Extreme rain in United States, 8 to 14 May 2021

Name: Extreme rain in United States, 8 to 14 May 2021
Start: 2021-05-08
End: 2021-05-14
Location: United States

Extreme rain in United States, 8 to 14 May 2021: 263 records at 255 stations, peak on 10 May 2021. Closed.

Data as of 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Key Facts

Extreme rain in United States, 8 to 14 May 2021 set or tied 263 station records at 255 stations.
It ran from 8 May 2021 to 14 May 2021 (7 days) and its peak day was 10 May 2021.
Status: closed.
Jeanerette 5 NW set a daily record precipitation of 149.9 mm (5.9 in) on 12 May 2021.
The busiest day was 10 May 2021 with 99 records.
The oldest broken record in the ranked list had stood for 132 years.

Footprint

8 to 14 May 2021

The area covered by Extreme rain in United States, 8 to 14 May 2021 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, 8 to 14 May 2021: stations that set records in the event
Station	Type	Value	Date
Jeanerette 5 NW	Record daily precipitation	149.9 mm (5.9 in)	2021-05-12
San Augustine	Record daily precipitation	109.2 mm (4.3 in)	2021-05-10
Bucyrus	Record daily precipitation	69.6 mm (2.7 in)	2021-05-10
Wooster Exp STN	Record daily precipitation	50.3 mm (2.0 in)	2021-05-09
New Orleans Audubon	Record daily precipitation	129.3 mm (5.1 in)	2021-05-10
Bowling Green Wwtp	Record daily precipitation	36.1 mm (1.4 in)	2021-05-09
Millersburg	Record daily precipitation	45.7 mm (1.8 in)	2021-05-10
Parr	Record daily precipitation	63.0 mm (2.5 in)	2021-05-12
Homer 1N	Record daily precipitation	80.3 mm (3.2 in)	2021-05-10
Many 9 WSW	Record daily precipitation	144.8 mm (5.7 in)	2021-05-10
Renovo	Record daily precipitation	40.4 mm (1.6 in)	2021-05-10
Lufkin Angelina Co AP	Record daily precipitation	91.2 mm (3.6 in)	2021-05-09
Clarion 3 SW	Record daily precipitation	54.6 mm (2.1 in)	2021-05-10
Abbeville	Record daily precipitation	97.8 mm (3.9 in)	2021-05-12
Farmland 5 NNW	Record daily precipitation	57.2 mm (2.3 in)	2021-05-10
State College	Record daily precipitation	30.0 mm (1.2 in)	2021-05-10
Crockett	Record daily precipitation	74.2 mm (2.9 in)	2021-05-10
Mackinaw 3WSW	Record daily precipitation	48.5 mm (1.9 in)	2021-05-09
Putneyville 2 SE Dam	Record daily precipitation	49.5 mm (1.9 in)	2021-05-10
Le Claire L&D 14	Record daily precipitation	38.6 mm (1.5 in)	2021-05-09

Records per Day

Peak day 99

Records set or tied each day from 8 May 2021 to 14 May 2021. The most in one day was 99 on 10 May 2021.

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in United States, 8 to 14 May 2021 ranked by margin
Many 9 WSW, 05-10	104.7 mm (4.1 in)
Jeanerette 5 NW, 05-12	86.9 mm (3.4 in)
San Augustine, 05-10	57.1 mm (2.2 in)
New Orleans Audubon, 05-10	56.4 mm (2.2 in)
Homer 1N, 05-10	49.8 mm (2.0 in)
Abbeville, 05-12	46.5 mm (1.8 in)
Parr, 05-12	38.4 mm (1.5 in)
Lufkin Angelina Co AP, 05-09	29.0 mm (1.1 in)
Wooster Exp STN, 05-09	28.5 mm (1.1 in)
Clarion 3 SW, 05-10	28.2 mm (1.1 in)
Putneyville 2 SE Dam, 05-10	25.1 mm (1.0 in)
Crockett, 05-10	21.9 mm (0.9 in)
Bucyrus, 05-10	21.3 mm (0.8 in)
Mackinaw 3WSW, 05-09	21.3 mm (0.8 in)
Farmland 5 NNW, 05-10	16.6 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

263 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, 8 to 14 May 2021
Margin (mm)	Years the old record stood
87	62
57	104
21	112
29	52
56	87
12	112
11	102
38	48
50	52
105	28
15	86
28	32
29	88
47	71
17	70
7	132
22	91
21	66
25	32
17	71
4	112
5	112
25	24
37	62
29	18
10	78
6	88
13	71
32	18
15	64
40	26
6	86
9	76
0	116
1	112
11	60
11	68
27	18
15	68
5	86
6	59
20	32
23	18
7	64
25	18
3	88
17	47
16	64
15	72
55	24
7	72
19	24
6	76
12	68
3	78
31	26
17	62
5	70
21	18
22	26
8	70
16	32
9	62
3	78
22	18
11	72
5	71
15	18
16	32
21	2
19	32
24	24
42	35
4	64
4	71
2	76
10	62
9	55
21	18
16	24
17	18
1	71
4	72
16	20
11	32
2	71
33	2
12	35
14	40
9	56
17	24
9	47
42	26
3	31
18	18
15	18
1	70
10	47
13	24
18	18
33	8
1	56
16	18
9	56
15	35
4	55
14	36
19	4
14	18
13	20
33	8
1	54
26	2
7	56
4	48
13	26
7	32
11	20
11	24
3	51
18	40
1	60
12	24
7	50
25	16
12	26
9	18
8	18
11	24
9	42
23	28
9	24
3	40
29	8
9	8
1	50
15	15
9	18
7	48
1	48
12	18
13	6
8	32
11	24
6	24
8	26
4	36
10	26
23	4
1	48
6	20
10	18
12	32
2	32
17	27
25	2
9	23
7	23
17	15
9	18
5	18
3	24
8	28
8	16
8	30
1	40
12	18
7	28
24	2
8	15
1	40
15	12
3	18
4	15
3	31
7	18
12	6
8	28
4	20
5	23
9	2
4	26
12	19
4	19
4	18
7	12
6	2
4	23
9	8
2	34
12	12
17	28
1	32
11	2
9	18
1	18
1	18
6	12
6	27
3	19

Compared With Other Events

Station records per event

Station records in Extreme rain in United States, 8 to 14 May 2021 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, 8 to 14 May 2021 (this event)	263 records

Every Record Set

20 of 263

Every record set or tied during Extreme rain in United States, 8 to 14 May 2021, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2021-05-09	Wooster Exp STN	Record daily precipitation	50.3 mm (2.0 in)	28.5 mm (1.1 in)	52	57 of 100 (Notable)
2021-05-09	Bowling Green Wwtp	Record daily precipitation	36.1 mm (1.4 in)	12.2 mm (0.5 in)	112	53 of 100 (Notable)
2021-05-09	Lufkin Angelina Co AP	Record daily precipitation	91.2 mm (3.6 in)	29.0 mm (1.1 in)	88	50 of 100 (Notable)
2021-05-09	Mackinaw 3WSW	Record daily precipitation	48.5 mm (1.9 in)	21.3 mm (0.8 in)	66	46 of 100 (Notable)
2021-05-09	Le Claire L&D 14	Record daily precipitation	38.6 mm (1.5 in)	16.5 mm (0.6 in)	71	44 of 100 (Notable)
2021-05-10	San Augustine	Record daily precipitation	109.2 mm (4.3 in)	57.1 mm (2.2 in)	104	66 of 100 (Major)
2021-05-10	Bucyrus	Record daily precipitation	69.6 mm (2.7 in)	21.3 mm (0.8 in)	112	63 of 100 (Major)
2021-05-10	New Orleans Audubon	Record daily precipitation	129.3 mm (5.1 in)	56.4 mm (2.2 in)	87	57 of 100 (Notable)
2021-05-10	Millersburg	Record daily precipitation	45.7 mm (1.8 in)	10.9 mm (0.4 in)	102	52 of 100 (Notable)
2021-05-10	Homer 1N	Record daily precipitation	80.3 mm (3.2 in)	49.8 mm (2.0 in)	52	51 of 100 (Notable)
2021-05-10	Many 9 WSW	Record daily precipitation	144.8 mm (5.7 in)	104.7 mm (4.1 in)	28	51 of 100 (Notable)
2021-05-10	Renovo	Record daily precipitation	40.4 mm (1.6 in)	15.0 mm (0.6 in)	86	51 of 100 (Notable)
2021-05-10	Clarion 3 SW	Record daily precipitation	54.6 mm (2.1 in)	28.2 mm (1.1 in)	32	50 of 100 (Notable)
2021-05-10	Farmland 5 NNW	Record daily precipitation	57.2 mm (2.3 in)	16.6 mm (0.7 in)	70	48 of 100 (Notable)
2021-05-10	State College	Record daily precipitation	30.0 mm (1.2 in)	7.1 mm (0.28 in)	132	48 of 100 (Notable)
2021-05-10	Crockett	Record daily precipitation	74.2 mm (2.9 in)	21.9 mm (0.9 in)	91	47 of 100 (Notable)
2021-05-10	Putneyville 2 SE Dam	Record daily precipitation	49.5 mm (1.9 in)	25.1 mm (1.0 in)	32	45 of 100 (Notable)
2021-05-12	Jeanerette 5 NW	Record daily precipitation	149.9 mm (5.9 in)	86.9 mm (3.4 in)	62	67 of 100 (Major)
2021-05-12	Parr	Record daily precipitation	63.0 mm (2.5 in)	38.4 mm (1.5 in)	48	52 of 100 (Notable)
2021-05-12	Abbeville	Record daily precipitation	97.8 mm (3.9 in)	46.5 mm (1.8 in)	71	49 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 263 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 2026-10-18. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.

Date	Records
2021-05-08	9
2021-05-09	96
2021-05-10	99
2021-05-11	19
2021-05-12	37
2021-05-13	2
2021-05-14	1

Margin (mm)	Years the old record stood
87	62
57	104
21	112
29	52
56	87
12	112
11	102
38	48
50	52
105	28
15	86
28	32
29	88
47	71
17	70
7	132
22	91
21	66
25	32
17	71
4	112
5	112
25	24
37	62
29	18
10	78
6	88
13	71
32	18
15	64
40	26
6	86
9	76
0	116
1	112
11	60
11	68
27	18
15	68
5	86
6	59
20	32
23	18
7	64
25	18
3	88
17	47
16	64
15	72
55	24
7	72
19	24
6	76
12	68
3	78
31	26
17	62
5	70
21	18
22	26
8	70
16	32
9	62
3	78
22	18
11	72
5	71
15	18
16	32
21	2
19	32
24	24
42	35
4	64
4	71
2	76
10	62
9	55
21	18
16	24
17	18
1	71
4	72
16	20
11	32
2	71
33	2
12	35
14	40
9	56
17	24
9	47
42	26
3	31
18	18
15	18
1	70
10	47
13	24
18	18
33	8
1	56
16	18
9	56
15	35
4	55
14	36
19	4
14	18
13	20
33	8
1	54
26	2
7	56
4	48
13	26
7	32
11	20
11	24
3	51
18	40
1	60
12	24
7	50
25	16
12	26
9	18
8	18
11	24
9	42
23	28
9	24
3	40
29	8
9	8
1	50
15	15
9	18
7	48
1	48
12	18
13	6
8	32
11	24
6	24
8	26
4	36
10	26
23	4
1	48
6	20
10	18
12	32
2	32
17	27
25	2
9	23
7	23
17	15
9	18
5	18
3	24
8	28
8	16
8	30
1	40
12	18
7	28
24	2
8	15
1	40
15	12
3	18
4	15
3	31
7	18
12	6
8	28
4	20
5	23
9	2
4	26
12	19
4	19
4	18
7	12
6	2
4	23
9	8
2	34
12	12
17	28
1	32
11	2
9	18
1	18
1	18
6	12
6	27
3	19

Margin (mm)	Years the old record stood
87	62
57	104
21	112
29	52
56	87
12	112
11	102
38	48
50	52
105	28
15	86
28	32
29	88
47	71
17	70
7	132
22	91
21	66
25	32
17	71
4	112
5	112
25	24
37	62
29	18
10	78
6	88
13	71
32	18
15	64
40	26
6	86
9	76
0	116
1	112
11	60
11	68
27	18
15	68
5	86
6	59
20	32
23	18
7	64
25	18
3	88
17	47
16	64
15	72
55	24
7	72
19	24
6	76
12	68
3	78
31	26
17	62
5	70
21	18
22	26
8	70
16	32
9	62
3	78
22	18
11	72
5	71
15	18
16	32
21	2
19	32
24	24
42	35
4	64
4	71
2	76
10	62
9	55
21	18
16	24
17	18
1	71
4	72
16	20
11	32
2	71
33	2
12	35
14	40
9	56
17	24
9	47
42	26
3	31
18	18
15	18
1	70
10	47
13	24
18	18
33	8
1	56
16	18
9	56
15	35
4	55
14	36
19	4
14	18
13	20
33	8
1	54
26	2
7	56
4	48
13	26
7	32
11	20
11	24
3	51
18	40
1	60
12	24
7	50
25	16
12	26
9	18
8	18
11	24
9	42
23	28
9	24
3	40
29	8
9	8
1	50
15	15
9	18
7	48
1	48
12	18
13	6
8	32
11	24
6	24
8	26
4	36
10	26
23	4
1	48
6	20
10	18
12	32
2	32
17	27
25	2
9	23
7	23
17	15
9	18
5	18
3	24
8	28
8	16
8	30
1	40
12	18
7	28
24	2
8	15
1	40
15	12
3	18
4	15
3	31
7	18
12	6
8	28
4	20
5	23
9	2
4	26
12	19
4	19
4	18
7	12
6	2
4	23
9	8
2	34
12	12
17	28
1	32
11	2
9	18
1	18
1	18
6	12
6	27
3	19

Margin (mm)	Years the old record stood
87	62
57	104
21	112
29	52
56	87
12	112
11	102
38	48
50	52
105	28
15	86
28	32
29	88
47	71
17	70
7	132
22	91
21	66
25	32
17	71
4	112
5	112
25	24
37	62
29	18
10	78
6	88
13	71
32	18
15	64
40	26
6	86
9	76
0	116
1	112
11	60
11	68
27	18
15	68
5	86
6	59
20	32
23	18
7	64
25	18
3	88
17	47
16	64
15	72
55	24
7	72
19	24
6	76
12	68
3	78
31	26
17	62
5	70
21	18
22	26
8	70
16	32
9	62
3	78
22	18
11	72
5	71
15	18
16	32
21	2
19	32
24	24
42	35
4	64
4	71
2	76
10	62
9	55
21	18
16	24
17	18
1	71
4	72
16	20
11	32
2	71
33	2
12	35
14	40
9	56
17	24
9	47
42	26
3	31
18	18
15	18
1	70
10	47
13	24
18	18
33	8
1	56
16	18
9	56
15	35
4	55
14	36
19	4
14	18
13	20
33	8
1	54
26	2
7	56
4	48
13	26
7	32
11	20
11	24
3	51
18	40
1	60
12	24
7	50
25	16
12	26
9	18
8	18
11	24
9	42
23	28
9	24
3	40
29	8
9	8
1	50
15	15
9	18
7	48
1	48
12	18
13	6
8	32
11	24
6	24
8	26
4	36
10	26
23	4
1	48
6	20
10	18
12	32
2	32
17	27
25	2
9	23
7	23
17	15
9	18
5	18
3	24
8	28
8	16
8	30
1	40
12	18
7	28
24	2
8	15
1	40
15	12
3	18
4	15
3	31
7	18
12	6
8	28
4	20
5	23
9	2
4	26
12	19
4	19
4	18
7	12
6	2
4	23
9	8
2	34
12	12
17	28
1	32
11	2
9	18
1	18
1	18
6	12
6	27
3	19