Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Chiepetepec. 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 Chiepetepec, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
32.8 C (91.0 F)
2.8 C (37.0 F)
n/a
n/a
Feb
36.1 C (97.0 F)
3.9 C (39.0 F)
n/a
n/a
Mar
38.9 C (102.0 F)
5.0 C (41.0 F)
n/a
n/a
Apr
39.4 C (102.9 F)
5.0 C (41.0 F)
n/a
n/a
May
40.0 C (104.0 F)
3.3 C (37.9 F)
n/a
n/a
Jun
37.8 C (100.0 F)
5.0 C (41.0 F)
n/a
n/a
Jul
36.1 C (97.0 F)
6.7 C (44.1 F)
n/a
n/a
Aug
35.0 C (95.0 F)
6.7 C (44.1 F)
n/a
n/a
Sep
36.1 C (97.0 F)
5.0 C (41.0 F)
n/a
n/a
Oct
37.2 C (99.0 F)
5.0 C (41.0 F)
n/a
n/a
Nov
35.0 C (95.0 F)
2.2 C (36.0 F)
n/a
n/a
Dec
36.1 C (97.0 F)
5.0 C (41.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Chiepetepec still stand. 1987 holds the most, with 177.
Standing records at Chiepetepec by the year they were set
Year set
Standing records
1980
40
1981
2
1982
12
1983
13
1984
13
1985
48
1986
21
1987
177
1988
54
1989
44
1990
17
1992
26
1993
88
1994
31
1996
48
1997
103
1998
50
1999
55
2000
136
2001
43
2002
49
2003
62
2004
5
2005
50
2006
22
2007
12
2008
27
2009
62
2010
19
2011
102
2012
33
All-Time Record Progression
1 new records
1 all-time records were set at Chiepetepec between 6 September 2012 and 6 September 2012. Each dot is a new record.
When Chiepetepec set new all-time records
Date
Kind
Detail
2012-09-06
Record daily precipitation
Record daily precipitation 86.4 mm (3.4 in)
Wettest Day of Each Month
Sep: 86.4 mm (3.4 in)
The wettest day on record for each calendar month at Chiepetepec. The most was 86.4 mm (3.4 in) on 6 September 2012.
Record daily precipitation for each month at Chiepetepec
Month
Record daily precipitation (mm)
Date
Jan
45.0 mm (1.8 in)
11 January 1984
Feb
61.0 mm (2.4 in)
25 February 2012
Mar
21.8 mm (0.9 in)
12 March 1983
Apr
35.3 mm (1.4 in)
30 April 2007
May
52.8 mm (2.1 in)
22 May 2001
Jun
61.5 mm (2.4 in)
28 June 2011
Jul
79.8 mm (3.1 in)
5 July 2003
Aug
62.0 mm (2.4 in)
26 August 2001
Sep
86.4 mm (3.4 in)
6 September 2012
Oct
58.4 mm (2.3 in)
11 October 2009
Nov
31.8 mm (1.3 in)
16 November 2006
Dec
45.0 mm (1.8 in)
30 December 1995
Period of Record Coverage
1980 to 2012
Complete yearUnder 90 percent of days
31 years of record at Chiepetepec, 1980 to 2012. 12 years have data for under 90 percent of days and are left out of rankings: 1980, 1986, 1987, 1988, 1990, 1992, 1994, 1996 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 15 complete years at Chiepetepec, 1981 to 2011. Blue stripes are years cooler than the station's own mean of 20.0 C (68.0 F); red stripes are warmer. The coolest year was 1997, at 17.1 C (62.8 F), and the warmest was 2011, at 22.6 C (72.7 F). The strongest colour marks a difference of 2.9 C (5.2 F).
Annual mean temperature at Chiepetepec as warming stripes, 1981 to 2011
Year
Annual mean temperature
Difference from the station mean
1981
19.8 C
-0.18 C
1982
20.4 C
+0.45 C
1983
19.6 C
-0.37 C
1985
19.1 C
-0.87 C
1989
20.0 C
-0.01 C
1997
17.1 C
-2.88 C
1998
17.9 C
-2.11 C
2002
20.5 C
+0.48 C
2003
20.5 C
+0.56 C
2004
19.8 C
-0.18 C
2005
21.0 C
+1.01 C
2006
20.0 C
+0.02 C
2007
20.3 C
+0.28 C
2008
21.1 C
+1.13 C
2011
22.6 C
+2.62 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
1980 to 2012
Yearly extremes at Chiepetepec: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
40.0 C (104.0 F)
2011
35.0 C (95.0 F)
31
Coldest night (TNn)
2.2 C (36.0 F)
1996
8.3 C (46.9 F)
31
Wettest day (Rx1day)
86.4 mm (3.4 in)
2012
49.8 mm (2.0 in)
33
Wettest five days (Rx5day)
158.3 mm (6.2 in)
1981
105.4 mm (4.1 in)
33
Longest dry spell (CDD)
153 days
1988
71 days
33
Hottest day (TXx)
The hottest day of the year at Chiepetepec, 1980 to 2012. The record is 40.0 C (104.0 F) in 2011, marked on the chart; the median year is 35.0 C (95.0 F).
Hottest day (TXx) at Chiepetepec by year
Year
Hottest day (TXx)
1980
33.3 C (91.9 F)
1981
31.7 C (89.1 F)
1982
35.0 C (95.0 F)
1983
31.7 C (89.1 F)
1984
30.6 C (87.1 F)
1985
32.8 C (91.0 F)
1986
27.2 C (81.0 F)
1987
35.0 C (95.0 F)
1988
35.6 C (96.1 F)
1989
35.6 C (96.1 F)
1990
25.6 C (78.1 F)
1991
n/a
1992
32.8 C (91.0 F)
1993
36.1 C (97.0 F)
1994
36.1 C (97.0 F)
1995
n/a
1996
27.8 C (82.0 F)
1997
32.8 C (91.0 F)
1998
38.9 C (102.0 F)
1999
31.7 C (89.1 F)
2000
31.7 C (89.1 F)
2001
28.3 C (82.9 F)
2002
33.9 C (93.0 F)
2003
35.0 C (95.0 F)
2004
35.0 C (95.0 F)
2005
37.8 C (100.0 F)
2006
32.2 C (90.0 F)
2007
35.0 C (95.0 F)
2008
38.9 C (102.0 F)
2009
38.3 C (100.9 F)
2010
35.0 C (95.0 F)
2011
40.0 C (104.0 F)
2012
37.2 C (99.0 F)
Coldest night (TNn)
The coldest night of the year at Chiepetepec, 1980 to 2012. The record is 2.2 C (36.0 F) in 1996, marked on the chart; the median year is 8.3 C (46.9 F).
Coldest night (TNn) at Chiepetepec by year
Year
Coldest night (TNn)
1980
8.3 C (46.9 F)
1981
8.3 C (46.9 F)
1982
8.9 C (48.0 F)
1983
8.3 C (46.9 F)
1984
7.8 C (46.0 F)
1985
5.0 C (41.0 F)
1986
11.7 C (53.1 F)
1987
5.6 C (42.1 F)
1988
7.2 C (45.0 F)
1989
8.3 C (46.9 F)
1990
8.9 C (48.0 F)
1991
n/a
1992
5.0 C (41.0 F)
1993
8.3 C (46.9 F)
1994
10.0 C (50.0 F)
1995
n/a
1996
2.2 C (36.0 F)
1997
3.3 C (37.9 F)
1998
2.8 C (37.0 F)
1999
3.9 C (39.0 F)
2000
5.0 C (41.0 F)
2001
4.4 C (39.9 F)
2002
7.8 C (46.0 F)
2003
8.3 C (46.9 F)
2004
8.3 C (46.9 F)
2005
8.3 C (46.9 F)
2006
9.4 C (48.9 F)
2007
9.4 C (48.9 F)
2008
8.9 C (48.0 F)
2009
8.3 C (46.9 F)
2010
4.4 C (39.9 F)
2011
7.8 C (46.0 F)
2012
6.7 C (44.1 F)
Wettest day (Rx1day)
The wettest day of the year at Chiepetepec, 1980 to 2012. The record is 86.4 mm (3.4 in) in 2012, marked on the chart; the median year is 49.8 mm (2.0 in).
Wettest day (Rx1day) at Chiepetepec by year
Year
Wettest day (Rx1day)
1980
70.1 mm (2.8 in)
1981
40.4 mm (1.6 in)
1982
35.8 mm (1.4 in)
1983
49.8 mm (2.0 in)
1984
50.3 mm (2.0 in)
1985
39.9 mm (1.6 in)
1986
32.3 mm (1.3 in)
1987
39.9 mm (1.6 in)
1988
16.3 mm (0.6 in)
1989
20.8 mm (0.8 in)
1990
32.8 mm (1.3 in)
1991
52.8 mm (2.1 in)
1992
40.9 mm (1.6 in)
1993
19.8 mm (0.8 in)
1994
22.1 mm (0.9 in)
1995
50.8 mm (2.0 in)
1996
74.2 mm (2.9 in)
1997
42.7 mm (1.7 in)
1998
33.8 mm (1.3 in)
1999
55.1 mm (2.2 in)
2000
49.8 mm (2.0 in)
2001
62.0 mm (2.4 in)
2002
57.9 mm (2.3 in)
2003
79.8 mm (3.1 in)
2004
64.3 mm (2.5 in)
2005
80.8 mm (3.2 in)
2006
43.9 mm (1.7 in)
2007
63.0 mm (2.5 in)
2008
43.9 mm (1.7 in)
2009
58.4 mm (2.3 in)
2010
56.4 mm (2.2 in)
2011
61.5 mm (2.4 in)
2012
86.4 mm (3.4 in)
Wettest five days (Rx5day)
The wettest five days of the year at Chiepetepec, 1980 to 2012. The record is 158.3 mm (6.2 in) in 1981, marked on the chart; the median year is 105.4 mm (4.1 in).
Wettest five days (Rx5day) at Chiepetepec by year
Year
Wettest five days (Rx5day)
1980
136.7 mm (5.4 in)
1981
158.3 mm (6.2 in)
1982
56.4 mm (2.2 in)
1983
110.3 mm (4.3 in)
1984
108.5 mm (4.3 in)
1985
103.3 mm (4.1 in)
1986
58.7 mm (2.3 in)
1987
89.7 mm (3.5 in)
1988
57.3 mm (2.3 in)
1989
57.5 mm (2.3 in)
1990
104.6 mm (4.1 in)
1991
120.4 mm (4.7 in)
1992
113.5 mm (4.5 in)
1993
64.0 mm (2.5 in)
1994
42.2 mm (1.7 in)
1995
97.0 mm (3.8 in)
1996
95.5 mm (3.8 in)
1997
105.4 mm (4.1 in)
1998
74.2 mm (2.9 in)
1999
156.4 mm (6.2 in)
2000
111.5 mm (4.4 in)
2001
122.9 mm (4.8 in)
2002
110.3 mm (4.3 in)
2003
107.8 mm (4.2 in)
2004
99.1 mm (3.9 in)
2005
102.7 mm (4.0 in)
2006
67.0 mm (2.6 in)
2007
143.8 mm (5.7 in)
2008
126.2 mm (5.0 in)
2009
105.2 mm (4.1 in)
2010
128.3 mm (5.1 in)
2011
144.9 mm (5.7 in)
2012
137.2 mm (5.4 in)
Longest dry spell (CDD)
The longest dry spell of the year at Chiepetepec, 1980 to 2012. The record is 153 days in 1988, marked on the chart; the median year is 71 days.
Longest dry spell (CDD) at Chiepetepec by year
Year
Longest dry spell (CDD)
1980
56 days
1981
66 days
1982
73 days
1983
84 days
1984
71 days
1985
67 days
1986
113 days
1987
92 days
1988
153 days
1989
152 days
1990
136 days
1991
112 days
1992
52 days
1993
69 days
1994
63 days
1995
39 days
1996
110 days
1997
63 days
1998
153 days
1999
83 days
2000
57 days
2001
64 days
2002
55 days
2003
88 days
2004
66 days
2005
91 days
2006
84 days
2007
43 days
2008
113 days
2009
61 days
2010
96 days
2011
64 days
2012
35 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 Chiepetepec standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Chiepetepec 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.