Ascension (Dge) Weather Records (MXN00008084)

Record envelope, standing records and threshold days for Ascension (Dge) (MXN00008084), Mexico, with 36 years of record.

Key Facts for Ascension (Dge)

Ascension (Dge) (MXN00008084) is a weather station in Mexico at 31.08 latitude and -108.00 longitude, 1,290 m (4,232 ft) above sea level.
The station reports from 1964 to 1999, 36 years of record.
1,464 records set at Ascension (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, 31.08 latitude, -108.00 longitude.
Elevation: 1,290 m (4,232 ft).
Period of record: 1964 to 1999, 36 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 Ascension (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 Ascension (Dge), with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	26.7 C (80.1 F)	-16.1 C (3.0 F)	n/a	n/a
Feb	30.6 C (87.1 F)	-11.1 C (12.0 F)	n/a	n/a
Mar	30.6 C (87.1 F)	-13.3 C (8.1 F)	n/a	n/a
Apr	37.8 C (100.0 F)	-6.1 C (21.0 F)	n/a	n/a
May	38.9 C (102.0 F)	-2.2 C (28.0 F)	n/a	n/a
Jun	43.9 C (111.0 F)	7.8 C (46.0 F)	n/a	n/a
Jul	42.8 C (109.0 F)	7.8 C (46.0 F)	n/a	n/a
Aug	40.0 C (104.0 F)	8.9 C (48.0 F)	n/a	n/a
Sep	37.8 C (100.0 F)	3.9 C (39.0 F)	n/a	n/a
Oct	35.6 C (96.1 F)	-5.0 C (23.0 F)	n/a	n/a
Nov	30.6 C (87.1 F)	-9.4 C (15.1 F)	n/a	n/a
Dec	25.0 C (77.0 F)	-12.2 C (10.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Ascension (Dge) still stand. 1978 holds the most, with 168.

Standing records at Ascension (Dge) by the year they were set
Year set	Standing records
1964	39
1965	96
1966	80
1967	71
1968	68
1969	79
1970	64
1971	68
1972	95
1973	82
1974	67
1975	70
1976	79
1977	78
1978	168
1979	67
1980	24
1991	36
1992	52
1993	55
1999	26

Wettest Day of Each Month

Jul: 49.3 mm (1.9 in)

The wettest day on record for each calendar month at Ascension (Dge). The most was 49.3 mm (1.9 in) on 18 July 1967.

Record daily precipitation for each month at Ascension (Dge)
Month	Record daily precipitation (mm)	Date
Jan	24.9 mm (1.0 in)	19 January 1993
Feb	24.4 mm (1.0 in)	7 February 1965
Mar	19.8 mm (0.8 in)	18 March 1967
Apr	9.9 mm (0.39 in)	16 April 1976
May	42.4 mm (1.7 in)	31 May 1992
Jun	25.4 mm (1.0 in)	13 June 1973
Jul	49.3 mm (1.9 in)	18 July 1967
Aug	42.2 mm (1.7 in)	26 August 1972
Sep	36.6 mm (1.4 in)	14 September 1972
Oct	34.8 mm (1.4 in)	3 October 1977
Nov	25.9 mm (1.0 in)	28 November 1975
Dec	26.2 mm (1.0 in)	20 December 1991

Period of Record Coverage

1964 to 1999

23 years of record at Ascension (Dge), 1964 to 1999. 7 years have data for under 90 percent of days and are left out of rankings: 1964, 1966, 1980, 1981, 1991, 1998, 1999.

Days with data per year at Ascension (Dge)
Year	Days with data	Share of year	Complete
1964	245	67%	No
1965	365	100%	Yes
1966	272	75%	No
1967	363	99%	Yes
1968	365	100%	Yes
1969	352	96%	Yes
1970	365	100%	Yes
1971	363	99%	Yes
1972	366	100%	Yes
1973	364	100%	Yes
1974	365	100%	Yes
1975	364	100%	Yes
1976	365	100%	Yes
1977	365	100%	Yes
1978	360	99%	Yes
1979	365	100%	Yes
1980	182	50%	No
1981	31	8%	No
1991	326	89%	No
1992	344	94%	Yes
1993	339	93%	Yes
1998	59	16%	No
1999	119	33%	No

Latest Records

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

Climate Trend

17 complete years, 1965 to 1993

One stripe for each of 17 complete years at Ascension (Dge), 1965 to 1993. Blue stripes are years cooler than the station's own mean of 16.0 C (60.7 F); red stripes are warmer. The coolest year was 1978, at 14.8 C (58.6 F), and the warmest was 1993, at 17.3 C (63.2 F). The strongest colour marks a difference of 1.4 C (2.5 F).

Annual mean temperature at Ascension (Dge) as warming stripes, 1965 to 1993
Year	Annual mean temperature	Difference from the station mean
1965	16.8 C	+0.84 C
1967	16.4 C	+0.44 C
1968	15.8 C	-0.18 C
1969	16.3 C	+0.37 C
1970	15.9 C	-0.03 C
1971	16.0 C	+0.07 C
1972	16.8 C	+0.80 C
1973	15.2 C	-0.75 C
1974	15.5 C	-0.48 C
1975	14.9 C	-1.04 C
1976	14.8 C	-1.15 C
1977	15.2 C	-0.80 C
1978	14.8 C	-1.18 C
1979	16.7 C	+0.72 C
1991	16.3 C	+0.34 C
1992	16.7 C	+0.72 C
1993	17.3 C	+1.34 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

1964 to 1999

Yearly extremes at Ascension (Dge): the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	43.9 C (111.0 F)	1978	40.0 C (104.0 F)	23
Coldest night (TNn)	-16.1 C (3.0 F)	1971	-10.0 C (14.0 F)	23
Wettest day (Rx1day)	49.3 mm (1.9 in)	1967	25.4 mm (1.0 in)	23
Wettest five days (Rx5day)	113.3 mm (4.5 in)	1972	46.8 mm (1.8 in)	23
Longest dry spell (CDD)	158 days	1972	77 days	23

Hottest day (TXx)

The hottest day of the year at Ascension (Dge), 1964 to 1999. The record is 43.9 C (111.0 F) in 1978, marked on the chart; the median year is 40.0 C (104.0 F).

Hottest day (TXx) at Ascension (Dge) by year
Year	Hottest day (TXx)
1964	40.6 C (105.1 F)
1965	40.0 C (104.0 F)
1966	38.9 C (102.0 F)
1967	38.3 C (100.9 F)
1968	40.0 C (104.0 F)
1969	40.0 C (104.0 F)
1970	40.0 C (104.0 F)
1971	37.8 C (100.0 F)
1972	41.7 C (107.1 F)
1973	41.7 C (107.1 F)
1974	40.6 C (105.1 F)
1975	37.8 C (100.0 F)
1976	40.0 C (104.0 F)
1977	38.9 C (102.0 F)
1978	43.9 C (111.0 F)
1979	42.8 C (109.0 F)
1980	40.0 C (104.0 F)
1981	25.6 C (78.1 F)
1991	41.7 C (107.1 F)
1992	40.6 C (105.1 F)
1993	40.6 C (105.1 F)
1998	21.7 C (71.1 F)
1999	32.8 C (91.0 F)

Coldest night (TNn)

The coldest night of the year at Ascension (Dge), 1964 to 1999. The record is -16.1 C (3.0 F) in 1971, marked on the chart; the median year is -10.0 C (14.0 F).

Coldest night (TNn) at Ascension (Dge) by year
Year	Coldest night (TNn)
1964	-10.0 C (14.0 F)
1965	-8.9 C (16.0 F)
1966	-9.4 C (15.1 F)
1967	-11.1 C (12.0 F)
1968	-10.0 C (14.0 F)
1969	-9.4 C (15.1 F)
1970	-11.7 C (10.9 F)
1971	-16.1 C (3.0 F)
1972	-11.1 C (12.0 F)
1973	-12.2 C (10.0 F)
1974	-11.1 C (12.0 F)
1975	-9.4 C (15.1 F)
1976	-12.2 C (10.0 F)
1977	-10.0 C (14.0 F)
1978	-13.3 C (8.1 F)
1979	-9.4 C (15.1 F)
1980	-10.0 C (14.0 F)
1981	-4.4 C (24.1 F)
1991	-9.4 C (15.1 F)
1992	-7.2 C (19.0 F)
1993	-6.1 C (21.0 F)
1998	0.0 C (32.0 F)
1999	0.0 C (32.0 F)

Wettest day (Rx1day)

The wettest day of the year at Ascension (Dge), 1964 to 1999. The record is 49.3 mm (1.9 in) in 1967, marked on the chart; the median year is 25.4 mm (1.0 in).

Wettest day (Rx1day) at Ascension (Dge) by year
Year	Wettest day (Rx1day)
1964	27.9 mm (1.1 in)
1965	24.4 mm (1.0 in)
1966	13.5 mm (0.5 in)
1967	49.3 mm (1.9 in)
1968	24.4 mm (1.0 in)
1969	40.9 mm (1.6 in)
1970	40.6 mm (1.6 in)
1971	18.8 mm (0.7 in)
1972	42.2 mm (1.7 in)
1973	25.4 mm (1.0 in)
1974	27.9 mm (1.1 in)
1975	25.9 mm (1.0 in)
1976	21.8 mm (0.9 in)
1977	34.8 mm (1.4 in)
1978	30.0 mm (1.2 in)
1979	15.0 mm (0.6 in)
1980	6.9 mm (0.27 in)
1981	4.6 mm (0.18 in)
1991	26.2 mm (1.0 in)
1992	42.4 mm (1.7 in)
1993	24.9 mm (1.0 in)
1998	0.0 mm (0.00 in)
1999	3.8 mm (0.15 in)

Wettest five days (Rx5day)

The wettest five days of the year at Ascension (Dge), 1964 to 1999. The record is 113.3 mm (4.5 in) in 1972, marked on the chart; the median year is 46.8 mm (1.8 in).

Wettest five days (Rx5day) at Ascension (Dge) by year
Year	Wettest five days (Rx5day)
1964	52.3 mm (2.1 in)
1965	29.7 mm (1.2 in)
1966	13.5 mm (0.5 in)
1967	51.6 mm (2.0 in)
1968	55.1 mm (2.2 in)
1969	78.1 mm (3.1 in)
1970	58.3 mm (2.3 in)
1971	51.2 mm (2.0 in)
1972	113.3 mm (4.5 in)
1973	57.3 mm (2.3 in)
1974	36.6 mm (1.4 in)
1975	26.9 mm (1.1 in)
1976	28.4 mm (1.1 in)
1977	82.6 mm (3.3 in)
1978	45.0 mm (1.8 in)
1979	46.8 mm (1.8 in)
1980	9.3 mm (0.37 in)
1981	8.7 mm (0.34 in)
1991	67.7 mm (2.7 in)
1992	67.6 mm (2.7 in)
1993	37.6 mm (1.5 in)
1998	0.0 mm (0.00 in)
1999	3.8 mm (0.15 in)

Longest dry spell (CDD)

The longest dry spell of the year at Ascension (Dge), 1964 to 1999. The record is 158 days in 1972, marked on the chart; the median year is 77 days.

Longest dry spell (CDD) at Ascension (Dge) by year
Year	Longest dry spell (CDD)
1964	54 days
1965	90 days
1966	91 days
1967	76 days
1968	58 days
1969	55 days
1970	76 days
1971	82 days
1972	158 days
1973	82 days
1974	77 days
1975	97 days
1976	61 days
1977	93 days
1978	127 days
1979	117 days
1980	96 days
1981	20 days
1991	70 days
1992	43 days
1993	44 days
1998	59 days
1999	104 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 Ascension (Dge) standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Ascension (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 2026-10-15 (15 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).