Atarasquillo Weather Records (MXN00015011)

Record envelope, standing records and threshold days for Atarasquillo (MXN00015011), Mexico, with 37 years of record.

Key Facts for Atarasquillo

Atarasquillo (MXN00015011) is a weather station in Mexico at 19.32 latitude and -99.47 longitude, 2,650 m (8,694 ft) above sea level.
The station reports from 1961 to 1997, 37 years of record.
1,464 records set at Atarasquillo still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Atarasquillo set a daily record precipitation of 2.8 mm (0.11 in) on 14 January 1997.

About the Station

Location: Mexico, 19.32 latitude, -99.47 longitude.
Elevation: 2,650 m (8,694 ft).
Period of record: 1961 to 1997, 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 Atarasquillo. 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 Atarasquillo, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	32.8 C (91.0 F)	-8.9 C (16.0 F)	n/a	n/a
Feb	32.8 C (91.0 F)	-7.2 C (19.0 F)	n/a	n/a
Mar	33.3 C (91.9 F)	-6.1 C (21.0 F)	n/a	n/a
Apr	35.0 C (95.0 F)	-3.3 C (26.1 F)	n/a	n/a
May	35.6 C (96.1 F)	0.0 C (32.0 F)	n/a	n/a
Jun	34.4 C (93.9 F)	0.6 C (33.1 F)	n/a	n/a
Jul	30.6 C (87.1 F)	0.6 C (33.1 F)	n/a	n/a
Aug	30.6 C (87.1 F)	0.6 C (33.1 F)	n/a	n/a
Sep	30.6 C (87.1 F)	0.0 C (32.0 F)	n/a	n/a
Oct	31.7 C (89.1 F)	-2.8 C (27.0 F)	n/a	n/a
Nov	31.1 C (88.0 F)	-7.2 C (19.0 F)	n/a	n/a
Dec	31.1 C (88.0 F)	-6.7 C (19.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Atarasquillo still stand. 1972 holds the most, with 123.

Standing records at Atarasquillo by the year they were set
Year set	Standing records
1961	50
1962	47
1963	50
1964	71
1965	63
1966	48
1967	26
1968	17
1969	59
1970	55
1971	106
1972	123
1973	60
1974	45
1975	37
1976	19
1977	26
1978	69
1979	49
1980	44
1981	35
1982	24
1983	74
1984	100
1985	45
1986	22
1987	41
1988	23
1989	30
1997	6

Wettest Day of Each Month

Jun: 78.0 mm (3.1 in)

The wettest day on record for each calendar month at Atarasquillo. The most was 78.0 mm (3.1 in) on 12 June 1987.

Record daily precipitation for each month at Atarasquillo
Month	Record daily precipitation (mm)	Date
Jan	54.9 mm (2.2 in)	10 January 1967
Feb	13.0 mm (0.5 in)	20 February 1965
Mar	23.4 mm (0.9 in)	9 March 1966
Apr	31.8 mm (1.3 in)	14 April 1981
May	68.1 mm (2.7 in)	22 May 1975
Jun	78.0 mm (3.1 in)	12 June 1987
Jul	62.0 mm (2.4 in)	4 July 1967
Aug	47.8 mm (1.9 in)	27 August 1963
Sep	47.0 mm (1.9 in)	17 September 1968
Oct	35.8 mm (1.4 in)	14 October 1972
Nov	19.8 mm (0.8 in)	4 November 1973
Dec	14.5 mm (0.6 in)	3 December 1979

Period of Record Coverage

1961 to 1997

30 years of record at Atarasquillo, 1961 to 1997. 6 years have data for under 90 percent of days and are left out of rankings: 1969, 1970, 1979, 1988, 1989, 1997.

Days with data per year at Atarasquillo
Year	Days with data	Share of year	Complete
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1965	365	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	304	83%	No
1970	323	88%	No
1971	350	96%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	359	98%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	303	83%	No
1980	366	100%	Yes
1981	335	92%	Yes
1982	365	100%	Yes
1983	364	100%	Yes
1984	332	91%	Yes
1985	363	99%	Yes
1986	365	100%	Yes
1987	363	99%	Yes
1988	223	61%	No
1989	326	89%	No
1997	29	8%	No

Latest Records

Latest records at Atarasquillo
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
14 January 1997	Atarasquillo, MX	daily rain	2.8 mm (0.11 in)	2.5 mm (0.10 in)	20 years	11 of 100 (Routine)

Climate Trend

22 complete years, 1961 to 1989

One stripe for each of 22 complete years at Atarasquillo, 1961 to 1989. Blue stripes are years cooler than the station's own mean of 13.4 C (56.2 F); red stripes are warmer. The coolest year was 1985, at 11.9 C (53.4 F), and the warmest was 1972, at 17.2 C (62.9 F). The strongest colour marks a difference of 3.8 C (6.8 F).

Annual mean temperature at Atarasquillo as warming stripes, 1961 to 1989
Year	Annual mean temperature	Difference from the station mean
1961	13.1 C	-0.38 C
1962	13.2 C	-0.22 C
1963	12.9 C	-0.51 C
1964	12.9 C	-0.54 C
1965	12.7 C	-0.72 C
1966	12.3 C	-1.16 C
1967	14.8 C	+1.31 C
1968	16.2 C	+2.72 C
1972	17.2 C	+3.73 C
1973	15.3 C	+1.85 C
1974	13.5 C	+0.06 C
1975	12.3 C	-1.16 C
1976	13.1 C	-0.35 C
1977	13.6 C	+0.19 C
1978	13.8 C	+0.33 C
1980	13.0 C	-0.45 C
1982	13.5 C	+0.01 C
1983	13.3 C	-0.18 C
1985	11.9 C	-1.53 C
1986	12.6 C	-0.83 C
1987	12.3 C	-1.17 C
1989	12.5 C	-0.92 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

1961 to 1997

Yearly extremes at Atarasquillo: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.6 C (96.1 F)	1983	28.1 C (82.5 F)	30
Coldest night (TNn)	-8.9 C (16.0 F)	1986	-3.6 C (25.5 F)	30
Wettest day (Rx1day)	78.0 mm (3.1 in)	1987	35.3 mm (1.4 in)	32
Wettest five days (Rx5day)	122.7 mm (4.8 in)	1987	82.9 mm (3.3 in)	32
Longest dry spell (CDD)	73 days	1969	50 days	32

Hottest day (TXx)

The hottest day of the year at Atarasquillo, 1961 to 1997. The record is 35.6 C (96.1 F) in 1983, marked on the chart; the median year is 28.1 C (82.5 F).

Hottest day (TXx) at Atarasquillo by year
Year	Hottest day (TXx)
1961	28.9 C (84.0 F)
1962	27.8 C (82.0 F)
1963	26.7 C (80.1 F)
1964	27.8 C (82.0 F)
1965	25.6 C (78.1 F)
1966	25.6 C (78.1 F)
1967	33.9 C (93.0 F)
1968	32.8 C (91.0 F)
1969	34.4 C (93.9 F)
1970	33.9 C (93.0 F)
1971	33.9 C (93.0 F)
1972	35.0 C (95.0 F)
1973	33.3 C (91.9 F)
1974	32.8 C (91.0 F)
1975	28.3 C (82.9 F)
1976	25.6 C (78.1 F)
1977	25.6 C (78.1 F)
1978	30.0 C (86.0 F)
1979	25.6 C (78.1 F)
1980	27.8 C (82.0 F)
1981	26.7 C (80.1 F)
1982	30.6 C (87.1 F)
1983	35.6 C (96.1 F)
1984	29.4 C (84.9 F)
1985	26.7 C (80.1 F)
1986	26.7 C (80.1 F)
1987	27.8 C (82.0 F)
1988	25.6 C (78.1 F)
1989	28.3 C (82.9 F)
1990	n/a
1991	n/a
1997	22.8 C (73.0 F)

Coldest night (TNn)

The coldest night of the year at Atarasquillo, 1961 to 1997. The record is -8.9 C (16.0 F) in 1986, marked on the chart; the median year is -3.6 C (25.5 F).

Coldest night (TNn) at Atarasquillo by year
Year	Coldest night (TNn)
1961	-4.4 C (24.1 F)
1962	0.0 C (32.0 F)
1963	-3.3 C (26.1 F)
1964	-1.1 C (30.0 F)
1965	0.0 C (32.0 F)
1966	-5.0 C (23.0 F)
1967	-2.2 C (28.0 F)
1968	0.0 C (32.0 F)
1969	0.0 C (32.0 F)
1970	0.0 C (32.0 F)
1971	0.0 C (32.0 F)
1972	0.0 C (32.0 F)
1973	0.0 C (32.0 F)
1974	-4.4 C (24.1 F)
1975	-4.4 C (24.1 F)
1976	-5.6 C (21.9 F)
1977	0.0 C (32.0 F)
1978	0.0 C (32.0 F)
1979	0.0 C (32.0 F)
1980	-3.3 C (26.1 F)
1981	-7.2 C (19.0 F)
1982	-3.9 C (25.0 F)
1983	-5.6 C (21.9 F)
1984	-5.6 C (21.9 F)
1985	-7.2 C (19.0 F)
1986	-8.9 C (16.0 F)
1987	-7.2 C (19.0 F)
1988	-7.8 C (18.0 F)
1989	-7.2 C (19.0 F)
1990	n/a
1991	n/a
1997	-8.3 C (17.1 F)

Wettest day (Rx1day)

The wettest day of the year at Atarasquillo, 1961 to 1997. The record is 78.0 mm (3.1 in) in 1987, marked on the chart; the median year is 35.3 mm (1.4 in).

Wettest day (Rx1day) at Atarasquillo by year
Year	Wettest day (Rx1day)
1961	42.9 mm (1.7 in)
1962	31.8 mm (1.3 in)
1963	47.8 mm (1.9 in)
1964	33.8 mm (1.3 in)
1965	28.4 mm (1.1 in)
1966	39.4 mm (1.6 in)
1967	62.0 mm (2.4 in)
1968	47.0 mm (1.9 in)
1969	49.8 mm (2.0 in)
1970	27.9 mm (1.1 in)
1971	30.0 mm (1.2 in)
1972	35.8 mm (1.4 in)
1973	36.8 mm (1.4 in)
1974	36.3 mm (1.4 in)
1975	68.1 mm (2.7 in)
1976	32.8 mm (1.3 in)
1977	35.8 mm (1.4 in)
1978	34.8 mm (1.4 in)
1979	27.9 mm (1.1 in)
1980	43.9 mm (1.7 in)
1981	33.3 mm (1.3 in)
1982	25.9 mm (1.0 in)
1983	27.9 mm (1.1 in)
1984	27.9 mm (1.1 in)
1985	39.9 mm (1.6 in)
1986	27.9 mm (1.1 in)
1987	78.0 mm (3.1 in)
1988	51.8 mm (2.0 in)
1989	52.3 mm (2.1 in)
1990	6.4 mm (0.25 in)
1991	22.4 mm (0.9 in)
1997	2.8 mm (0.11 in)

Wettest five days (Rx5day)

The wettest five days of the year at Atarasquillo, 1961 to 1997. The record is 122.7 mm (4.8 in) in 1987, marked on the chart; the median year is 82.9 mm (3.3 in).

Wettest five days (Rx5day) at Atarasquillo by year
Year	Wettest five days (Rx5day)
1961	89.1 mm (3.5 in)
1962	87.4 mm (3.4 in)
1963	80.6 mm (3.2 in)
1964	54.9 mm (2.2 in)
1965	74.2 mm (2.9 in)
1966	97.8 mm (3.9 in)
1967	97.8 mm (3.9 in)
1968	83.3 mm (3.3 in)
1969	87.1 mm (3.4 in)
1970	87.3 mm (3.4 in)
1971	75.5 mm (3.0 in)
1972	79.6 mm (3.1 in)
1973	84.6 mm (3.3 in)
1974	74.4 mm (2.9 in)
1975	109.5 mm (4.3 in)
1976	90.1 mm (3.5 in)
1977	86.9 mm (3.4 in)
1978	86.2 mm (3.4 in)
1979	71.1 mm (2.8 in)
1980	82.6 mm (3.3 in)
1981	62.5 mm (2.5 in)
1982	57.4 mm (2.3 in)
1983	72.4 mm (2.9 in)
1984	70.2 mm (2.8 in)
1985	70.9 mm (2.8 in)
1986	83.8 mm (3.3 in)
1987	122.7 mm (4.8 in)
1988	90.5 mm (3.6 in)
1989	95.1 mm (3.7 in)
1990	6.4 mm (0.25 in)
1991	31.8 mm (1.3 in)
1997	2.8 mm (0.11 in)

Longest dry spell (CDD)

The longest dry spell of the year at Atarasquillo, 1961 to 1997. The record is 73 days in 1969, marked on the chart; the median year is 50 days.

Longest dry spell (CDD) at Atarasquillo by year
Year	Longest dry spell (CDD)
1961	48 days
1962	65 days
1963	63 days
1964	64 days
1965	50 days
1966	59 days
1967	37 days
1968	29 days
1969	73 days
1970	63 days
1971	46 days
1972	32 days
1973	57 days
1974	39 days
1975	54 days
1976	56 days
1977	49 days
1978	44 days
1979	24 days
1980	55 days
1981	26 days
1982	61 days
1983	55 days
1984	65 days
1985	70 days
1986	45 days
1987	63 days
1988	49 days
1989	47 days
1990	26 days
1991	36 days
1997	17 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 Atarasquillo standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Atarasquillo 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).