Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Topolobampo (Smn). 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 Topolobampo (Smn), 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)
5.0 C (41.0 F)
n/a
n/a
Feb
36.1 C (97.0 F)
7.8 C (46.0 F)
n/a
n/a
Mar
37.8 C (100.0 F)
8.9 C (48.0 F)
n/a
n/a
Apr
37.8 C (100.0 F)
10.6 C (51.1 F)
n/a
n/a
May
38.9 C (102.0 F)
11.7 C (53.1 F)
n/a
n/a
Jun
40.0 C (104.0 F)
16.7 C (62.1 F)
n/a
n/a
Jul
40.6 C (105.1 F)
17.8 C (64.0 F)
n/a
n/a
Aug
43.3 C (109.9 F)
17.8 C (64.0 F)
n/a
n/a
Sep
40.6 C (105.1 F)
15.0 C (59.0 F)
n/a
n/a
Oct
42.8 C (109.0 F)
13.9 C (57.0 F)
n/a
n/a
Nov
37.8 C (100.0 F)
10.6 C (51.1 F)
n/a
n/a
Dec
36.7 C (98.1 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 Topolobampo (Smn) still stand. 1965 holds the most, with 159.
Standing records at Topolobampo (Smn) by the year they were set
Year set
Standing records
1962
34
1963
10
1964
37
1965
159
1966
152
1967
22
1968
17
1969
20
1970
12
1971
49
1972
27
1973
28
1974
29
1975
22
1976
30
1977
20
1978
33
1979
39
1980
18
1981
31
1982
15
1983
21
1984
12
1985
11
1986
11
1987
35
1988
11
1989
16
1990
23
1991
11
1992
57
1993
25
1994
27
1995
102
1996
34
1997
68
1998
15
1999
52
2000
129
Wettest Day of Each Month
Jul: 220.0 mm (8.7 in)
The wettest day on record for each calendar month at Topolobampo (Smn). The most was 220.0 mm (8.7 in) on 12 July 1996.
Record daily precipitation for each month at Topolobampo (Smn)
Month
Record daily precipitation (mm)
Date
Jan
45.0 mm (1.8 in)
18 January 1997
Feb
18.8 mm (0.7 in)
21 February 1973
Mar
5.8 mm (0.23 in)
5 March 1978
Apr
0.0 mm (0.00 in)
1 April 1962
May
15.7 mm (0.6 in)
18 May 1979
Jun
31.0 mm (1.2 in)
19 June 1977
Jul
220.0 mm (8.7 in)
12 July 1996
Aug
164.8 mm (6.5 in)
26 August 1996
Sep
209.8 mm (8.3 in)
13 September 1996
Oct
104.9 mm (4.1 in)
8 October 2000
Nov
128.8 mm (5.1 in)
8 November 1974
Dec
69.9 mm (2.8 in)
8 December 1982
Period of Record Coverage
1962 to 2000
Complete yearUnder 90 percent of days
39 years of record at Topolobampo (Smn), 1962 to 2000. 12 years have data for under 90 percent of days and are left out of rankings: 1963, 1967, 1968, 1969, 1970, 1977, 1982, 1983 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 24 complete years at Topolobampo (Smn), 1964 to 2000. Blue stripes are years cooler than the station's own mean of 25.0 C (77.1 F); red stripes are warmer. The coolest year was 1975, at 24.0 C (75.2 F), and the warmest was 1997, at 26.4 C (79.6 F). The strongest colour marks a difference of 1.4 C (2.5 F).
Annual mean temperature at Topolobampo (Smn) as warming stripes, 1964 to 2000
Year
Annual mean temperature
Difference from the station mean
1964
24.5 C
-0.57 C
1965
24.7 C
-0.32 C
1971
24.1 C
-0.95 C
1972
25.0 C
-0.07 C
1973
24.5 C
-0.59 C
1974
24.4 C
-0.68 C
1975
24.0 C
-1.06 C
1976
24.6 C
-0.46 C
1978
24.7 C
-0.31 C
1979
24.5 C
-0.53 C
1980
25.3 C
+0.22 C
1981
25.2 C
+0.13 C
1984
24.8 C
-0.22 C
1987
25.5 C
+0.50 C
1989
25.2 C
+0.19 C
1990
25.3 C
+0.24 C
1991
25.0 C
-0.03 C
1992
24.5 C
-0.57 C
1993
25.2 C
+0.13 C
1994
25.3 C
+0.29 C
1996
26.3 C
+1.30 C
1997
26.4 C
+1.40 C
1998
26.0 C
+0.91 C
2000
26.2 C
+1.12 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
1962 to 2000
Yearly extremes at Topolobampo (Smn): the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
43.3 C (109.9 F)
1985
38.3 C (100.9 F)
39
Coldest night (TNn)
5.0 C (41.0 F)
1971
10.0 C (50.0 F)
39
Wettest day (Rx1day)
220.0 mm (8.7 in)
1996
53.8 mm (2.1 in)
39
Wettest five days (Rx5day)
296.6 mm (11.7 in)
1996
71.4 mm (2.8 in)
39
Longest dry spell (CDD)
220 days
1994
144 days
39
Hottest day (TXx)
The hottest day of the year at Topolobampo (Smn), 1962 to 2000. The record is 43.3 C (109.9 F) in 1985, marked on the chart; the median year is 38.3 C (100.9 F).
Hottest day (TXx) at Topolobampo (Smn) by year
Year
Hottest day (TXx)
1962
38.9 C (102.0 F)
1963
37.8 C (100.0 F)
1964
38.9 C (102.0 F)
1965
38.9 C (102.0 F)
1966
38.9 C (102.0 F)
1967
33.9 C (93.0 F)
1968
36.7 C (98.1 F)
1969
37.8 C (100.0 F)
1970
38.9 C (102.0 F)
1971
36.7 C (98.1 F)
1972
37.8 C (100.0 F)
1973
38.3 C (100.9 F)
1974
38.9 C (102.0 F)
1975
37.2 C (99.0 F)
1976
37.8 C (100.0 F)
1977
38.3 C (100.9 F)
1978
42.8 C (109.0 F)
1979
37.8 C (100.0 F)
1980
38.3 C (100.9 F)
1981
40.0 C (104.0 F)
1982
38.9 C (102.0 F)
1983
38.9 C (102.0 F)
1984
37.2 C (99.0 F)
1985
43.3 C (109.9 F)
1986
40.0 C (104.0 F)
1987
38.9 C (102.0 F)
1988
33.9 C (93.0 F)
1989
37.2 C (99.0 F)
1990
38.9 C (102.0 F)
1991
36.1 C (97.0 F)
1992
36.1 C (97.0 F)
1993
36.1 C (97.0 F)
1994
35.0 C (95.0 F)
1995
40.6 C (105.1 F)
1996
40.6 C (105.1 F)
1997
40.6 C (105.1 F)
1998
40.6 C (105.1 F)
1999
35.6 C (96.1 F)
2000
36.7 C (98.1 F)
Coldest night (TNn)
The coldest night of the year at Topolobampo (Smn), 1962 to 2000. The record is 5.0 C (41.0 F) in 1971, marked on the chart; the median year is 10.0 C (50.0 F).
Coldest night (TNn) at Topolobampo (Smn) by year
Year
Coldest night (TNn)
1962
8.9 C (48.0 F)
1963
11.7 C (53.1 F)
1964
8.9 C (48.0 F)
1965
7.8 C (46.0 F)
1966
7.8 C (46.0 F)
1967
10.0 C (50.0 F)
1968
10.6 C (51.1 F)
1969
10.6 C (51.1 F)
1970
11.7 C (53.1 F)
1971
5.0 C (41.0 F)
1972
10.0 C (50.0 F)
1973
7.8 C (46.0 F)
1974
8.3 C (46.9 F)
1975
8.9 C (48.0 F)
1976
9.4 C (48.9 F)
1977
10.0 C (50.0 F)
1978
8.9 C (48.0 F)
1979
10.0 C (50.0 F)
1980
11.7 C (53.1 F)
1981
11.7 C (53.1 F)
1982
5.0 C (41.0 F)
1983
8.9 C (48.0 F)
1984
10.6 C (51.1 F)
1985
10.0 C (50.0 F)
1986
8.9 C (48.0 F)
1987
6.1 C (43.0 F)
1988
5.0 C (41.0 F)
1989
8.9 C (48.0 F)
1990
10.0 C (50.0 F)
1991
10.6 C (51.1 F)
1992
10.0 C (50.0 F)
1993
10.6 C (51.1 F)
1994
10.6 C (51.1 F)
1995
6.7 C (44.1 F)
1996
10.6 C (51.1 F)
1997
7.8 C (46.0 F)
1998
10.0 C (50.0 F)
1999
11.7 C (53.1 F)
2000
13.9 C (57.0 F)
Wettest day (Rx1day)
The wettest day of the year at Topolobampo (Smn), 1962 to 2000. The record is 220.0 mm (8.7 in) in 1996, marked on the chart; the median year is 53.8 mm (2.1 in).
Wettest day (Rx1day) at Topolobampo (Smn) by year
Year
Wettest day (Rx1day)
1962
5.8 mm (0.23 in)
1963
24.9 mm (1.0 in)
1964
32.8 mm (1.3 in)
1965
31.5 mm (1.2 in)
1966
46.0 mm (1.8 in)
1967
0.0 mm (0.00 in)
1968
46.5 mm (1.8 in)
1969
26.9 mm (1.1 in)
1970
69.9 mm (2.8 in)
1971
79.8 mm (3.1 in)
1972
65.8 mm (2.6 in)
1973
31.8 mm (1.3 in)
1974
128.8 mm (5.1 in)
1975
51.8 mm (2.0 in)
1976
39.9 mm (1.6 in)
1977
34.8 mm (1.4 in)
1978
89.9 mm (3.5 in)
1979
63.8 mm (2.5 in)
1980
52.8 mm (2.1 in)
1981
70.9 mm (2.8 in)
1982
69.9 mm (2.8 in)
1983
84.8 mm (3.3 in)
1984
59.9 mm (2.4 in)
1985
33.8 mm (1.3 in)
1986
39.9 mm (1.6 in)
1987
20.8 mm (0.8 in)
1988
0.0 mm (0.00 in)
1989
54.9 mm (2.2 in)
1990
67.8 mm (2.7 in)
1991
73.9 mm (2.9 in)
1992
37.8 mm (1.5 in)
1993
51.8 mm (2.0 in)
1994
84.8 mm (3.3 in)
1995
53.8 mm (2.1 in)
1996
220.0 mm (8.7 in)
1997
103.9 mm (4.1 in)
1998
179.8 mm (7.1 in)
1999
104.9 mm (4.1 in)
2000
104.9 mm (4.1 in)
Wettest five days (Rx5day)
The wettest five days of the year at Topolobampo (Smn), 1962 to 2000. The record is 296.6 mm (11.7 in) in 1996, marked on the chart; the median year is 71.4 mm (2.8 in).
Wettest five days (Rx5day) at Topolobampo (Smn) by year
Year
Wettest five days (Rx5day)
1962
9.1 mm (0.36 in)
1963
50.0 mm (2.0 in)
1964
57.7 mm (2.3 in)
1965
52.9 mm (2.1 in)
1966
73.2 mm (2.9 in)
1967
0.0 mm (0.00 in)
1968
46.5 mm (1.8 in)
1969
26.9 mm (1.1 in)
1970
99.9 mm (3.9 in)
1971
194.3 mm (7.6 in)
1972
71.4 mm (2.8 in)
1973
31.8 mm (1.3 in)
1974
155.4 mm (6.1 in)
1975
57.4 mm (2.3 in)
1976
65.3 mm (2.6 in)
1977
67.6 mm (2.7 in)
1978
109.7 mm (4.3 in)
1979
71.0 mm (2.8 in)
1980
129.6 mm (5.1 in)
1981
76.3 mm (3.0 in)
1982
83.9 mm (3.3 in)
1983
101.4 mm (4.0 in)
1984
129.6 mm (5.1 in)
1985
35.6 mm (1.4 in)
1986
64.8 mm (2.6 in)
1987
21.6 mm (0.9 in)
1988
0.0 mm (0.00 in)
1989
54.9 mm (2.2 in)
1990
86.3 mm (3.4 in)
1991
88.1 mm (3.5 in)
1992
49.7 mm (2.0 in)
1993
67.3 mm (2.6 in)
1994
84.8 mm (3.3 in)
1995
80.7 mm (3.2 in)
1996
296.6 mm (11.7 in)
1997
103.9 mm (4.1 in)
1998
179.8 mm (7.1 in)
1999
173.7 mm (6.8 in)
2000
170.6 mm (6.7 in)
Longest dry spell (CDD)
The longest dry spell of the year at Topolobampo (Smn), 1962 to 2000. The record is 220 days in 1994, marked on the chart; the median year is 144 days.
Longest dry spell (CDD) at Topolobampo (Smn) by year
Year
Longest dry spell (CDD)
1962
149 days
1963
49 days
1964
187 days
1965
118 days
1966
112 days
1967
59 days
1968
60 days
1969
144 days
1970
106 days
1971
136 days
1972
144 days
1973
139 days
1974
181 days
1975
167 days
1976
188 days
1977
140 days
1978
116 days
1979
102 days
1980
107 days
1981
123 days
1982
172 days
1983
79 days
1984
183 days
1985
169 days
1986
120 days
1987
159 days
1988
152 days
1989
180 days
1990
136 days
1991
218 days
1992
153 days
1993
129 days
1994
220 days
1995
139 days
1996
187 days
1997
172 days
1998
198 days
1999
109 days
2000
165 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 Topolobampo (Smn) standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Topolobampo (Smn) 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.