Chilapa Weather Records (MXN00030042)

Record envelope, standing records and threshold days for Chilapa (MXN00030042), Mexico, with 30 years of record.

Key Facts for Chilapa

Chilapa (MXN00030042) is a weather station in Mexico at 18.98 latitude and -97.15 longitude, 2,123 m (6,965 ft) above sea level.
The station reports from 1956 to 1985, 30 years of record.
1,464 records set at Chilapa still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 18.98 latitude, -97.15 longitude.
Elevation: 2,123 m (6,965 ft).
Period of record: 1956 to 1985, 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 Chilapa. 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 Chilapa, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	31.7 C (89.1 F)	-5.0 C (23.0 F)	n/a	n/a
Feb	31.7 C (89.1 F)	-5.0 C (23.0 F)	n/a	n/a
Mar	36.7 C (98.1 F)	-3.3 C (26.1 F)	n/a	n/a
Apr	37.8 C (100.0 F)	1.7 C (35.1 F)	n/a	n/a
May	35.6 C (96.1 F)	3.9 C (39.0 F)	n/a	n/a
Jun	35.6 C (96.1 F)	7.8 C (46.0 F)	n/a	n/a
Jul	30.6 C (87.1 F)	5.0 C (41.0 F)	n/a	n/a
Aug	31.7 C (89.1 F)	5.0 C (41.0 F)	n/a	n/a
Sep	32.8 C (91.0 F)	3.9 C (39.0 F)	n/a	n/a
Oct	31.7 C (89.1 F)	0.0 C (32.0 F)	n/a	n/a
Nov	32.8 C (91.0 F)	-5.0 C (23.0 F)	n/a	n/a
Dec	31.7 C (89.1 F)	-5.0 C (23.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Chilapa still stand. 1957 holds the most, with 109.

Standing records at Chilapa by the year they were set
Year set	Standing records
1956	106
1957	109
1961	95
1962	96
1963	52
1964	77
1965	54
1966	67
1967	56
1968	33
1969	63
1970	52
1971	50
1972	46
1973	61
1974	44
1975	46
1976	41
1977	42
1978	26
1979	46
1980	44
1981	26
1982	26
1983	72
1984	30
1985	4

Wettest Day of Each Month

Jun: 118.9 mm (4.7 in)

The wettest day on record for each calendar month at Chilapa. The most was 118.9 mm (4.7 in) on 13 June 1967.

Record daily precipitation for each month at Chilapa
Month	Record daily precipitation (mm)	Date
Jan	34.8 mm (1.4 in)	11 January 1974
Feb	35.3 mm (1.4 in)	20 February 1970
Mar	90.2 mm (3.6 in)	30 March 1976
Apr	36.1 mm (1.4 in)	7 April 1975
May	92.2 mm (3.6 in)	6 May 1982
Jun	118.9 mm (4.7 in)	13 June 1967
Jul	96.3 mm (3.8 in)	5 July 1969
Aug	90.2 mm (3.6 in)	3 August 1970
Sep	100.3 mm (3.9 in)	26 September 1970
Oct	74.2 mm (2.9 in)	24 October 1977
Nov	87.9 mm (3.5 in)	3 November 1961
Dec	55.4 mm (2.2 in)	27 December 1983

Period of Record Coverage

1956 to 1985

27 years of record at Chilapa, 1956 to 1985. 3 years have data for under 90 percent of days and are left out of rankings: 1956, 1984, 1985.

Days with data per year at Chilapa
Year	Days with data	Share of year	Complete
1956	222	61%	No
1957	364	100%	Yes
1961	364	100%	Yes
1962	363	99%	Yes
1963	363	99%	Yes
1964	365	100%	Yes
1965	365	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	331	91%	Yes
1970	364	100%	Yes
1971	364	100%	Yes
1972	366	100%	Yes
1973	362	99%	Yes
1974	364	100%	Yes
1975	364	100%	Yes
1976	365	100%	Yes
1977	362	99%	Yes
1978	364	100%	Yes
1979	363	99%	Yes
1980	336	92%	Yes
1981	337	92%	Yes
1982	333	91%	Yes
1983	361	99%	Yes
1984	304	83%	No
1985	59	16%	No

Latest Records

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

Climate Trend

21 complete years, 1957 to 1983

One stripe for each of 21 complete years at Chilapa, 1957 to 1983. Blue stripes are years cooler than the station's own mean of 15.3 C (59.5 F); red stripes are warmer. The coolest year was 1976, at 14.2 C (57.6 F), and the warmest was 1957, at 17.3 C (63.2 F). The strongest colour marks a difference of 2.1 C (3.8 F).

Annual mean temperature at Chilapa as warming stripes, 1957 to 1983
Year	Annual mean temperature	Difference from the station mean
1957	17.3 C	+2.07 C
1961	14.6 C	-0.63 C
1962	15.5 C	+0.18 C
1963	15.0 C	-0.29 C
1964	15.4 C	+0.16 C
1965	14.7 C	-0.55 C
1966	15.6 C	+0.30 C
1967	15.7 C	+0.45 C
1968	15.6 C	+0.35 C
1969	16.1 C	+0.83 C
1970	14.9 C	-0.38 C
1971	15.1 C	-0.22 C
1972	14.9 C	-0.42 C
1973	15.2 C	-0.09 C
1974	14.5 C	-0.81 C
1975	15.2 C	-0.11 C
1976	14.2 C	-1.04 C
1977	14.7 C	-0.53 C
1978	14.7 C	-0.55 C
1979	15.1 C	-0.17 C
1983	16.8 C	+1.52 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

1956 to 1985

Yearly extremes at Chilapa: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	37.8 C (100.0 F)	1964	35.0 C (95.0 F)	27
Coldest night (TNn)	-5.0 C (23.0 F)	1961	0.0 C (32.0 F)	27
Wettest day (Rx1day)	118.9 mm (4.7 in)	1967	65.7 mm (2.6 in)	30
Wettest five days (Rx5day)	315.0 mm (12.4 in)	1974	154.6 mm (6.1 in)	30
Longest dry spell (CDD)	86 days	1984	21 days	30

Hottest day (TXx)

The hottest day of the year at Chilapa, 1956 to 1985. The record is 37.8 C (100.0 F) in 1964, marked on the chart; the median year is 35.0 C (95.0 F).

Hottest day (TXx) at Chilapa by year
Year	Hottest day (TXx)
1956	30.0 C (86.0 F)
1957	33.9 C (93.0 F)
1958	n/a
1959	n/a
1960	n/a
1961	35.0 C (95.0 F)
1962	36.7 C (98.1 F)
1963	35.6 C (96.1 F)
1964	37.8 C (100.0 F)
1965	31.7 C (89.1 F)
1966	31.7 C (89.1 F)
1967	32.8 C (91.0 F)
1968	33.9 C (93.0 F)
1969	35.0 C (95.0 F)
1970	35.0 C (95.0 F)
1971	35.0 C (95.0 F)
1972	32.8 C (91.0 F)
1973	35.0 C (95.0 F)
1974	31.7 C (89.1 F)
1975	35.0 C (95.0 F)
1976	32.8 C (91.0 F)
1977	35.6 C (96.1 F)
1978	35.0 C (95.0 F)
1979	35.0 C (95.0 F)
1980	35.0 C (95.0 F)
1981	31.7 C (89.1 F)
1982	36.7 C (98.1 F)
1983	32.8 C (91.0 F)
1984	35.6 C (96.1 F)
1985	27.2 C (81.0 F)

Coldest night (TNn)

The coldest night of the year at Chilapa, 1956 to 1985. The record is -5.0 C (23.0 F) in 1961, marked on the chart; the median year is 0.0 C (32.0 F).

Coldest night (TNn) at Chilapa by year
Year	Coldest night (TNn)
1956	0.0 C (32.0 F)
1957	0.0 C (32.0 F)
1958	n/a
1959	n/a
1960	n/a
1961	-5.0 C (23.0 F)
1962	-5.0 C (23.0 F)
1963	0.6 C (33.1 F)
1964	0.0 C (32.0 F)
1965	0.0 C (32.0 F)
1966	0.0 C (32.0 F)
1967	0.0 C (32.0 F)
1968	0.0 C (32.0 F)
1969	2.8 C (37.0 F)
1970	0.0 C (32.0 F)
1971	0.6 C (33.1 F)
1972	1.7 C (35.1 F)
1973	0.0 C (32.0 F)
1974	0.6 C (33.1 F)
1975	0.0 C (32.0 F)
1976	0.0 C (32.0 F)
1977	0.0 C (32.0 F)
1978	0.6 C (33.1 F)
1979	0.0 C (32.0 F)
1980	0.6 C (33.1 F)
1981	0.6 C (33.1 F)
1982	0.6 C (33.1 F)
1983	1.7 C (35.1 F)
1984	7.8 C (46.0 F)
1985	8.9 C (48.0 F)

Wettest day (Rx1day)

The wettest day of the year at Chilapa, 1956 to 1985. The record is 118.9 mm (4.7 in) in 1967, marked on the chart; the median year is 65.7 mm (2.6 in).

Wettest day (Rx1day) at Chilapa by year
Year	Wettest day (Rx1day)
1956	36.8 mm (1.4 in)
1957	22.9 mm (0.9 in)
1958	37.8 mm (1.5 in)
1959	47.0 mm (1.9 in)
1960	73.9 mm (2.9 in)
1961	87.9 mm (3.5 in)
1962	49.8 mm (2.0 in)
1963	63.0 mm (2.5 in)
1964	80.8 mm (3.2 in)
1965	50.8 mm (2.0 in)
1966	57.4 mm (2.3 in)
1967	118.9 mm (4.7 in)
1968	60.2 mm (2.4 in)
1969	96.3 mm (3.8 in)
1970	100.3 mm (3.9 in)
1971	66.3 mm (2.6 in)
1972	80.0 mm (3.1 in)
1973	65.0 mm (2.6 in)
1974	99.6 mm (3.9 in)
1975	42.4 mm (1.7 in)
1976	90.2 mm (3.6 in)
1977	74.2 mm (2.9 in)
1978	53.3 mm (2.1 in)
1979	62.0 mm (2.4 in)
1980	86.4 mm (3.4 in)
1981	79.2 mm (3.1 in)
1982	92.2 mm (3.6 in)
1983	68.3 mm (2.7 in)
1984	49.8 mm (2.0 in)
1985	30.0 mm (1.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at Chilapa, 1956 to 1985. The record is 315.0 mm (12.4 in) in 1974, marked on the chart; the median year is 154.6 mm (6.1 in).

Wettest five days (Rx5day) at Chilapa by year
Year	Wettest five days (Rx5day)
1956	125.5 mm (4.9 in)
1957	77.2 mm (3.0 in)
1958	164.2 mm (6.5 in)
1959	110.5 mm (4.4 in)
1960	221.4 mm (8.7 in)
1961	177.2 mm (7.0 in)
1962	135.4 mm (5.3 in)
1963	131.2 mm (5.2 in)
1964	133.1 mm (5.2 in)
1965	152.3 mm (6.0 in)
1966	136.2 mm (5.4 in)
1967	261.4 mm (10.3 in)
1968	101.8 mm (4.0 in)
1969	188.0 mm (7.4 in)
1970	238.8 mm (9.4 in)
1971	136.0 mm (5.4 in)
1972	155.7 mm (6.1 in)
1973	183.4 mm (7.2 in)
1974	315.0 mm (12.4 in)
1975	182.3 mm (7.2 in)
1976	227.9 mm (9.0 in)
1977	135.9 mm (5.4 in)
1978	161.7 mm (6.4 in)
1979	122.0 mm (4.8 in)
1980	185.7 mm (7.3 in)
1981	274.5 mm (10.8 in)
1982	153.5 mm (6.0 in)
1983	192.2 mm (7.6 in)
1984	147.4 mm (5.8 in)
1985	89.4 mm (3.5 in)

Longest dry spell (CDD)

The longest dry spell of the year at Chilapa, 1956 to 1985. The record is 86 days in 1984, marked on the chart; the median year is 21 days.

Longest dry spell (CDD) at Chilapa by year
Year	Longest dry spell (CDD)
1956	30 days
1957	62 days
1958	26 days
1959	48 days
1960	23 days
1961	21 days
1962	36 days
1963	44 days
1964	16 days
1965	19 days
1966	17 days
1967	14 days
1968	12 days
1969	20 days
1970	36 days
1971	27 days
1972	22 days
1973	18 days
1974	13 days
1975	33 days
1976	13 days
1977	17 days
1978	27 days
1979	13 days
1980	14 days
1981	18 days
1982	20 days
1983	52 days
1984	86 days
1985	20 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 Chilapa standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Chilapa 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).