Chicomuselo Weather Records (MXN00007224)

Record envelope, standing records and threshold days for Chicomuselo (MXN00007224), Mexico, with 33 years of record.

Key Facts for Chicomuselo

Chicomuselo (MXN00007224) is a weather station in Mexico at 15.75 latitude and -92.27 longitude, 550 m (1,804 ft) above sea level.
The station reports from 1975 to 2007, 33 years of record.
1,464 records set at Chicomuselo still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 15.75 latitude, -92.27 longitude.
Elevation: 550 m (1,804 ft).
Period of record: 1975 to 2007, 33 years.
Eligible elements: tmax, tmin, prcp.

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 Chicomuselo. 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 Chicomuselo, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	38.9 C (102.0 F)	3.3 C (37.9 F)	n/a	n/a
Feb	39.4 C (102.9 F)	1.7 C (35.1 F)	n/a	n/a
Mar	40.6 C (105.1 F)	5.0 C (41.0 F)	n/a	n/a
Apr	41.7 C (107.1 F)	10.0 C (50.0 F)	n/a	n/a
May	40.6 C (105.1 F)	11.7 C (53.1 F)	n/a	n/a
Jun	38.9 C (102.0 F)	10.6 C (51.1 F)	n/a	n/a
Jul	38.3 C (100.9 F)	10.6 C (51.1 F)	n/a	n/a
Aug	38.9 C (102.0 F)	10.0 C (50.0 F)	n/a	n/a
Sep	38.3 C (100.9 F)	10.6 C (51.1 F)	n/a	n/a
Oct	38.3 C (100.9 F)	8.3 C (46.9 F)	n/a	n/a
Nov	39.4 C (102.9 F)	9.4 C (48.9 F)	n/a	n/a
Dec	37.2 C (99.0 F)	5.0 C (41.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Chicomuselo still stand. 2003 holds the most, with 197.

Standing records at Chicomuselo by the year they were set
Year set	Standing records
1975	13
1976	48
1977	42
1978	43
1979	28
1980	47
1981	21
1982	25
1983	49
1984	61
1985	18
1986	39
1987	35
1988	94
1989	32
1990	16
1991	7
1992	17
1993	11
1994	15
1995	63
1996	89
1997	3
1998	139
1999	18
2000	100
2002	14
2003	197
2004	98
2005	65
2006	6
2007	11

Wettest Day of Each Month

Jun: 160.0 mm (6.3 in)

The wettest day on record for each calendar month at Chicomuselo. The most was 160.0 mm (6.3 in) on 17 June 1995.

Record daily precipitation for each month at Chicomuselo
Month	Record daily precipitation (mm)	Date
Jan	38.9 mm (1.5 in)	6 January 1996
Feb	60.7 mm (2.4 in)	11 February 2002
Mar	40.9 mm (1.6 in)	14 March 1983
Apr	53.3 mm (2.1 in)	25 April 1981
May	87.1 mm (3.4 in)	21 May 2000
Jun	160.0 mm (6.3 in)	17 June 1995
Jul	91.9 mm (3.6 in)	7 July 1996
Aug	99.1 mm (3.9 in)	30 August 2003
Sep	129.3 mm (5.1 in)	22 September 1989
Oct	104.4 mm (4.1 in)	27 October 1981
Nov	110.5 mm (4.4 in)	2 November 1977
Dec	55.9 mm (2.2 in)	1 December 1988

Period of Record Coverage

1975 to 2007

33 years of record at Chicomuselo, 1975 to 2007. 13 years have data for under 90 percent of days and are left out of rankings: 1975, 1984, 1987, 1989, 1990, 1991, 1993, 1997 and others.

Days with data per year at Chicomuselo
Year	Days with data	Share of year	Complete
1975	198	54%	No
1976	356	97%	Yes
1977	365	100%	Yes
1978	362	99%	Yes
1979	335	92%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	334	92%	Yes
1984	237	65%	No
1985	357	98%	Yes
1986	361	99%	Yes
1987	237	65%	No
1988	358	98%	Yes
1989	325	89%	No
1990	264	72%	No
1991	121	33%	No
1992	365	100%	Yes
1993	211	58%	No
1994	363	99%	Yes
1995	364	100%	Yes
1996	364	99%	Yes
1997	122	33%	No
1998	340	93%	Yes
1999	212	58%	No
2000	366	100%	Yes
2001	59	16%	No
2002	362	99%	Yes
2003	335	92%	Yes
2004	341	93%	Yes
2005	321	88%	No
2006	298	82%	No
2007	309	85%	No

Latest Records

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

Climate Trend

17 complete years, 1976 to 2004

One stripe for each of 17 complete years at Chicomuselo, 1976 to 2004. Blue stripes are years cooler than the station's own mean of 24.8 C (76.6 F); red stripes are warmer. The coolest year was 1988, at 22.6 C (72.7 F), and the warmest was 2003, at 27.1 C (80.9 F). The strongest colour marks a difference of 2.4 C (4.3 F).

Annual mean temperature at Chicomuselo as warming stripes, 1976 to 2004
Year	Annual mean temperature	Difference from the station mean
1976	24.2 C	-0.60 C
1977	24.5 C	-0.30 C
1978	24.4 C	-0.41 C
1980	24.6 C	-0.24 C
1981	24.2 C	-0.60 C
1982	24.3 C	-0.48 C
1985	24.3 C	-0.50 C
1986	24.1 C	-0.68 C
1988	22.6 C	-2.20 C
1992	24.8 C	+0.00 C
1994	24.8 C	+0.04 C
1995	25.6 C	+0.84 C
1996	25.9 C	+1.15 C
2000	24.0 C	-0.77 C
2002	25.0 C	+0.16 C
2003	27.1 C	+2.35 C
2004	27.0 C	+2.18 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

1975 to 2007

Yearly extremes at Chicomuselo: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	41.7 C (107.1 F)	2004	38.9 C (102.0 F)	33
Coldest night (TNn)	1.7 C (35.1 F)	2000	7.8 C (46.0 F)	33
Wettest day (Rx1day)	160.0 mm (6.3 in)	1995	81.8 mm (3.2 in)	33
Wettest five days (Rx5day)	262.6 mm (10.3 in)	1995	181.7 mm (7.2 in)	33
Longest dry spell (CDD)	116 days	1998	47 days	33

Hottest day (TXx)

The hottest day of the year at Chicomuselo, 1975 to 2007. The record is 41.7 C (107.1 F) in 2004, marked on the chart; the median year is 38.9 C (102.0 F).

Hottest day (TXx) at Chicomuselo by year
Year	Hottest day (TXx)
1975	36.7 C (98.1 F)
1976	40.6 C (105.1 F)
1977	40.0 C (104.0 F)
1978	39.4 C (102.9 F)
1979	38.9 C (102.0 F)
1980	40.6 C (105.1 F)
1981	38.9 C (102.0 F)
1982	39.4 C (102.9 F)
1983	40.0 C (104.0 F)
1984	39.4 C (102.9 F)
1985	38.9 C (102.0 F)
1986	40.0 C (104.0 F)
1987	39.4 C (102.9 F)
1988	39.4 C (102.9 F)
1989	38.9 C (102.0 F)
1990	40.0 C (104.0 F)
1991	32.8 C (91.0 F)
1992	40.0 C (104.0 F)
1993	38.9 C (102.0 F)
1994	38.3 C (100.9 F)
1995	39.4 C (102.9 F)
1996	37.8 C (100.0 F)
1997	35.0 C (95.0 F)
1998	38.3 C (100.9 F)
1999	32.2 C (90.0 F)
2000	38.3 C (100.9 F)
2001	34.4 C (93.9 F)
2002	38.3 C (100.9 F)
2003	39.4 C (102.9 F)
2004	41.7 C (107.1 F)
2005	41.1 C (106.0 F)
2006	38.9 C (102.0 F)
2007	38.9 C (102.0 F)

Coldest night (TNn)

The coldest night of the year at Chicomuselo, 1975 to 2007. The record is 1.7 C (35.1 F) in 2000, marked on the chart; the median year is 7.8 C (46.0 F).

Coldest night (TNn) at Chicomuselo by year
Year	Coldest night (TNn)
1975	7.8 C (46.0 F)
1976	5.0 C (41.0 F)
1977	3.9 C (39.0 F)
1978	5.6 C (42.1 F)
1979	5.0 C (41.0 F)
1980	6.7 C (44.1 F)
1981	5.6 C (42.1 F)
1982	8.3 C (46.9 F)
1983	5.0 C (41.0 F)
1984	5.0 C (41.0 F)
1985	6.7 C (44.1 F)
1986	5.0 C (41.0 F)
1987	3.3 C (37.9 F)
1988	7.8 C (46.0 F)
1989	4.4 C (39.9 F)
1990	8.3 C (46.9 F)
1991	10.0 C (50.0 F)
1992	10.0 C (50.0 F)
1993	7.8 C (46.0 F)
1994	7.2 C (45.0 F)
1995	7.8 C (46.0 F)
1996	8.9 C (48.0 F)
1997	15.6 C (60.1 F)
1998	6.7 C (44.1 F)
1999	11.1 C (52.0 F)
2000	1.7 C (35.1 F)
2001	9.4 C (48.9 F)
2002	10.6 C (51.1 F)
2003	9.4 C (48.9 F)
2004	12.2 C (54.0 F)
2005	9.4 C (48.9 F)
2006	11.1 C (52.0 F)
2007	3.9 C (39.0 F)

Wettest day (Rx1day)

The wettest day of the year at Chicomuselo, 1975 to 2007. The record is 160.0 mm (6.3 in) in 1995, marked on the chart; the median year is 81.8 mm (3.2 in).

Wettest day (Rx1day) at Chicomuselo by year
Year	Wettest day (Rx1day)
1975	80.3 mm (3.2 in)
1976	77.5 mm (3.1 in)
1977	110.5 mm (4.4 in)
1978	80.0 mm (3.1 in)
1979	98.3 mm (3.9 in)
1980	93.2 mm (3.7 in)
1981	104.4 mm (4.1 in)
1982	71.6 mm (2.8 in)
1983	86.4 mm (3.4 in)
1984	73.9 mm (2.9 in)
1985	100.8 mm (4.0 in)
1986	71.6 mm (2.8 in)
1987	73.9 mm (2.9 in)
1988	65.3 mm (2.6 in)
1989	129.3 mm (5.1 in)
1990	50.5 mm (2.0 in)
1991	83.1 mm (3.3 in)
1992	81.8 mm (3.2 in)
1993	5.8 mm (0.23 in)
1994	72.1 mm (2.8 in)
1995	160.0 mm (6.3 in)
1996	91.9 mm (3.6 in)
1997	59.2 mm (2.3 in)
1998	77.2 mm (3.0 in)
1999	79.2 mm (3.1 in)
2000	87.1 mm (3.4 in)
2001	5.1 mm (0.20 in)
2002	93.0 mm (3.7 in)
2003	99.1 mm (3.9 in)
2004	76.2 mm (3.0 in)
2005	122.2 mm (4.8 in)
2006	88.6 mm (3.5 in)
2007	94.7 mm (3.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Chicomuselo, 1975 to 2007. The record is 262.6 mm (10.3 in) in 1995, marked on the chart; the median year is 181.7 mm (7.2 in).

Wettest five days (Rx5day) at Chicomuselo by year
Year	Wettest five days (Rx5day)
1975	186.9 mm (7.4 in)
1976	185.8 mm (7.3 in)
1977	167.9 mm (6.6 in)
1978	137.1 mm (5.4 in)
1979	200.7 mm (7.9 in)
1980	181.7 mm (7.2 in)
1981	159.3 mm (6.3 in)
1982	198.2 mm (7.8 in)
1983	132.2 mm (5.2 in)
1984	146.8 mm (5.8 in)
1985	207.1 mm (8.2 in)
1986	147.1 mm (5.8 in)
1987	154.9 mm (6.1 in)
1988	248.6 mm (9.8 in)
1989	192.3 mm (7.6 in)
1990	127.2 mm (5.0 in)
1991	136.0 mm (5.4 in)
1992	149.4 mm (5.9 in)
1993	10.6 mm (0.4 in)
1994	146.1 mm (5.8 in)
1995	262.6 mm (10.3 in)
1996	174.3 mm (6.9 in)
1997	100.6 mm (4.0 in)
1998	184.9 mm (7.3 in)
1999	186.0 mm (7.3 in)
2000	233.3 mm (9.2 in)
2001	5.1 mm (0.20 in)
2002	201.7 mm (7.9 in)
2003	255.1 mm (10.0 in)
2004	149.6 mm (5.9 in)
2005	201.8 mm (7.9 in)
2006	196.3 mm (7.7 in)
2007	225.5 mm (8.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Chicomuselo, 1975 to 2007. The record is 116 days in 1998, marked on the chart; the median year is 47 days.

Longest dry spell (CDD) at Chicomuselo by year
Year	Longest dry spell (CDD)
1975	33 days
1976	35 days
1977	94 days
1978	39 days
1979	53 days
1980	42 days
1981	42 days
1982	51 days
1983	71 days
1984	49 days
1985	49 days
1986	47 days
1987	48 days
1988	93 days
1989	39 days
1990	24 days
1991	27 days
1992	53 days
1993	63 days
1994	51 days
1995	35 days
1996	71 days
1997	9 days
1998	116 days
1999	40 days
2000	34 days
2001	25 days
2002	54 days
2003	68 days
2004	42 days
2005	40 days
2006	47 days
2007	54 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 Chicomuselo standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Chicomuselo 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 2026-10-16 (16 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).