	39.4 C (102.9 F)	-5.0 C (23.0 F)	n/a	n/a
Apr	39.4 C (102.9 F)	-3.3 C (26.1 F)	n/a	n/a
May	41.1 C (106.0 F)	0.6 C (33.1 F)	n/a	n/a
Jun	40.0 C (104.0 F)	6.7 C (44.1 F)	n/a	n/a
Jul	36.7 C (98.1 F)	7.8 C (46.0 F)	n/a	n/a
Aug	35.0 C (95.0 F)	7.8 C (46.0 F)	n/a	n/a
Sep	34.4 C (93.9 F)	7.2 C (45.0 F)	n/a	n/a
Oct	34.4 C (93.9 F)	-2.2 C (28.0 F)	n/a	n/a
Nov	33.9 C (93.0 F)	-8.9 C (16.0 F)	n/a	n/a
Dec	31.7 C (89.1 F)	-7.2 C (19.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Momax still stand. 1983 holds the most, with 112.

Standing records at Momax by the year they were set
Year set	Standing records
1979	16
1980	38
1981	33
1982	70
1983	112
1984	49
1985	111
1986	57
1987	28
1988	28
1995	53
1996	60
1997	76
1998	82
1999	42
2000	70
2001	58
2002	74
2003	56
2004	47
2006	56
2007	26
2009	51
2010	77
2011	47
2012	47

Wettest Day of Each Month

Jun: 79.8 mm (3.1 in)

The wettest day on record for each calendar month at Momax. The most was 79.8 mm (3.1 in) on 30 June 1982.

Record daily precipitation for each month at Momax
Month	Record daily precipitation (mm)	Date
Jan	37.8 mm (1.5 in)	12 January 1987
Feb	48.8 mm (1.9 in)	2 February 2010
Mar	15.7 mm (0.6 in)	10 March 2004
Apr	9.9 mm (0.39 in)	17 April 2006
May	36.8 mm (1.4 in)	12 May 2009
Jun	79.8 mm (3.1 in)	30 June 1982
Jul	77.0 mm (3.0 in)	18 July 1997
Aug	58.9 mm (2.3 in)	14 August 1997
Sep	79.8 mm (3.1 in)	18 September 1985
Oct	30.0 mm (1.2 in)	14 October 1981
Nov	32.8 mm (1.3 in)	30 November 2009
Dec	41.9 mm (1.6 in)	1 December 1979

Period of Record Coverage

1979 to 2012

26 years of record at Momax, 1979 to 2012. 11 years have data for under 90 percent of days and are left out of rankings: 1979, 1980, 1981, 1982, 1984, 1985, 1986, 1987 and others.

Days with data per year at Momax
Year	Days with data	Share of year	Complete
1979	59	16%	No
1980	245	67%	No
1981	247	68%	No
1982	303	83%	No
1983	365	100%	Yes
1984	244	67%	No
1985	275	75%	No
1986	212	58%	No
1987	135	37%	No
1988	90	25%	No
1995	283	78%	No
1996	366	100%	Yes
1997	365	100%	Yes
1998	335	92%	Yes
1999	354	97%	Yes
2000	328	90%	No
2001	365	100%	Yes
2002	365	100%	Yes
2003	364	100%	Yes
2004	365	100%	Yes
2006	365	100%	Yes
2007	365	100%	Yes
2009	364	100%	Yes
2010	364	100%	Yes
2011	364	100%	Yes
2012	335	92%	Yes

Latest Records

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

Climate Trend

13 complete years, 1983 to 2011

One stripe for each of 13 complete years at Momax, 1983 to 2011. Blue stripes are years cooler than the station's own mean of 18.8 C (65.8 F); red stripes are warmer. The coolest year was 1983, at 17.0 C (62.6 F), and the warmest was 2002, at 19.4 C (66.8 F). The strongest colour marks a difference of 1.8 C (3.2 F).

Annual mean temperature at Momax as warming stripes, 1983 to 2011
Year	Annual mean temperature	Difference from the station mean
1983	17.0 C	-1.80 C
1996	19.2 C	+0.41 C
1997	18.9 C	+0.15 C
1999	18.6 C	-0.16 C
2001	19.2 C	+0.42 C
2002	19.4 C	+0.56 C
2003	19.2 C	+0.42 C
2004	18.7 C	-0.13 C
2006	19.0 C	+0.22 C
2007	18.6 C	-0.22 C
2009	19.1 C	+0.34 C
2010	18.2 C	-0.64 C
2011	19.2 C	+0.39 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

1979 to 2012

Yearly extremes at Momax: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	41.1 C (106.0 F)	2011	38.9 C (102.0 F)	26
Coldest night (TNn)	-8.9 C (16.0 F)	2011	-5.0 C (23.0 F)	26
Wettest day (Rx1day)	79.8 mm (3.1 in)	1982	41.9 mm (1.6 in)	27
Wettest five days (Rx5day)	121.0 mm (4.8 in)	1982	83.9 mm (3.3 in)	27
Longest dry spell (CDD)	151 days	1998	96 days	27

Hottest day (TXx)

The hottest day of the year at Momax, 1979 to 2012. The record is 41.1 C (106.0 F) in 2011, marked on the chart; the median year is 38.9 C (102.0 F).

Hottest day (TXx) at Momax by year
Year	Hottest day (TXx)
1979	30.0 C (86.0 F)
1980	40.0 C (104.0 F)
1981	35.6 C (96.1 F)
1982	40.0 C (104.0 F)
1983	38.9 C (102.0 F)
1984	36.7 C (98.1 F)
1985	35.0 C (95.0 F)
1986	33.9 C (93.0 F)
1987	35.6 C (96.1 F)
1988	33.9 C (93.0 F)
1989	n/a
1995	39.4 C (102.9 F)
1996	39.4 C (102.9 F)
1997	38.9 C (102.0 F)
1998	40.0 C (104.0 F)
1999	38.9 C (102.0 F)
2000	38.9 C (102.0 F)
2001	38.9 C (102.0 F)
2002	38.9 C (102.0 F)
2003	40.0 C (104.0 F)
2004	37.8 C (100.0 F)
2006	39.4 C (102.9 F)
2007	37.8 C (100.0 F)
2009	40.0 C (104.0 F)
2010	39.4 C (102.9 F)
2011	41.1 C (106.0 F)
2012	39.4 C (102.9 F)

Coldest night (TNn)

The coldest night of the year at Momax, 1979 to 2012. The record is -8.9 C (16.0 F) in 2011, marked on the chart; the median year is -5.0 C (23.0 F).

Coldest night (TNn) at Momax by year
Year	Coldest night (TNn)
1979	-7.8 C (18.0 F)
1980	0.0 C (32.0 F)
1981	-5.0 C (23.0 F)
1982	-5.0 C (23.0 F)
1983	-5.0 C (23.0 F)
1984	-4.4 C (24.1 F)
1985	-4.4 C (24.1 F)
1986	-2.2 C (28.0 F)
1987	-7.2 C (19.0 F)
1988	0.0 C (32.0 F)
1989	n/a
1995	-5.0 C (23.0 F)
1996	-5.0 C (23.0 F)
1997	-5.0 C (23.0 F)
1998	-6.1 C (21.0 F)
1999	-5.0 C (23.0 F)
2000	-5.0 C (23.0 F)
2001	-5.0 C (23.0 F)
2002	-5.0 C (23.0 F)
2003	-7.2 C (19.0 F)
2004	-6.1 C (21.0 F)
2006	-8.3 C (17.1 F)
2007	-5.0 C (23.0 F)
2009	-5.0 C (23.0 F)
2010	-6.1 C (21.0 F)
2011	-8.9 C (16.0 F)
2012	-5.0 C (23.0 F)

Wettest day (Rx1day)

The wettest day of the year at Momax, 1979 to 2012. The record is 79.8 mm (3.1 in) in 1982, marked on the chart; the median year is 41.9 mm (1.6 in).

Wettest day (Rx1day) at Momax by year
Year	Wettest day (Rx1day)
1979	41.9 mm (1.6 in)
1980	31.0 mm (1.2 in)
1981	35.3 mm (1.4 in)
1982	79.8 mm (3.1 in)
1983	34.8 mm (1.4 in)
1984	20.8 mm (0.8 in)
1985	79.8 mm (3.1 in)
1986	43.9 mm (1.7 in)
1987	37.8 mm (1.5 in)
1988	40.1 mm (1.6 in)
1989	0.0 mm (0.00 in)
1995	50.8 mm (2.0 in)
1996	39.4 mm (1.6 in)
1997	77.0 mm (3.0 in)
1998	41.9 mm (1.6 in)
1999	35.3 mm (1.4 in)
2000	55.9 mm (2.2 in)
2001	26.4 mm (1.0 in)
2002	31.8 mm (1.3 in)
2003	50.8 mm (2.0 in)
2004	41.9 mm (1.6 in)
2006	62.5 mm (2.5 in)
2007	39.9 mm (1.6 in)
2009	51.8 mm (2.0 in)
2010	48.8 mm (1.9 in)
2011	31.5 mm (1.2 in)
2012	45.0 mm (1.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Momax, 1979 to 2012. The record is 121.0 mm (4.8 in) in 1982, marked on the chart; the median year is 83.9 mm (3.3 in).

Wettest five days (Rx5day) at Momax by year
Year	Wettest five days (Rx5day)
1979	57.6 mm (2.3 in)
1980	50.3 mm (2.0 in)
1981	49.8 mm (2.0 in)
1982	121.0 mm (4.8 in)
1983	79.6 mm (3.1 in)
1984	58.3 mm (2.3 in)
1985	109.8 mm (4.3 in)
1986	87.9 mm (3.5 in)
1987	57.9 mm (2.3 in)
1988	95.8 mm (3.8 in)
1989	0.0 mm (0.00 in)
1995	83.9 mm (3.3 in)
1996	80.6 mm (3.2 in)
1997	94.4 mm (3.7 in)
1998	43.2 mm (1.7 in)
1999	85.2 mm (3.4 in)
2000	63.5 mm (2.5 in)
2001	90.5 mm (3.6 in)
2002	93.6 mm (3.7 in)
2003	92.3 mm (3.6 in)
2004	96.7 mm (3.8 in)
2006	103.6 mm (4.1 in)
2007	105.7 mm (4.2 in)
2009	72.6 mm (2.9 in)
2010	76.2 mm (3.0 in)
2011	55.9 mm (2.2 in)
2012	94.8 mm (3.7 in)

Longest dry spell (CDD)

The longest dry spell of the year at Momax, 1979 to 2012. The record is 151 days in 1998, marked on the chart; the median year is 96 days.

Longest dry spell (CDD) at Momax by year
Year	Longest dry spell (CDD)
1979	29 days
1980	96 days
1981	32 days
1982	130 days
1983	72 days
1984	96 days
1985	44 days
1986	116 days
1987	64 days
1988	95 days
1989	59 days
1995	86 days
1996	114 days
1997	33 days
1998	151 days
1999	101 days
2000	66 days
2001	127 days
2002	71 days
2003	109 days
2004	85 days
2006	105 days
2007	109 days
2009	112 days
2010	108 days
2011	122 days
2012	43 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 Momax standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Momax 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).