Extreme rain in United States, 29 September to 7 October 2023

Name: Extreme rain in United States, 29 September to 7 October 2023
Start: 2023-09-29
End: 2023-10-07
Location: United States

Extreme rain in United States, 29 September to 7 October 2023: 410 records at 391 stations, peak on 5 October 2023. Closed.

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

Key Facts

Extreme rain in United States, 29 September to 7 October 2023 set or tied 410 station records at 391 stations.
It ran from 29 September 2023 to 7 October 2023 (9 days) and its peak day was 5 October 2023.
Status: closed.
Saint Anthony set a monthly record daily precipitation of 48.3 mm (1.9 in) on 1 October 2023.
The busiest day was 5 October 2023 with 90 records.
The oldest broken record in the ranked list had stood for 125 years.

Footprint

29 September to 7 October 2023

The area covered by Extreme rain in United States, 29 September to 7 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, 29 September to 7 October 2023: stations that set records in the event
Station	Type	Value	Date
Saint Anthony	Record daily precipitation	48.3 mm (1.9 in)	2023-10-01
Ardmore	Record daily precipitation	90.2 mm (3.6 in)	2023-10-05
Mammoth Spring	Record daily precipitation	91.4 mm (3.6 in)	2023-10-05
Raton Muni Crews Fld AP	Record daily precipitation	34.0 mm (1.3 in)	2023-09-30
Afton	Record daily precipitation	28.4 mm (1.1 in)	2023-10-03
Fallon Naas	Record daily precipitation	30.2 mm (1.2 in)	2023-09-30
Beowawe 49S - U of N Rch	Record daily precipitation	25.4 mm (1.0 in)	2023-10-01
Driggs	Record daily precipitation	45.0 mm (1.8 in)	2023-10-03
Lakin	Record daily precipitation	26.7 mm (1.1 in)	2023-10-03
New Boston	Record daily precipitation	197.6 mm (7.8 in)	2023-10-05
Lake Maloya	Record daily precipitation	32.0 mm (1.3 in)	2023-10-01
Richfield 10 WSW	Record daily precipitation	35.3 mm (1.4 in)	2023-10-03
Texarkana Webb Fld	Record daily precipitation	190.2 mm (7.5 in)	2023-10-04
Salem	Record daily precipitation	73.7 mm (2.9 in)	2023-10-05
Campo 7 S	Record daily precipitation	57.4 mm (2.3 in)	2023-10-03
Brantley Dam	Record daily precipitation	66.8 mm (2.6 in)	2023-10-03
Richfield	Record daily precipitation	44.5 mm (1.8 in)	2023-10-03
Dequeen	Record daily precipitation	86.1 mm (3.4 in)	2023-10-06
Cedarville	Record daily precipitation	20.1 mm (0.8 in)	2023-09-30
Mtn Home AFB	Record daily precipitation	16.8 mm (0.7 in)	2023-10-01

Records per Day

Peak day 90

Records set or tied each day from 29 September 2023 to 7 October 2023. The most in one day was 90 on 5 October 2023.

Records per day during Extreme rain in United States, 29 September to 7 October 2023
Date	Records
2023-09-29	4
2023-09-30	61
2023-10-01	51
2023-10-02	65
2023-10-03	74
2023-10-04	54
2023-10-05	90
2023-10-06	10
2023-10-07	1

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in United States, 29 September to 7 October 2023 ranked by margin
Texarkana Webb Fld, 10-04	118.6 mm (4.7 in)
New Boston, 10-05	76.2 mm (3.0 in)
Brantley Dam, 10-03	65.3 mm (2.6 in)
Ardmore, 10-05	62.3 mm (2.5 in)
Campo 7 S, 10-03	46.7 mm (1.8 in)
Dequeen, 10-06	43.7 mm (1.7 in)
Mammoth Spring, 10-05	43.6 mm (1.7 in)
Salem, 10-05	41.7 mm (1.6 in)
Richfield 10 WSW, 10-03	31.0 mm (1.2 in)
Fallon Naas, 09-30	28.4 mm (1.1 in)
Raton Muni Crews Fld AP, 09-30	26.9 mm (1.1 in)
Lake Maloya, 10-01	25.1 mm (1.0 in)
Saint Anthony, 10-01	20.4 mm (0.8 in)
Richfield, 10-03	19.1 mm (0.8 in)
Beowawe 49S - U of N Rch, 10-01	19.0 mm (0.7 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

410 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, 29 September to 7 October 2023
Margin (mm)	Years the old record stood
20	58
62	120
44	112
27	64
18	56
28	33
7	82
18	120
19	38
76	20
31	64
25	64
119	13
42	64
47	38
65	32
9	72
44	68
10	65
19	92
23	41
4	104
7	82
33	68
65	36
70	36
4	125
54	64
5	110
4	104
97	13
75	18
18	44
38	8
88	9
10	112
4	112
14	90
6	109
26	64
41	57
11	10
16	40
23	68
31	20
1	106
9	85
0	112
62	13
49	36
20	40
14	73
1	96
10	38
11	40
50	13
54	18
36	52
6	92
35	56
2	92
7	50
21	68
60	36
17	68
12	68
18	28
5	78
5	76
17	64
8	54
0	92
35	54
16	28
8	68
9	73
1	84
5	49
28	4
25	28
15	40
15	30
13	24
44	32
3	76
5	78
19	24
32	36
36	36
8	64
34	40
1	76
19	37
2	76
36	4
10	44
6	38
1	76
55	24
3	73
14	13
8	28
10	68
8	68
15	40
10	40
20	57
1	7
17	40
7	74
4	74
19	44
24	57
8	38
14	4
13	53
6	52
17	57
19	49
25	36
17	54
10	36
19	62
36	46
34	18
13	24
3	37
8	44
3	73
17	40
1	65
8	41
30	24
6	64
16	36
46	8
13	20
8	28
1	68
1	65
1	72
9	24
15	20
14	24
8	41
15	4
1	64
3	56
3	52
18	4
5	40
2	52
6	41
9	48
3	66
18	44
12	52
2	57
1	56
8	40
4	36
12	9
24	21
3	53
8	26
9	53
16	52
6	52
5	40
12	36
1	52
8	9
28	17
17	24
42	36
6	46
11	8
13	32
10	0
10	6
13	17
18	8
5	42
13	42
6	32
15	5
7	20
2	52
37	18
16	36
5	40
10	8
3	52
16	1
3	49
0	52
25	33
2	57
5	40
5	40

Compared With Other Events

Station records per event

Station records in Extreme rain in United States, 29 September to 7 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, 29 September to 7 October 2023 (this event)	410 records

Every Record Set

20 of 410

Every record set or tied during Extreme rain in United States, 29 September to 7 October 2023, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2023-09-30	Raton Muni Crews Fld AP	Record daily precipitation	34.0 mm (1.3 in)	26.9 mm (1.1 in)	64	60 of 100 (Major)
2023-09-30	Fallon Naas	Record daily precipitation	30.2 mm (1.2 in)	28.4 mm (1.1 in)	33	57 of 100 (Notable)
2023-09-30	Cedarville	Record daily precipitation	20.1 mm (0.8 in)	9.7 mm (0.38 in)	65	20 of 100 (Routine)
2023-10-01	Saint Anthony	Record daily precipitation	48.3 mm (1.9 in)	20.4 mm (0.8 in)	58	74 of 100 (Major)
2023-10-01	Beowawe 49S - U of N Rch	Record daily precipitation	25.4 mm (1.0 in)	19.0 mm (0.7 in)	38	55 of 100 (Notable)
2023-10-01	Lake Maloya	Record daily precipitation	32.0 mm (1.3 in)	25.1 mm (1.0 in)	64	54 of 100 (Notable)
2023-10-01	Mtn Home AFB	Record daily precipitation	16.8 mm (0.7 in)	8.7 mm (0.34 in)	72	20 of 100 (Routine)
2023-10-03	Afton	Record daily precipitation	28.4 mm (1.1 in)	17.5 mm (0.7 in)	56	58 of 100 (Notable)
2023-10-03	Driggs	Record daily precipitation	45.0 mm (1.8 in)	6.9 mm (0.27 in)	82	55 of 100 (Notable)
2023-10-03	Lakin	Record daily precipitation	26.7 mm (1.1 in)	18.3 mm (0.7 in)	120	55 of 100 (Notable)
2023-10-03	Richfield 10 WSW	Record daily precipitation	35.3 mm (1.4 in)	31.0 mm (1.2 in)	64	54 of 100 (Notable)
2023-10-03	Campo 7 S	Record daily precipitation	57.4 mm (2.3 in)	46.7 mm (1.8 in)	38	52 of 100 (Notable)
2023-10-03	Brantley Dam	Record daily precipitation	66.8 mm (2.6 in)	65.3 mm (2.6 in)	32	52 of 100 (Notable)
2023-10-03	Richfield	Record daily precipitation	44.5 mm (1.8 in)	19.1 mm (0.8 in)	92	51 of 100 (Notable)
2023-10-04	Texarkana Webb Fld	Record daily precipitation	190.2 mm (7.5 in)	118.6 mm (4.7 in)	13	54 of 100 (Notable)
2023-10-05	Ardmore	Record daily precipitation	90.2 mm (3.6 in)	62.3 mm (2.5 in)	120	69 of 100 (Major)
2023-10-05	Mammoth Spring	Record daily precipitation	91.4 mm (3.6 in)	43.6 mm (1.7 in)	112	68 of 100 (Major)
2023-10-05	New Boston	Record daily precipitation	197.6 mm (7.8 in)	76.2 mm (3.0 in)	20	55 of 100 (Notable)
2023-10-05	Salem	Record daily precipitation	73.7 mm (2.9 in)	41.7 mm (1.6 in)	64	53 of 100 (Notable)
2023-10-06	Dequeen	Record daily precipitation	86.1 mm (3.4 in)	43.7 mm (1.7 in)	68	51 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 410 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
20	58
62	120
44	112
27	64
18	56
28	33
7	82
18	120
19	38
76	20
31	64
25	64
119	13
42	64
47	38
65	32
9	72
44	68
10	65
19	92
23	41
4	104
7	82
33	68
65	36
70	36
4	125
54	64
5	110
4	104
97	13
75	18
18	44
38	8
88	9
10	112
4	112
14	90
6	109
26	64
41	57
11	10
16	40
23	68
31	20
1	106
9	85
0	112
62	13
49	36
20	40
14	73
1	96
10	38
11	40
50	13
54	18
36	52
6	92
35	56
2	92
7	50
21	68
60	36
17	68
12	68
18	28
5	78
5	76
17	64
8	54
0	92
35	54
16	28
8	68
9	73
1	84
5	49
28	4
25	28
15	40
15	30
13	24
44	32
3	76
5	78
19	24
32	36
36	36
8	64
34	40
1	76
19	37
2	76
36	4
10	44
6	38
1	76
55	24
3	73
14	13
8	28
10	68
8	68
15	40
10	40
20	57
1	7
17	40
7	74
4	74
19	44
24	57
8	38
14	4
13	53
6	52
17	57
19	49
25	36
17	54
10	36
19	62
36	46
34	18
13	24
3	37
8	44
3	73
17	40
1	65
8	41
30	24
6	64
16	36
46	8
13	20
8	28
1	68
1	65
1	72
9	24
15	20
14	24
8	41
15	4
1	64
3	56
3	52
18	4
5	40
2	52
6	41
9	48
3	66
18	44
12	52
2	57
1	56
8	40
4	36
12	9
24	21
3	53
8	26
9	53
16	52
6	52
5	40
12	36
1	52
8	9
28	17
17	24
42	36
6	46
11	8
13	32
10	0
10	6
13	17
18	8
5	42
13	42
6	32
15	5
7	20
2	52
37	18
16	36
5	40
10	8
3	52
16	1
3	49
0	52
25	33
2	57
5	40
5	40

Margin (mm)	Years the old record stood
20	58
62	120
44	112
27	64
18	56
28	33
7	82
18	120
19	38
76	20
31	64
25	64
119	13
42	64
47	38
65	32
9	72
44	68
10	65
19	92
23	41
4	104
7	82
33	68
65	36
70	36
4	125
54	64
5	110
4	104
97	13
75	18
18	44
38	8
88	9
10	112
4	112
14	90
6	109
26	64
41	57
11	10
16	40
23	68
31	20
1	106
9	85
0	112
62	13
49	36
20	40
14	73
1	96
10	38
11	40
50	13
54	18
36	52
6	92
35	56
2	92
7	50
21	68
60	36
17	68
12	68
18	28
5	78
5	76
17	64
8	54
0	92
35	54
16	28
8	68
9	73
1	84
5	49
28	4
25	28
15	40
15	30
13	24
44	32
3	76
5	78
19	24
32	36
36	36
8	64
34	40
1	76
19	37
2	76
36	4
10	44
6	38
1	76
55	24
3	73
14	13
8	28
10	68
8	68
15	40
10	40
20	57
1	7
17	40
7	74
4	74
19	44
24	57
8	38
14	4
13	53
6	52
17	57
19	49
25	36
17	54
10	36
19	62
36	46
34	18
13	24
3	37
8	44
3	73
17	40
1	65
8	41
30	24
6	64
16	36
46	8
13	20
8	28
1	68
1	65
1	72
9	24
15	20
14	24
8	41
15	4
1	64
3	56
3	52
18	4
5	40
2	52
6	41
9	48
3	66
18	44
12	52
2	57
1	56
8	40
4	36
12	9
24	21
3	53
8	26
9	53
16	52
6	52
5	40
12	36
1	52
8	9
28	17
17	24
42	36
6	46
11	8
13	32
10	0
10	6
13	17
18	8
5	42
13	42
6	32
15	5
7	20
2	52
37	18
16	36
5	40
10	8
3	52
16	1
3	49
0	52
25	33
2	57
5	40
5	40

Margin (mm)	Years the old record stood
20	58
62	120
44	112
27	64
18	56
28	33
7	82
18	120
19	38
76	20
31	64
25	64
119	13
42	64
47	38
65	32
9	72
44	68
10	65
19	92
23	41
4	104
7	82
33	68
65	36
70	36
4	125
54	64
5	110
4	104
97	13
75	18
18	44
38	8
88	9
10	112
4	112
14	90
6	109
26	64
41	57
11	10
16	40
23	68
31	20
1	106
9	85
0	112
62	13
49	36
20	40
14	73
1	96
10	38
11	40
50	13
54	18
36	52
6	92
35	56
2	92
7	50
21	68
60	36
17	68
12	68
18	28
5	78
5	76
17	64
8	54
0	92
35	54
16	28
8	68
9	73
1	84
5	49
28	4
25	28
15	40
15	30
13	24
44	32
3	76
5	78
19	24
32	36
36	36
8	64
34	40
1	76
19	37
2	76
36	4
10	44
6	38
1	76
55	24
3	73
14	13
8	28
10	68
8	68
15	40
10	40
20	57
1	7
17	40
7	74
4	74
19	44
24	57
8	38
14	4
13	53
6	52
17	57
19	49
25	36
17	54
10	36
19	62
36	46
34	18
13	24
3	37
8	44
3	73
17	40
1	65
8	41
30	24
6	64
16	36
46	8
13	20
8	28
1	68
1	65
1	72
9	24
15	20
14	24
8	41
15	4
1	64
3	56
3	52
18	4
5	40
2	52
6	41
9	48
3	66
18	44
12	52
2	57
1	56
8	40
4	36
12	9
24	21
3	53
8	26
9	53
16	52
6	52
5	40
12	36
1	52
8	9
28	17
17	24
42	36
6	46
11	8
13	32
10	0
10	6
13	17
18	8
5	42
13	42
6	32
15	5
7	20
2	52
37	18
16	36
5	40
10	8
3	52
16	1
3	49
0	52
25	33
2	57
5	40
5	40