Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Boca del Tesorero. 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 Boca del Tesorero, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
29.4 C (84.9 F)
-6.1 C (21.0 F)
n/a
n/a
Feb
33.3 C (91.9 F)
-5.0 C (23.0 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)
-2.2 C (28.0 F)
n/a
n/a
May
39.4 C (102.9 F)
0.0 C (32.0 F)
n/a
n/a
Jun
38.9 C (102.0 F)
5.6 C (42.1 F)
n/a
n/a
Jul
32.8 C (91.0 F)
6.1 C (43.0 F)
n/a
n/a
Aug
32.2 C (90.0 F)
6.7 C (44.1 F)
n/a
n/a
Sep
32.8 C (91.0 F)
4.4 C (39.9 F)
n/a
n/a
Oct
32.8 C (91.0 F)
1.7 C (35.1 F)
n/a
n/a
Nov
30.0 C (86.0 F)
-10.0 C (14.0 F)
n/a
n/a
Dec
27.8 C (82.0 F)
-8.3 C (17.1 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Boca del Tesorero still stand. 1969 holds the most, with 100.
Standing records at Boca del Tesorero by the year they were set
Year set
Standing records
1969
100
1970
64
1971
57
1972
90
1973
85
1974
61
1975
38
1976
26
1977
43
1978
52
1979
28
1980
22
1981
17
1982
10
1983
47
1984
32
1985
36
1986
4
1987
24
1988
26
1989
39
1990
27
1991
38
1992
52
1993
22
1994
34
1995
31
1996
12
1997
48
1998
30
1999
32
2000
45
2001
6
2009
24
2010
50
2011
47
2012
65
All-Time Record Progression
1 new records
1 all-time records were set at Boca del Tesorero between 2 February 2010 and 2 February 2010. Each dot is a new record.
When Boca del Tesorero set new all-time records
Date
Kind
Detail
2010-02-02
Record daily precipitation
Record daily precipitation 66.3 mm (2.6 in)
Wettest Day of Each Month
Feb: 66.3 mm (2.6 in)
The wettest day on record for each calendar month at Boca del Tesorero. The most was 66.3 mm (2.6 in) on 2 February 2010.
Record daily precipitation for each month at Boca del Tesorero
Month
Record daily precipitation (mm)
Date
Jan
33.3 mm (1.3 in)
25 January 1992
Feb
66.3 mm (2.6 in)
2 February 2010
Mar
19.8 mm (0.8 in)
2 March 2001
Apr
13.2 mm (0.5 in)
13 April 1997
May
35.3 mm (1.4 in)
12 May 1993
Jun
63.8 mm (2.5 in)
21 June 1994
Jul
61.0 mm (2.4 in)
3 July 1982
Aug
59.9 mm (2.4 in)
5 August 1975
Sep
64.3 mm (2.5 in)
26 September 1970
Oct
61.0 mm (2.4 in)
25 October 2002
Nov
49.8 mm (2.0 in)
30 November 2009
Dec
31.5 mm (1.2 in)
2 December 1979
Period of Record Coverage
1969 to 2012
Complete yearUnder 90 percent of days
37 years of record at Boca del Tesorero, 1969 to 2012. 14 years have data for under 90 percent of days and are left out of rankings: 1969, 1979, 1980, 1981, 1982, 1986, 1987, 1989 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 19 complete years at Boca del Tesorero, 1970 to 2012. Blue stripes are years cooler than the station's own mean of 16.5 C (61.7 F); red stripes are warmer. The coolest year was 1983, at 15.1 C (59.1 F), and the warmest was 1978, at 17.8 C (64.0 F). The strongest colour marks a difference of 1.5 C (2.7 F).
Annual mean temperature at Boca del Tesorero as warming stripes, 1970 to 2012
Year
Annual mean temperature
Difference from the station mean
1970
17.0 C
+0.55 C
1971
17.2 C
+0.72 C
1972
17.7 C
+1.25 C
1973
17.2 C
+0.74 C
1974
17.3 C
+0.77 C
1975
16.8 C
+0.32 C
1978
17.8 C
+1.26 C
1983
15.1 C
-1.43 C
1984
15.2 C
-1.34 C
1985
15.5 C
-1.00 C
1992
15.2 C
-1.31 C
1993
15.9 C
-0.63 C
1994
16.6 C
+0.15 C
1995
16.4 C
-0.09 C
1997
15.7 C
-0.82 C
1999
16.2 C
-0.29 C
2000
16.5 C
+0.03 C
2010
16.6 C
+0.06 C
2012
17.5 C
+0.99 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 2012
Yearly extremes at Boca del Tesorero: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
39.4 C (102.9 F)
1972
33.9 C (93.0 F)
37
Coldest night (TNn)
-10.0 C (14.0 F)
1974
-3.3 C (26.1 F)
37
Wettest day (Rx1day)
66.3 mm (2.6 in)
2010
39.9 mm (1.6 in)
38
Wettest five days (Rx5day)
142.6 mm (5.6 in)
1976
79.2 mm (3.1 in)
38
Longest dry spell (CDD)
140 days
1989
78 days
38
Hottest day (TXx)
The hottest day of the year at Boca del Tesorero, 1969 to 2012. The record is 39.4 C (102.9 F) in 1972, marked on the chart; the median year is 33.9 C (93.0 F).
Hottest day (TXx) at Boca del Tesorero by year
Year
Hottest day (TXx)
1969
35.6 C (96.1 F)
1970
35.0 C (95.0 F)
1971
33.9 C (93.0 F)
1972
39.4 C (102.9 F)
1973
36.7 C (98.1 F)
1974
38.9 C (102.0 F)
1975
34.4 C (93.9 F)
1976
33.9 C (93.0 F)
1977
32.8 C (91.0 F)
1978
35.0 C (95.0 F)
1979
30.6 C (87.1 F)
1980
33.3 C (91.9 F)
1981
28.9 C (84.0 F)
1982
35.6 C (96.1 F)
1983
33.9 C (93.0 F)
1984
30.6 C (87.1 F)
1985
36.7 C (98.1 F)
1986
27.8 C (82.0 F)
1987
32.8 C (91.0 F)
1988
31.1 C (88.0 F)
1989
33.9 C (93.0 F)
1990
35.0 C (95.0 F)
1991
32.8 C (91.0 F)
1992
32.2 C (90.0 F)
1993
32.2 C (90.0 F)
1994
32.2 C (90.0 F)
1995
38.9 C (102.0 F)
1996
34.4 C (93.9 F)
1997
32.2 C (90.0 F)
1998
37.8 C (100.0 F)
1999
34.4 C (93.9 F)
2000
33.9 C (93.0 F)
2001
28.9 C (84.0 F)
2002
n/a
2009
34.4 C (93.9 F)
2010
35.6 C (96.1 F)
2011
35.6 C (96.1 F)
2012
37.8 C (100.0 F)
Coldest night (TNn)
The coldest night of the year at Boca del Tesorero, 1969 to 2012. The record is -10.0 C (14.0 F) in 1974, marked on the chart; the median year is -3.3 C (26.1 F).
Coldest night (TNn) at Boca del Tesorero by year
Year
Coldest night (TNn)
1969
-3.3 C (26.1 F)
1970
-6.1 C (21.0 F)
1971
-5.0 C (23.0 F)
1972
-5.6 C (21.9 F)
1973
-6.1 C (21.0 F)
1974
-10.0 C (14.0 F)
1975
-5.6 C (21.9 F)
1976
-5.0 C (23.0 F)
1977
0.6 C (33.1 F)
1978
-1.1 C (30.0 F)
1979
-2.2 C (28.0 F)
1980
0.0 C (32.0 F)
1981
-2.2 C (28.0 F)
1982
-2.8 C (27.0 F)
1983
-1.7 C (28.9 F)
1984
-1.7 C (28.9 F)
1985
-4.4 C (24.1 F)
1986
-0.6 C (30.9 F)
1987
-1.1 C (30.0 F)
1988
-5.0 C (23.0 F)
1989
-5.0 C (23.0 F)
1990
-1.7 C (28.9 F)
1991
-3.9 C (25.0 F)
1992
-3.3 C (26.1 F)
1993
-2.2 C (28.0 F)
1994
-3.3 C (26.1 F)
1995
-2.2 C (28.0 F)
1996
-3.3 C (26.1 F)
1997
-8.3 C (17.1 F)
1998
-5.0 C (23.0 F)
1999
-5.0 C (23.0 F)
2000
-4.4 C (24.1 F)
2001
-4.4 C (24.1 F)
2002
n/a
2009
-1.7 C (28.9 F)
2010
-3.3 C (26.1 F)
2011
-5.0 C (23.0 F)
2012
-3.3 C (26.1 F)
Wettest day (Rx1day)
The wettest day of the year at Boca del Tesorero, 1969 to 2012. The record is 66.3 mm (2.6 in) in 2010, marked on the chart; the median year is 39.9 mm (1.6 in).
Wettest day (Rx1day) at Boca del Tesorero by year
Year
Wettest day (Rx1day)
1969
36.8 mm (1.4 in)
1970
64.3 mm (2.5 in)
1971
39.9 mm (1.6 in)
1972
46.2 mm (1.8 in)
1973
32.3 mm (1.3 in)
1974
20.1 mm (0.8 in)
1975
59.9 mm (2.4 in)
1976
41.1 mm (1.6 in)
1977
46.0 mm (1.8 in)
1978
39.9 mm (1.6 in)
1979
39.9 mm (1.6 in)
1980
20.3 mm (0.8 in)
1981
32.8 mm (1.3 in)
1982
61.0 mm (2.4 in)
1983
41.9 mm (1.6 in)
1984
36.8 mm (1.4 in)
1985
47.2 mm (1.9 in)
1986
11.2 mm (0.4 in)
1987
35.8 mm (1.4 in)
1988
47.0 mm (1.9 in)
1989
39.4 mm (1.6 in)
1990
31.8 mm (1.3 in)
1991
47.8 mm (1.9 in)
1992
39.9 mm (1.6 in)
1993
49.3 mm (1.9 in)
1994
63.8 mm (2.5 in)
1995
50.8 mm (2.0 in)
1996
29.0 mm (1.1 in)
1997
25.4 mm (1.0 in)
1998
44.5 mm (1.8 in)
1999
33.8 mm (1.3 in)
2000
45.5 mm (1.8 in)
2001
32.8 mm (1.3 in)
2002
61.0 mm (2.4 in)
2009
52.8 mm (2.1 in)
2010
66.3 mm (2.6 in)
2011
31.0 mm (1.2 in)
2012
31.0 mm (1.2 in)
Wettest five days (Rx5day)
The wettest five days of the year at Boca del Tesorero, 1969 to 2012. The record is 142.6 mm (5.6 in) in 1976, marked on the chart; the median year is 79.2 mm (3.1 in).
Wettest five days (Rx5day) at Boca del Tesorero by year
Year
Wettest five days (Rx5day)
1969
41.5 mm (1.6 in)
1970
83.9 mm (3.3 in)
1971
90.5 mm (3.6 in)
1972
102.3 mm (4.0 in)
1973
91.9 mm (3.6 in)
1974
42.2 mm (1.7 in)
1975
131.8 mm (5.2 in)
1976
142.6 mm (5.6 in)
1977
95.3 mm (3.8 in)
1978
54.1 mm (2.1 in)
1979
60.2 mm (2.4 in)
1980
25.7 mm (1.0 in)
1981
46.0 mm (1.8 in)
1982
120.8 mm (4.8 in)
1983
67.6 mm (2.7 in)
1984
81.5 mm (3.2 in)
1985
88.2 mm (3.5 in)
1986
11.5 mm (0.5 in)
1987
63.8 mm (2.5 in)
1988
125.3 mm (4.9 in)
1989
60.7 mm (2.4 in)
1990
81.9 mm (3.2 in)
1991
122.5 mm (4.8 in)
1992
81.3 mm (3.2 in)
1993
72.2 mm (2.8 in)
1994
90.6 mm (3.6 in)
1995
85.4 mm (3.4 in)
1996
44.2 mm (1.7 in)
1997
41.7 mm (1.6 in)
1998
77.0 mm (3.0 in)
1999
47.0 mm (1.9 in)
2000
52.4 mm (2.1 in)
2001
66.0 mm (2.6 in)
2002
113.9 mm (4.5 in)
2009
94.4 mm (3.7 in)
2010
115.7 mm (4.6 in)
2011
71.2 mm (2.8 in)
2012
53.9 mm (2.1 in)
Longest dry spell (CDD)
The longest dry spell of the year at Boca del Tesorero, 1969 to 2012. The record is 140 days in 1989, marked on the chart; the median year is 78 days.
Longest dry spell (CDD) at Boca del Tesorero by year
Year
Longest dry spell (CDD)
1969
43 days
1970
98 days
1971
85 days
1972
55 days
1973
70 days
1974
75 days
1975
88 days
1976
91 days
1977
136 days
1978
114 days
1979
81 days
1980
50 days
1981
32 days
1982
104 days
1983
71 days
1984
98 days
1985
118 days
1986
33 days
1987
75 days
1988
38 days
1989
140 days
1990
66 days
1991
87 days
1992
44 days
1993
102 days
1994
87 days
1995
130 days
1996
92 days
1997
34 days
1998
112 days
1999
140 days
2000
74 days
2001
53 days
2002
54 days
2009
59 days
2010
109 days
2011
44 days
2012
64 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 Boca del Tesorero standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Boca del Tesorero 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.