Cosala Weather Records (MXN00025012)

Record envelope, standing records and threshold days for Cosala (MXN00025012), Mexico, with 81 years of record.

Key Facts for Cosala

Cosala (MXN00025012) is a weather station in Mexico at 24.42 latitude and -106.70 longitude, 410 m (1,345 ft) above sea level.
The station reports from 1908 to 1988, 81 years of record.
1,464 records set at Cosala still stand.
Records are tracked for tmin, prcp: an element needs 30 years of data to be eligible.
Cosala set a daily record precipitation of 52.3 mm (2.1 in) on 27 September 1988.

About the Station

Location: Mexico, 24.42 latitude, -106.70 longitude.
Elevation: 410 m (1,345 ft).
Period of record: 1908 to 1988, 81 years.
Eligible elements: tmin, 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 Cosala. 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 Cosala, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	43.9 C (111.0 F)	2.8 C (37.0 F)	n/a	n/a
Feb	41.7 C (107.1 F)	0.6 C (33.1 F)	n/a	n/a
Mar	43.9 C (111.0 F)	2.8 C (37.0 F)	n/a	n/a
Apr	42.8 C (109.0 F)	3.9 C (39.0 F)	n/a	n/a
May	42.8 C (109.0 F)	8.9 C (48.0 F)	n/a	n/a
Jun	42.8 C (109.0 F)	15.0 C (59.0 F)	n/a	n/a
Jul	40.6 C (105.1 F)	15.0 C (59.0 F)	n/a	n/a
Aug	40.0 C (104.0 F)	18.9 C (66.0 F)	n/a	n/a
Sep	40.0 C (104.0 F)	13.3 C (55.9 F)	n/a	n/a
Oct	45.0 C (113.0 F)	8.9 C (48.0 F)	n/a	n/a
Nov	42.8 C (109.0 F)	3.9 C (39.0 F)	n/a	n/a
Dec	42.8 C (109.0 F)	2.8 C (37.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Cosala still stand. 1987 holds the most, with 100.

Standing records at Cosala by the year they were set
Year set	Standing records
1909	25
1910	18
1911	26
1912	37
1913	22
1961	39
1962	61
1963	57
1964	64
1965	63
1966	34
1967	45
1968	50
1969	62
1970	11
1971	55
1972	56
1973	56
1974	36
1975	35
1976	51
1977	27
1978	55
1979	52
1980	21
1981	45
1982	44
1983	46
1984	27
1985	37
1986	53
1987	100
1988	54

Wettest Day of Each Month

Sep: 174.0 mm (6.9 in)

The wettest day on record for each calendar month at Cosala. The most was 174.0 mm (6.9 in) on 23 September 1974.

Record daily precipitation for each month at Cosala
Month	Record daily precipitation (mm)	Date
Jan	73.4 mm (2.9 in)	29 January 1984
Feb	56.6 mm (2.2 in)	16 February 1911
Mar	74.9 mm (2.9 in)	18 March 1964
Apr	91.4 mm (3.6 in)	21 April 1981
May	57.4 mm (2.3 in)	31 May 1984
Jun	160.3 mm (6.3 in)	23 June 1964
Jul	107.4 mm (4.2 in)	24 July 1913
Aug	114.8 mm (4.5 in)	31 August 1962
Sep	174.0 mm (6.9 in)	23 September 1974
Oct	140.0 mm (5.5 in)	8 October 1985
Nov	118.9 mm (4.7 in)	25 November 1982
Dec	104.9 mm (4.1 in)	10 December 1961

Period of Record Coverage

1961 to 1988

28 years of record at Cosala, 1961 to 1988. 5 years have data for under 90 percent of days and are left out of rankings: 1966, 1968, 1970, 1980, 1988.

Days with data per year at Cosala
Year	Days with data	Share of year	Complete
1961	365	100%	Yes
1962	336	92%	Yes
1963	357	98%	Yes
1964	355	97%	Yes
1965	363	99%	Yes
1966	304	83%	No
1967	365	100%	Yes
1968	302	83%	No
1969	365	100%	Yes
1970	302	83%	No
1971	360	99%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	364	100%	Yes
1976	364	99%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	359	98%	Yes
1980	213	58%	No
1981	333	91%	Yes
1982	365	100%	Yes
1983	364	100%	Yes
1984	366	100%	Yes
1985	365	100%	Yes
1986	365	100%	Yes
1987	365	100%	Yes
1988	274	75%	No

Latest Records

Latest records at Cosala
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 September 1988	Cosala, MX	daily rain	52.3 mm (2.1 in)	14.5 mm (0.6 in)	6 years	15 of 100 (Routine)
25 September 1988	Cosala, MX	daily high min (Tie)	23.9 C (75.0 F)	tie	15 years	3 of 100 (Routine)
19 September 1988	Cosala, MX	daily rain	60.5 mm (2.4 in)	48.1 mm (1.9 in)	77 years	54 of 100 (Notable)
17 September 1988	Cosala, MX	daily high min (Tie)	25.0 C (77.0 F)	tie	19 years	3 of 100 (Routine)
5 September 1988	Cosala, MX	daily rain	27.9 mm (1.1 in)	5.0 mm (0.20 in)	6 years	11 of 100 (Routine)
4 September 1988	Cosala, MX	daily high min (Tie)	25.0 C (77.0 F)	tie	9 years	2 of 100 (Routine)
29 August 1988	Cosala, MX	daily high min (Tie)	25.0 C (77.0 F)	tie	26 years	3 of 100 (Routine)
26 August 1988	Cosala, MX	daily rain	31.0 mm (1.2 in)	3.1 mm (0.12 in)	21 years	15 of 100 (Routine)
17 August 1988	Cosala, MX	daily rain	79.8 mm (3.1 in)	23.9 mm (0.9 in)	16 years	25 of 100 (Routine)
9 August 1988	Cosala, MX	daily high min	25.0 C (77.0 F)	1.1 C (2.0 F)	19 years	20 of 100 (Routine)
2 August 1988	Cosala, MX	daily low min (Tie)	20.6 C (69.1 F)	tie	24 years	3 of 100 (Routine)
22 July 1988	Cosala, MX	daily rain	78.0 mm (3.1 in)	50.6 mm (2.0 in)	1 year	35 of 100 (Notable)
3 July 1988	Cosala, MX	daily low min (Tie)	20.6 C (69.1 F)	tie	75 years	7 of 100 (Routine)
19 June 1988	Cosala, MX	daily low min (Tie)	20.0 C (68.0 F)	tie	79 years	7 of 100 (Routine)
5 June 1988	Cosala, MX	monthly low min (Tie)	15.0 C (59.0 F)	tie	26 years	6 of 100 (Routine)
4 June 1988	Cosala, MX	daily low min (Tie)	15.6 C (60.1 F)	tie	24 years	3 of 100 (Routine)
2 June 1988	Cosala, MX	monthly low min (Tie)	15.0 C (59.0 F)	tie	25 years	6 of 100 (Routine)
20 May 1988	Cosala, MX	daily low min (Tie)	13.9 C (57.0 F)	tie	23 years	3 of 100 (Routine)
8 April 1988	Cosala, MX	daily high min (Tie)	17.8 C (64.0 F)	tie	16 years	3 of 100 (Routine)
3 April 1988	Cosala, MX	daily low min (Tie)	8.9 C (48.0 F)	tie	14 years	3 of 100 (Routine)

Climate Trend

21 complete years, 1961 to 1987

One stripe for each of 21 complete years at Cosala, 1961 to 1987. Blue stripes are years cooler than the station's own mean of 24.5 C (76.0 F); red stripes are warmer. The coolest year was 1964, at 23.1 C (73.5 F), and the warmest was 1987, at 25.7 C (78.2 F). The strongest colour marks a difference of 1.5 C (2.7 F).

Annual mean temperature at Cosala as warming stripes, 1961 to 1987
Year	Annual mean temperature	Difference from the station mean
1961	24.1 C	-0.33 C
1963	24.2 C	-0.30 C
1964	23.1 C	-1.41 C
1965	23.3 C	-1.14 C
1967	24.1 C	-0.38 C
1969	23.8 C	-0.64 C
1971	24.7 C	+0.26 C
1972	25.2 C	+0.75 C
1973	24.2 C	-0.23 C
1974	24.3 C	-0.12 C
1975	23.9 C	-0.58 C
1976	23.9 C	-0.57 C
1977	24.4 C	-0.05 C
1978	24.4 C	-0.05 C
1979	24.6 C	+0.11 C
1982	25.5 C	+1.04 C
1983	25.0 C	+0.51 C
1984	24.9 C	+0.39 C
1985	25.1 C	+0.65 C
1986	25.4 C	+0.98 C
1987	25.7 C	+1.20 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

1908 to 1988

Yearly extremes at Cosala: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	45.0 C (113.0 F)	1987	40.6 C (105.1 F)	28
Coldest night (TNn)	0.6 C (33.1 F)	1978	5.0 C (41.0 F)	34
Wettest day (Rx1day)	174.0 mm (6.9 in)	1974	87.1 mm (3.4 in)	34
Wettest five days (Rx5day)	331.5 mm (13.1 in)	1964	144.4 mm (5.7 in)	34
Longest dry spell (CDD)	170 days	1982	107 days	34

Hottest day (TXx)

The hottest day of the year at Cosala, 1908 to 1988. The record is 45.0 C (113.0 F) in 1987, marked on the chart; the median year is 40.6 C (105.1 F).

Hottest day (TXx) at Cosala by year
Year	Hottest day (TXx)
1908	n/a
1909	n/a
1910	n/a
1911	n/a
1912	n/a
1913	n/a
1961	40.6 C (105.1 F)
1962	40.6 C (105.1 F)
1963	40.6 C (105.1 F)
1964	40.0 C (104.0 F)
1965	42.8 C (109.0 F)
1966	40.6 C (105.1 F)
1967	41.7 C (107.1 F)
1968	38.9 C (102.0 F)
1969	40.6 C (105.1 F)
1970	38.9 C (102.0 F)
1971	40.6 C (105.1 F)
1972	41.7 C (107.1 F)
1973	41.7 C (107.1 F)
1974	40.0 C (104.0 F)
1975	38.9 C (102.0 F)
1976	40.6 C (105.1 F)
1977	40.0 C (104.0 F)
1978	40.6 C (105.1 F)
1979	41.7 C (107.1 F)
1980	42.8 C (109.0 F)
1981	40.6 C (105.1 F)
1982	41.7 C (107.1 F)
1983	42.8 C (109.0 F)
1984	40.6 C (105.1 F)
1985	40.6 C (105.1 F)
1986	41.7 C (107.1 F)
1987	45.0 C (113.0 F)
1988	43.9 C (111.0 F)

Coldest night (TNn)

The coldest night of the year at Cosala, 1908 to 1988. The record is 0.6 C (33.1 F) in 1978, marked on the chart; the median year is 5.0 C (41.0 F).

Coldest night (TNn) at Cosala by year
Year	Coldest night (TNn)
1908	8.9 C (48.0 F)
1909	5.6 C (42.1 F)
1910	5.0 C (41.0 F)
1911	3.3 C (37.9 F)
1912	5.6 C (42.1 F)
1913	5.0 C (41.0 F)
1961	5.6 C (42.1 F)
1962	5.6 C (42.1 F)
1963	5.6 C (42.1 F)
1964	2.8 C (37.0 F)
1965	3.9 C (39.0 F)
1966	3.9 C (39.0 F)
1967	3.9 C (39.0 F)
1968	5.6 C (42.1 F)
1969	3.9 C (39.0 F)
1970	5.0 C (41.0 F)
1971	2.8 C (37.0 F)
1972	7.8 C (46.0 F)
1973	3.9 C (39.0 F)
1974	3.9 C (39.0 F)
1975	2.8 C (37.0 F)
1976	5.0 C (41.0 F)
1977	6.7 C (44.1 F)
1978	0.6 C (33.1 F)
1979	3.9 C (39.0 F)
1980	7.8 C (46.0 F)
1981	6.7 C (44.1 F)
1982	5.0 C (41.0 F)
1983	5.0 C (41.0 F)
1984	5.0 C (41.0 F)
1985	3.9 C (39.0 F)
1986	5.6 C (42.1 F)
1987	3.9 C (39.0 F)
1988	2.8 C (37.0 F)

Wettest day (Rx1day)

The wettest day of the year at Cosala, 1908 to 1988. The record is 174.0 mm (6.9 in) in 1974, marked on the chart; the median year is 87.1 mm (3.4 in).

Wettest day (Rx1day) at Cosala by year
Year	Wettest day (Rx1day)
1908	1.3 mm (0.05 in)
1909	59.9 mm (2.4 in)
1910	100.3 mm (3.9 in)
1911	82.3 mm (3.2 in)
1912	98.6 mm (3.9 in)
1913	107.4 mm (4.2 in)
1961	104.9 mm (4.1 in)
1962	115.3 mm (4.5 in)
1963	130.3 mm (5.1 in)
1964	160.3 mm (6.3 in)
1965	65.3 mm (2.6 in)
1966	92.5 mm (3.6 in)
1967	89.4 mm (3.5 in)
1968	161.3 mm (6.4 in)
1969	95.0 mm (3.7 in)
1970	161.3 mm (6.4 in)
1971	76.5 mm (3.0 in)
1972	68.3 mm (2.7 in)
1973	54.9 mm (2.2 in)
1974	174.0 mm (6.9 in)
1975	89.4 mm (3.5 in)
1976	84.8 mm (3.3 in)
1977	62.5 mm (2.5 in)
1978	79.0 mm (3.1 in)
1979	50.8 mm (2.0 in)
1980	71.4 mm (2.8 in)
1981	91.4 mm (3.6 in)
1982	118.9 mm (4.7 in)
1983	53.8 mm (2.1 in)
1984	73.4 mm (2.9 in)
1985	140.0 mm (5.5 in)
1986	55.9 mm (2.2 in)
1987	62.5 mm (2.5 in)
1988	79.8 mm (3.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Cosala, 1908 to 1988. The record is 331.5 mm (13.1 in) in 1964, marked on the chart; the median year is 144.4 mm (5.7 in).

Wettest five days (Rx5day) at Cosala by year
Year	Wettest five days (Rx5day)
1908	1.3 mm (0.05 in)
1909	119.1 mm (4.7 in)
1910	150.9 mm (5.9 in)
1911	107.4 mm (4.2 in)
1912	121.0 mm (4.8 in)
1913	142.7 mm (5.6 in)
1961	170.5 mm (6.7 in)
1962	248.6 mm (9.8 in)
1963	206.4 mm (8.1 in)
1964	331.5 mm (13.1 in)
1965	120.5 mm (4.7 in)
1966	169.7 mm (6.7 in)
1967	151.2 mm (6.0 in)
1968	206.8 mm (8.1 in)
1969	129.0 mm (5.1 in)
1970	206.8 mm (8.1 in)
1971	175.3 mm (6.9 in)
1972	152.4 mm (6.0 in)
1973	98.0 mm (3.9 in)
1974	204.5 mm (8.1 in)
1975	170.9 mm (6.7 in)
1976	135.6 mm (5.3 in)
1977	118.6 mm (4.7 in)
1978	88.2 mm (3.5 in)
1979	92.5 mm (3.6 in)
1980	110.8 mm (4.4 in)
1981	163.1 mm (6.4 in)
1982	217.5 mm (8.6 in)
1983	146.0 mm (5.7 in)
1984	125.6 mm (4.9 in)
1985	224.3 mm (8.8 in)
1986	88.8 mm (3.5 in)
1987	130.3 mm (5.1 in)
1988	128.8 mm (5.1 in)

Longest dry spell (CDD)

The longest dry spell of the year at Cosala, 1908 to 1988. The record is 170 days in 1982, marked on the chart; the median year is 107 days.

Longest dry spell (CDD) at Cosala by year
Year	Longest dry spell (CDD)
1908	26 days
1909	165 days
1910	149 days
1911	45 days
1912	106 days
1913	97 days
1961	72 days
1962	66 days
1963	157 days
1964	91 days
1965	142 days
1966	143 days
1967	160 days
1968	113 days
1969	107 days
1970	129 days
1971	109 days
1972	139 days
1973	81 days
1974	77 days
1975	148 days
1976	69 days
1977	154 days
1978	121 days
1979	143 days
1980	89 days
1981	80 days
1982	170 days
1983	49 days
1984	104 days
1985	75 days
1986	82 days
1987	69 days
1988	165 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 Cosala standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Cosala 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).