Extreme rain in United States, 20 September to 1 October 2023

Name: Extreme rain in United States, 20 September to 1 October 2023
Start: 2023-09-20
End: 2023-10-01
Location: United States

Extreme rain in United States, 20 September to 1 October 2023: 254 records at 225 stations, peak on 24 September 2023. Closed.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Key Facts

Extreme rain in United States, 20 September to 1 October 2023 set or tied 254 station records at 225 stations.
It ran from 20 September 2023 to 1 October 2023 (12 days) and its peak day was 24 September 2023.
Status: closed.
Minonk set a daily record precipitation of 97.8 mm (3.9 in) on 22 September 2023.
The busiest day was 24 September 2023 with 53 records.
The oldest broken record in the ranked list had stood for 128 years.

Footprint

20 September to 1 October 2023

The area covered by Extreme rain in United States, 20 September to 1 October 2023 is outlined, with 20 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Extreme rain in United States, 20 September to 1 October 2023: stations that set records in the event
Station	Type	Value	Date
Minonk	Record daily precipitation	97.8 mm (3.9 in)	2023-09-22
Kearney 4 NE	Record daily precipitation	102.4 mm (4.0 in)	2023-09-22
Junction 4SSW	Record daily precipitation	103.6 mm (4.1 in)	2023-09-25
Bowdle	Record daily precipitation	30.7 mm (1.2 in)	2023-09-23
New Hampton	Record daily precipitation	96.5 mm (3.8 in)	2023-09-23
Northwood	Record daily precipitation	62.2 mm (2.4 in)	2023-09-24
Waukon 3NNE	Record daily precipitation	74.4 mm (2.9 in)	2023-09-26
Brookville	Record daily precipitation	44.7 mm (1.8 in)	2023-09-28
Mt Pulaski	Record daily precipitation	145.5 mm (5.7 in)	2023-09-22
Dequeen	Record daily precipitation	142.2 mm (5.6 in)	2023-09-26
Gull Lake Dam	Record daily precipitation	57.9 mm (2.3 in)	2023-09-25
Genoa 2 W	Record daily precipitation	58.9 mm (2.3 in)	2023-09-23
Brimson 2S	Record daily precipitation	58.2 mm (2.3 in)	2023-09-24
Elwood 8 S	Record daily precipitation	62.7 mm (2.5 in)	2023-09-22
Duluth	Record daily precipitation	76.7 mm (3.0 in)	2023-09-24
Detroit Lakes 1 NNE	Record daily precipitation	59.7 mm (2.4 in)	2023-09-24
Darlington Wwtp	Record daily precipitation	83.3 mm (3.3 in)	2023-09-27
Hope 3 NE	Record daily precipitation	59.9 mm (2.4 in)	2023-09-24
Pelican Rapids	Record daily precipitation	68.6 mm (2.7 in)	2023-09-24
Wheaton	Record daily precipitation	69.3 mm (2.7 in)	2023-09-24

Records per Day

Peak day 53

Records set or tied each day from 20 September 2023 to 1 October 2023. The most in one day was 53 on 24 September 2023.

Records per day during Extreme rain in United States, 20 September to 1 October 2023
Date	Records
2023-09-20	4
2023-09-21	10
2023-09-22	46
2023-09-23	32
2023-09-24	53
2023-09-25	32
2023-09-26	20
2023-09-27	19
2023-09-28	11
2023-09-29	13
2023-09-30	11
2023-10-01	3

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in United States, 20 September to 1 October 2023 ranked by margin
Dequeen, 09-26	78.7 mm (3.1 in)
New Hampton, 09-23	68.6 mm (2.7 in)
Minonk, 09-22	66.0 mm (2.6 in)
Junction 4SSW, 09-25	61.7 mm (2.4 in)
Mt Pulaski, 09-22	50.8 mm (2.0 in)
Pelican Rapids, 09-24	48.3 mm (1.9 in)
Waukon 3NNE, 09-26	45.2 mm (1.8 in)
Gull Lake Dam, 09-25	43.2 mm (1.7 in)
Wheaton, 09-24	43.1 mm (1.7 in)
Darlington Wwtp, 09-27	39.1 mm (1.5 in)
Duluth, 09-24	37.6 mm (1.5 in)
Detroit Lakes 1 NNE, 09-24	29.7 mm (1.2 in)
Brimson 2S, 09-24	29.0 mm (1.1 in)
Genoa 2 W, 09-23	28.9 mm (1.1 in)
Elwood 8 S, 09-22	28.4 mm (1.1 in)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

254 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.

Margin against age of the broken record in Extreme rain in United States, 20 September to 1 October 2023
Margin (mm)	Years the old record stood
66	124
16	120
62	76
23	81
27	96
69	25
28	109
45	50
79	38
51	5
43	17
29	60
29	74
28	60
38	45
30	49
39	64
24	97
48	12
43	5
54	18
42	5
27	49
25	60
36	5
67	12
12	120
7	102
37	18
34	50
71	24
26	77
25	60
34	45
35	5
18	74
44	12
4	110
28	50
17	61
3	109
11	81
18	57
31	20
18	72
0	100
2	96
0	128
36	37
38	8
0	127
16	78
25	16
4	54
23	60
22	33
13	76
2	96
14	60
5	85
29	13
15	44
10	81
9	60
50	29
19	16
19	38
9	77
15	52
19	54
29	44
7	74
25	37
14	45
22	45
15	52
6	73
1	80
5	72
14	57
8	61
26	25
15	37
42	25
35	20
17	37
19	16
20	28
22	28
5	64
5	60
13	52
6	60
23	38
7	49
18	25
23	28
8	68
20	16
9	36
3	64
28	26
3	60
16	38
5	54
25	26
49	20
4	68
33	26
47	18
4	64
25	17
17	28
21	34
11	45
3	61
1	62
5	50
2	60
5	44
18	24
13	16
9	42
1	68
14	24
2	52
24	18
6	45
21	8
23	17
2	60
2	52
28	17
0	64
11	28
19	12
7	45
24	28
10	18
1	56
18	12
4	52
4	45
22	0
8	45
22	26
5	50
11	16
18	12
10	26
20	8
10	42
17	16
10	25
17	24
20	12
10	40
3	45
15	26
4	37
2	45
9	17
16	24
13	17
12	12
19	26
7	18
10	5
7	6
11	5
19	24
1	50
17	22
3	29
21	4
5	18
10	12
9	12
9	29
19	22
8	12
3	24
1	26
13	25
16	16
7	5
1	37
7	25
10	2
2	38
7	12
5	16
3	16
34	4
13	4
19	4
5	20
11	12
5	12
3	36

Compared With Other Events

Station records per event

Station records in Extreme rain in United States, 20 September to 1 October 2023 compared with similar events
Extreme rain in United States and Mexico, 23 February to 15 March 2019	2,223 records
Extreme rain in United States, 3 to 19 January 2024	2,133 records
Extreme rain in Australia, 7 to 26 March 2021	2,099 records
Extreme rain in United States and Mexico, 29 September to 19 October 2018	1,970 records
Extreme rain in United States, 19 December 2022 to 13 January 2023	1,941 records
Extreme rain in United States, 20 September to 1 October 2023 (this event)	254 records

Every Record Set

20 of 254

Every record set or tied during Extreme rain in United States, 20 September to 1 October 2023, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2023-09-22	Minonk	Record daily precipitation	97.8 mm (3.9 in)	66.0 mm (2.6 in)	124	80 of 100 (Exceptional)
2023-09-22	Kearney 4 NE	Record daily precipitation	102.4 mm (4.0 in)	16.3 mm (0.6 in)	120	63 of 100 (Major)
2023-09-22	Mt Pulaski	Record daily precipitation	145.5 mm (5.7 in)	50.8 mm (2.0 in)	5	56 of 100 (Notable)
2023-09-22	Elwood 8 S	Record daily precipitation	62.7 mm (2.5 in)	28.4 mm (1.1 in)	60	53 of 100 (Notable)
2023-09-23	Bowdle	Record daily precipitation	30.7 mm (1.2 in)	22.8 mm (0.9 in)	81	61 of 100 (Major)
2023-09-23	New Hampton	Record daily precipitation	96.5 mm (3.8 in)	68.6 mm (2.7 in)	25	57 of 100 (Notable)
2023-09-23	Genoa 2 W	Record daily precipitation	58.9 mm (2.3 in)	28.9 mm (1.1 in)	74	54 of 100 (Notable)
2023-09-24	Northwood	Record daily precipitation	62.2 mm (2.4 in)	27.9 mm (1.1 in)	109	57 of 100 (Notable)
2023-09-24	Brimson 2S	Record daily precipitation	58.2 mm (2.3 in)	29.0 mm (1.1 in)	60	54 of 100 (Notable)
2023-09-24	Duluth	Record daily precipitation	76.7 mm (3.0 in)	37.6 mm (1.5 in)	45	53 of 100 (Notable)
2023-09-24	Detroit Lakes 1 NNE	Record daily precipitation	59.7 mm (2.4 in)	29.7 mm (1.2 in)	49	52 of 100 (Notable)
2023-09-24	Hope 3 NE	Record daily precipitation	59.9 mm (2.4 in)	24.3 mm (1.0 in)	97	51 of 100 (Notable)
2023-09-24	Pelican Rapids	Record daily precipitation	68.6 mm (2.7 in)	48.3 mm (1.9 in)	12	51 of 100 (Notable)
2023-09-24	Wheaton	Record daily precipitation	69.3 mm (2.7 in)	43.1 mm (1.7 in)	5	51 of 100 (Notable)
2023-09-25	Junction 4SSW	Record daily precipitation	103.6 mm (4.1 in)	61.7 mm (2.4 in)	76	63 of 100 (Major)
2023-09-25	Gull Lake Dam	Record daily precipitation	57.9 mm (2.3 in)	43.2 mm (1.7 in)	17	55 of 100 (Notable)
2023-09-26	Waukon 3NNE	Record daily precipitation	74.4 mm (2.9 in)	45.2 mm (1.8 in)	50	57 of 100 (Notable)
2023-09-26	Dequeen	Record daily precipitation	142.2 mm (5.6 in)	78.7 mm (3.1 in)	38	56 of 100 (Notable)
2023-09-27	Darlington Wwtp	Record daily precipitation	83.3 mm (3.3 in)	39.1 mm (1.5 in)	64	52 of 100 (Notable)
2023-09-28	Brookville	Record daily precipitation	44.7 mm (1.8 in)	26.9 mm (1.1 in)	96	57 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 254 records the event counts. The counts above use the full total.

Related Headlines

Third party news, headline and link only

Download the Data

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 2026-10-17. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.

Margin (mm)	Years the old record stood
66	124
16	120
62	76
23	81
27	96
69	25
28	109
45	50
79	38
51	5
43	17
29	60
29	74
28	60
38	45
30	49
39	64
24	97
48	12
43	5
54	18
42	5
27	49
25	60
36	5
67	12
12	120
7	102
37	18
34	50
71	24
26	77
25	60
34	45
35	5
18	74
44	12
4	110
28	50
17	61
3	109
11	81
18	57
31	20
18	72
0	100
2	96
0	128
36	37
38	8
0	127
16	78
25	16
4	54
23	60
22	33
13	76
2	96
14	60
5	85
29	13
15	44
10	81
9	60
50	29
19	16
19	38
9	77
15	52
19	54
29	44
7	74
25	37
14	45
22	45
15	52
6	73
1	80
5	72
14	57
8	61
26	25
15	37
42	25
35	20
17	37
19	16
20	28
22	28
5	64
5	60
13	52
6	60
23	38
7	49
18	25
23	28
8	68
20	16
9	36
3	64
28	26
3	60
16	38
5	54
25	26
49	20
4	68
33	26
47	18
4	64
25	17
17	28
21	34
11	45
3	61
1	62
5	50
2	60
5	44
18	24
13	16
9	42
1	68
14	24
2	52
24	18
6	45
21	8
23	17
2	60
2	52
28	17
0	64
11	28
19	12
7	45
24	28
10	18
1	56
18	12
4	52
4	45
22	0
8	45
22	26
5	50
11	16
18	12
10	26
20	8
10	42
17	16
10	25
17	24
20	12
10	40
3	45
15	26
4	37
2	45
9	17
16	24
13	17
12	12
19	26
7	18
10	5
7	6
11	5
19	24
1	50
17	22
3	29
21	4
5	18
10	12
9	12
9	29
19	22
8	12
3	24
1	26
13	25
16	16
7	5
1	37
7	25
10	2
2	38
7	12
5	16
3	16
34	4
13	4
19	4
5	20
11	12
5	12
3	36

Margin (mm)	Years the old record stood
66	124
16	120
62	76
23	81
27	96
69	25
28	109
45	50
79	38
51	5
43	17
29	60
29	74
28	60
38	45
30	49
39	64
24	97
48	12
43	5
54	18
42	5
27	49
25	60
36	5
67	12
12	120
7	102
37	18
34	50
71	24
26	77
25	60
34	45
35	5
18	74
44	12
4	110
28	50
17	61
3	109
11	81
18	57
31	20
18	72
0	100
2	96
0	128
36	37
38	8
0	127
16	78
25	16
4	54
23	60
22	33
13	76
2	96
14	60
5	85
29	13
15	44
10	81
9	60
50	29
19	16
19	38
9	77
15	52
19	54
29	44
7	74
25	37
14	45
22	45
15	52
6	73
1	80
5	72
14	57
8	61
26	25
15	37
42	25
35	20
17	37
19	16
20	28
22	28
5	64
5	60
13	52
6	60
23	38
7	49
18	25
23	28
8	68
20	16
9	36
3	64
28	26
3	60
16	38
5	54
25	26
49	20
4	68
33	26
47	18
4	64
25	17
17	28
21	34
11	45
3	61
1	62
5	50
2	60
5	44
18	24
13	16
9	42
1	68
14	24
2	52
24	18
6	45
21	8
23	17
2	60
2	52
28	17
0	64
11	28
19	12
7	45
24	28
10	18
1	56
18	12
4	52
4	45
22	0
8	45
22	26
5	50
11	16
18	12
10	26
20	8
10	42
17	16
10	25
17	24
20	12
10	40
3	45
15	26
4	37
2	45
9	17
16	24
13	17
12	12
19	26
7	18
10	5
7	6
11	5
19	24
1	50
17	22
3	29
21	4
5	18
10	12
9	12
9	29
19	22
8	12
3	24
1	26
13	25
16	16
7	5
1	37
7	25
10	2
2	38
7	12
5	16
3	16
34	4
13	4
19	4
5	20
11	12
5	12
3	36

Margin (mm)	Years the old record stood
66	124
16	120
62	76
23	81
27	96
69	25
28	109
45	50
79	38
51	5
43	17
29	60
29	74
28	60
38	45
30	49
39	64
24	97
48	12
43	5
54	18
42	5
27	49
25	60
36	5
67	12
12	120
7	102
37	18
34	50
71	24
26	77
25	60
34	45
35	5
18	74
44	12
4	110
28	50
17	61
3	109
11	81
18	57
31	20
18	72
0	100
2	96
0	128
36	37
38	8
0	127
16	78
25	16
4	54
23	60
22	33
13	76
2	96
14	60
5	85
29	13
15	44
10	81
9	60
50	29
19	16
19	38
9	77
15	52
19	54
29	44
7	74
25	37
14	45
22	45
15	52
6	73
1	80
5	72
14	57
8	61
26	25
15	37
42	25
35	20
17	37
19	16
20	28
22	28
5	64
5	60
13	52
6	60
23	38
7	49
18	25
23	28
8	68
20	16
9	36
3	64
28	26
3	60
16	38
5	54
25	26
49	20
4	68
33	26
47	18
4	64
25	17
17	28
21	34
11	45
3	61
1	62
5	50
2	60
5	44
18	24
13	16
9	42
1	68
14	24
2	52
24	18
6	45
21	8
23	17
2	60
2	52
28	17
0	64
11	28
19	12
7	45
24	28
10	18
1	56
18	12
4	52
4	45
22	0
8	45
22	26
5	50
11	16
18	12
10	26
20	8
10	42
17	16
10	25
17	24
20	12
10	40
3	45
15	26
4	37
2	45
9	17
16	24
13	17
12	12
19	26
7	18
10	5
7	6
11	5
19	24
1	50
17	22
3	29
21	4
5	18
10	12
9	12
9	29
19	22
8	12
3	24
1	26
13	25
16	16
7	5
1	37
7	25
10	2
2	38
7	12
5	16
3	16
34	4
13	4
19	4
5	20
11	12
5	12
3	36