Atarjea Weather Records (MXN00011111)

Record envelope, standing records and threshold days for Atarjea (MXN00011111), Mexico, with 38 years of record.

Key Facts for Atarjea

Atarjea (MXN00011111) is a weather station in Mexico at 21.27 latitude and -99.72 longitude, 1,245 m (4,084 ft) above sea level.
The station reports from 1976 to 2013, 38 years of record.
1,464 records set at Atarjea still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 21.27 latitude, -99.72 longitude.
Elevation: 1,245 m (4,084 ft).
Period of record: 1976 to 2013, 38 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 Atarjea. 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 Atarjea, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	35.0 C (95.0 F)	-2.2 C (28.0 F)	n/a	n/a
Feb	36.7 C (98.1 F)	0.6 C (33.1 F)	n/a	n/a
Mar	40.0 C (104.0 F)	1.1 C (34.0 F)	n/a	n/a
Apr	43.9 C (111.0 F)	5.6 C (42.1 F)	n/a	n/a
May	41.7 C (107.1 F)	6.7 C (44.1 F)	n/a	n/a
Jun	40.6 C (105.1 F)	7.8 C (46.0 F)	n/a	n/a
Jul	37.8 C (100.0 F)	10.6 C (51.1 F)	n/a	n/a
Aug	35.6 C (96.1 F)	8.3 C (46.9 F)	n/a	n/a
Sep	35.6 C (96.1 F)	6.7 C (44.1 F)	n/a	n/a
Oct	38.9 C (102.0 F)	3.9 C (39.0 F)	n/a	n/a
Nov	35.0 C (95.0 F)	0.6 C (33.1 F)	n/a	n/a
Dec	37.8 C (100.0 F)	-3.3 C (26.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Atarjea still stand. 2006 holds the most, with 113.

Standing records at Atarjea by the year they were set
Year set	Standing records
1976	43
1977	104
1978	55
1979	65
1980	64
1981	45
1982	57
1983	46
1984	58
1985	20
1988	29
1989	44
1990	40
1991	68
1995	34
1996	56
1997	67
1998	32
2000	31
2001	15
2002	11
2003	36
2004	17
2005	60
2006	113
2007	40
2008	55
2009	14
2010	41
2011	79
2012	24
2013	1

Wettest Day of Each Month

Jul: 140.0 mm (5.5 in)

The wettest day on record for each calendar month at Atarjea. The most was 140.0 mm (5.5 in) on 25 July 2010.

Record daily precipitation for each month at Atarjea
Month	Record daily precipitation (mm)	Date
Jan	39.9 mm (1.6 in)	23 January 2005
Feb	37.8 mm (1.5 in)	4 February 2010
Mar	24.9 mm (1.0 in)	19 March 1997
Apr	49.8 mm (2.0 in)	18 April 1979
May	48.0 mm (1.9 in)	28 May 1984
Jun	119.9 mm (4.7 in)	30 June 2011
Jul	140.0 mm (5.5 in)	25 July 2010
Aug	79.8 mm (3.1 in)	21 August 2006
Sep	107.2 mm (4.2 in)	25 September 1980
Oct	79.8 mm (3.1 in)	13 October 2004
Nov	24.9 mm (1.0 in)	2 November 1978
Dec	35.8 mm (1.4 in)	4 December 1981

Period of Record Coverage

1976 to 2013

32 years of record at Atarjea, 1976 to 2013. 12 years have data for under 90 percent of days and are left out of rankings: 1976, 1988, 1989, 1990, 1995, 1998, 2000, 2001 and others.

Days with data per year at Atarjea
Year	Days with data	Share of year	Complete
1976	211	58%	No
1977	361	99%	Yes
1978	362	99%	Yes
1979	365	100%	Yes
1980	360	98%	Yes
1981	362	99%	Yes
1982	364	100%	Yes
1983	365	100%	Yes
1984	364	99%	Yes
1985	365	100%	Yes
1988	213	58%	No
1989	273	75%	No
1990	306	84%	No
1991	365	100%	Yes
1995	183	50%	No
1996	335	92%	Yes
1997	362	99%	Yes
1998	211	58%	No
2000	91	25%	No
2001	304	83%	No
2002	90	25%	No
2003	275	75%	No
2004	305	83%	No
2005	365	100%	Yes
2006	365	100%	Yes
2007	335	92%	Yes
2008	366	100%	Yes
2009	365	100%	Yes
2010	365	100%	Yes
2011	364	100%	Yes
2012	366	100%	Yes
2013	31	8%	No

Latest Records

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

Climate Trend

18 complete years, 1977 to 2012

One stripe for each of 18 complete years at Atarjea, 1977 to 2012. Blue stripes are years cooler than the station's own mean of 20.3 C (68.5 F); red stripes are warmer. The coolest year was 1979, at 19.5 C (67.1 F), and the warmest was 2011, at 21.3 C (70.3 F). The strongest colour marks a difference of 1.0 C (1.8 F).

Annual mean temperature at Atarjea as warming stripes, 1977 to 2012
Year	Annual mean temperature	Difference from the station mean
1977	20.3 C	+0.01 C
1978	19.9 C	-0.37 C
1979	19.5 C	-0.82 C
1980	20.0 C	-0.27 C
1981	19.8 C	-0.50 C
1982	21.2 C	+0.88 C
1983	20.7 C	+0.43 C
1984	20.2 C	-0.06 C
1985	20.3 C	+0.01 C
1991	20.9 C	+0.64 C
1997	20.8 C	+0.49 C
2005	19.6 C	-0.73 C
2006	19.8 C	-0.50 C
2008	20.1 C	-0.17 C
2009	20.5 C	+0.16 C
2010	20.1 C	-0.20 C
2011	21.3 C	+0.98 C
2012	20.4 C	+0.08 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

1976 to 2013

Yearly extremes at Atarjea: 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)	1998	38.6 C (101.5 F)	32
Coldest night (TNn)	-3.3 C (26.1 F)	1996	1.4 C (34.5 F)	32
Wettest day (Rx1day)	140.0 mm (5.5 in)	2010	50.1 mm (2.0 in)	32
Wettest five days (Rx5day)	334.3 mm (13.2 in)	2011	107.1 mm (4.2 in)	32
Longest dry spell (CDD)	155 days	1998	68 days	32

Hottest day (TXx)

The hottest day of the year at Atarjea, 1976 to 2013. The record is 43.9 C (111.0 F) in 1998, marked on the chart; the median year is 38.6 C (101.5 F).

Hottest day (TXx) at Atarjea by year
Year	Hottest day (TXx)
1976	33.9 C (93.0 F)
1977	37.2 C (99.0 F)
1978	40.0 C (104.0 F)
1979	38.3 C (100.9 F)
1980	37.8 C (100.0 F)
1981	37.8 C (100.0 F)
1982	40.0 C (104.0 F)
1983	40.6 C (105.1 F)
1984	40.0 C (104.0 F)
1985	36.1 C (97.0 F)
1988	37.8 C (100.0 F)
1989	40.6 C (105.1 F)
1990	40.6 C (105.1 F)
1991	40.6 C (105.1 F)
1995	35.0 C (95.0 F)
1996	38.9 C (102.0 F)
1997	37.8 C (100.0 F)
1998	43.9 C (111.0 F)
2000	28.9 C (84.0 F)
2001	38.9 C (102.0 F)
2002	36.7 C (98.1 F)
2003	40.6 C (105.1 F)
2004	33.9 C (93.0 F)
2005	35.6 C (96.1 F)
2006	40.6 C (105.1 F)
2007	40.0 C (104.0 F)
2008	38.9 C (102.0 F)
2009	36.7 C (98.1 F)
2010	38.9 C (102.0 F)
2011	41.7 C (107.1 F)
2012	36.1 C (97.0 F)
2013	31.7 C (89.1 F)

Coldest night (TNn)

The coldest night of the year at Atarjea, 1976 to 2013. The record is -3.3 C (26.1 F) in 1996, marked on the chart; the median year is 1.4 C (34.5 F).

Coldest night (TNn) at Atarjea by year
Year	Coldest night (TNn)
1976	2.8 C (37.0 F)
1977	0.6 C (33.1 F)
1978	1.1 C (34.0 F)
1979	-2.2 C (28.0 F)
1980	1.7 C (35.1 F)
1981	1.7 C (35.1 F)
1982	1.7 C (35.1 F)
1983	0.0 C (32.0 F)
1984	0.6 C (33.1 F)
1985	0.0 C (32.0 F)
1988	5.6 C (42.1 F)
1989	1.1 C (34.0 F)
1990	0.6 C (33.1 F)
1991	3.9 C (39.0 F)
1995	2.8 C (37.0 F)
1996	-3.3 C (26.1 F)
1997	-2.2 C (28.0 F)
1998	3.9 C (39.0 F)
2000	7.8 C (46.0 F)
2001	5.0 C (41.0 F)
2002	0.6 C (33.1 F)
2003	0.6 C (33.1 F)
2004	1.7 C (35.1 F)
2005	2.2 C (36.0 F)
2006	0.0 C (32.0 F)
2007	2.8 C (37.0 F)
2008	1.7 C (35.1 F)
2009	0.6 C (33.1 F)
2010	-2.2 C (28.0 F)
2011	0.6 C (33.1 F)
2012	1.7 C (35.1 F)
2013	5.0 C (41.0 F)

Wettest day (Rx1day)

The wettest day of the year at Atarjea, 1976 to 2013. The record is 140.0 mm (5.5 in) in 2010, marked on the chart; the median year is 50.1 mm (2.0 in).

Wettest day (Rx1day) at Atarjea by year
Year	Wettest day (Rx1day)
1976	40.9 mm (1.6 in)
1977	36.8 mm (1.4 in)
1978	53.8 mm (2.1 in)
1979	79.8 mm (3.1 in)
1980	107.2 mm (4.2 in)
1981	80.8 mm (3.2 in)
1982	28.4 mm (1.1 in)
1983	43.4 mm (1.7 in)
1984	87.1 mm (3.4 in)
1985	51.3 mm (2.0 in)
1988	42.9 mm (1.7 in)
1989	26.4 mm (1.0 in)
1990	19.8 mm (0.8 in)
1991	34.8 mm (1.4 in)
1995	51.8 mm (2.0 in)
1996	33.8 mm (1.3 in)
1997	36.3 mm (1.4 in)
1998	59.9 mm (2.4 in)
2000	34.8 mm (1.4 in)
2001	80.0 mm (3.1 in)
2002	0.0 mm (0.00 in)
2003	44.5 mm (1.8 in)
2004	79.8 mm (3.1 in)
2005	48.8 mm (1.9 in)
2006	79.8 mm (3.1 in)
2007	54.9 mm (2.2 in)
2008	70.9 mm (2.8 in)
2009	30.0 mm (1.2 in)
2010	140.0 mm (5.5 in)
2011	119.9 mm (4.7 in)
2012	88.9 mm (3.5 in)
2013	3.3 mm (0.13 in)

Wettest five days (Rx5day)

The wettest five days of the year at Atarjea, 1976 to 2013. The record is 334.3 mm (13.2 in) in 2011, marked on the chart; the median year is 107.1 mm (4.2 in).

Wettest five days (Rx5day) at Atarjea by year
Year	Wettest five days (Rx5day)
1976	107.7 mm (4.2 in)
1977	56.6 mm (2.2 in)
1978	113.2 mm (4.5 in)
1979	173.5 mm (6.8 in)
1980	169.9 mm (6.7 in)
1981	242.9 mm (9.6 in)
1982	49.0 mm (1.9 in)
1983	106.5 mm (4.2 in)
1984	239.5 mm (9.4 in)
1985	91.2 mm (3.6 in)
1988	52.8 mm (2.1 in)
1989	55.2 mm (2.2 in)
1990	37.6 mm (1.5 in)
1991	96.6 mm (3.8 in)
1995	77.2 mm (3.0 in)
1996	87.4 mm (3.4 in)
1997	86.8 mm (3.4 in)
1998	85.6 mm (3.4 in)
2000	114.3 mm (4.5 in)
2001	127.3 mm (5.0 in)
2002	0.0 mm (0.00 in)
2003	102.1 mm (4.0 in)
2004	229.4 mm (9.0 in)
2005	149.3 mm (5.9 in)
2006	117.6 mm (4.6 in)
2007	112.3 mm (4.4 in)
2008	184.4 mm (7.3 in)
2009	38.6 mm (1.5 in)
2010	321.4 mm (12.7 in)
2011	334.3 mm (13.2 in)
2012	141.1 mm (5.6 in)
2013	3.3 mm (0.13 in)

Longest dry spell (CDD)

The longest dry spell of the year at Atarjea, 1976 to 2013. The record is 155 days in 1998, marked on the chart; the median year is 68 days.

Longest dry spell (CDD) at Atarjea by year
Year	Longest dry spell (CDD)
1976	18 days
1977	64 days
1978	58 days
1979	49 days
1980	47 days
1981	41 days
1982	70 days
1983	76 days
1984	79 days
1985	57 days
1988	123 days
1989	44 days
1990	33 days
1991	57 days
1995	34 days
1996	91 days
1997	103 days
1998	155 days
2000	70 days
2001	155 days
2002	90 days
2003	54 days
2004	77 days
2005	101 days
2006	84 days
2007	65 days
2008	63 days
2009	83 days
2010	94 days
2011	73 days
2012	45 days
2013	22 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 Atarjea standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Atarjea 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 2026-10-14 (14 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).