Extreme rain in United States, 12 to 19 September 2024

Name: Extreme rain in United States, 12 to 19 September 2024
Start: 2024-09-12
End: 2024-09-19
Location: United States

Extreme rain in United States, 12 to 19 September 2024: 319 records at 278 stations, peak on 17 September 2024. Closed.

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

Key Facts

Extreme rain in United States, 12 to 19 September 2024 set or tied 319 station records at 278 stations.
It ran from 12 September 2024 to 19 September 2024 (8 days) and its peak day was 17 September 2024.
Status: closed.
Ft Benton set a daily record precipitation of 39.9 mm (1.6 in) on 19 September 2024.
The busiest day was 17 September 2024 with 123 records.
The oldest broken record in the ranked list had stood for 127 years.

Footprint

12 to 19 September 2024

The area covered by Extreme rain in United States, 12 to 19 September 2024 is outlined, with 19 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Extreme rain in United States, 12 to 19 September 2024: stations that set records in the event
Station	Type	Value	Date
Ft Benton	Record daily precipitation	39.9 mm (1.6 in)	2024-09-19
Chinook	Record daily precipitation	61.0 mm (2.4 in)	2024-09-19
Choteau	Record daily precipitation	48.3 mm (1.9 in)	2024-09-17
Lewistown AP	Record daily precipitation	110.5 mm (4.4 in)	2024-09-18
Cando 1E	Record daily precipitation	58.4 mm (2.3 in)	2024-09-17
Highwood 7 NE	Record daily precipitation	94.0 mm (3.7 in)	2024-09-18
Crystal Lake	Record daily precipitation	182.9 mm (7.2 in)	2024-09-18
Picabo	Record daily precipitation	76.2 mm (3.0 in)	2024-09-16
Mackay Lost Rvr Rs	Record daily precipitation	29.7 mm (1.2 in)	2024-09-17
Collyer 10 S	Record daily precipitation	116.6 mm (4.6 in)	2024-09-17
Drake 9 NE	Record daily precipitation	88.1 mm (3.5 in)	2024-09-17
S Fork Shields	Record daily precipitation	73.7 mm (2.9 in)	2024-09-18
Shonkin 7 S	Record daily precipitation	138.9 mm (5.5 in)	2024-09-18
Baudette	Record daily precipitation	42.7 mm (1.7 in)	2024-09-17
Riverdale	Record daily precipitation	50.8 mm (2.0 in)	2024-09-17
Evening Star	Record daily precipitation	66.0 mm (2.6 in)	2024-09-18
Havre AP ASOS	Record daily precipitation	38.6 mm (1.5 in)	2024-09-18
Goldbutte 7 N	Record daily precipitation	30.7 mm (1.2 in)	2024-09-19
Brady 27 ENE (the Knees)	Record daily precipitation	33.5 mm (1.3 in)	2024-09-19

Records per Day

Peak day 123

Records set or tied each day from 12 September 2024 to 19 September 2024. The most in one day was 123 on 17 September 2024.

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in United States, 12 to 19 September 2024 ranked by margin
Collyer 10 S, 09-17	98.1 mm (3.9 in)
Shonkin 7 S, 09-18	83.0 mm (3.3 in)
Crystal Lake, 09-18	53.4 mm (2.1 in)
Picabo, 09-16	47.0 mm (1.9 in)
Cando 1E, 09-17	43.2 mm (1.7 in)
Chinook, 09-18	41.9 mm (1.6 in)
Drake 9 NE, 09-17	40.3 mm (1.6 in)
Highwood 7 NE, 09-18	39.1 mm (1.5 in)
Riverdale, 09-17	37.6 mm (1.5 in)
Chinook, 09-19	34.3 mm (1.4 in)
Evening Star, 09-18	33.0 mm (1.3 in)
Choteau, 09-17	29.8 mm (1.2 in)
S Fork Shields, 09-18	28.0 mm (1.1 in)
Lewistown AP, 09-18	25.7 mm (1.0 in)
Brady 27 ENE (the Knees), 09-19	25.1 mm (1.0 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

319 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, 12 to 19 September 2024
Margin (mm)	Years the old record stood
25	114
34	99
30	82
26	10
43	74
39	41
53	11
13	116
47	33
98	57
40	30
42	39
28	39
83	36
15	101
15	90
38	59
33	6
23	35
25	38
29	1
44	35
32	19
50	10
29	22
15	38
61	11
6	105
18	29
14	101
16	46
16	84
21	58
13	80
19	22
32	9
9	76
5	117
36	9
25	39
22	41
18	35
19	3
27	46
13	31
23	28
8	46
2	52
4	102
8	77
2	105
18	35
18	31
12	68
0	127
16	17
1	99
16	46
5	54
4	83
14	53
2	96
13	8
18	4
18	28
13	39
11	36
21	56
16	8
4	84
15	11
15	7
8	63
11	48
11	7
6	70
1	58
4	76
36	11
25	43
20	22
18	31
2	80
8	61
22	8
15	27
23	11
20	28
3	83
9	48
2	46
5	36
11	40
10	60
16	39
14	26
2	74
19	10
0	84
6	63
35	13
1	10
4	39
5	70
9	46
36	2
8	48
1	77
15	11
5	34
4	63
7	56
15	17
6	64
14	20
8	54
18	42
10	38
15	10
8	54
8	53
4	63
21	7
6	57
8	44
3	44
20	9
5	38
2	61
11	39
15	22
2	67
6	53
11	53
5	41
17	33
18	9
1	63
10	39
8	39
3	63
14	26
7	35
12	38
2	16
5	35
8	23
8	43
4	48
3	46
7	56
19	23
7	36
1	54
1	57
10	35
10	39
15	11
8	42
2	63
3	58
17	23
3	46
4	38
20	11
15	25
8	39
15	9
5	10
7	22
5	46
6	49
8	34
13	17
10	28
5	41
8	17
3	47
11	28
0	56
6	27
10	17
8	34
15	17
10	25
10	35
8	35
13	11
9	28
2	47
7	38
18	13
8	36
13	22
10	39
8	23
5	35
8	13
8	25
5	1

Compared With Other Events

Station records per event

Station records in Extreme rain in United States, 12 to 19 September 2024 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, 12 to 19 September 2024 (this event)	319 records

Every Record Set

20 of 319

Every record set or tied during Extreme rain in United States, 12 to 19 September 2024, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2024-09-16	Picabo	Record daily precipitation	76.2 mm (3.0 in)	47.0 mm (1.9 in)	33	65 of 100 (Major)
2024-09-17	Choteau	Record daily precipitation	48.3 mm (1.9 in)	29.8 mm (1.2 in)	82	74 of 100 (Major)
2024-09-17	Cando 1E	Record daily precipitation	58.4 mm (2.3 in)	43.2 mm (1.7 in)	74	72 of 100 (Major)
2024-09-17	Mackay Lost Rvr Rs	Record daily precipitation	29.7 mm (1.2 in)	12.9 mm (0.5 in)	116	65 of 100 (Major)
2024-09-17	Collyer 10 S	Record daily precipitation	116.6 mm (4.6 in)	98.1 mm (3.9 in)	57	65 of 100 (Major)
2024-09-17	Drake 9 NE	Record daily precipitation	88.1 mm (3.5 in)	40.3 mm (1.6 in)	30	65 of 100 (Major)
2024-09-17	Baudette	Record daily precipitation	42.7 mm (1.7 in)	15.3 mm (0.6 in)	101	56 of 100 (Notable)
2024-09-17	Riverdale	Record daily precipitation	50.8 mm (2.0 in)	37.6 mm (1.5 in)	59	56 of 100 (Notable)
2024-09-18	Lewistown AP	Record daily precipitation	110.5 mm (4.4 in)	25.7 mm (1.0 in)	10	73 of 100 (Major)
2024-09-18	Highwood 7 NE	Record daily precipitation	94.0 mm (3.7 in)	39.1 mm (1.5 in)	41	69 of 100 (Major)
2024-09-18	Crystal Lake	Record daily precipitation	182.9 mm (7.2 in)	53.4 mm (2.1 in)	11	67 of 100 (Major)
2024-09-18	Chinook	Record daily precipitation	66.0 mm (2.6 in)	41.9 mm (1.6 in)	39	61 of 100 (Major)
2024-09-18	S Fork Shields	Record daily precipitation	73.7 mm (2.9 in)	28.0 mm (1.1 in)	39	61 of 100 (Major)
2024-09-18	Shonkin 7 S	Record daily precipitation	138.9 mm (5.5 in)	83.0 mm (3.3 in)	36	57 of 100 (Notable)
2024-09-18	Evening Star	Record daily precipitation	66.0 mm (2.6 in)	33.0 mm (1.3 in)	6	56 of 100 (Notable)
2024-09-18	Havre AP ASOS	Record daily precipitation	38.6 mm (1.5 in)	22.6 mm (0.9 in)	35	56 of 100 (Notable)
2024-09-19	Ft Benton	Record daily precipitation	39.9 mm (1.6 in)	24.7 mm (1.0 in)	114	80 of 100 (Exceptional)
2024-09-19	Chinook	Record daily precipitation	61.0 mm (2.4 in)	34.3 mm (1.4 in)	99	78 of 100 (Major)
2024-09-19	Goldbutte 7 N	Record daily precipitation	30.7 mm (1.2 in)	15.0 mm (0.6 in)	90	56 of 100 (Notable)
2024-09-19	Brady 27 ENE (the Knees)	Record daily precipitation	33.5 mm (1.3 in)	25.1 mm (1.0 in)	38	54 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 319 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.

Date	Records
2024-09-12	1
2024-09-13	4
2024-09-14	7
2024-09-15	6
2024-09-16	68
2024-09-17	123
2024-09-18	92
2024-09-19	18

Margin (mm)	Years the old record stood
25	114
34	99
30	82
26	10
43	74
39	41
53	11
13	116
47	33
98	57
40	30
42	39
28	39
83	36
15	101
15	90
38	59
33	6
23	35
25	38
29	1
44	35
32	19
50	10
29	22
15	38
61	11
6	105
18	29
14	101
16	46
16	84
21	58
13	80
19	22
32	9
9	76
5	117
36	9
25	39
22	41
18	35
19	3
27	46
13	31
23	28
8	46
2	52
4	102
8	77
2	105
18	35
18	31
12	68
0	127
16	17
1	99
16	46
5	54
4	83
14	53
2	96
13	8
18	4
18	28
13	39
11	36
21	56
16	8
4	84
15	11
15	7
8	63
11	48
11	7
6	70
1	58
4	76
36	11
25	43
20	22
18	31
2	80
8	61
22	8
15	27
23	11
20	28
3	83
9	48
2	46
5	36
11	40
10	60
16	39
14	26
2	74
19	10
0	84
6	63
35	13
1	10
4	39
5	70
9	46
36	2
8	48
1	77
15	11
5	34
4	63
7	56
15	17
6	64
14	20
8	54
18	42
10	38
15	10
8	54
8	53
4	63
21	7
6	57
8	44
3	44
20	9
5	38
2	61
11	39
15	22
2	67
6	53
11	53
5	41
17	33
18	9
1	63
10	39
8	39
3	63
14	26
7	35
12	38
2	16
5	35
8	23
8	43
4	48
3	46
7	56
19	23
7	36
1	54
1	57
10	35
10	39
15	11
8	42
2	63
3	58
17	23
3	46
4	38
20	11
15	25
8	39
15	9
5	10
7	22
5	46
6	49
8	34
13	17
10	28
5	41
8	17
3	47
11	28
0	56
6	27
10	17
8	34
15	17
10	25
10	35
8	35
13	11
9	28
2	47
7	38
18	13
8	36
13	22
10	39
8	23
5	35
8	13
8	25
5	1

Margin (mm)	Years the old record stood
25	114
34	99
30	82
26	10
43	74
39	41
53	11
13	116
47	33
98	57
40	30
42	39
28	39
83	36
15	101
15	90
38	59
33	6
23	35
25	38
29	1
44	35
32	19
50	10
29	22
15	38
61	11
6	105
18	29
14	101
16	46
16	84
21	58
13	80
19	22
32	9
9	76
5	117
36	9
25	39
22	41
18	35
19	3
27	46
13	31
23	28
8	46
2	52
4	102
8	77
2	105
18	35
18	31
12	68
0	127
16	17
1	99
16	46
5	54
4	83
14	53
2	96
13	8
18	4
18	28
13	39
11	36
21	56
16	8
4	84
15	11
15	7
8	63
11	48
11	7
6	70
1	58
4	76
36	11
25	43
20	22
18	31
2	80
8	61
22	8
15	27
23	11
20	28
3	83
9	48
2	46
5	36
11	40
10	60
16	39
14	26
2	74
19	10
0	84
6	63
35	13
1	10
4	39
5	70
9	46
36	2
8	48
1	77
15	11
5	34
4	63
7	56
15	17
6	64
14	20
8	54
18	42
10	38
15	10
8	54
8	53
4	63
21	7
6	57
8	44
3	44
20	9
5	38
2	61
11	39
15	22
2	67
6	53
11	53
5	41
17	33
18	9
1	63
10	39
8	39
3	63
14	26
7	35
12	38
2	16
5	35
8	23
8	43
4	48
3	46
7	56
19	23
7	36
1	54
1	57
10	35
10	39
15	11
8	42
2	63
3	58
17	23
3	46
4	38
20	11
15	25
8	39
15	9
5	10
7	22
5	46
6	49
8	34
13	17
10	28
5	41
8	17
3	47
11	28
0	56
6	27
10	17
8	34
15	17
10	25
10	35
8	35
13	11
9	28
2	47
7	38
18	13
8	36
13	22
10	39
8	23
5	35
8	13
8	25
5	1

Margin (mm)	Years the old record stood
25	114
34	99
30	82
26	10
43	74
39	41
53	11
13	116
47	33
98	57
40	30
42	39
28	39
83	36
15	101
15	90
38	59
33	6
23	35
25	38
29	1
44	35
32	19
50	10
29	22
15	38
61	11
6	105
18	29
14	101
16	46
16	84
21	58
13	80
19	22
32	9
9	76
5	117
36	9
25	39
22	41
18	35
19	3
27	46
13	31
23	28
8	46
2	52
4	102
8	77
2	105
18	35
18	31
12	68
0	127
16	17
1	99
16	46
5	54
4	83
14	53
2	96
13	8
18	4
18	28
13	39
11	36
21	56
16	8
4	84
15	11
15	7
8	63
11	48
11	7
6	70
1	58
4	76
36	11
25	43
20	22
18	31
2	80
8	61
22	8
15	27
23	11
20	28
3	83
9	48
2	46
5	36
11	40
10	60
16	39
14	26
2	74
19	10
0	84
6	63
35	13
1	10
4	39
5	70
9	46
36	2
8	48
1	77
15	11
5	34
4	63
7	56
15	17
6	64
14	20
8	54
18	42
10	38
15	10
8	54
8	53
4	63
21	7
6	57
8	44
3	44
20	9
5	38
2	61
11	39
15	22
2	67
6	53
11	53
5	41
17	33
18	9
1	63
10	39
8	39
3	63
14	26
7	35
12	38
2	16
5	35
8	23
8	43
4	48
3	46
7	56
19	23
7	36
1	54
1	57
10	35
10	39
15	11
8	42
2	63
3	58
17	23
3	46
4	38
20	11
15	25
8	39
15	9
5	10
7	22
5	46
6	49
8	34
13	17
10	28
5	41
8	17
3	47
11	28
0	56
6	27
10	17
8	34
15	17
10	25
10	35
8	35
13	11
9	28
2	47
7	38
18	13
8	36
13	22
10	39
8	23
5	35
8	13
8	25
5	1