Altamira (Dge) Weather Records (MXN00028175)

Record envelope, standing records and threshold days for Altamira (Dge) (MXN00028175), Mexico, with 34 years of record.

Key Facts for Altamira (Dge)

Altamira (Dge) (MXN00028175) is a weather station in Mexico at 22.42 latitude and -97.93 longitude, 25 m (82 ft) above sea level.
The station reports from 1978 to 2011, 34 years of record.
1,464 records set at Altamira (Dge) still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 22.42 latitude, -97.93 longitude.
Elevation: 25 m (82 ft).
Period of record: 1978 to 2011, 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 Altamira (Dge). 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 Altamira (Dge), 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)	1.7 C (35.1 F)	n/a	n/a
Feb	35.0 C (95.0 F)	0.6 C (33.1 F)	n/a	n/a
Mar	41.7 C (107.1 F)	2.2 C (36.0 F)	n/a	n/a
Apr	40.0 C (104.0 F)	11.1 C (52.0 F)	n/a	n/a
May	45.6 C (114.1 F)	13.9 C (57.0 F)	n/a	n/a
Jun	38.3 C (100.9 F)	13.9 C (57.0 F)	n/a	n/a
Jul	38.9 C (102.0 F)	15.6 C (60.1 F)	n/a	n/a
Aug	38.9 C (102.0 F)	18.9 C (66.0 F)	n/a	n/a
Sep	40.0 C (104.0 F)	10.6 C (51.1 F)	n/a	n/a
Oct	37.8 C (100.0 F)	10.0 C (50.0 F)	n/a	n/a
Nov	35.6 C (96.1 F)	0.6 C (33.1 F)	n/a	n/a
Dec	36.7 C (98.1 F)	-4.4 C (24.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Altamira (Dge) still stand. 1980 holds the most, with 123.

Standing records at Altamira (Dge) by the year they were set
Year set	Standing records
1978	11
1979	17
1980	123
1981	42
1982	56
1983	67
1984	104
1985	48
1986	51
1987	60
1988	11
1990	15
1991	56
1992	32
1993	50
1994	58
1995	31
1996	27
1997	42
1998	40
1999	35
2000	58
2001	41
2003	82
2004	72
2005	40
2006	35
2007	40
2008	102
2009	2
2010	15
2011	1

Wettest Day of Each Month

Aug: 225.8 mm (8.9 in)

The wettest day on record for each calendar month at Altamira (Dge). The most was 225.8 mm (8.9 in) on 7 August 1990.

Record daily precipitation for each month at Altamira (Dge)
Month	Record daily precipitation (mm)	Date
Jan	147.6 mm (5.8 in)	21 January 1994
Feb	27.2 mm (1.1 in)	4 February 2007
Mar	89.7 mm (3.5 in)	12 March 2007
Apr	107.7 mm (4.2 in)	26 April 2008
May	75.4 mm (3.0 in)	30 May 2006
Jun	127.8 mm (5.0 in)	11 June 1994
Jul	198.6 mm (7.8 in)	5 July 2008
Aug	225.8 mm (8.9 in)	7 August 1990
Sep	180.6 mm (7.1 in)	4 September 1984
Oct	129.8 mm (5.1 in)	4 October 2005
Nov	33.8 mm (1.3 in)	20 November 2008
Dec	87.9 mm (3.5 in)	3 December 1979

Period of Record Coverage

1978 to 2011

32 years of record at Altamira (Dge), 1978 to 2011. 15 years have data for under 90 percent of days and are left out of rankings: 1978, 1979, 1980, 1987, 1988, 1990, 1995, 2000 and others.

Days with data per year at Altamira (Dge)
Year	Days with data	Share of year	Complete
1978	38	10%	No
1979	116	32%	No
1980	327	89%	No
1981	355	97%	Yes
1982	342	94%	Yes
1983	361	99%	Yes
1984	366	100%	Yes
1985	364	100%	Yes
1986	365	100%	Yes
1987	285	78%	No
1988	89	24%	No
1990	236	65%	No
1991	364	100%	Yes
1992	366	100%	Yes
1993	358	98%	Yes
1994	363	99%	Yes
1995	326	89%	No
1996	366	100%	Yes
1997	365	100%	Yes
1998	365	100%	Yes
1999	362	99%	Yes
2000	285	78%	No
2001	305	84%	No
2003	110	30%	No
2004	335	92%	Yes
2005	365	100%	Yes
2006	272	75%	No
2007	272	75%	No
2008	365	100%	Yes
2009	87	24%	No
2010	151	41%	No
2011	31	8%	No

Latest Records

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

Climate Trend

15 complete years, 1981 to 2008

One stripe for each of 15 complete years at Altamira (Dge), 1981 to 2008. Blue stripes are years cooler than the station's own mean of 24.2 C (75.5 F); red stripes are warmer. The coolest year was 1984, at 23.2 C (73.7 F), and the warmest was 1998, at 25.1 C (77.1 F). The strongest colour marks a difference of 1.1 C (2.0 F).

Annual mean temperature at Altamira (Dge) as warming stripes, 1981 to 2008
Year	Annual mean temperature	Difference from the station mean
1981	24.8 C	+0.66 C
1983	23.8 C	-0.35 C
1984	23.2 C	-1.01 C
1985	23.6 C	-0.57 C
1986	23.8 C	-0.35 C
1991	24.3 C	+0.12 C
1992	23.8 C	-0.41 C
1993	24.1 C	-0.05 C
1994	24.4 C	+0.19 C
1996	24.0 C	-0.21 C
1997	24.2 C	+0.06 C
1998	25.1 C	+0.87 C
1999	24.8 C	+0.64 C
2005	24.4 C	+0.26 C
2008	24.3 C	+0.12 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

1978 to 2011

Yearly extremes at Altamira (Dge): the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	45.6 C (114.1 F)	1999	37.8 C (100.0 F)	32
Coldest night (TNn)	-4.4 C (24.1 F)	1983	5.0 C (41.0 F)	32
Wettest day (Rx1day)	225.8 mm (8.9 in)	1990	81.8 mm (3.2 in)	31
Wettest five days (Rx5day)	497.8 mm (19.6 in)	2008	146.4 mm (5.8 in)	31
Longest dry spell (CDD)	133 days	1999	41 days	31

Hottest day (TXx)

The hottest day of the year at Altamira (Dge), 1978 to 2011. The record is 45.6 C (114.1 F) in 1999, marked on the chart; the median year is 37.8 C (100.0 F).

Hottest day (TXx) at Altamira (Dge) by year
Year	Hottest day (TXx)
1978	31.7 C (89.1 F)
1979	35.0 C (95.0 F)
1980	40.6 C (105.1 F)
1981	36.7 C (98.1 F)
1982	35.6 C (96.1 F)
1983	40.0 C (104.0 F)
1984	40.6 C (105.1 F)
1985	33.9 C (93.0 F)
1986	36.1 C (97.0 F)
1987	37.8 C (100.0 F)
1988	35.0 C (95.0 F)
1990	38.9 C (102.0 F)
1991	38.9 C (102.0 F)
1992	37.8 C (100.0 F)
1993	35.0 C (95.0 F)
1994	38.9 C (102.0 F)
1995	38.9 C (102.0 F)
1996	35.0 C (95.0 F)
1997	37.2 C (99.0 F)
1998	38.9 C (102.0 F)
1999	45.6 C (114.1 F)
2000	41.7 C (107.1 F)
2001	37.8 C (100.0 F)
2003	37.8 C (100.0 F)
2004	37.2 C (99.0 F)
2005	37.8 C (100.0 F)
2006	40.0 C (104.0 F)
2007	40.0 C (104.0 F)
2008	38.3 C (100.9 F)
2009	31.7 C (89.1 F)
2010	38.9 C (102.0 F)
2011	33.9 C (93.0 F)

Coldest night (TNn)

The coldest night of the year at Altamira (Dge), 1978 to 2011. The record is -4.4 C (24.1 F) in 1983, marked on the chart; the median year is 5.0 C (41.0 F).

Coldest night (TNn) at Altamira (Dge) by year
Year	Coldest night (TNn)
1978	0.0 C (32.0 F)
1979	7.8 C (46.0 F)
1980	7.8 C (46.0 F)
1981	7.8 C (46.0 F)
1982	7.8 C (46.0 F)
1983	-4.4 C (24.1 F)
1984	3.9 C (39.0 F)
1985	1.7 C (35.1 F)
1986	3.9 C (39.0 F)
1987	1.7 C (35.1 F)
1988	11.1 C (52.0 F)
1990	5.0 C (41.0 F)
1991	7.8 C (46.0 F)
1992	5.0 C (41.0 F)
1993	0.0 C (32.0 F)
1994	3.9 C (39.0 F)
1995	2.2 C (36.0 F)
1996	2.8 C (37.0 F)
1997	5.6 C (42.1 F)
1998	10.0 C (50.0 F)
1999	7.8 C (46.0 F)
2000	5.0 C (41.0 F)
2001	7.8 C (46.0 F)
2003	0.6 C (33.1 F)
2004	0.6 C (33.1 F)
2005	4.4 C (39.9 F)
2006	1.1 C (34.0 F)
2007	5.0 C (41.0 F)
2008	2.8 C (37.0 F)
2009	5.0 C (41.0 F)
2010	6.7 C (44.1 F)
2011	6.7 C (44.1 F)

Wettest day (Rx1day)

The wettest day of the year at Altamira (Dge), 1978 to 2011. The record is 225.8 mm (8.9 in) in 1990, marked on the chart; the median year is 81.8 mm (3.2 in).

Wettest day (Rx1day) at Altamira (Dge) by year
Year	Wettest day (Rx1day)
1978	5.8 mm (0.23 in)
1979	87.9 mm (3.5 in)
1980	79.0 mm (3.1 in)
1981	127.8 mm (5.0 in)
1982	70.1 mm (2.8 in)
1983	74.4 mm (2.9 in)
1984	180.6 mm (7.1 in)
1985	76.7 mm (3.0 in)
1986	90.2 mm (3.6 in)
1987	64.5 mm (2.5 in)
1988	40.4 mm (1.6 in)
1990	225.8 mm (8.9 in)
1991	52.1 mm (2.1 in)
1992	67.3 mm (2.6 in)
1993	117.3 mm (4.6 in)
1994	147.6 mm (5.8 in)
1995	77.0 mm (3.0 in)
1996	84.8 mm (3.3 in)
1997	100.1 mm (3.9 in)
1998	77.0 mm (3.0 in)
1999	120.9 mm (4.8 in)
2000	82.8 mm (3.3 in)
2001	81.8 mm (3.2 in)
2003	2.8 mm (0.11 in)
2004	95.0 mm (3.7 in)
2005	129.8 mm (5.1 in)
2006	75.4 mm (3.0 in)
2007	149.1 mm (5.9 in)
2008	198.6 mm (7.8 in)
2009	25.9 mm (1.0 in)
2010	45.5 mm (1.8 in)
2011	n/a

Wettest five days (Rx5day)

The wettest five days of the year at Altamira (Dge), 1978 to 2011. The record is 497.8 mm (19.6 in) in 2008, marked on the chart; the median year is 146.4 mm (5.8 in).

Wettest five days (Rx5day) at Altamira (Dge) by year
Year	Wettest five days (Rx5day)
1978	7.9 mm (0.31 in)
1979	172.3 mm (6.8 in)
1980	80.6 mm (3.2 in)
1981	316.5 mm (12.5 in)
1982	92.6 mm (3.6 in)
1983	120.7 mm (4.8 in)
1984	470.4 mm (18.5 in)
1985	121.1 mm (4.8 in)
1986	148.6 mm (5.9 in)
1987	136.2 mm (5.4 in)
1988	58.2 mm (2.3 in)
1990	270.5 mm (10.6 in)
1991	124.5 mm (4.9 in)
1992	116.6 mm (4.6 in)
1993	265.7 mm (10.5 in)
1994	333.1 mm (13.1 in)
1995	146.4 mm (5.8 in)
1996	195.9 mm (7.7 in)
1997	243.7 mm (9.6 in)
1998	216.7 mm (8.5 in)
1999	315.8 mm (12.4 in)
2000	112.3 mm (4.4 in)
2001	113.6 mm (4.5 in)
2003	8.0 mm (0.31 in)
2004	167.3 mm (6.6 in)
2005	202.9 mm (8.0 in)
2006	87.1 mm (3.4 in)
2007	190.3 mm (7.5 in)
2008	497.8 mm (19.6 in)
2009	30.2 mm (1.2 in)
2010	45.5 mm (1.8 in)
2011	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Altamira (Dge), 1978 to 2011. The record is 133 days in 1999, marked on the chart; the median year is 41 days.

Longest dry spell (CDD) at Altamira (Dge) by year
Year	Longest dry spell (CDD)
1978	15 days
1979	41 days
1980	102 days
1981	50 days
1982	35 days
1983	52 days
1984	63 days
1985	28 days
1986	34 days
1987	27 days
1988	61 days
1990	32 days
1991	31 days
1992	28 days
1993	43 days
1994	30 days
1995	44 days
1996	95 days
1997	47 days
1998	83 days
1999	133 days
2000	76 days
2001	48 days
2003	18 days
2004	48 days
2005	59 days
2006	33 days
2007	25 days
2008	33 days
2009	19 days
2010	24 days
2011	n/a

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 Altamira (Dge) standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Altamira (Dge) 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).