Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Colonia Mariana. 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 Colonia Mariana, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
38.9 C (102.0 F)
-5.0 C (23.0 F)
n/a
n/a
Feb
35.0 C (95.0 F)
-1.1 C (30.0 F)
n/a
n/a
Mar
40.6 C (105.1 F)
-1.1 C (30.0 F)
n/a
n/a
Apr
46.7 C (116.1 F)
0.6 C (33.1 F)
n/a
n/a
May
50.0 C (122.0 F)
0.0 C (32.0 F)
n/a
n/a
Jun
50.0 C (122.0 F)
8.9 C (48.0 F)
n/a
n/a
Jul
50.0 C (122.0 F)
10.0 C (50.0 F)
n/a
n/a
Aug
50.0 C (122.0 F)
10.0 C (50.0 F)
n/a
n/a
Sep
50.0 C (122.0 F)
5.6 C (42.1 F)
n/a
n/a
Oct
47.8 C (118.0 F)
-4.4 C (24.1 F)
n/a
n/a
Nov
43.9 C (111.0 F)
0.0 C (32.0 F)
n/a
n/a
Dec
35.0 C (95.0 F)
-5.0 C (23.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Colonia Mariana still stand. 2002 holds the most, with 133.
Standing records at Colonia Mariana by the year they were set
Year set
Standing records
1981
48
1982
65
1983
43
1984
128
1985
66
1986
30
1987
38
1988
33
1989
23
1990
58
1991
47
1992
42
1993
22
1994
26
1995
35
1996
93
1997
35
1998
35
1999
41
2000
47
2001
123
2002
133
2003
61
2004
43
2005
22
2006
30
2007
14
2008
5
2009
20
2010
29
2011
29
Wettest Day of Each Month
Sep: 58.9 mm (2.3 in)
The wettest day on record for each calendar month at Colonia Mariana. The most was 58.9 mm (2.3 in) on 25 September 1997.
Record daily precipitation for each month at Colonia Mariana
Month
Record daily precipitation (mm)
Date
Jan
31.0 mm (1.2 in)
20 January 2010
Feb
50.8 mm (2.0 in)
23 February 2004
Mar
35.8 mm (1.4 in)
1 March 1992
Apr
17.8 mm (0.7 in)
1 April 1999
May
4.8 mm (0.19 in)
1 May 2001
Jun
9.9 mm (0.39 in)
5 June 1997
Jul
15.0 mm (0.6 in)
18 July 1998
Aug
21.8 mm (0.9 in)
15 August 1983
Sep
58.9 mm (2.3 in)
25 September 1997
Oct
19.8 mm (0.8 in)
16 October 2004
Nov
17.8 mm (0.7 in)
28 November 1998
Dec
37.8 mm (1.5 in)
9 December 1982
Period of Record Coverage
1981 to 2011
Complete yearUnder 90 percent of days
31 years of record at Colonia Mariana, 1981 to 2011. 12 years have data for under 90 percent of days and are left out of rankings: 1981, 1985, 1989, 1995, 2001, 2002, 2006, 2007 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 15 complete years at Colonia Mariana, 1982 to 2005. Blue stripes are years cooler than the station's own mean of 21.8 C (71.2 F); red stripes are warmer. The coolest year was 1984, at 20.3 C (68.6 F), and the warmest was 1996, at 23.4 C (74.2 F). The strongest colour marks a difference of 1.7 C (3.1 F).
Annual mean temperature at Colonia Mariana as warming stripes, 1982 to 2005
Year
Annual mean temperature
Difference from the station mean
1982
21.2 C
-0.58 C
1983
21.2 C
-0.54 C
1984
20.3 C
-1.43 C
1987
21.5 C
-0.29 C
1991
20.7 C
-1.11 C
1992
20.3 C
-1.42 C
1994
20.7 C
-1.06 C
1996
23.4 C
+1.68 C
1997
23.2 C
+1.47 C
1998
21.8 C
+0.03 C
1999
22.3 C
+0.53 C
2000
22.5 C
+0.75 C
2003
23.2 C
+1.45 C
2004
21.9 C
+0.18 C
2005
22.1 C
+0.34 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
1981 to 2011
Yearly extremes at Colonia Mariana: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
50.0 C (122.0 F)
1990
47.8 C (118.0 F)
31
Coldest night (TNn)
-5.0 C (23.0 F)
1982
0.0 C (32.0 F)
31
Wettest day (Rx1day)
58.9 mm (2.3 in)
1997
14.0 mm (0.6 in)
31
Wettest five days (Rx5day)
81.8 mm (3.2 in)
1997
14.0 mm (0.6 in)
31
Longest dry spell (CDD)
327 days
1994
121 days
31
Hottest day (TXx)
The hottest day of the year at Colonia Mariana, 1981 to 2011. The record is 50.0 C (122.0 F) in 1990, marked on the chart; the median year is 47.8 C (118.0 F).
Hottest day (TXx) at Colonia Mariana by year
Year
Hottest day (TXx)
1981
48.9 C (120.0 F)
1982
47.8 C (118.0 F)
1983
47.8 C (118.0 F)
1984
45.6 C (114.1 F)
1985
43.9 C (111.0 F)
1986
47.8 C (118.0 F)
1987
46.7 C (116.1 F)
1988
48.9 C (120.0 F)
1989
46.7 C (116.1 F)
1990
50.0 C (122.0 F)
1991
45.6 C (114.1 F)
1992
46.7 C (116.1 F)
1993
47.8 C (118.0 F)
1994
47.8 C (118.0 F)
1995
50.0 C (122.0 F)
1996
47.8 C (118.0 F)
1997
46.7 C (116.1 F)
1998
50.0 C (122.0 F)
1999
46.7 C (116.1 F)
2000
46.7 C (116.1 F)
2001
50.0 C (122.0 F)
2002
50.0 C (122.0 F)
2003
50.0 C (122.0 F)
2004
45.6 C (114.1 F)
2005
47.8 C (118.0 F)
2006
46.7 C (116.1 F)
2007
47.8 C (118.0 F)
2008
48.9 C (120.0 F)
2009
48.9 C (120.0 F)
2010
46.7 C (116.1 F)
2011
40.6 C (105.1 F)
Coldest night (TNn)
The coldest night of the year at Colonia Mariana, 1981 to 2011. The record is -5.0 C (23.0 F) in 1982, marked on the chart; the median year is 0.0 C (32.0 F).
Coldest night (TNn) at Colonia Mariana by year
Year
Coldest night (TNn)
1981
-4.4 C (24.1 F)
1982
-5.0 C (23.0 F)
1983
-3.3 C (26.1 F)
1984
0.0 C (32.0 F)
1985
0.0 C (32.0 F)
1986
1.7 C (35.1 F)
1987
-3.3 C (26.1 F)
1988
-5.0 C (23.0 F)
1989
0.0 C (32.0 F)
1990
-4.4 C (24.1 F)
1991
0.0 C (32.0 F)
1992
0.6 C (33.1 F)
1993
0.6 C (33.1 F)
1994
0.6 C (33.1 F)
1995
1.7 C (35.1 F)
1996
0.0 C (32.0 F)
1997
0.0 C (32.0 F)
1998
-4.4 C (24.1 F)
1999
0.0 C (32.0 F)
2000
0.0 C (32.0 F)
2001
0.0 C (32.0 F)
2002
-2.2 C (28.0 F)
2003
-4.4 C (24.1 F)
2004
-2.2 C (28.0 F)
2005
-4.4 C (24.1 F)
2006
-3.3 C (26.1 F)
2007
-3.3 C (26.1 F)
2008
0.0 C (32.0 F)
2009
0.6 C (33.1 F)
2010
0.0 C (32.0 F)
2011
-1.1 C (30.0 F)
Wettest day (Rx1day)
The wettest day of the year at Colonia Mariana, 1981 to 2011. The record is 58.9 mm (2.3 in) in 1997, marked on the chart; the median year is 14.0 mm (0.6 in).
Wettest day (Rx1day) at Colonia Mariana by year
Year
Wettest day (Rx1day)
1981
7.4 mm (0.29 in)
1982
37.8 mm (1.5 in)
1983
39.9 mm (1.6 in)
1984
7.9 mm (0.31 in)
1985
6.1 mm (0.24 in)
1986
9.4 mm (0.37 in)
1987
15.0 mm (0.6 in)
1988
17.8 mm (0.7 in)
1989
10.9 mm (0.4 in)
1990
7.9 mm (0.31 in)
1991
30.0 mm (1.2 in)
1992
35.8 mm (1.4 in)
1993
13.0 mm (0.5 in)
1994
1.8 mm (0.07 in)
1995
14.0 mm (0.6 in)
1996
9.9 mm (0.39 in)
1997
58.9 mm (2.3 in)
1998
19.8 mm (0.8 in)
1999
17.8 mm (0.7 in)
2000
14.0 mm (0.6 in)
2001
9.9 mm (0.39 in)
2002
0.0 mm (0.00 in)
2003
18.8 mm (0.7 in)
2004
50.8 mm (2.0 in)
2005
11.4 mm (0.4 in)
2006
18.8 mm (0.7 in)
2007
4.8 mm (0.19 in)
2008
18.8 mm (0.7 in)
2009
3.8 mm (0.15 in)
2010
31.0 mm (1.2 in)
2011
8.9 mm (0.35 in)
Wettest five days (Rx5day)
The wettest five days of the year at Colonia Mariana, 1981 to 2011. The record is 81.8 mm (3.2 in) in 1997, marked on the chart; the median year is 14.0 mm (0.6 in).
Wettest five days (Rx5day) at Colonia Mariana by year
Year
Wettest five days (Rx5day)
1981
9.2 mm (0.36 in)
1982
56.6 mm (2.2 in)
1983
65.8 mm (2.6 in)
1984
7.9 mm (0.31 in)
1985
10.9 mm (0.4 in)
1986
9.4 mm (0.37 in)
1987
17.8 mm (0.7 in)
1988
17.8 mm (0.7 in)
1989
10.9 mm (0.4 in)
1990
7.9 mm (0.31 in)
1991
30.0 mm (1.2 in)
1992
40.6 mm (1.6 in)
1993
32.4 mm (1.3 in)
1994
1.8 mm (0.07 in)
1995
14.0 mm (0.6 in)
1996
9.9 mm (0.39 in)
1997
81.8 mm (3.2 in)
1998
21.6 mm (0.9 in)
1999
21.3 mm (0.8 in)
2000
14.0 mm (0.6 in)
2001
9.9 mm (0.39 in)
2002
0.0 mm (0.00 in)
2003
18.8 mm (0.7 in)
2004
50.8 mm (2.0 in)
2005
11.4 mm (0.4 in)
2006
18.8 mm (0.7 in)
2007
5.6 mm (0.22 in)
2008
19.6 mm (0.8 in)
2009
3.8 mm (0.15 in)
2010
70.1 mm (2.8 in)
2011
8.9 mm (0.35 in)
Longest dry spell (CDD)
The longest dry spell of the year at Colonia Mariana, 1981 to 2011. The record is 327 days in 1994, marked on the chart; the median year is 121 days.
Longest dry spell (CDD) at Colonia Mariana by year
Year
Longest dry spell (CDD)
1981
106 days
1982
133 days
1983
165 days
1984
130 days
1985
267 days
1986
140 days
1987
208 days
1988
96 days
1989
113 days
1990
105 days
1991
108 days
1992
72 days
1993
96 days
1994
327 days
1995
121 days
1996
108 days
1997
71 days
1998
113 days
1999
102 days
2000
148 days
2001
122 days
2002
162 days
2003
162 days
2004
117 days
2005
165 days
2006
154 days
2007
23 days
2008
123 days
2009
41 days
2010
126 days
2011
101 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 Colonia Mariana standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Colonia Mariana 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.