Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Plan Lago de Texcoco. 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 Plan Lago de Texcoco, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
27.8 C (82.0 F)
-7.8 C (18.0 F)
n/a
n/a
Feb
30.6 C (87.1 F)
-7.2 C (19.0 F)
n/a
n/a
Mar
33.3 C (91.9 F)
-5.0 C (23.0 F)
n/a
n/a
Apr
35.0 C (95.0 F)
0.6 C (33.1 F)
n/a
n/a
May
36.1 C (97.0 F)
1.7 C (35.1 F)
n/a
n/a
Jun
35.6 C (96.1 F)
3.9 C (39.0 F)
n/a
n/a
Jul
31.7 C (89.1 F)
6.1 C (43.0 F)
n/a
n/a
Aug
30.6 C (87.1 F)
5.0 C (41.0 F)
n/a
n/a
Sep
28.9 C (84.0 F)
0.0 C (32.0 F)
n/a
n/a
Oct
29.4 C (84.9 F)
-2.2 C (28.0 F)
n/a
n/a
Nov
29.4 C (84.9 F)
-5.6 C (21.9 F)
n/a
n/a
Dec
29.4 C (84.9 F)
-7.2 C (19.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Plan Lago de Texcoco still stand. 1970 holds the most, with 76.
Standing records at Plan Lago de Texcoco by the year they were set
Year set
Standing records
1969
47
1970
76
1972
26
1973
45
1974
52
1975
51
1976
50
1977
45
1978
31
1979
46
1980
44
1981
37
1982
47
1983
72
1986
24
1987
60
1988
34
1989
52
1990
7
1991
60
1992
57
1993
22
1994
16
1995
33
1996
20
1997
44
1998
72
1999
37
2000
19
2001
35
2003
36
2004
30
2005
37
2006
25
2007
29
2008
14
2009
32
All-Time Record Progression
3 new records
3 all-time records were set at Plan Lago de Texcoco between 3 July 2008 and 6 May 2009. Each dot is a new record.
When Plan Lago de Texcoco set new all-time records
Date
Kind
Detail
2008-07-03
Record daily precipitation
Record daily precipitation 123.4 mm (4.9 in)
2008-07-21
Record high minimum temperature
Record high minimum temperature 16.1 C (61.0 F)
2009-05-06
Record high maximum temperature
Record high maximum temperature 36.1 C (97.0 F)
Wettest Day of Each Month
Jul: 123.4 mm (4.9 in)
The wettest day on record for each calendar month at Plan Lago de Texcoco. The most was 123.4 mm (4.9 in) on 3 July 2008.
Record daily precipitation for each month at Plan Lago de Texcoco
Month
Record daily precipitation (mm)
Date
Jan
20.8 mm (0.8 in)
21 January 1975
Feb
20.3 mm (0.8 in)
5 February 1989
Mar
35.8 mm (1.4 in)
4 March 1988
Apr
46.0 mm (1.8 in)
30 April 2007
May
42.9 mm (1.7 in)
22 May 2009
Jun
43.7 mm (1.7 in)
6 June 1981
Jul
123.4 mm (4.9 in)
3 July 2008
Aug
39.9 mm (1.6 in)
22 August 1970
Sep
59.4 mm (2.3 in)
4 September 1988
Oct
54.4 mm (2.1 in)
23 October 1993
Nov
58.9 mm (2.3 in)
13 November 2006
Dec
31.5 mm (1.2 in)
30 December 1995
Period of Record Coverage
1969 to 2009
Complete yearUnder 90 percent of days
37 years of record at Plan Lago de Texcoco, 1969 to 2009. 8 years have data for under 90 percent of days and are left out of rankings: 1969, 1972, 1989, 1990, 1993, 1994, 2003, 2009.
Cooler than the station meanWarmer than the station mean
One stripe for each of 25 complete years at Plan Lago de Texcoco, 1970 to 2007. Blue stripes are years cooler than the station's own mean of 15.9 C (60.6 F); red stripes are warmer. The coolest year was 1970, at 14.8 C (58.7 F), and the warmest was 2005, at 16.9 C (62.5 F). The strongest colour marks a difference of 1.1 C (2.0 F).
Annual mean temperature at Plan Lago de Texcoco as warming stripes, 1970 to 2007
Year
Annual mean temperature
Difference from the station mean
1970
14.8 C
-1.09 C
1973
15.6 C
-0.30 C
1974
15.5 C
-0.36 C
1975
16.0 C
+0.10 C
1976
15.3 C
-0.64 C
1977
15.7 C
-0.22 C
1978
16.0 C
+0.06 C
1980
16.0 C
+0.08 C
1981
15.6 C
-0.34 C
1982
16.1 C
+0.15 C
1983
15.7 C
-0.25 C
1987
15.9 C
+0.04 C
1988
16.0 C
+0.13 C
1991
16.6 C
+0.69 C
1992
16.1 C
+0.16 C
1995
16.0 C
+0.13 C
1996
15.2 C
-0.71 C
1997
15.3 C
-0.59 C
1998
16.3 C
+0.44 C
1999
15.8 C
-0.10 C
2000
16.0 C
+0.12 C
2001
16.3 C
+0.39 C
2005
16.9 C
+1.04 C
2006
16.4 C
+0.46 C
2007
16.6 C
+0.69 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 2009
Yearly extremes at Plan Lago de Texcoco: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
36.1 C (97.0 F)
2009
31.7 C (89.1 F)
37
Coldest night (TNn)
-7.8 C (18.0 F)
1986
-4.4 C (24.1 F)
37
Wettest day (Rx1day)
123.4 mm (4.9 in)
2008
36.1 mm (1.4 in)
37
Wettest five days (Rx5day)
184.9 mm (7.3 in)
2008
64.0 mm (2.5 in)
37
Longest dry spell (CDD)
93 days
1998
51 days
37
Hottest day (TXx)
The hottest day of the year at Plan Lago de Texcoco, 1969 to 2009. The record is 36.1 C (97.0 F) in 2009, marked on the chart; the median year is 31.7 C (89.1 F).
Hottest day (TXx) at Plan Lago de Texcoco by year
Year
Hottest day (TXx)
1969
35.6 C (96.1 F)
1970
31.7 C (89.1 F)
1972
26.1 C (79.0 F)
1973
31.1 C (88.0 F)
1974
31.1 C (88.0 F)
1975
33.9 C (93.0 F)
1976
29.4 C (84.9 F)
1977
31.7 C (89.1 F)
1978
32.2 C (90.0 F)
1979
30.6 C (87.1 F)
1980
32.2 C (90.0 F)
1981
32.2 C (90.0 F)
1982
32.8 C (91.0 F)
1983
35.0 C (95.0 F)
1986
32.8 C (91.0 F)
1987
30.0 C (86.0 F)
1988
33.3 C (91.9 F)
1989
35.0 C (95.0 F)
1990
27.8 C (82.0 F)
1991
33.9 C (93.0 F)
1992
31.7 C (89.1 F)
1993
31.7 C (89.1 F)
1994
30.6 C (87.1 F)
1995
31.7 C (89.1 F)
1996
30.0 C (86.0 F)
1997
29.4 C (84.9 F)
1998
33.3 C (91.9 F)
1999
31.7 C (89.1 F)
2000
30.6 C (87.1 F)
2001
32.8 C (91.0 F)
2003
33.9 C (93.0 F)
2004
30.6 C (87.1 F)
2005
33.3 C (91.9 F)
2006
32.2 C (90.0 F)
2007
31.7 C (89.1 F)
2008
33.3 C (91.9 F)
2009
36.1 C (97.0 F)
Coldest night (TNn)
The coldest night of the year at Plan Lago de Texcoco, 1969 to 2009. The record is -7.8 C (18.0 F) in 1986, marked on the chart; the median year is -4.4 C (24.1 F).
Coldest night (TNn) at Plan Lago de Texcoco by year
Year
Coldest night (TNn)
1969
-2.2 C (28.0 F)
1970
-6.1 C (21.0 F)
1972
-1.7 C (28.9 F)
1973
-5.0 C (23.0 F)
1974
-5.6 C (21.9 F)
1975
-5.0 C (23.0 F)
1976
-7.2 C (19.0 F)
1977
-3.3 C (26.1 F)
1978
-4.4 C (24.1 F)
1979
-3.9 C (25.0 F)
1980
-7.2 C (19.0 F)
1981
-4.4 C (24.1 F)
1982
-5.0 C (23.0 F)
1983
-5.0 C (23.0 F)
1986
-7.8 C (18.0 F)
1987
-5.0 C (23.0 F)
1988
-5.6 C (21.9 F)
1989
-5.0 C (23.0 F)
1990
-1.7 C (28.9 F)
1991
-2.2 C (28.0 F)
1992
-5.0 C (23.0 F)
1993
-4.4 C (24.1 F)
1994
-5.0 C (23.0 F)
1995
-2.2 C (28.0 F)
1996
-5.0 C (23.0 F)
1997
-7.2 C (19.0 F)
1998
-5.0 C (23.0 F)
1999
-1.1 C (30.0 F)
2000
-1.1 C (30.0 F)
2001
0.0 C (32.0 F)
2003
-3.3 C (26.1 F)
2004
-2.2 C (28.0 F)
2005
-1.1 C (30.0 F)
2006
-3.9 C (25.0 F)
2007
0.0 C (32.0 F)
2008
-2.2 C (28.0 F)
2009
-5.0 C (23.0 F)
Wettest day (Rx1day)
The wettest day of the year at Plan Lago de Texcoco, 1969 to 2009. The record is 123.4 mm (4.9 in) in 2008, marked on the chart; the median year is 36.1 mm (1.4 in).
Wettest day (Rx1day) at Plan Lago de Texcoco by year
Year
Wettest day (Rx1day)
1969
18.5 mm (0.7 in)
1970
46.0 mm (1.8 in)
1972
23.4 mm (0.9 in)
1973
36.1 mm (1.4 in)
1974
33.0 mm (1.3 in)
1975
32.0 mm (1.3 in)
1976
50.5 mm (2.0 in)
1977
37.1 mm (1.5 in)
1978
37.6 mm (1.5 in)
1979
44.5 mm (1.8 in)
1980
26.9 mm (1.1 in)
1981
43.7 mm (1.7 in)
1982
35.8 mm (1.4 in)
1983
22.9 mm (0.9 in)
1986
35.1 mm (1.4 in)
1987
34.8 mm (1.4 in)
1988
59.4 mm (2.3 in)
1989
40.6 mm (1.6 in)
1990
4.8 mm (0.19 in)
1991
36.1 mm (1.4 in)
1992
35.3 mm (1.4 in)
1993
54.4 mm (2.1 in)
1994
58.4 mm (2.3 in)
1995
31.5 mm (1.2 in)
1996
34.3 mm (1.4 in)
1997
32.3 mm (1.3 in)
1998
35.6 mm (1.4 in)
1999
21.3 mm (0.8 in)
2000
41.9 mm (1.6 in)
2001
26.2 mm (1.0 in)
2003
38.9 mm (1.5 in)
2004
43.9 mm (1.7 in)
2005
38.4 mm (1.5 in)
2006
58.9 mm (2.3 in)
2007
46.0 mm (1.8 in)
2008
123.4 mm (4.9 in)
2009
42.9 mm (1.7 in)
Wettest five days (Rx5day)
The wettest five days of the year at Plan Lago de Texcoco, 1969 to 2009. The record is 184.9 mm (7.3 in) in 2008, marked on the chart; the median year is 64.0 mm (2.5 in).
Wettest five days (Rx5day) at Plan Lago de Texcoco by year
Year
Wettest five days (Rx5day)
1969
22.3 mm (0.9 in)
1970
65.9 mm (2.6 in)
1972
52.9 mm (2.1 in)
1973
78.8 mm (3.1 in)
1974
82.3 mm (3.2 in)
1975
65.3 mm (2.6 in)
1976
66.3 mm (2.6 in)
1977
69.9 mm (2.8 in)
1978
64.0 mm (2.5 in)
1979
84.9 mm (3.3 in)
1980
37.6 mm (1.5 in)
1981
70.1 mm (2.8 in)
1982
36.4 mm (1.4 in)
1983
46.2 mm (1.8 in)
1986
78.6 mm (3.1 in)
1987
60.5 mm (2.4 in)
1988
106.7 mm (4.2 in)
1989
78.7 mm (3.1 in)
1990
6.8 mm (0.27 in)
1991
57.7 mm (2.3 in)
1992
61.2 mm (2.4 in)
1993
60.5 mm (2.4 in)
1994
116.1 mm (4.6 in)
1995
43.0 mm (1.7 in)
1996
48.3 mm (1.9 in)
1997
48.1 mm (1.9 in)
1998
61.7 mm (2.4 in)
1999
47.3 mm (1.9 in)
2000
68.6 mm (2.7 in)
2001
42.7 mm (1.7 in)
2003
82.1 mm (3.2 in)
2004
45.4 mm (1.8 in)
2005
56.9 mm (2.2 in)
2006
65.5 mm (2.6 in)
2007
67.3 mm (2.6 in)
2008
184.9 mm (7.3 in)
2009
96.0 mm (3.8 in)
Longest dry spell (CDD)
The longest dry spell of the year at Plan Lago de Texcoco, 1969 to 2009. The record is 93 days in 1998, marked on the chart; the median year is 51 days.
Longest dry spell (CDD) at Plan Lago de Texcoco by year
Year
Longest dry spell (CDD)
1969
34 days
1970
79 days
1972
31 days
1973
57 days
1974
64 days
1975
65 days
1976
57 days
1977
63 days
1978
43 days
1979
41 days
1980
36 days
1981
34 days
1982
77 days
1983
70 days
1986
51 days
1987
49 days
1988
51 days
1989
45 days
1990
18 days
1991
58 days
1992
46 days
1993
37 days
1994
29 days
1995
33 days
1996
79 days
1997
64 days
1998
93 days
1999
76 days
2000
64 days
2001
51 days
2003
88 days
2004
59 days
2005
42 days
2006
56 days
2007
31 days
2008
68 days
2009
31 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
21 years with a frost
Across 21 years with a frost, the median last spring frost at Plan Lago de Texcoco falls on 25 February and the median first autumn frost on 16 November, which leaves a median of 272 days between them.
Frost dates and growing season at Plan Lago de Texcoco
Measure
Median, all years
Earliest period
Recent period (1970 to 2006)
Recent against earliest
Fitted trend
Last spring frost
25 February
n/a
25 February
n/a
n/a
First autumn frost
16 November
n/a
16 November
n/a
n/a
Growing days
272 days
n/a
272 days
n/a
n/a
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.
Download the Data
Data for Plan Lago de Texcoco standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Plan Lago de Texcoco 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.