Santa Catarina Los Reyes Weather Records (MXN00021154)

Record envelope, standing records and threshold days for Santa Catarina Los Reyes (MXN00021154), Mexico, with 32 years of record.

Key Facts for Santa Catarina Los Reyes

Santa Catarina Los Reyes (MXN00021154) is a weather station in Mexico at 18.87 latitude and -97.43 longitude, 2,180 m (7,152 ft) above sea level.
The station reports from 1978 to 2009, 32 years of record.
1,464 records set at Santa Catarina Los Reyes still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 18.87 latitude, -97.43 longitude.
Elevation: 2,180 m (7,152 ft).
Period of record: 1978 to 2009, 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 Santa Catarina Los Reyes. 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 Santa Catarina Los Reyes, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	26.1 C (79.0 F)	-5.6 C (21.9 F)	n/a	n/a
Feb	27.2 C (81.0 F)	-4.4 C (24.1 F)	n/a	n/a
Mar	30.6 C (87.1 F)	-3.3 C (26.1 F)	n/a	n/a
Apr	31.1 C (88.0 F)	-2.2 C (28.0 F)	n/a	n/a
May	32.8 C (91.0 F)	0.6 C (33.1 F)	n/a	n/a
Jun	30.0 C (86.0 F)	0.6 C (33.1 F)	n/a	n/a
Jul	27.2 C (81.0 F)	1.1 C (34.0 F)	n/a	n/a
Aug	27.2 C (81.0 F)	1.1 C (34.0 F)	n/a	n/a
Sep	27.8 C (82.0 F)	-2.8 C (27.0 F)	n/a	n/a
Oct	29.4 C (84.9 F)	-3.3 C (26.1 F)	n/a	n/a
Nov	30.0 C (86.0 F)	-6.1 C (21.0 F)	n/a	n/a
Dec	28.9 C (84.0 F)	-7.2 C (19.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Santa Catarina Los Reyes still stand. 1998 holds the most, with 100.

Standing records at Santa Catarina Los Reyes by the year they were set
Year set	Standing records
1978	22
1979	85
1980	79
1981	71
1982	70
1983	73
1984	68
1985	8
1986	55
1989	50
1990	55
1991	64
1992	57
1993	43
1994	45
1995	12
1996	43
1997	61
1998	100
1999	78
2000	81
2001	64
2007	66
2008	64
2009	50

Wettest Day of Each Month

Jul: 190.0 mm (7.5 in)

The wettest day on record for each calendar month at Santa Catarina Los Reyes. The most was 190.0 mm (7.5 in) on 15 July 1998.

Record daily precipitation for each month at Santa Catarina Los Reyes
Month	Record daily precipitation (mm)	Date
Jan	23.4 mm (0.9 in)	11 January 1984
Feb	24.4 mm (1.0 in)	11 February 1983
Mar	17.0 mm (0.7 in)	13 March 1983
Apr	25.4 mm (1.0 in)	20 April 2007
May	61.5 mm (2.4 in)	16 May 1997
Jun	52.6 mm (2.1 in)	21 June 1993
Jul	190.0 mm (7.5 in)	15 July 1998
Aug	42.9 mm (1.7 in)	8 August 1980
Sep	46.0 mm (1.8 in)	9 September 2008
Oct	50.3 mm (2.0 in)	29 October 1994
Nov	25.4 mm (1.0 in)	10 November 1997
Dec	20.8 mm (0.8 in)	8 December 1989

Period of Record Coverage

1978 to 2009

25 years of record at Santa Catarina Los Reyes, 1978 to 2009. 6 years have data for under 90 percent of days and are left out of rankings: 1978, 1985, 1986, 1989, 1995, 1996.

Days with data per year at Santa Catarina Los Reyes
Year	Days with data	Share of year	Complete
1978	58	16%	No
1979	365	100%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	334	92%	Yes
1984	335	92%	Yes
1985	61	17%	No
1986	211	58%	No
1989	303	83%	No
1990	365	100%	Yes
1991	362	99%	Yes
1992	366	100%	Yes
1993	365	100%	Yes
1994	364	100%	Yes
1995	90	25%	No
1996	152	42%	No
1997	363	99%	Yes
1998	363	99%	Yes
1999	364	100%	Yes
2000	366	100%	Yes
2001	365	100%	Yes
2007	361	99%	Yes
2008	363	99%	Yes
2009	365	100%	Yes

Latest Records

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

Climate Trend

17 complete years, 1979 to 2009

One stripe for each of 17 complete years at Santa Catarina Los Reyes, 1979 to 2009. Blue stripes are years cooler than the station's own mean of 12.9 C (55.2 F); red stripes are warmer. The coolest year was 1999, at 12.4 C (54.2 F), and the warmest was 1998, at 13.6 C (56.5 F). The strongest colour marks a difference of 0.8 C (1.4 F).

Annual mean temperature at Santa Catarina Los Reyes as warming stripes, 1979 to 2009
Year	Annual mean temperature	Difference from the station mean
1979	12.9 C	+0.08 C
1980	12.9 C	-0.01 C
1981	12.5 C	-0.32 C
1982	12.7 C	-0.17 C
1990	12.5 C	-0.34 C
1991	13.2 C	+0.32 C
1992	12.7 C	-0.12 C
1993	13.1 C	+0.24 C
1994	13.4 C	+0.52 C
1997	13.2 C	+0.31 C
1998	13.6 C	+0.74 C
1999	12.4 C	-0.50 C
2000	12.6 C	-0.31 C
2001	12.8 C	-0.09 C
2007	12.8 C	-0.11 C
2008	12.6 C	-0.31 C
2009	13.0 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 2009

Yearly extremes at Santa Catarina Los Reyes: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	32.8 C (91.0 F)	1998	29.4 C (84.9 F)	25
Coldest night (TNn)	-7.2 C (19.0 F)	1990	-4.4 C (24.1 F)	25
Wettest day (Rx1day)	190.0 mm (7.5 in)	1998	30.5 mm (1.2 in)	25
Wettest five days (Rx5day)	312.2 mm (12.3 in)	1998	61.0 mm (2.4 in)	25
Longest dry spell (CDD)	111 days	1991	64 days	25

Hottest day (TXx)

The hottest day of the year at Santa Catarina Los Reyes, 1978 to 2009. The record is 32.8 C (91.0 F) in 1998, marked on the chart; the median year is 29.4 C (84.9 F).

Hottest day (TXx) at Santa Catarina Los Reyes by year
Year	Hottest day (TXx)
1978	26.7 C (80.1 F)
1979	30.0 C (86.0 F)
1980	30.0 C (86.0 F)
1981	28.3 C (82.9 F)
1982	30.0 C (86.0 F)
1983	30.0 C (86.0 F)
1984	30.6 C (87.1 F)
1985	24.4 C (75.9 F)
1986	26.7 C (80.1 F)
1989	28.9 C (84.0 F)
1990	27.8 C (82.0 F)
1991	30.6 C (87.1 F)
1992	29.4 C (84.9 F)
1993	30.0 C (86.0 F)
1994	29.4 C (84.9 F)
1995	29.4 C (84.9 F)
1996	26.1 C (79.0 F)
1997	27.8 C (82.0 F)
1998	32.8 C (91.0 F)
1999	29.4 C (84.9 F)
2000	30.0 C (86.0 F)
2001	30.0 C (86.0 F)
2007	28.9 C (84.0 F)
2008	29.4 C (84.9 F)
2009	28.3 C (82.9 F)

Coldest night (TNn)

The coldest night of the year at Santa Catarina Los Reyes, 1978 to 2009. The record is -7.2 C (19.0 F) in 1990, marked on the chart; the median year is -4.4 C (24.1 F).

Coldest night (TNn) at Santa Catarina Los Reyes by year
Year	Coldest night (TNn)
1978	-0.6 C (30.9 F)
1979	-2.8 C (27.0 F)
1980	-6.1 C (21.0 F)
1981	-5.0 C (23.0 F)
1982	-6.7 C (19.9 F)
1983	-3.9 C (25.0 F)
1984	-6.1 C (21.0 F)
1985	-2.8 C (27.0 F)
1986	-5.6 C (21.9 F)
1989	-5.0 C (23.0 F)
1990	-7.2 C (19.0 F)
1991	-1.7 C (28.9 F)
1992	-4.4 C (24.1 F)
1993	-2.2 C (28.0 F)
1994	-4.4 C (24.1 F)
1995	0.6 C (33.1 F)
1996	-4.4 C (24.1 F)
1997	-4.4 C (24.1 F)
1998	-3.3 C (26.1 F)
1999	-6.1 C (21.0 F)
2000	-5.0 C (23.0 F)
2001	-5.6 C (21.9 F)
2007	-3.3 C (26.1 F)
2008	-4.4 C (24.1 F)
2009	-3.3 C (26.1 F)

Wettest day (Rx1day)

The wettest day of the year at Santa Catarina Los Reyes, 1978 to 2009. The record is 190.0 mm (7.5 in) in 1998, marked on the chart; the median year is 30.5 mm (1.2 in).

Wettest day (Rx1day) at Santa Catarina Los Reyes by year
Year	Wettest day (Rx1day)
1978	15.5 mm (0.6 in)
1979	30.5 mm (1.2 in)
1980	42.9 mm (1.7 in)
1981	23.1 mm (0.9 in)
1982	26.2 mm (1.0 in)
1983	33.0 mm (1.3 in)
1984	39.4 mm (1.6 in)
1985	2.5 mm (0.10 in)
1986	15.7 mm (0.6 in)
1989	20.8 mm (0.8 in)
1990	16.3 mm (0.6 in)
1991	33.8 mm (1.3 in)
1992	27.4 mm (1.1 in)
1993	52.6 mm (2.1 in)
1994	50.3 mm (2.0 in)
1995	2.0 mm (0.08 in)
1996	20.1 mm (0.8 in)
1997	61.5 mm (2.4 in)
1998	190.0 mm (7.5 in)
1999	45.0 mm (1.8 in)
2000	30.5 mm (1.2 in)
2001	47.0 mm (1.9 in)
2007	41.9 mm (1.6 in)
2008	46.0 mm (1.8 in)
2009	19.8 mm (0.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Santa Catarina Los Reyes, 1978 to 2009. The record is 312.2 mm (12.3 in) in 1998, marked on the chart; the median year is 61.0 mm (2.4 in).

Wettest five days (Rx5day) at Santa Catarina Los Reyes by year
Year	Wettest five days (Rx5day)
1978	22.4 mm (0.9 in)
1979	77.6 mm (3.1 in)
1980	77.9 mm (3.1 in)
1981	67.1 mm (2.6 in)
1982	54.6 mm (2.1 in)
1983	67.1 mm (2.6 in)
1984	97.6 mm (3.8 in)
1985	2.5 mm (0.10 in)
1986	43.1 mm (1.7 in)
1989	32.9 mm (1.3 in)
1990	31.1 mm (1.2 in)
1991	69.2 mm (2.7 in)
1992	80.0 mm (3.1 in)
1993	83.2 mm (3.3 in)
1994	54.1 mm (2.1 in)
1995	2.8 mm (0.11 in)
1996	32.9 mm (1.3 in)
1997	83.3 mm (3.3 in)
1998	312.2 mm (12.3 in)
1999	109.5 mm (4.3 in)
2000	44.9 mm (1.8 in)
2001	61.0 mm (2.4 in)
2007	54.9 mm (2.2 in)
2008	86.2 mm (3.4 in)
2009	48.0 mm (1.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Santa Catarina Los Reyes, 1978 to 2009. The record is 111 days in 1991, marked on the chart; the median year is 64 days.

Longest dry spell (CDD) at Santa Catarina Los Reyes by year
Year	Longest dry spell (CDD)
1978	36 days
1979	41 days
1980	67 days
1981	42 days
1982	58 days
1983	54 days
1984	69 days
1985	26 days
1986	90 days
1989	101 days
1990	52 days
1991	111 days
1992	45 days
1993	64 days
1994	90 days
1995	59 days
1996	58 days
1997	64 days
1998	79 days
1999	72 days
2000	70 days
2001	62 days
2007	32 days
2008	74 days
2009	84 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 Santa Catarina Los Reyes standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Santa Catarina Los Reyes 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).