Omiltemi Weather Records (MXN00012150)

Record envelope, standing records and threshold days for Omiltemi (MXN00012150), Mexico, with 33 years of record.

Key Facts for Omiltemi

Omiltemi (MXN00012150) is a weather station in Mexico at 17.55 latitude and -99.68 longitude, 1,900 m (6,233 ft) above sea level.
The station reports from 1980 to 2012, 33 years of record.
1,464 records set at Omiltemi still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 17.55 latitude, -99.68 longitude.
Elevation: 1,900 m (6,233 ft).
Period of record: 1980 to 2012, 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 Omiltemi. 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 Omiltemi, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	28.3 C (82.9 F)	0.0 C (32.0 F)	n/a	n/a
Feb	25.6 C (78.1 F)	0.0 C (32.0 F)	n/a	n/a
Mar	26.1 C (79.0 F)	0.6 C (33.1 F)	n/a	n/a
Apr	27.2 C (81.0 F)	0.6 C (33.1 F)	n/a	n/a
May	30.0 C (86.0 F)	3.3 C (37.9 F)	n/a	n/a
Jun	29.4 C (84.9 F)	0.0 C (32.0 F)	n/a	n/a
Jul	26.1 C (79.0 F)	0.6 C (33.1 F)	n/a	n/a
Aug	26.1 C (79.0 F)	1.7 C (35.1 F)	n/a	n/a
Sep	28.9 C (84.0 F)	1.1 C (34.0 F)	n/a	n/a
Oct	30.6 C (87.1 F)	2.2 C (36.0 F)	n/a	n/a
Nov	30.0 C (86.0 F)	0.0 C (32.0 F)	n/a	n/a
Dec	27.2 C (81.0 F)	0.0 C (32.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Omiltemi still stand. 1983 holds the most, with 165.

Standing records at Omiltemi by the year they were set
Year set	Standing records
1980	61
1981	101
1982	66
1983	165
1984	93
1985	32
1986	81
1987	24
1988	27
1990	13
1991	27
1992	28
1993	45
1994	36
1995	2
1996	25
1997	37
1998	12
2000	37
2001	108
2002	41
2003	51
2004	10
2005	72
2006	39
2007	134
2008	25
2009	16
2010	22
2011	24
2012	10

Wettest Day of Each Month

Feb: 96.5 mm (3.8 in)

The wettest day on record for each calendar month at Omiltemi. The most was 96.5 mm (3.8 in) on 4 February 2010.

Record daily precipitation for each month at Omiltemi
Month	Record daily precipitation (mm)	Date
Jan	48.3 mm (1.9 in)	29 January 1992
Feb	96.5 mm (3.8 in)	4 February 2010
Mar	34.3 mm (1.4 in)	30 March 2004
Apr	40.9 mm (1.6 in)	22 April 1997
May	69.9 mm (2.8 in)	11 May 1984
Jun	80.0 mm (3.1 in)	3 June 2006
Jul	82.3 mm (3.2 in)	5 July 1980
Aug	90.4 mm (3.6 in)	27 August 1981
Sep	79.2 mm (3.1 in)	27 September 2003
Oct	60.2 mm (2.4 in)	8 October 1997
Nov	56.4 mm (2.2 in)	16 November 2011
Dec	30.0 mm (1.2 in)	22 December 2000

Period of Record Coverage

1980 to 2012

31 years of record at Omiltemi, 1980 to 2012. 16 years have data for under 90 percent of days and are left out of rankings: 1980, 1983, 1984, 1985, 1987, 1988, 1990, 1991 and others.

Days with data per year at Omiltemi
Year	Days with data	Share of year	Complete
1980	199	54%	No
1981	365	100%	Yes
1982	335	92%	Yes
1983	270	74%	No
1984	304	83%	No
1985	184	50%	No
1986	346	95%	Yes
1987	92	25%	No
1988	182	50%	No
1990	91	25%	No
1991	120	33%	No
1992	216	59%	No
1993	181	50%	No
1994	335	92%	Yes
1995	62	17%	No
1996	335	92%	Yes
1997	365	100%	Yes
1998	181	50%	No
2000	182	50%	No
2001	88	24%	No
2002	365	100%	Yes
2003	365	100%	Yes
2004	182	50%	No
2005	364	100%	Yes
2006	365	100%	Yes
2007	365	100%	Yes
2008	366	100%	Yes
2009	243	67%	No
2010	365	100%	Yes
2011	365	100%	Yes
2012	335	92%	Yes

Latest Records

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

Climate Trend

10 complete years, 1981 to 2011

One stripe for each of 10 complete years at Omiltemi, 1981 to 2011. Blue stripes are years cooler than the station's own mean of 14.6 C (58.3 F); red stripes are warmer. The coolest year was 1981, at 13.8 C (56.9 F), and the warmest was 2007, at 15.8 C (60.5 F). The strongest colour marks a difference of 1.3 C (2.3 F).

Annual mean temperature at Omiltemi as warming stripes, 1981 to 2011
Year	Annual mean temperature	Difference from the station mean
1981	13.8 C	-0.76 C
1997	14.4 C	-0.16 C
2002	14.3 C	-0.30 C
2003	14.8 C	+0.22 C
2005	15.1 C	+0.53 C
2006	14.8 C	+0.20 C
2007	15.8 C	+1.24 C
2008	14.5 C	-0.14 C
2010	14.0 C	-0.59 C
2011	14.4 C	-0.20 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

1980 to 2012

Yearly extremes at Omiltemi: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	30.6 C (87.1 F)	2001	25.0 C (77.0 F)	31
Coldest night (TNn)	0.0 C (32.0 F)	1980	1.7 C (35.1 F)	31
Wettest day (Rx1day)	96.5 mm (3.8 in)	2010	52.1 mm (2.1 in)	31
Wettest five days (Rx5day)	348.4 mm (13.7 in)	2012	149.4 mm (5.9 in)	31
Longest dry spell (CDD)	138 days	2000	78 days	31

Hottest day (TXx)

The hottest day of the year at Omiltemi, 1980 to 2012. The record is 30.6 C (87.1 F) in 2001, marked on the chart; the median year is 25.0 C (77.0 F).

Hottest day (TXx) at Omiltemi by year
Year	Hottest day (TXx)
1980	28.3 C (82.9 F)
1981	25.0 C (77.0 F)
1982	26.7 C (80.1 F)
1983	25.0 C (77.0 F)
1984	25.0 C (77.0 F)
1985	30.0 C (86.0 F)
1986	25.0 C (77.0 F)
1987	24.4 C (75.9 F)
1988	26.7 C (80.1 F)
1990	24.4 C (75.9 F)
1991	23.3 C (73.9 F)
1992	28.3 C (82.9 F)
1993	27.2 C (81.0 F)
1994	24.4 C (75.9 F)
1995	24.4 C (75.9 F)
1996	24.4 C (75.9 F)
1997	24.4 C (75.9 F)
1998	24.4 C (75.9 F)
2000	24.4 C (75.9 F)
2001	30.6 C (87.1 F)
2002	27.2 C (81.0 F)
2003	27.2 C (81.0 F)
2004	25.0 C (77.0 F)
2005	29.4 C (84.9 F)
2006	27.2 C (81.0 F)
2007	28.3 C (82.9 F)
2008	26.1 C (79.0 F)
2009	23.3 C (73.9 F)
2010	24.4 C (75.9 F)
2011	26.1 C (79.0 F)
2012	24.4 C (75.9 F)

Coldest night (TNn)

The coldest night of the year at Omiltemi, 1980 to 2012. The record is 0.0 C (32.0 F) in 1980, marked on the chart; the median year is 1.7 C (35.1 F).

Coldest night (TNn) at Omiltemi by year
Year	Coldest night (TNn)
1980	0.0 C (32.0 F)
1981	0.0 C (32.0 F)
1982	1.1 C (34.0 F)
1983	0.0 C (32.0 F)
1984	0.0 C (32.0 F)
1985	2.2 C (36.0 F)
1986	0.6 C (33.1 F)
1987	0.0 C (32.0 F)
1988	0.6 C (33.1 F)
1990	1.7 C (35.1 F)
1991	0.6 C (33.1 F)
1992	0.6 C (33.1 F)
1993	0.0 C (32.0 F)
1994	0.6 C (33.1 F)
1995	3.3 C (37.9 F)
1996	1.7 C (35.1 F)
1997	0.0 C (32.0 F)
1998	2.8 C (37.0 F)
2000	2.8 C (37.0 F)
2001	5.6 C (42.1 F)
2002	2.8 C (37.0 F)
2003	1.7 C (35.1 F)
2004	3.9 C (39.0 F)
2005	1.7 C (35.1 F)
2006	2.8 C (37.0 F)
2007	5.6 C (42.1 F)
2008	2.8 C (37.0 F)
2009	2.8 C (37.0 F)
2010	0.0 C (32.0 F)
2011	1.7 C (35.1 F)
2012	5.6 C (42.1 F)

Wettest day (Rx1day)

The wettest day of the year at Omiltemi, 1980 to 2012. The record is 96.5 mm (3.8 in) in 2010, marked on the chart; the median year is 52.1 mm (2.1 in).

Wettest day (Rx1day) at Omiltemi by year
Year	Wettest day (Rx1day)
1980	82.3 mm (3.2 in)
1981	90.4 mm (3.6 in)
1982	27.9 mm (1.1 in)
1983	28.2 mm (1.1 in)
1984	72.6 mm (2.9 in)
1985	20.6 mm (0.8 in)
1986	47.8 mm (1.9 in)
1987	6.1 mm (0.24 in)
1988	60.7 mm (2.4 in)
1990	35.3 mm (1.4 in)
1991	31.8 mm (1.3 in)
1992	48.3 mm (1.9 in)
1993	60.5 mm (2.4 in)
1994	48.5 mm (1.9 in)
1995	19.6 mm (0.8 in)
1996	48.3 mm (1.9 in)
1997	68.1 mm (2.7 in)
1998	44.2 mm (1.7 in)
2000	48.3 mm (1.9 in)
2001	25.9 mm (1.0 in)
2002	52.1 mm (2.1 in)
2003	79.2 mm (3.1 in)
2004	45.0 mm (1.8 in)
2005	71.1 mm (2.8 in)
2006	80.0 mm (3.1 in)
2007	66.3 mm (2.6 in)
2008	63.2 mm (2.5 in)
2009	56.4 mm (2.2 in)
2010	96.5 mm (3.8 in)
2011	76.2 mm (3.0 in)
2012	88.4 mm (3.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Omiltemi, 1980 to 2012. The record is 348.4 mm (13.7 in) in 2012, marked on the chart; the median year is 149.4 mm (5.9 in).

Wettest five days (Rx5day) at Omiltemi by year
Year	Wettest five days (Rx5day)
1980	134.4 mm (5.3 in)
1981	139.4 mm (5.5 in)
1982	78.0 mm (3.1 in)
1983	94.5 mm (3.7 in)
1984	149.4 mm (5.9 in)
1985	83.4 mm (3.3 in)
1986	123.0 mm (4.8 in)
1987	18.5 mm (0.7 in)
1988	130.3 mm (5.1 in)
1990	93.7 mm (3.7 in)
1991	118.0 mm (4.6 in)
1992	149.4 mm (5.9 in)
1993	200.4 mm (7.9 in)
1994	174.8 mm (6.9 in)
1995	19.6 mm (0.8 in)
1996	190.4 mm (7.5 in)
1997	202.7 mm (8.0 in)
1998	126.3 mm (5.0 in)
2000	197.5 mm (7.8 in)
2001	89.1 mm (3.5 in)
2002	139.0 mm (5.5 in)
2003	172.3 mm (6.8 in)
2004	108.9 mm (4.3 in)
2005	169.2 mm (6.7 in)
2006	241.5 mm (9.5 in)
2007	221.0 mm (8.7 in)
2008	171.1 mm (6.7 in)
2009	206.8 mm (8.1 in)
2010	209.0 mm (8.2 in)
2011	278.4 mm (11.0 in)
2012	348.4 mm (13.7 in)

Longest dry spell (CDD)

The longest dry spell of the year at Omiltemi, 1980 to 2012. The record is 138 days in 2000, marked on the chart; the median year is 78 days.

Longest dry spell (CDD) at Omiltemi by year
Year	Longest dry spell (CDD)
1980	44 days
1981	61 days
1982	49 days
1983	69 days
1984	99 days
1985	15 days
1986	55 days
1987	31 days
1988	64 days
1990	28 days
1991	32 days
1992	31 days
1993	120 days
1994	91 days
1995	29 days
1996	89 days
1997	102 days
1998	110 days
2000	138 days
2001	44 days
2002	95 days
2003	88 days
2004	57 days
2005	78 days
2006	83 days
2007	68 days
2008	128 days
2009	119 days
2010	101 days
2011	110 days
2012	133 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 Omiltemi standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Omiltemi 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).