San Andres Calpan Weather Records (MXN00021167)

Record envelope, standing records and threshold days for San Andres Calpan (MXN00021167), Mexico, with 30 years of record.

Key Facts for San Andres Calpan

San Andres Calpan (MXN00021167) is a weather station in Mexico at 19.10 latitude and -98.45 longitude, 2,317 m (7,601 ft) above sea level.
The station reports from 1980 to 2009, 30 years of record.
1,464 records set at San Andres Calpan still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 19.10 latitude, -98.45 longitude.
Elevation: 2,317 m (7,601 ft).
Period of record: 1980 to 2009, 30 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 San Andres Calpan. 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 San Andres Calpan, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	26.7 C (80.1 F)	-2.2 C (28.0 F)	n/a	n/a
Feb	28.9 C (84.0 F)	-3.3 C (26.1 F)	n/a	n/a
Mar	32.8 C (91.0 F)	-3.3 C (26.1 F)	n/a	n/a
Apr	32.8 C (91.0 F)	0.0 C (32.0 F)	n/a	n/a
May	33.9 C (93.0 F)	2.8 C (37.0 F)	n/a	n/a
Jun	30.6 C (87.1 F)	5.0 C (41.0 F)	n/a	n/a
Jul	28.9 C (84.0 F)	0.6 C (33.1 F)	n/a	n/a
Aug	28.9 C (84.0 F)	0.6 C (33.1 F)	n/a	n/a
Sep	28.9 C (84.0 F)	3.9 C (39.0 F)	n/a	n/a
Oct	28.9 C (84.0 F)	0.0 C (32.0 F)	n/a	n/a
Nov	31.7 C (89.1 F)	-3.3 C (26.1 F)	n/a	n/a
Dec	26.7 C (80.1 F)	-3.3 C (26.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at San Andres Calpan still stand. 1980 holds the most, with 131.

Standing records at San Andres Calpan by the year they were set
Year set	Standing records
1980	131
1981	88
1982	85
1983	81
1984	63
1985	40
1986	21
1987	26
1988	61
1989	53
1990	64
1991	68
1992	75
1993	27
1994	35
1995	44
1996	27
1997	30
1998	91
1999	35
2000	58
2001	47
2007	86
2008	46
2009	82

Wettest Day of Each Month

Jul: 131.8 mm (5.2 in)

The wettest day on record for each calendar month at San Andres Calpan. The most was 131.8 mm (5.2 in) on 12 July 1984.

Record daily precipitation for each month at San Andres Calpan
Month	Record daily precipitation (mm)	Date
Jan	31.5 mm (1.2 in)	26 January 1992
Feb	24.6 mm (1.0 in)	2 February 1992
Mar	59.9 mm (2.4 in)	16 March 1981
Apr	40.9 mm (1.6 in)	9 April 1997
May	29.5 mm (1.2 in)	26 May 1991
Jun	77.0 mm (3.0 in)	30 June 1998
Jul	131.8 mm (5.2 in)	12 July 1984
Aug	47.8 mm (1.9 in)	6 August 1995
Sep	72.4 mm (2.9 in)	21 September 1993
Oct	79.2 mm (3.1 in)	8 October 2007
Nov	19.8 mm (0.8 in)	1 November 1992
Dec	37.3 mm (1.5 in)	30 December 1995

Period of Record Coverage

1980 to 2009

25 years of record at San Andres Calpan, 1980 to 2009. 3 years have data for under 90 percent of days and are left out of rankings: 1986, 1987, 1999.

Days with data per year at San Andres Calpan
Year	Days with data	Share of year	Complete
1980	363	99%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	366	100%	Yes
1985	365	100%	Yes
1986	120	33%	No
1987	151	41%	No
1988	334	91%	Yes
1989	333	91%	Yes
1990	365	100%	Yes
1991	365	100%	Yes
1992	360	98%	Yes
1993	365	100%	Yes
1994	365	100%	Yes
1995	365	100%	Yes
1996	335	92%	Yes
1997	365	100%	Yes
1998	365	100%	Yes
1999	328	90%	No
2000	335	92%	Yes
2001	365	100%	Yes
2007	358	98%	Yes
2008	362	99%	Yes
2009	362	99%	Yes

Latest Records

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

Climate Trend

18 complete years, 1980 to 2009

One stripe for each of 18 complete years at San Andres Calpan, 1980 to 2009. Blue stripes are years cooler than the station's own mean of 14.4 C (57.9 F); red stripes are warmer. The coolest year was 1992, at 13.7 C (56.6 F), and the warmest was 2009, at 16.0 C (60.7 F). The strongest colour marks a difference of 1.6 C (2.9 F).

Annual mean temperature at San Andres Calpan as warming stripes, 1980 to 2009
Year	Annual mean temperature	Difference from the station mean
1980	13.9 C	-0.51 C
1981	13.8 C	-0.61 C
1982	14.2 C	-0.24 C
1983	14.2 C	-0.25 C
1984	13.7 C	-0.69 C
1985	14.0 C	-0.44 C
1990	14.1 C	-0.34 C
1991	14.2 C	-0.21 C
1992	13.7 C	-0.75 C
1993	14.3 C	-0.08 C
1994	14.7 C	+0.32 C
1995	14.8 C	+0.43 C
1997	14.2 C	-0.24 C
1998	14.8 C	+0.34 C
2001	13.7 C	-0.72 C
2007	15.8 C	+1.34 C
2008	15.5 C	+1.08 C
2009	16.0 C	+1.56 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 2009

Yearly extremes at San Andres Calpan: 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	30.0 C (86.0 F)	25
Coldest night (TNn)	-3.3 C (26.1 F)	1983	0.0 C (32.0 F)	25
Wettest day (Rx1day)	131.8 mm (5.2 in)	1984	43.4 mm (1.7 in)	25
Wettest five days (Rx5day)	172.3 mm (6.8 in)	1983	90.7 mm (3.6 in)	25
Longest dry spell (CDD)	156 days	1995	66 days	25

Hottest day (TXx)

The hottest day of the year at San Andres Calpan, 1980 to 2009. The record is 33.9 C (93.0 F) in 1998, marked on the chart; the median year is 30.0 C (86.0 F).

Hottest day (TXx) at San Andres Calpan by year
Year	Hottest day (TXx)
1980	31.7 C (89.1 F)
1981	27.8 C (82.0 F)
1982	30.0 C (86.0 F)
1983	31.7 C (89.1 F)
1984	30.0 C (86.0 F)
1985	28.9 C (84.0 F)
1986	27.8 C (82.0 F)
1987	28.9 C (84.0 F)
1988	30.6 C (87.1 F)
1989	31.7 C (89.1 F)
1990	28.9 C (84.0 F)
1991	30.0 C (86.0 F)
1992	26.7 C (80.1 F)
1993	30.6 C (87.1 F)
1994	30.0 C (86.0 F)
1995	30.0 C (86.0 F)
1996	28.9 C (84.0 F)
1997	27.8 C (82.0 F)
1998	33.9 C (93.0 F)
1999	30.0 C (86.0 F)
2000	32.8 C (91.0 F)
2001	30.6 C (87.1 F)
2007	28.9 C (84.0 F)
2008	30.0 C (86.0 F)
2009	30.6 C (87.1 F)

Coldest night (TNn)

The coldest night of the year at San Andres Calpan, 1980 to 2009. The record is -3.3 C (26.1 F) in 1983, marked on the chart; the median year is 0.0 C (32.0 F).

Coldest night (TNn) at San Andres Calpan by year
Year	Coldest night (TNn)
1980	-2.2 C (28.0 F)
1981	-2.2 C (28.0 F)
1982	-2.2 C (28.0 F)
1983	-3.3 C (26.1 F)
1984	-3.3 C (26.1 F)
1985	-2.2 C (28.0 F)
1986	-3.3 C (26.1 F)
1987	-2.2 C (28.0 F)
1988	-2.2 C (28.0 F)
1989	-3.3 C (26.1 F)
1990	0.0 C (32.0 F)
1991	0.0 C (32.0 F)
1992	0.0 C (32.0 F)
1993	0.0 C (32.0 F)
1994	0.0 C (32.0 F)
1995	0.6 C (33.1 F)
1996	0.0 C (32.0 F)
1997	-2.2 C (28.0 F)
1998	0.0 C (32.0 F)
1999	0.0 C (32.0 F)
2000	0.0 C (32.0 F)
2001	0.0 C (32.0 F)
2007	0.0 C (32.0 F)
2008	0.0 C (32.0 F)
2009	0.0 C (32.0 F)

Wettest day (Rx1day)

The wettest day of the year at San Andres Calpan, 1980 to 2009. The record is 131.8 mm (5.2 in) in 1984, marked on the chart; the median year is 43.4 mm (1.7 in).

Wettest day (Rx1day) at San Andres Calpan by year
Year	Wettest day (Rx1day)
1980	30.2 mm (1.2 in)
1981	59.9 mm (2.4 in)
1982	27.9 mm (1.1 in)
1983	57.7 mm (2.3 in)
1984	131.8 mm (5.2 in)
1985	45.0 mm (1.8 in)
1986	8.9 mm (0.35 in)
1987	9.1 mm (0.36 in)
1988	49.8 mm (2.0 in)
1989	59.9 mm (2.4 in)
1990	40.1 mm (1.6 in)
1991	34.3 mm (1.4 in)
1992	33.3 mm (1.3 in)
1993	72.4 mm (2.9 in)
1994	34.3 mm (1.4 in)
1995	47.8 mm (1.9 in)
1996	33.8 mm (1.3 in)
1997	43.4 mm (1.7 in)
1998	77.0 mm (3.0 in)
1999	41.9 mm (1.6 in)
2000	19.8 mm (0.8 in)
2001	45.5 mm (1.8 in)
2007	79.2 mm (3.1 in)
2008	65.3 mm (2.6 in)
2009	32.8 mm (1.3 in)

Wettest five days (Rx5day)

The wettest five days of the year at San Andres Calpan, 1980 to 2009. The record is 172.3 mm (6.8 in) in 1983, marked on the chart; the median year is 90.7 mm (3.6 in).

Wettest five days (Rx5day) at San Andres Calpan by year
Year	Wettest five days (Rx5day)
1980	63.2 mm (2.5 in)
1981	112.8 mm (4.4 in)
1982	29.7 mm (1.2 in)
1983	172.3 mm (6.8 in)
1984	164.9 mm (6.5 in)
1985	69.9 mm (2.8 in)
1986	21.6 mm (0.9 in)
1987	14.2 mm (0.6 in)
1988	91.2 mm (3.6 in)
1989	90.7 mm (3.6 in)
1990	95.5 mm (3.8 in)
1991	98.2 mm (3.9 in)
1992	99.9 mm (3.9 in)
1993	117.4 mm (4.6 in)
1994	65.5 mm (2.6 in)
1995	133.4 mm (5.3 in)
1996	65.6 mm (2.6 in)
1997	86.3 mm (3.4 in)
1998	132.0 mm (5.2 in)
1999	83.7 mm (3.3 in)
2000	57.2 mm (2.3 in)
2001	77.7 mm (3.1 in)
2007	84.3 mm (3.3 in)
2008	112.6 mm (4.4 in)
2009	97.5 mm (3.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at San Andres Calpan, 1980 to 2009. The record is 156 days in 1995, marked on the chart; the median year is 66 days.

Longest dry spell (CDD) at San Andres Calpan by year
Year	Longest dry spell (CDD)
1980	73 days
1981	34 days
1982	68 days
1983	72 days
1984	84 days
1985	43 days
1986	54 days
1987	86 days
1988	61 days
1989	52 days
1990	41 days
1991	66 days
1992	32 days
1993	129 days
1994	107 days
1995	156 days
1996	111 days
1997	75 days
1998	82 days
1999	82 days
2000	50 days
2001	60 days
2007	54 days
2008	60 days
2009	57 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 San Andres Calpan standing records by year: CSV or JSON. Field meanings are on the data page.
Data for San Andres Calpan 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).