Santa Maria Chimalapa Weather Records (MXN00020127)

Record envelope, standing records and threshold days for Santa Maria Chimalapa (MXN00020127), Mexico, with 37 years of record.

Key Facts for Santa Maria Chimalapa

Santa Maria Chimalapa (MXN00020127) is a weather station in Mexico at 16.88 latitude and -94.67 longitude, 308 m (1,010 ft) above sea level.
The station reports from 1964 to 2000, 37 years of record.
1,464 records set at Santa Maria Chimalapa still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Santa Maria Chimalapa set a daily record precipitation of 21.3 mm (0.8 in) on 15 November 1997.

About the Station

Location: Mexico, 16.88 latitude, -94.67 longitude.
Elevation: 308 m (1,010 ft).
Period of record: 1964 to 2000, 37 years.
Eligible elements: 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 Santa Maria Chimalapa. 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 Maria Chimalapa, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	37.8 C (100.0 F)	7.8 C (46.0 F)	n/a	n/a
Feb	37.8 C (100.0 F)	10.0 C (50.0 F)	n/a	n/a
Mar	38.9 C (102.0 F)	10.0 C (50.0 F)	n/a	n/a
Apr	41.7 C (107.1 F)	12.8 C (55.0 F)	n/a	n/a
May	41.7 C (107.1 F)	11.7 C (53.1 F)	n/a	n/a
Jun	41.7 C (107.1 F)	11.7 C (53.1 F)	n/a	n/a
Jul	41.7 C (107.1 F)	15.0 C (59.0 F)	n/a	n/a
Aug	41.7 C (107.1 F)	15.6 C (60.1 F)	n/a	n/a
Sep	41.7 C (107.1 F)	12.8 C (55.0 F)	n/a	n/a
Oct	41.7 C (107.1 F)	11.7 C (53.1 F)	n/a	n/a
Nov	41.7 C (107.1 F)	11.7 C (53.1 F)	n/a	n/a
Dec	41.7 C (107.1 F)	8.9 C (48.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Santa Maria Chimalapa still stand. 1997 holds the most, with 347.

Standing records at Santa Maria Chimalapa by the year they were set
Year set	Standing records
1978	76
1979	94
1980	77
1981	45
1982	32
1983	26
1984	47
1985	102
1986	66
1987	63
1988	38
1989	51
1990	66
1991	44
1992	22
1993	66
1994	74
1995	38
1996	90
1997	347

Wettest Day of Each Month

Sep: 295.9 mm (11.6 in)

The wettest day on record for each calendar month at Santa Maria Chimalapa. The most was 295.9 mm (11.6 in) on 16 September 1989.

Record daily precipitation for each month at Santa Maria Chimalapa
Month	Record daily precipitation (mm)	Date
Jan	163.3 mm (6.4 in)	14 January 1972
Feb	56.4 mm (2.2 in)	25 February 1983
Mar	33.8 mm (1.3 in)	23 March 1966
Apr	291.8 mm (11.5 in)	23 April 1996
May	278.9 mm (11.0 in)	30 May 1986
Jun	224.8 mm (8.9 in)	15 June 1980
Jul	113.8 mm (4.5 in)	27 July 1989
Aug	206.0 mm (8.1 in)	25 August 1973
Sep	295.9 mm (11.6 in)	16 September 1989
Oct	169.7 mm (6.7 in)	18 October 1992
Nov	206.2 mm (8.1 in)	29 November 1994
Dec	106.2 mm (4.2 in)	4 December 1980

Period of Record Coverage

1978 to 2000

21 years of record at Santa Maria Chimalapa, 1978 to 2000. 4 years have data for under 90 percent of days and are left out of rankings: 1978, 1992, 1996, 2000.

Days with data per year at Santa Maria Chimalapa
Year	Days with data	Share of year	Complete
1978	322	88%	No
1979	365	100%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	366	100%	Yes
1985	333	91%	Yes
1986	364	100%	Yes
1987	365	100%	Yes
1988	364	99%	Yes
1989	362	99%	Yes
1990	363	99%	Yes
1991	334	92%	Yes
1992	303	83%	No
1993	361	99%	Yes
1994	361	99%	Yes
1995	363	99%	Yes
1996	329	90%	No
1997	362	99%	Yes
2000	29	8%	No

Latest Records

Latest records at Santa Maria Chimalapa
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 November 1997	Santa Maria Chimalapa, MX	daily rain	21.3 mm (0.8 in)	2.0 mm (0.08 in)	7 years	6 of 100 (Routine)
5 October 1997	Santa Maria Chimalapa, MX	daily rain	166.4 mm (6.6 in)	102.1 mm (4.0 in)	12 years	46 of 100 (Notable)
30 June 1997	Santa Maria Chimalapa, MX	daily rain	81.3 mm (3.2 in)	39.4 mm (1.6 in)	23 years	24 of 100 (Routine)
4 May 1997	Santa Maria Chimalapa, MX	daily rain	52.3 mm (2.1 in)	33.2 mm (1.3 in)	24 years	21 of 100 (Routine)
3 May 1997	Santa Maria Chimalapa, MX	daily rain	89.4 mm (3.5 in)	53.1 mm (2.1 in)	24 years	29 of 100 (Routine)
16 April 1997	Santa Maria Chimalapa, MX	daily rain	2.5 mm (0.10 in)	2.5 mm (0.10 in)	32 years	12 of 100 (Routine)
15 March 1997	Santa Maria Chimalapa, MX	daily rain	6.4 mm (0.25 in)	2.1 mm (0.08 in)	16 years	10 of 100 (Routine)
14 March 1997	Santa Maria Chimalapa, MX	daily rain	9.4 mm (0.37 in)	7.1 mm (0.28 in)	3 years	12 of 100 (Routine)
13 March 1997	Santa Maria Chimalapa, MX	daily rain	19.6 mm (0.8 in)	5.1 mm (0.20 in)	14 years	14 of 100 (Routine)
6 March 1997	Santa Maria Chimalapa, MX	daily rain	24.4 mm (1.0 in)	14.2 mm (0.6 in)	20 years	20 of 100 (Routine)
25 November 1996	Santa Maria Chimalapa, MX	daily rain	26.2 mm (1.0 in)	4.6 mm (0.18 in)	18 years	10 of 100 (Routine)
8 November 1996	Santa Maria Chimalapa, MX	daily rain	45.5 mm (1.8 in)	22.6 mm (0.9 in)	18 years	20 of 100 (Routine)
22 October 1996	Santa Maria Chimalapa, MX	daily rain	124.2 mm (4.9 in)	105.9 mm (4.2 in)	3 years	43 of 100 (Notable)
29 September 1996	Santa Maria Chimalapa, MX	daily rain	143.3 mm (5.6 in)	97.3 mm (3.8 in)	18 years	43 of 100 (Notable)
20 July 1996	Santa Maria Chimalapa, MX	daily rain	35.6 mm (1.4 in)	0.3 mm (0.01 in)	23 years	9 of 100 (Routine)
18 July 1996	Santa Maria Chimalapa, MX	daily rain	48.8 mm (1.9 in)	5.6 mm (0.22 in)	23 years	12 of 100 (Routine)
17 July 1996	Santa Maria Chimalapa, MX	daily rain	54.1 mm (2.1 in)	20.3 mm (0.8 in)	30 years	23 of 100 (Routine)
27 June 1996	Santa Maria Chimalapa, MX	daily rain	134.1 mm (5.3 in)	21.8 mm (0.9 in)	30 years	20 of 100 (Routine)
11 May 1996	Santa Maria Chimalapa, MX	daily rain	52.6 mm (2.1 in)	36.6 mm (1.4 in)	15 years	20 of 100 (Routine)
29 April 1996	Santa Maria Chimalapa, MX	daily rain	23.9 mm (0.9 in)	6.1 mm (0.24 in)	31 years	16 of 100 (Routine)

Climate Trend

14 complete years, 1979 to 1997

One stripe for each of 14 complete years at Santa Maria Chimalapa, 1979 to 1997. Blue stripes are years cooler than the station's own mean of 24.7 C (76.5 F); red stripes are warmer. The coolest year was 1986, at 23.4 C (74.2 F), and the warmest was 1997, at 27.5 C (81.5 F). The strongest colour marks a difference of 2.9 C (5.2 F).

Annual mean temperature at Santa Maria Chimalapa as warming stripes, 1979 to 1997
Year	Annual mean temperature	Difference from the station mean
1979	24.7 C	-0.06 C
1980	24.5 C	-0.25 C
1982	24.7 C	+0.03 C
1983	25.2 C	+0.44 C
1984	24.1 C	-0.58 C
1986	23.4 C	-1.27 C
1987	24.2 C	-0.56 C
1988	23.9 C	-0.82 C
1989	23.6 C	-1.15 C
1990	23.7 C	-0.99 C
1993	25.7 C	+0.96 C
1994	25.3 C	+0.58 C
1995	25.5 C	+0.82 C
1997	27.5 C	+2.81 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

1964 to 2000

Yearly extremes at Santa Maria Chimalapa: 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)	1997	37.8 C (100.0 F)	21
Coldest night (TNn)	7.8 C (46.0 F)	1979	10.6 C (51.1 F)	21
Wettest day (Rx1day)	295.9 mm (11.6 in)	1989	125.2 mm (4.9 in)	35
Wettest five days (Rx5day)	431.5 mm (17.0 in)	1989	275.6 mm (10.9 in)	35
Longest dry spell (CDD)	70 days	1970	28 days	35

Hottest day (TXx)

The hottest day of the year at Santa Maria Chimalapa, 1964 to 2000. The record is 41.7 C (107.1 F) in 1997, marked on the chart; the median year is 37.8 C (100.0 F).

Hottest day (TXx) at Santa Maria Chimalapa by year
Year	Hottest day (TXx)
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	37.8 C (100.0 F)
1979	37.8 C (100.0 F)
1980	40.0 C (104.0 F)
1981	40.0 C (104.0 F)
1982	38.3 C (100.9 F)
1983	37.8 C (100.0 F)
1984	37.8 C (100.0 F)
1985	31.7 C (89.1 F)
1986	36.7 C (98.1 F)
1987	38.9 C (102.0 F)
1988	36.7 C (98.1 F)
1989	35.0 C (95.0 F)
1990	35.0 C (95.0 F)
1991	35.0 C (95.0 F)
1992	38.9 C (102.0 F)
1993	40.6 C (105.1 F)
1994	40.0 C (104.0 F)
1995	36.7 C (98.1 F)
1996	38.9 C (102.0 F)
1997	41.7 C (107.1 F)
2000	35.0 C (95.0 F)

Coldest night (TNn)

The coldest night of the year at Santa Maria Chimalapa, 1964 to 2000. The record is 7.8 C (46.0 F) in 1979, marked on the chart; the median year is 10.6 C (51.1 F).

Coldest night (TNn) at Santa Maria Chimalapa by year
Year	Coldest night (TNn)
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	10.0 C (50.0 F)
1979	7.8 C (46.0 F)
1980	10.6 C (51.1 F)
1981	10.6 C (51.1 F)
1982	11.7 C (53.1 F)
1983	10.0 C (50.0 F)
1984	8.9 C (48.0 F)
1985	8.9 C (48.0 F)
1986	10.0 C (50.0 F)
1987	11.7 C (53.1 F)
1988	10.0 C (50.0 F)
1989	8.9 C (48.0 F)
1990	10.6 C (51.1 F)
1991	11.7 C (53.1 F)
1992	12.8 C (55.0 F)
1993	12.8 C (55.0 F)
1994	13.9 C (57.0 F)
1995	13.9 C (57.0 F)
1996	11.7 C (53.1 F)
1997	10.0 C (50.0 F)
2000	12.8 C (55.0 F)

Wettest day (Rx1day)

The wettest day of the year at Santa Maria Chimalapa, 1964 to 2000. The record is 295.9 mm (11.6 in) in 1989, marked on the chart; the median year is 125.2 mm (4.9 in).

Wettest day (Rx1day) at Santa Maria Chimalapa by year
Year	Wettest day (Rx1day)
1964	100.6 mm (4.0 in)
1965	80.3 mm (3.2 in)
1966	131.8 mm (5.2 in)
1967	100.6 mm (4.0 in)
1968	119.1 mm (4.7 in)
1969	95.8 mm (3.8 in)
1970	87.1 mm (3.4 in)
1971	198.4 mm (7.8 in)
1972	163.3 mm (6.4 in)
1973	206.0 mm (8.1 in)
1974	140.2 mm (5.5 in)
1975	186.7 mm (7.4 in)
1976	120.9 mm (4.8 in)
1977	73.4 mm (2.9 in)
1978	136.1 mm (5.4 in)
1979	107.4 mm (4.2 in)
1980	224.8 mm (8.9 in)
1981	121.2 mm (4.8 in)
1982	159.8 mm (6.3 in)
1983	125.2 mm (4.9 in)
1984	122.2 mm (4.8 in)
1985	111.0 mm (4.4 in)
1986	278.9 mm (11.0 in)
1987	71.4 mm (2.8 in)
1988	99.3 mm (3.9 in)
1989	295.9 mm (11.6 in)
1990	108.0 mm (4.3 in)
1991	121.9 mm (4.8 in)
1992	169.7 mm (6.7 in)
1993	145.3 mm (5.7 in)
1994	206.2 mm (8.1 in)
1995	150.1 mm (5.9 in)
1996	291.8 mm (11.5 in)
1997	166.4 mm (6.6 in)
2000	0.0 mm (0.00 in)

Wettest five days (Rx5day)

The wettest five days of the year at Santa Maria Chimalapa, 1964 to 2000. The record is 431.5 mm (17.0 in) in 1989, marked on the chart; the median year is 275.6 mm (10.9 in).

Wettest five days (Rx5day) at Santa Maria Chimalapa by year
Year	Wettest five days (Rx5day)
1964	194.4 mm (7.7 in)
1965	218.7 mm (8.6 in)
1966	379.5 mm (14.9 in)
1967	240.9 mm (9.5 in)
1968	419.9 mm (16.5 in)
1969	221.9 mm (8.7 in)
1970	231.9 mm (9.1 in)
1971	391.2 mm (15.4 in)
1972	212.6 mm (8.4 in)
1973	350.0 mm (13.8 in)
1974	333.7 mm (13.1 in)
1975	240.4 mm (9.5 in)
1976	282.5 mm (11.1 in)
1977	161.1 mm (6.3 in)
1978	275.6 mm (10.9 in)
1979	378.0 mm (14.9 in)
1980	273.9 mm (10.8 in)
1981	330.3 mm (13.0 in)
1982	357.5 mm (14.1 in)
1983	326.2 mm (12.8 in)
1984	192.2 mm (7.6 in)
1985	220.5 mm (8.7 in)
1986	384.9 mm (15.2 in)
1987	168.0 mm (6.6 in)
1988	149.6 mm (5.9 in)
1989	431.5 mm (17.0 in)
1990	165.2 mm (6.5 in)
1991	283.5 mm (11.2 in)
1992	290.2 mm (11.4 in)
1993	407.2 mm (16.0 in)
1994	218.4 mm (8.6 in)
1995	282.0 mm (11.1 in)
1996	295.6 mm (11.6 in)
1997	256.8 mm (10.1 in)
2000	0.0 mm (0.00 in)

Longest dry spell (CDD)

The longest dry spell of the year at Santa Maria Chimalapa, 1964 to 2000. The record is 70 days in 1970, marked on the chart; the median year is 28 days.

Longest dry spell (CDD) at Santa Maria Chimalapa by year
Year	Longest dry spell (CDD)
1964	7 days
1965	37 days
1966	15 days
1967	34 days
1968	16 days
1969	26 days
1970	70 days
1971	44 days
1972	28 days
1973	39 days
1974	28 days
1975	66 days
1976	21 days
1977	31 days
1978	28 days
1979	14 days
1980	25 days
1981	46 days
1982	20 days
1983	35 days
1984	24 days
1985	28 days
1986	23 days
1987	28 days
1988	44 days
1989	15 days
1990	33 days
1991	21 days
1992	25 days
1993	16 days
1994	15 days
1995	34 days
1996	26 days
1997	26 days
2000	29 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.

Rainfall Return Levels

32 years, 1965 to 1997

A day with at least 133.5 mm (5.3 in) of rain is expected about once in 2 years. A day with at least 383.0 mm (15.1 in) of rain is expected about once in 100 years.

Rainfall return levels at Santa Maria Chimalapa: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	133.5 mm (5.3 in)
5 years	186.6 mm (7.3 in)
10 years	226.6 mm (8.9 in)
25 years	283.6 mm (11.2 in)
50 years	331.0 mm (13.0 in)	Longer than the 32 years of record
100 years	383.0 mm (15.1 in)	Longer than the 32 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 32 years of values from 1965 to 1997.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 295.9 mm (11.6 in) in 1989; 291.8 mm (11.5 in) in 1996; 278.9 mm (11.0 in) in 1986.

Download the Data

Data for Santa Maria Chimalapa standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Santa Maria Chimalapa 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).