Campo Exp. Coyoacan Weather Records (MXN00009070)

Record envelope, standing records and threshold days for Campo Exp. Coyoacan (MXN00009070), Mexico, with 32 years of record.

Key Facts for Campo Exp. Coyoacan

Campo Exp. Coyoacan (MXN00009070) is a weather station in Mexico at 19.35 latitude and -99.17 longitude, 2,260 m (7,414 ft) above sea level.
The station reports from 1976 to 2007, 32 years of record.
1,464 records set at Campo Exp. Coyoacan still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 19.35 latitude, -99.17 longitude.
Elevation: 2,260 m (7,414 ft).
Period of record: 1976 to 2007, 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 Campo Exp. Coyoacan. 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 Campo Exp. Coyoacan, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	27.2 C (81.0 F)	-2.8 C (27.0 F)	n/a	n/a
Feb	30.6 C (87.1 F)	-1.1 C (30.0 F)	n/a	n/a
Mar	31.7 C (89.1 F)	0.0 C (32.0 F)	n/a	n/a
Apr	32.8 C (91.0 F)	4.4 C (39.9 F)	n/a	n/a
May	33.9 C (93.0 F)	5.6 C (42.1 F)	n/a	n/a
Jun	31.7 C (89.1 F)	5.0 C (41.0 F)	n/a	n/a
Jul	29.4 C (84.9 F)	5.0 C (41.0 F)	n/a	n/a
Aug	28.9 C (84.0 F)	7.8 C (46.0 F)	n/a	n/a
Sep	30.0 C (86.0 F)	3.3 C (37.9 F)	n/a	n/a
Oct	28.9 C (84.0 F)	1.1 C (34.0 F)	n/a	n/a
Nov	26.7 C (80.1 F)	-1.1 C (30.0 F)	n/a	n/a
Dec	27.2 C (81.0 F)	-2.2 C (28.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Campo Exp. Coyoacan still stand. 1998 holds the most, with 89.

Standing records at Campo Exp. Coyoacan by the year they were set
Year set	Standing records
1976	52
1977	35
1978	52
1979	58
1980	33
1981	66
1982	47
1983	80
1984	62
1985	76
1986	45
1989	35
1990	70
1991	59
1992	64
1993	46
1994	27
1995	37
1997	45
1998	89
1999	52
2000	35
2001	35
2002	54
2003	35
2004	40
2005	16
2006	60
2007	59

Wettest Day of Each Month

Jun: 90.7 mm (3.6 in)

The wettest day on record for each calendar month at Campo Exp. Coyoacan. The most was 90.7 mm (3.6 in) on 22 June 1994.

Record daily precipitation for each month at Campo Exp. Coyoacan
Month	Record daily precipitation (mm)	Date
Jan	24.9 mm (1.0 in)	23 January 1994
Feb	19.1 mm (0.8 in)	21 February 1982
Mar	30.2 mm (1.2 in)	15 March 1978
Apr	47.0 mm (1.9 in)	10 April 1985
May	57.4 mm (2.3 in)	22 May 2001
Jun	90.7 mm (3.6 in)	22 June 1994
Jul	68.8 mm (2.7 in)	14 July 1992
Aug	82.6 mm (3.3 in)	25 August 2007
Sep	64.8 mm (2.6 in)	19 September 2007
Oct	90.7 mm (3.6 in)	22 October 1992
Nov	24.6 mm (1.0 in)	2 November 1992
Dec	16.5 mm (0.6 in)	1 December 1976

Period of Record Coverage

1976 to 2007

29 years of record at Campo Exp. Coyoacan, 1976 to 2007. 22 years have data for under 90 percent of days and are left out of rankings: 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983 and others.

Days with data per year at Campo Exp. Coyoacan
Year	Days with data	Share of year	Complete
1976	106	29%	No
1977	172	47%	No
1978	293	80%	No
1979	311	85%	No
1980	264	72%	No
1981	290	79%	No
1982	285	78%	No
1983	296	81%	No
1984	245	67%	No
1985	354	97%	Yes
1986	204	56%	No
1989	227	62%	No
1990	343	94%	Yes
1991	347	95%	Yes
1992	333	91%	Yes
1993	345	95%	Yes
1994	301	82%	No
1995	203	56%	No
1997	211	58%	No
1998	303	83%	No
1999	336	92%	Yes
2000	292	80%	No
2001	211	58%	No
2002	306	84%	No
2003	188	52%	No
2004	201	55%	No
2005	142	39%	No
2006	354	97%	Yes
2007	316	87%	No

Latest Records

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

Extremes by Year

1976 to 2007

Yearly extremes at Campo Exp. Coyoacan: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	33.9 C (93.0 F)	1998	31.1 C (88.0 F)	29
Coldest night (TNn)	-2.8 C (27.0 F)	1986	0.0 C (32.0 F)	29
Wettest day (Rx1day)	90.7 mm (3.6 in)	1992	49.3 mm (1.9 in)	29
Wettest five days (Rx5day)	161.6 mm (6.4 in)	2003	95.0 mm (3.7 in)	29
Longest dry spell (CDD)	99 days	1986	49 days	29

Hottest day (TXx)

The hottest day of the year at Campo Exp. Coyoacan, 1976 to 2007. The record is 33.9 C (93.0 F) in 1998, marked on the chart; the median year is 31.1 C (88.0 F).

Hottest day (TXx) at Campo Exp. Coyoacan by year
Year	Hottest day (TXx)
1976	27.2 C (81.0 F)
1977	29.4 C (84.9 F)
1978	30.6 C (87.1 F)
1979	30.0 C (86.0 F)
1980	30.0 C (86.0 F)
1981	30.0 C (86.0 F)
1982	31.7 C (89.1 F)
1983	32.8 C (91.0 F)
1984	28.9 C (84.0 F)
1985	30.6 C (87.1 F)
1986	32.2 C (90.0 F)
1989	31.1 C (88.0 F)
1990	31.1 C (88.0 F)
1991	31.1 C (88.0 F)
1992	28.9 C (84.0 F)
1993	30.0 C (86.0 F)
1994	31.7 C (89.1 F)
1995	31.7 C (89.1 F)
1997	30.0 C (86.0 F)
1998	33.9 C (93.0 F)
1999	30.6 C (87.1 F)
2000	30.6 C (87.1 F)
2001	31.1 C (88.0 F)
2002	32.2 C (90.0 F)
2003	33.9 C (93.0 F)
2004	28.9 C (84.0 F)
2005	32.2 C (90.0 F)
2006	31.7 C (89.1 F)
2007	31.7 C (89.1 F)

Coldest night (TNn)

The coldest night of the year at Campo Exp. Coyoacan, 1976 to 2007. The record is -2.8 C (27.0 F) in 1986, marked on the chart; the median year is 0.0 C (32.0 F).

Coldest night (TNn) at Campo Exp. Coyoacan by year
Year	Coldest night (TNn)
1976	5.0 C (41.0 F)
1977	2.8 C (37.0 F)
1978	0.0 C (32.0 F)
1979	0.0 C (32.0 F)
1980	0.0 C (32.0 F)
1981	-1.1 C (30.0 F)
1982	1.7 C (35.1 F)
1983	0.0 C (32.0 F)
1984	0.0 C (32.0 F)
1985	0.0 C (32.0 F)
1986	-2.8 C (27.0 F)
1989	-2.2 C (28.0 F)
1990	0.0 C (32.0 F)
1991	1.7 C (35.1 F)
1992	1.7 C (35.1 F)
1993	1.7 C (35.1 F)
1994	3.3 C (37.9 F)
1995	0.6 C (33.1 F)
1997	-2.2 C (28.0 F)
1998	-1.1 C (30.0 F)
1999	-1.1 C (30.0 F)
2000	0.0 C (32.0 F)
2001	1.7 C (35.1 F)
2002	-1.1 C (30.0 F)
2003	1.7 C (35.1 F)
2004	0.6 C (33.1 F)
2005	0.6 C (33.1 F)
2006	-1.1 C (30.0 F)
2007	0.6 C (33.1 F)

Wettest day (Rx1day)

The wettest day of the year at Campo Exp. Coyoacan, 1976 to 2007. The record is 90.7 mm (3.6 in) in 1992, marked on the chart; the median year is 49.3 mm (1.9 in).

Wettest day (Rx1day) at Campo Exp. Coyoacan by year
Year	Wettest day (Rx1day)
1976	18.8 mm (0.7 in)
1977	51.8 mm (2.0 in)
1978	48.5 mm (1.9 in)
1979	29.5 mm (1.2 in)
1980	41.7 mm (1.6 in)
1981	38.4 mm (1.5 in)
1982	30.5 mm (1.2 in)
1983	34.3 mm (1.4 in)
1984	49.3 mm (1.9 in)
1985	47.0 mm (1.9 in)
1986	49.5 mm (1.9 in)
1989	49.8 mm (2.0 in)
1990	40.9 mm (1.6 in)
1991	47.0 mm (1.9 in)
1992	90.7 mm (3.6 in)
1993	79.2 mm (3.1 in)
1994	90.7 mm (3.6 in)
1995	49.3 mm (1.9 in)
1997	61.7 mm (2.4 in)
1998	50.8 mm (2.0 in)
1999	47.5 mm (1.9 in)
2000	43.2 mm (1.7 in)
2001	57.4 mm (2.3 in)
2002	61.2 mm (2.4 in)
2003	76.2 mm (3.0 in)
2004	38.9 mm (1.5 in)
2005	20.3 mm (0.8 in)
2006	67.1 mm (2.6 in)
2007	82.6 mm (3.3 in)

Wettest five days (Rx5day)

The wettest five days of the year at Campo Exp. Coyoacan, 1976 to 2007. The record is 161.6 mm (6.4 in) in 2003, marked on the chart; the median year is 95.0 mm (3.7 in).

Wettest five days (Rx5day) at Campo Exp. Coyoacan by year
Year	Wettest five days (Rx5day)
1976	16.5 mm (0.6 in)
1977	96.2 mm (3.8 in)
1978	95.0 mm (3.7 in)
1979	81.6 mm (3.2 in)
1980	70.4 mm (2.8 in)
1981	88.2 mm (3.5 in)
1982	55.4 mm (2.2 in)
1983	77.6 mm (3.1 in)
1984	134.2 mm (5.3 in)
1985	82.8 mm (3.3 in)
1986	118.3 mm (4.7 in)
1989	92.2 mm (3.6 in)
1990	81.5 mm (3.2 in)
1991	115.1 mm (4.5 in)
1992	141.4 mm (5.6 in)
1993	141.0 mm (5.6 in)
1994	133.1 mm (5.2 in)
1995	61.0 mm (2.4 in)
1997	101.1 mm (4.0 in)
1998	125.5 mm (4.9 in)
1999	72.9 mm (2.9 in)
2000	75.0 mm (3.0 in)
2001	109.3 mm (4.3 in)
2002	104.4 mm (4.1 in)
2003	161.6 mm (6.4 in)
2004	68.0 mm (2.7 in)
2005	26.5 mm (1.0 in)
2006	137.4 mm (5.4 in)
2007	110.8 mm (4.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Campo Exp. Coyoacan, 1976 to 2007. The record is 99 days in 1986, marked on the chart; the median year is 49 days.

Longest dry spell (CDD) at Campo Exp. Coyoacan by year
Year	Longest dry spell (CDD)
1976	94 days
1977	81 days
1978	22 days
1979	70 days
1980	47 days
1981	41 days
1982	52 days
1983	49 days
1984	28 days
1985	72 days
1986	99 days
1989	25 days
1990	40 days
1991	56 days
1992	40 days
1993	44 days
1994	67 days
1995	52 days
1997	45 days
1998	91 days
1999	83 days
2000	59 days
2001	52 days
2002	43 days
2003	82 days
2004	41 days
2005	20 days
2006	41 days
2007	36 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 Campo Exp. Coyoacan standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Campo Exp. Coyoacan 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 2026-10-14 (14 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).