Presa El Rejon (Dge) Weather Records (MXN00008056)

Record envelope, standing records and threshold days for Presa El Rejon (Dge) (MXN00008056), Mexico, with 34 years of record.

Key Facts for Presa El Rejon (Dge)

Presa El Rejon (Dge) (MXN00008056) is a weather station in Mexico at 28.60 latitude and -106.12 longitude, 1,464 m (4,803 ft) above sea level.
The station reports from 1969 to 2002, 34 years of record.
1,464 records set at Presa El Rejon (Dge) still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 28.60 latitude, -106.12 longitude.
Elevation: 1,464 m (4,803 ft).
Period of record: 1969 to 2002, 34 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 Presa El Rejon (Dge). 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 Presa El Rejon (Dge), with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	30.6 C (87.1 F)	-10.0 C (14.0 F)	n/a	n/a
Feb	30.6 C (87.1 F)	-8.9 C (16.0 F)	n/a	n/a
Mar	36.7 C (98.1 F)	-8.9 C (16.0 F)	n/a	n/a
Apr	38.9 C (102.0 F)	-3.3 C (26.1 F)	n/a	n/a
May	38.3 C (100.9 F)	1.1 C (34.0 F)	n/a	n/a
Jun	40.6 C (105.1 F)	10.0 C (50.0 F)	n/a	n/a
Jul	40.6 C (105.1 F)	7.8 C (46.0 F)	n/a	n/a
Aug	37.2 C (99.0 F)	10.0 C (50.0 F)	n/a	n/a
Sep	35.6 C (96.1 F)	5.0 C (41.0 F)	n/a	n/a
Oct	35.6 C (96.1 F)	0.0 C (32.0 F)	n/a	n/a
Nov	31.7 C (89.1 F)	-8.3 C (17.1 F)	n/a	n/a
Dec	30.6 C (87.1 F)	-11.1 C (12.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Presa El Rejon (Dge) still stand. 2002 holds the most, with 118.

Standing records at Presa El Rejon (Dge) by the year they were set
Year set	Standing records
1969	73
1970	91
1971	74
1972	101
1973	94
1974	64
1975	58
1976	71
1977	74
1978	75
1979	87
1980	82
1981	63
1982	115
1983	59
1984	16
1985	9
1986	56
1987	31
1997	3
2000	50
2002	118

Wettest Day of Each Month

Sep: 78.0 mm (3.1 in)

The wettest day on record for each calendar month at Presa El Rejon (Dge). The most was 78.0 mm (3.1 in) on 25 September 1978.

Record daily precipitation for each month at Presa El Rejon (Dge)
Month	Record daily precipitation (mm)	Date
Jan	26.4 mm (1.0 in)	11 January 1982
Feb	19.3 mm (0.8 in)	4 February 2002
Mar	14.5 mm (0.6 in)	11 March 1981
Apr	30.0 mm (1.2 in)	8 April 1985
May	73.9 mm (2.9 in)	17 May 1976
Jun	67.8 mm (2.7 in)	29 June 2000
Jul	64.8 mm (2.6 in)	19 July 1979
Aug	63.0 mm (2.5 in)	13 August 1980
Sep	78.0 mm (3.1 in)	25 September 1978
Oct	54.9 mm (2.2 in)	4 October 1986
Nov	24.9 mm (1.0 in)	15 November 1980
Dec	37.8 mm (1.5 in)	8 December 1982

Period of Record Coverage

1969 to 2002

22 years of record at Presa El Rejon (Dge), 1969 to 2002. 6 years have data for under 90 percent of days and are left out of rankings: 1984, 1985, 1987, 1997, 2000, 2002.

Days with data per year at Presa El Rejon (Dge)
Year	Days with data	Share of year	Complete
1969	361	99%	Yes
1970	364	100%	Yes
1971	364	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	364	100%	Yes
1975	365	100%	Yes
1976	365	100%	Yes
1977	365	100%	Yes
1978	364	100%	Yes
1979	362	99%	Yes
1980	364	99%	Yes
1981	363	99%	Yes
1982	363	99%	Yes
1983	364	100%	Yes
1984	208	57%	No
1985	214	59%	No
1986	365	100%	Yes
1987	120	33%	No
1997	29	8%	No
2000	294	80%	No
2002	304	83%	No

Latest Records

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

Climate Trend

16 complete years, 1969 to 1986

One stripe for each of 16 complete years at Presa El Rejon (Dge), 1969 to 1986. Blue stripes are years cooler than the station's own mean of 17.0 C (62.7 F); red stripes are warmer. The coolest year was 1976, at 15.8 C (60.4 F), and the warmest was 1982, at 18.9 C (65.9 F). The strongest colour marks a difference of 1.9 C (3.4 F).

Annual mean temperature at Presa El Rejon (Dge) as warming stripes, 1969 to 1986
Year	Annual mean temperature	Difference from the station mean
1969	17.5 C	+0.51 C
1970	17.1 C	+0.09 C
1971	17.0 C	-0.06 C
1972	16.8 C	-0.27 C
1973	16.1 C	-0.92 C
1974	17.1 C	+0.10 C
1975	16.8 C	-0.23 C
1976	15.8 C	-1.23 C
1977	17.5 C	+0.44 C
1978	17.0 C	-0.04 C
1979	16.7 C	-0.29 C
1980	17.5 C	+0.48 C
1981	17.4 C	+0.35 C
1982	18.9 C	+1.83 C
1983	17.3 C	+0.22 C
1986	16.1 C	-0.94 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

1969 to 2002

Yearly extremes at Presa El Rejon (Dge): the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	40.6 C (105.1 F)	1982	37.5 C (99.5 F)	22
Coldest night (TNn)	-11.1 C (12.0 F)	1978	-8.3 C (17.1 F)	22
Wettest day (Rx1day)	78.0 mm (3.1 in)	1978	40.3 mm (1.6 in)	22
Wettest five days (Rx5day)	167.7 mm (6.6 in)	1974	84.1 mm (3.3 in)	22
Longest dry spell (CDD)	141 days	1974	82 days	22

Hottest day (TXx)

The hottest day of the year at Presa El Rejon (Dge), 1969 to 2002. The record is 40.6 C (105.1 F) in 1982, marked on the chart; the median year is 37.5 C (99.5 F).

Hottest day (TXx) at Presa El Rejon (Dge) by year
Year	Hottest day (TXx)
1969	38.9 C (102.0 F)
1970	37.8 C (100.0 F)
1971	35.0 C (95.0 F)
1972	36.1 C (97.0 F)
1973	37.2 C (99.0 F)
1974	36.1 C (97.0 F)
1975	36.7 C (98.1 F)
1976	35.0 C (95.0 F)
1977	35.0 C (95.0 F)
1978	38.3 C (100.9 F)
1979	37.8 C (100.0 F)
1980	38.3 C (100.9 F)
1981	38.9 C (102.0 F)
1982	40.6 C (105.1 F)
1983	38.3 C (100.9 F)
1984	37.2 C (99.0 F)
1985	38.9 C (102.0 F)
1986	35.0 C (95.0 F)
1987	32.2 C (90.0 F)
1997	37.2 C (99.0 F)
2000	37.8 C (100.0 F)
2002	40.6 C (105.1 F)

Coldest night (TNn)

The coldest night of the year at Presa El Rejon (Dge), 1969 to 2002. The record is -11.1 C (12.0 F) in 1978, marked on the chart; the median year is -8.3 C (17.1 F).

Coldest night (TNn) at Presa El Rejon (Dge) by year
Year	Coldest night (TNn)
1969	-8.3 C (17.1 F)
1970	-8.3 C (17.1 F)
1971	-10.0 C (14.0 F)
1972	-9.4 C (15.1 F)
1973	-10.0 C (14.0 F)
1974	-8.9 C (16.0 F)
1975	-8.3 C (17.1 F)
1976	-8.3 C (17.1 F)
1977	-8.3 C (17.1 F)
1978	-11.1 C (12.0 F)
1979	-7.2 C (19.0 F)
1980	-4.4 C (24.1 F)
1981	-3.3 C (26.1 F)
1982	-6.1 C (21.0 F)
1983	-8.3 C (17.1 F)
1984	-9.4 C (15.1 F)
1985	-7.2 C (19.0 F)
1986	-7.2 C (19.0 F)
1987	-8.9 C (16.0 F)
1997	12.2 C (54.0 F)
2000	-8.3 C (17.1 F)
2002	-6.1 C (21.0 F)

Wettest day (Rx1day)

The wettest day of the year at Presa El Rejon (Dge), 1969 to 2002. The record is 78.0 mm (3.1 in) in 1978, marked on the chart; the median year is 40.3 mm (1.6 in).

Wettest day (Rx1day) at Presa El Rejon (Dge) by year
Year	Wettest day (Rx1day)
1969	54.9 mm (2.2 in)
1970	35.8 mm (1.4 in)
1971	28.4 mm (1.1 in)
1972	30.0 mm (1.2 in)
1973	42.9 mm (1.7 in)
1974	50.8 mm (2.0 in)
1975	26.9 mm (1.1 in)
1976	73.9 mm (2.9 in)
1977	30.0 mm (1.2 in)
1978	78.0 mm (3.1 in)
1979	64.8 mm (2.6 in)
1980	63.0 mm (2.5 in)
1981	64.8 mm (2.6 in)
1982	37.8 mm (1.5 in)
1983	16.8 mm (0.7 in)
1984	21.3 mm (0.8 in)
1985	49.8 mm (2.0 in)
1986	54.9 mm (2.2 in)
1987	15.5 mm (0.6 in)
1997	10.9 mm (0.4 in)
2000	67.8 mm (2.7 in)
2002	20.3 mm (0.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Presa El Rejon (Dge), 1969 to 2002. The record is 167.7 mm (6.6 in) in 1974, marked on the chart; the median year is 84.1 mm (3.3 in).

Wettest five days (Rx5day) at Presa El Rejon (Dge) by year
Year	Wettest five days (Rx5day)
1969	87.4 mm (3.4 in)
1970	54.2 mm (2.1 in)
1971	80.1 mm (3.2 in)
1972	88.2 mm (3.5 in)
1973	106.5 mm (4.2 in)
1974	167.7 mm (6.6 in)
1975	61.2 mm (2.4 in)
1976	117.9 mm (4.6 in)
1977	93.8 mm (3.7 in)
1978	142.8 mm (5.6 in)
1979	125.8 mm (5.0 in)
1980	139.5 mm (5.5 in)
1981	138.0 mm (5.4 in)
1982	44.2 mm (1.7 in)
1983	33.9 mm (1.3 in)
1984	37.6 mm (1.5 in)
1985	80.8 mm (3.2 in)
1986	71.4 mm (2.8 in)
1987	30.5 mm (1.2 in)
1997	11.2 mm (0.4 in)
2000	115.3 mm (4.5 in)
2002	33.6 mm (1.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Presa El Rejon (Dge), 1969 to 2002. The record is 141 days in 1974, marked on the chart; the median year is 82 days.

Longest dry spell (CDD) at Presa El Rejon (Dge) by year
Year	Longest dry spell (CDD)
1969	134 days
1970	90 days
1971	131 days
1972	46 days
1973	93 days
1974	141 days
1975	126 days
1976	118 days
1977	86 days
1978	132 days
1979	65 days
1980	77 days
1981	70 days
1982	74 days
1983	58 days
1984	105 days
1985	46 days
1986	38 days
1987	53 days
1997	16 days
2000	70 days
2002	96 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 Presa El Rejon (Dge) standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Presa El Rejon (Dge) 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).