Citlaltepetl Weather Records (MXN00030350)

Record envelope, standing records and threshold days for Citlaltepetl (MXN00030350), Mexico, with 32 years of record.

Key Facts for Citlaltepetl

Citlaltepetl (MXN00030350) is a weather station in Mexico at 21.32 latitude and -97.87 longitude, 220 m (721 ft) above sea level.
The station reports from 1980 to 2011, 32 years of record.
1,464 records set at Citlaltepetl still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 21.32 latitude, -97.87 longitude.
Elevation: 220 m (721 ft).
Period of record: 1980 to 2011, 32 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 Citlaltepetl. 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 Citlaltepetl, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	38.3 C (100.9 F)	3.3 C (37.9 F)	n/a	n/a
Feb	36.1 C (97.0 F)	1.7 C (35.1 F)	n/a	n/a
Mar	42.2 C (108.0 F)	6.7 C (44.1 F)	n/a	n/a
Apr	45.0 C (113.0 F)	11.1 C (52.0 F)	n/a	n/a
May	45.0 C (113.0 F)	13.3 C (55.9 F)	n/a	n/a
Jun	39.4 C (102.9 F)	17.2 C (63.0 F)	n/a	n/a
Jul	38.9 C (102.0 F)	18.9 C (66.0 F)	n/a	n/a
Aug	37.8 C (100.0 F)	20.0 C (68.0 F)	n/a	n/a
Sep	37.2 C (99.0 F)	15.6 C (60.1 F)	n/a	n/a
Oct	36.1 C (97.0 F)	8.9 C (48.0 F)	n/a	n/a
Nov	33.3 C (91.9 F)	6.7 C (44.1 F)	n/a	n/a
Dec	33.3 C (91.9 F)	-1.1 C (30.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Citlaltepetl still stand. 1983 holds the most, with 128.

Standing records at Citlaltepetl by the year they were set
Year set	Standing records
1980	51
1981	90
1982	117
1983	128
1984	60
1985	47
1990	98
1991	113
1992	36
2000	67
2001	86
2002	74
2003	70
2004	91
2005	72
2006	74
2007	69
2008	82
2011	39

Wettest Day of Each Month

Aug: 273.8 mm (10.8 in)

The wettest day on record for each calendar month at Citlaltepetl. The most was 273.8 mm (10.8 in) on 7 August 1990.

Record daily precipitation for each month at Citlaltepetl
Month	Record daily precipitation (mm)	Date
Jan	142.0 mm (5.6 in)	5 January 2004
Feb	100.8 mm (4.0 in)	4 February 2007
Mar	66.0 mm (2.6 in)	29 March 2004
Apr	130.8 mm (5.1 in)	20 April 1982
May	82.6 mm (3.3 in)	25 May 2007
Jun	256.3 mm (10.1 in)	28 June 2005
Jul	181.1 mm (7.1 in)	11 July 2004
Aug	273.8 mm (10.8 in)	7 August 1990
Sep	196.6 mm (7.7 in)	20 September 1993
Oct	187.2 mm (7.4 in)	31 October 2003
Nov	84.3 mm (3.3 in)	10 November 2006
Dec	144.3 mm (5.7 in)	4 December 1981

Period of Record Coverage

1980 to 2011

19 years of record at Citlaltepetl, 1980 to 2011. 6 years have data for under 90 percent of days and are left out of rankings: 1980, 1984, 1985, 1992, 2000, 2011.

Days with data per year at Citlaltepetl
Year	Days with data	Share of year	Complete
1980	132	36%	No
1981	357	98%	Yes
1982	360	99%	Yes
1983	357	98%	Yes
1984	200	55%	No
1985	243	67%	No
1990	364	100%	Yes
1991	365	100%	Yes
1992	181	49%	No
2000	303	83%	No
2001	365	100%	Yes
2002	364	100%	Yes
2003	365	100%	Yes
2004	366	100%	Yes
2005	365	100%	Yes
2006	364	100%	Yes
2007	365	100%	Yes
2008	366	100%	Yes
2011	182	50%	No

Latest Records

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

Climate Trend

13 complete years, 1981 to 2008

One stripe for each of 13 complete years at Citlaltepetl, 1981 to 2008. Blue stripes are years cooler than the station's own mean of 23.8 C (74.9 F); red stripes are warmer. The coolest year was 1981, at 23.4 C (74.2 F), and the warmest was 2003, at 24.2 C (75.5 F). The strongest colour marks a difference of 0.5 C (0.9 F).

Annual mean temperature at Citlaltepetl as warming stripes, 1981 to 2008
Year	Annual mean temperature	Difference from the station mean
1981	23.4 C	-0.39 C
1982	24.0 C	+0.13 C
1983	24.1 C	+0.24 C
1990	23.8 C	-0.06 C
1991	24.0 C	+0.15 C
2001	23.9 C	+0.04 C
2002	23.9 C	+0.02 C
2003	24.2 C	+0.34 C
2004	23.7 C	-0.15 C
2005	23.8 C	-0.05 C
2006	24.1 C	+0.29 C
2007	23.7 C	-0.17 C
2008	23.5 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

1980 to 2011

Yearly extremes at Citlaltepetl: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	45.0 C (113.0 F)	1984	39.4 C (102.9 F)	19
Coldest night (TNn)	-1.1 C (30.0 F)	1983	6.1 C (43.0 F)	19
Wettest day (Rx1day)	273.8 mm (10.8 in)	1990	127.3 mm (5.0 in)	20
Wettest five days (Rx5day)	459.8 mm (18.1 in)	1993	212.4 mm (8.4 in)	20
Longest dry spell (CDD)	83 days	1980	36 days	20

Hottest day (TXx)

The hottest day of the year at Citlaltepetl, 1980 to 2011. The record is 45.0 C (113.0 F) in 1984, marked on the chart; the median year is 39.4 C (102.9 F).

Hottest day (TXx) at Citlaltepetl by year
Year	Hottest day (TXx)
1980	34.4 C (93.9 F)
1981	36.1 C (97.0 F)
1982	37.2 C (99.0 F)
1983	40.0 C (104.0 F)
1984	45.0 C (113.0 F)
1985	35.6 C (96.1 F)
1990	39.4 C (102.9 F)
1991	42.2 C (108.0 F)
1992	36.1 C (97.0 F)
1993	n/a
2000	40.0 C (104.0 F)
2001	39.4 C (102.9 F)
2002	39.4 C (102.9 F)
2003	42.2 C (108.0 F)
2004	41.7 C (107.1 F)
2005	41.7 C (107.1 F)
2006	40.6 C (105.1 F)
2007	39.4 C (102.9 F)
2008	40.6 C (105.1 F)
2011	36.7 C (98.1 F)

Coldest night (TNn)

The coldest night of the year at Citlaltepetl, 1980 to 2011. The record is -1.1 C (30.0 F) in 1983, marked on the chart; the median year is 6.1 C (43.0 F).

Coldest night (TNn) at Citlaltepetl by year
Year	Coldest night (TNn)
1980	3.9 C (39.0 F)
1981	7.2 C (45.0 F)
1982	6.1 C (43.0 F)
1983	-1.1 C (30.0 F)
1984	5.0 C (41.0 F)
1985	3.3 C (37.9 F)
1990	6.1 C (43.0 F)
1991	7.8 C (46.0 F)
1992	7.8 C (46.0 F)
1993	n/a
2000	10.0 C (50.0 F)
2001	7.8 C (46.0 F)
2002	6.1 C (43.0 F)
2003	7.2 C (45.0 F)
2004	2.8 C (37.0 F)
2005	6.1 C (43.0 F)
2006	6.1 C (43.0 F)
2007	5.0 C (41.0 F)
2008	6.1 C (43.0 F)
2011	1.7 C (35.1 F)

Wettest day (Rx1day)

The wettest day of the year at Citlaltepetl, 1980 to 2011. The record is 273.8 mm (10.8 in) in 1990, marked on the chart; the median year is 127.3 mm (5.0 in).

Wettest day (Rx1day) at Citlaltepetl by year
Year	Wettest day (Rx1day)
1980	22.4 mm (0.9 in)
1981	144.3 mm (5.7 in)
1982	130.8 mm (5.1 in)
1983	127.0 mm (5.0 in)
1984	62.0 mm (2.4 in)
1985	98.3 mm (3.9 in)
1990	273.8 mm (10.8 in)
1991	109.5 mm (4.3 in)
1992	157.0 mm (6.2 in)
1993	196.6 mm (7.7 in)
2000	103.1 mm (4.1 in)
2001	122.2 mm (4.8 in)
2002	89.9 mm (3.5 in)
2003	187.2 mm (7.4 in)
2004	181.1 mm (7.1 in)
2005	256.3 mm (10.1 in)
2006	92.5 mm (3.6 in)
2007	127.5 mm (5.0 in)
2008	166.1 mm (6.5 in)
2011	50.8 mm (2.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Citlaltepetl, 1980 to 2011. The record is 459.8 mm (18.1 in) in 1993, marked on the chart; the median year is 212.4 mm (8.4 in).

Wettest five days (Rx5day) at Citlaltepetl by year
Year	Wettest five days (Rx5day)
1980	22.4 mm (0.9 in)
1981	214.6 mm (8.4 in)
1982	195.5 mm (7.7 in)
1983	200.4 mm (7.9 in)
1984	106.7 mm (4.2 in)
1985	180.3 mm (7.1 in)
1990	458.5 mm (18.1 in)
1991	265.2 mm (10.4 in)
1992	250.3 mm (9.9 in)
1993	459.8 mm (18.1 in)
2000	224.8 mm (8.9 in)
2001	190.8 mm (7.5 in)
2002	210.1 mm (8.3 in)
2003	275.6 mm (10.9 in)
2004	209.3 mm (8.2 in)
2005	308.8 mm (12.2 in)
2006	152.7 mm (6.0 in)
2007	321.1 mm (12.6 in)
2008	276.1 mm (10.9 in)
2011	81.3 mm (3.2 in)

Longest dry spell (CDD)

The longest dry spell of the year at Citlaltepetl, 1980 to 2011. The record is 83 days in 1980, marked on the chart; the median year is 36 days.

Longest dry spell (CDD) at Citlaltepetl by year
Year	Longest dry spell (CDD)
1980	83 days
1981	51 days
1982	36 days
1983	39 days
1984	56 days
1985	27 days
1990	29 days
1991	38 days
1992	17 days
1993	19 days
2000	19 days
2001	40 days
2002	37 days
2003	47 days
2004	28 days
2005	38 days
2006	35 days
2007	32 days
2008	19 days
2011	24 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 Citlaltepetl standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Citlaltepetl 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).