Concordia Weather Records (MXN00005007)

Record envelope, standing records and threshold days for Concordia (MXN00005007), Mexico, with 36 years of record.

Key Facts for Concordia

Concordia (MXN00005007) is a weather station in Mexico at 25.78 latitude and -103.12 longitude, 1,105 m (3,625 ft) above sea level.
The station reports from 1938 to 1973, 36 years of record.
1,464 records set at Concordia still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Concordia set a daily record high minimum temperature of 16.1 C (61.0 F) on 26 November 1973.

About the Station

Location: Mexico, 25.78 latitude, -103.12 longitude.
Elevation: 1,105 m (3,625 ft).
Period of record: 1938 to 1973, 36 years.
Eligible elements: tmax, 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 Concordia. 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 Concordia, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	38.3 C (100.9 F)	-8.3 C (17.1 F)	n/a	n/a
Feb	35.6 C (96.1 F)	-10.0 C (14.0 F)	n/a	n/a
Mar	39.4 C (102.9 F)	-6.1 C (21.0 F)	n/a	n/a
Apr	40.6 C (105.1 F)	0.6 C (33.1 F)	n/a	n/a
May	43.3 C (109.9 F)	6.1 C (43.0 F)	n/a	n/a
Jun	43.3 C (109.9 F)	7.2 C (45.0 F)	n/a	n/a
Jul	41.7 C (107.1 F)	13.3 C (55.9 F)	n/a	n/a
Aug	41.1 C (106.0 F)	11.7 C (53.1 F)	n/a	n/a
Sep	40.0 C (104.0 F)	6.7 C (44.1 F)	n/a	n/a
Oct	38.3 C (100.9 F)	0.0 C (32.0 F)	n/a	n/a
Nov	39.4 C (102.9 F)	-7.8 C (18.0 F)	n/a	n/a
Dec	35.6 C (96.1 F)	-6.7 C (19.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Concordia still stand. 1938 holds the most, with 175.

Standing records at Concordia by the year they were set
Year set	Standing records
1938	175
1941	32
1942	27
1943	17
1944	28
1945	41
1946	43
1947	40
1948	56
1949	52
1950	42
1951	74
1952	49
1953	54
1954	35
1955	54
1956	39
1957	67
1958	39
1959	28
1960	31
1961	34
1962	27
1963	25
1964	34
1965	34
1966	23
1967	31
1968	27
1969	22
1970	52
1971	41
1972	29
1973	62

Wettest Day of Each Month

May: 75.9 mm (3.0 in)

The wettest day on record for each calendar month at Concordia. The most was 75.9 mm (3.0 in) on 1 May 1966.

Record daily precipitation for each month at Concordia
Month	Record daily precipitation (mm)	Date
Jan	23.9 mm (0.9 in)	22 January 1938
Feb	13.5 mm (0.5 in)	27 February 1938
Mar	21.8 mm (0.9 in)	3 March 1968
Apr	69.9 mm (2.8 in)	22 April 1938
May	75.9 mm (3.0 in)	1 May 1966
Jun	42.9 mm (1.7 in)	13 June 1943
Jul	55.9 mm (2.2 in)	22 July 1938
Aug	55.9 mm (2.2 in)	31 August 1966
Sep	69.9 mm (2.8 in)	5 September 1956
Oct	54.9 mm (2.2 in)	9 October 1943
Nov	21.8 mm (0.9 in)	17 November 1946
Dec	18.8 mm (0.7 in)	29 December 1949

Period of Record Coverage

1938 to 1973

34 years of record at Concordia, 1938 to 1973. 2 years have data for under 90 percent of days and are left out of rankings: 1941, 1959.

Days with data per year at Concordia
Year	Days with data	Share of year	Complete
1938	364	100%	Yes
1941	275	75%	No
1942	365	100%	Yes
1943	365	100%	Yes
1944	366	100%	Yes
1945	365	100%	Yes
1946	364	100%	Yes
1947	364	100%	Yes
1948	366	100%	Yes
1949	365	100%	Yes
1950	365	100%	Yes
1951	365	100%	Yes
1952	366	100%	Yes
1953	365	100%	Yes
1954	365	100%	Yes
1955	364	100%	Yes
1956	364	99%	Yes
1957	364	100%	Yes
1958	362	99%	Yes
1959	296	81%	No
1960	364	99%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	364	99%	Yes
1965	363	99%	Yes
1966	362	99%	Yes
1967	364	100%	Yes
1968	365	100%	Yes
1969	361	99%	Yes
1970	361	99%	Yes
1971	334	92%	Yes
1972	365	100%	Yes
1973	333	91%	Yes

Latest Records

Latest records at Concordia
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
26 November 1973	Concordia, MX	daily high min	16.1 C (61.0 F)	1.1 C (2.0 F)	4 years	6 of 100 (Routine)
24 November 1973	Concordia, MX	daily high max	32.8 C (91.0 F)	0.6 C (1.1 F)	8 years	6 of 100 (Routine)
23 November 1973	Concordia, MX	daily high max	33.9 C (93.0 F)	2.8 C (5.0 F)	22 years	14 of 100 (Routine)
19 November 1973	Concordia, MX	daily high max	31.1 C (88.0 F)	0.5 C (0.9 F)	23 years	10 of 100 (Routine)
15 November 1973	Concordia, MX	daily high max	33.3 C (91.9 F)	0.5 C (0.9 F)	23 years	10 of 100 (Routine)
14 November 1973	Concordia, MX	daily high max	35.0 C (95.0 F)	2.2 C (4.0 F)	18 years	12 of 100 (Routine)
9 November 1973	Concordia, MX	daily high max	36.7 C (98.1 F)	3.9 C (7.0 F)	27 years	19 of 100 (Routine)
8 November 1973	Concordia, MX	daily high max	38.3 C (100.9 F)	3.3 C (5.9 F)	28 years	17 of 100 (Routine)
7 November 1973	Concordia, MX	daily high max	36.7 C (98.1 F)	2.8 C (5.0 F)	28 years	16 of 100 (Routine)
5 November 1973	Concordia, MX	daily high max	33.9 C (93.0 F)	1.1 C (2.0 F)	28 years	13 of 100 (Routine)
4 November 1973	Concordia, MX	daily high max	35.0 C (95.0 F)	2.8 C (5.0 F)	24 years	15 of 100 (Routine)
3 November 1973	Concordia, MX	daily high max	36.7 C (98.1 F)	3.9 C (7.0 F)	28 years	19 of 100 (Routine)
29 October 1973	Concordia, MX	daily rain	2.3 mm (0.09 in)	2.0 mm (0.08 in)	15 years	9 of 100 (Routine)
26 October 1973	Concordia, MX	daily high max	34.4 C (93.9 F)	0.5 C (0.9 F)	27 years	12 of 100 (Routine)
25 October 1973	Concordia, MX	daily high max	35.6 C (96.1 F)	2.3 C (4.1 F)	27 years	16 of 100 (Routine)
24 October 1973	Concordia, MX	daily high max	34.4 C (93.9 F)	0.5 C (0.9 F)	27 years	12 of 100 (Routine)
12 October 1973	Concordia, MX	daily high max	35.0 C (95.0 F)	1.1 C (2.0 F)	26 years	12 of 100 (Routine)
26 September 1973	Concordia, MX	daily rain	51.8 mm (2.0 in)	26.9 mm (1.1 in)	3 years	26 of 100 (Routine)
6 September 1973	Concordia, MX	daily low min	12.8 C (55.0 F)	1.1 C (2.0 F)	20 years	13 of 100 (Routine)
20 August 1973	Concordia, MX	daily low min	13.9 C (57.0 F)	2.8 C (5.0 F)	24 years	25 of 100 (Routine)

Climate Trend

30 complete years, 1938 to 1972

One stripe for each of 30 complete years at Concordia, 1938 to 1972. Blue stripes are years cooler than the station's own mean of 21.0 C (69.9 F); red stripes are warmer. The coolest year was 1970, at 19.7 C (67.4 F), and the warmest was 1950, at 22.5 C (72.6 F). The strongest colour marks a difference of 1.5 C (2.7 F).

Annual mean temperature at Concordia as warming stripes, 1938 to 1972
Year	Annual mean temperature	Difference from the station mean
1938	21.8 C	+0.73 C
1942	20.9 C	-0.17 C
1943	20.9 C	-0.15 C
1944	20.6 C	-0.46 C
1945	21.3 C	+0.24 C
1946	21.2 C	+0.11 C
1947	21.4 C	+0.31 C
1948	21.6 C	+0.55 C
1949	21.8 C	+0.75 C
1950	22.5 C	+1.49 C
1951	22.1 C	+1.04 C
1952	21.7 C	+0.60 C
1953	21.5 C	+0.48 C
1954	22.4 C	+1.36 C
1955	20.6 C	-0.46 C
1956	20.6 C	-0.46 C
1957	20.6 C	-0.47 C
1958	19.9 C	-1.18 C
1960	21.2 C	+0.14 C
1961	21.2 C	+0.16 C
1962	21.8 C	+0.79 C
1963	21.1 C	+0.05 C
1964	20.4 C	-0.61 C
1965	20.7 C	-0.33 C
1966	20.2 C	-0.87 C
1967	20.7 C	-0.38 C
1968	19.8 C	-1.28 C
1969	20.4 C	-0.64 C
1970	19.7 C	-1.40 C
1972	21.1 C	+0.00 C

The annual mean temperature here has fallen by 0.4 C (0.1 to 0.6) per decade over 1938 to 1972. In Fahrenheit: 0.7 F (0.2 to 1.2) per decade. The slope is a straight line fitted to 30 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Concordia
Measure	Per decade (C)	Per decade (F)	Period	Complete years	Reading
Annual mean temperature	-0.4 C (-0.6 to -0.1) per decade	-0.7 F (-1.2 to -0.2) per decade	1938 to 1972	30	Fall
Mean daily maximum	-0.5 C (-1.0 to -0.1) per decade	-1.0 F (-1.7 to -0.2) per decade	1938 to 1972	30	Fall
Mean daily minimum	-0.23 C (-0.47 to 0.00) per decade	-0.42 F (-0.84 to 0.00) per decade	1938 to 1972	30	Not clearly different from zero

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

1938 to 1973

Yearly extremes at Concordia: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	43.3 C (109.9 F)	1949	40.9 C (105.5 F)	34
Coldest night (TNn)	-10.0 C (14.0 F)	1956	-5.0 C (23.0 F)	34
Wettest day (Rx1day)	75.9 mm (3.0 in)	1966	34.8 mm (1.4 in)	34
Wettest five days (Rx5day)	103.6 mm (4.1 in)	1938	49.4 mm (1.9 in)	34
Longest dry spell (CDD)	172 days	1971	95 days	34

Hottest day (TXx)

The hottest day of the year at Concordia, 1938 to 1973. The record is 43.3 C (109.9 F) in 1949, marked on the chart; the median year is 40.9 C (105.5 F).

Hottest day (TXx) at Concordia by year
Year	Hottest day (TXx)
1938	40.0 C (104.0 F)
1941	39.4 C (102.9 F)
1942	41.7 C (107.1 F)
1943	39.4 C (102.9 F)
1944	41.7 C (107.1 F)
1945	40.6 C (105.1 F)
1946	41.7 C (107.1 F)
1947	41.7 C (107.1 F)
1948	41.1 C (106.0 F)
1949	43.3 C (109.9 F)
1950	42.8 C (109.0 F)
1951	43.3 C (109.9 F)
1952	41.1 C (106.0 F)
1953	42.8 C (109.0 F)
1954	42.8 C (109.0 F)
1955	41.1 C (106.0 F)
1956	42.8 C (109.0 F)
1957	41.1 C (106.0 F)
1958	38.9 C (102.0 F)
1959	39.4 C (102.9 F)
1960	41.1 C (106.0 F)
1961	40.6 C (105.1 F)
1962	41.1 C (106.0 F)
1963	39.4 C (102.9 F)
1964	40.0 C (104.0 F)
1965	39.4 C (102.9 F)
1966	40.0 C (104.0 F)
1967	39.4 C (102.9 F)
1968	38.9 C (102.0 F)
1969	41.1 C (106.0 F)
1970	40.0 C (104.0 F)
1971	39.4 C (102.9 F)
1972	40.0 C (104.0 F)
1973	40.0 C (104.0 F)

Coldest night (TNn)

The coldest night of the year at Concordia, 1938 to 1973. The record is -10.0 C (14.0 F) in 1956, marked on the chart; the median year is -5.0 C (23.0 F).

Coldest night (TNn) at Concordia by year
Year	Coldest night (TNn)
1938	-6.1 C (21.0 F)
1941	0.6 C (33.1 F)
1942	-6.1 C (21.0 F)
1943	-2.8 C (27.0 F)
1944	-8.3 C (17.1 F)
1945	-3.3 C (26.1 F)
1946	-7.8 C (18.0 F)
1947	-5.6 C (21.9 F)
1948	-4.4 C (24.1 F)
1949	-7.8 C (18.0 F)
1950	-4.4 C (24.1 F)
1951	-8.3 C (17.1 F)
1952	-3.9 C (25.0 F)
1953	-6.7 C (19.9 F)
1954	-4.4 C (24.1 F)
1955	-7.2 C (19.0 F)
1956	-10.0 C (14.0 F)
1957	-7.8 C (18.0 F)
1958	-5.0 C (23.0 F)
1959	-4.4 C (24.1 F)
1960	-3.9 C (25.0 F)
1961	-5.0 C (23.0 F)
1962	-2.8 C (27.0 F)
1963	-6.7 C (19.9 F)
1964	-8.3 C (17.1 F)
1965	-4.4 C (24.1 F)
1966	-5.0 C (23.0 F)
1967	-6.1 C (21.0 F)
1968	-3.9 C (25.0 F)
1969	-2.2 C (28.0 F)
1970	-4.4 C (24.1 F)
1971	-5.6 C (21.9 F)
1972	-2.8 C (27.0 F)
1973	-5.6 C (21.9 F)

Wettest day (Rx1day)

The wettest day of the year at Concordia, 1938 to 1973. The record is 75.9 mm (3.0 in) in 1966, marked on the chart; the median year is 34.8 mm (1.4 in).

Wettest day (Rx1day) at Concordia by year
Year	Wettest day (Rx1day)
1938	69.9 mm (2.8 in)
1941	35.8 mm (1.4 in)
1942	30.5 mm (1.2 in)
1943	54.9 mm (2.2 in)
1944	25.7 mm (1.0 in)
1945	38.4 mm (1.5 in)
1946	38.9 mm (1.5 in)
1947	41.4 mm (1.6 in)
1948	41.9 mm (1.6 in)
1949	18.8 mm (0.7 in)
1950	41.9 mm (1.6 in)
1951	17.8 mm (0.7 in)
1952	22.4 mm (0.9 in)
1953	32.3 mm (1.3 in)
1954	13.5 mm (0.5 in)
1955	15.5 mm (0.6 in)
1956	69.9 mm (2.8 in)
1957	23.9 mm (0.9 in)
1958	37.8 mm (1.5 in)
1959	31.8 mm (1.3 in)
1960	39.4 mm (1.6 in)
1961	25.9 mm (1.0 in)
1962	19.8 mm (0.8 in)
1963	59.9 mm (2.4 in)
1964	51.3 mm (2.0 in)
1965	33.8 mm (1.3 in)
1966	75.9 mm (3.0 in)
1967	22.4 mm (0.9 in)
1968	33.8 mm (1.3 in)
1969	8.9 mm (0.35 in)
1970	24.9 mm (1.0 in)
1971	36.8 mm (1.4 in)
1972	42.9 mm (1.7 in)
1973	51.8 mm (2.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Concordia, 1938 to 1973. The record is 103.6 mm (4.1 in) in 1938, marked on the chart; the median year is 49.4 mm (1.9 in).

Wettest five days (Rx5day) at Concordia by year
Year	Wettest five days (Rx5day)
1938	103.6 mm (4.1 in)
1941	43.5 mm (1.7 in)
1942	46.0 mm (1.8 in)
1943	69.2 mm (2.7 in)
1944	62.0 mm (2.4 in)
1945	78.0 mm (3.1 in)
1946	43.0 mm (1.7 in)
1947	47.6 mm (1.9 in)
1948	94.5 mm (3.7 in)
1949	33.8 mm (1.3 in)
1950	42.7 mm (1.7 in)
1951	44.2 mm (1.7 in)
1952	40.7 mm (1.6 in)
1953	45.5 mm (1.8 in)
1954	18.3 mm (0.7 in)
1955	19.6 mm (0.8 in)
1956	73.7 mm (2.9 in)
1957	27.7 mm (1.1 in)
1958	89.7 mm (3.5 in)
1959	51.7 mm (2.0 in)
1960	51.3 mm (2.0 in)
1961	60.4 mm (2.4 in)
1962	26.7 mm (1.1 in)
1963	59.9 mm (2.4 in)
1964	56.9 mm (2.2 in)
1965	45.5 mm (1.8 in)
1966	87.6 mm (3.4 in)
1967	26.9 mm (1.1 in)
1968	44.5 mm (1.8 in)
1969	20.6 mm (0.8 in)
1970	57.9 mm (2.3 in)
1971	61.2 mm (2.4 in)
1972	51.1 mm (2.0 in)
1973	51.8 mm (2.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Concordia, 1938 to 1973. The record is 172 days in 1971, marked on the chart; the median year is 95 days.

Longest dry spell (CDD) at Concordia by year
Year	Longest dry spell (CDD)
1938	105 days
1941	46 days
1942	154 days
1943	80 days
1944	74 days
1945	126 days
1946	87 days
1947	119 days
1948	97 days
1949	107 days
1950	126 days
1951	73 days
1952	130 days
1953	52 days
1954	134 days
1955	84 days
1956	135 days
1957	117 days
1958	53 days
1959	54 days
1960	142 days
1961	81 days
1962	111 days
1963	92 days
1964	44 days
1965	136 days
1966	89 days
1967	92 days
1968	77 days
1969	88 days
1970	97 days
1971	172 days
1972	148 days
1973	81 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.

Frost Dates and Growing Season

28 years with a frost

Across 28 years with a frost, the median last spring frost at Concordia falls on 28 February and the median first autumn frost on 2 December, which leaves a median of 279 days between them.

Fitted over all years, the growing season changes by -8.2 days per decade at this station.

Frost dates and growing season at Concordia
Measure	Median, all years	Earliest period	Recent period (1938 to 1972)	Recent against earliest	Fitted trend
Last spring frost	28 February	n/a	28 February	n/a	+5.7 days per decade
First autumn frost	2 December	n/a	2 December	n/a	-2.4 days per decade
Growing days	279 days	n/a	279 days	n/a	-8.2 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Rainfall Return Levels

33 years, 1938 to 1973

A day with at least 33.7 mm (1.3 in) of rain is expected about once in 2 years. A day with at least 88.2 mm (3.5 in) of rain is expected about once in 100 years.

Rainfall return levels at Concordia: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	33.7 mm (1.3 in)
5 years	49.1 mm (1.9 in)
10 years	58.9 mm (2.3 in)
25 years	71.0 mm (2.8 in)
50 years	79.7 mm (3.1 in)	Longer than the 33 years of record
100 years	88.2 mm (3.5 in)	Longer than the 33 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, 33 years of values from 1938 to 1973.

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: 75.9 mm (3.0 in) in 1966; 69.9 mm (2.8 in) in 1938; 69.9 mm (2.8 in) in 1956.

Download the Data

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