Extreme rain in United States, 22 May to 15 June 2021

Name: Extreme rain in United States, 22 May to 15 June 2021
Start: 2021-05-22
End: 2021-06-15
Location: United States

Extreme rain in United States, 22 May to 15 June 2021: 865 records at 723 stations, peak on 31 May 2021. Closed.

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

Key Facts

Extreme rain in United States, 22 May to 15 June 2021 set or tied 865 station records at 723 stations.
It ran from 22 May 2021 to 15 June 2021 (25 days) and its peak day was 31 May 2021.
Status: closed.
Greeneville Exp STN set a daily record precipitation of 81.8 mm (3.2 in) on 15 June 2021.
The busiest day was 31 May 2021 with 85 records.
The oldest broken record in the ranked list had stood for 139 years.

Footprint

22 May to 15 June 2021

The area covered by Extreme rain in United States, 22 May to 15 June 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, 22 May to 15 June 2021: stations that set records in the event
Station	Type	Value	Date
Greeneville Exp STN	Record daily precipitation	81.8 mm (3.2 in)	2021-06-15
Enid Dam	Record daily precipitation	170.2 mm (6.7 in)	2021-06-09
Greenwood Leflore AP	Record daily precipitation	198.4 mm (7.8 in)	2021-06-10
Rio Grande City	Record daily precipitation	81.3 mm (3.2 in)	2021-06-04
Olton	Record daily precipitation	68.6 mm (2.7 in)	2021-05-25
Maud	Record daily precipitation	120.7 mm (4.8 in)	2021-05-26
Roswell Ind Air Pk	Record daily precipitation	77.0 mm (3.0 in)	2021-05-30
Los Alamos	Record daily precipitation	32.5 mm (1.3 in)	2021-05-31
Abilene Rgnl AP	Record daily precipitation	90.4 mm (3.6 in)	2021-05-31
Blue Hill Coop	Record daily precipitation	55.6 mm (2.2 in)	2021-05-29
Gail	Record daily precipitation	99.6 mm (3.9 in)	2021-05-31
McAllen Miller Intl AP	Record daily precipitation	111.0 mm (4.4 in)	2021-06-03
Newark Liberty Intl AP	Record daily precipitation	55.6 mm (2.2 in)	2021-06-08
Albany	Record daily precipitation	76.2 mm (3.0 in)	2021-06-01
Crandall 8 N	Record daily precipitation	120.1 mm (4.7 in)	2021-06-07
Pedernal 9 E	Record daily precipitation	39.9 mm (1.6 in)	2021-05-31
Ft Worth NAS	Record daily precipitation	77.2 mm (3.0 in)	2021-05-31
Hopkinsville	Record daily precipitation	66.0 mm (2.6 in)	2021-06-02
Kelso	Record daily precipitation	172.5 mm (6.8 in)	2021-06-08
Aliceville	Record daily precipitation	105.4 mm (4.1 in)	2021-06-10

Records per Day

Peak day 85

Records set or tied each day from 22 May 2021 to 15 June 2021. The most in one day was 85 on 31 May 2021.

Records per day during Extreme rain in United States, 22 May to 15 June 2021
Date	Records
2021-05-22	2
2021-05-23	6
2021-05-24	4
2021-05-25	16
2021-05-26	22
2021-05-27	31
2021-05-28	60
2021-05-29	81
2021-05-30	23
2021-05-31	85
2021-06-01	32
2021-06-02	44
2021-06-03	47
2021-06-04	54
2021-06-05	13
2021-06-06	17
2021-06-07	40
2021-06-08	58
2021-06-09	67
2021-06-10	60
2021-06-11	39
2021-06-12	26
2021-06-13	11
2021-06-14	16
2021-06-15	11

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in United States, 22 May to 15 June 2021 ranked by margin
McAllen Miller Intl AP, 06-03	82.8 mm (3.3 in)
Greenwood Leflore AP, 06-10	79.3 mm (3.1 in)
Maud, 05-26	77.0 mm (3.0 in)
Kelso, 06-08	76.0 mm (3.0 in)
Crandall 8 N, 06-07	71.3 mm (2.8 in)
Enid Dam, 06-09	69.1 mm (2.7 in)
Aliceville, 06-10	68.1 mm (2.7 in)
Rio Grande City, 06-04	67.8 mm (2.7 in)
Ft Worth NAS, 05-31	59.7 mm (2.4 in)
Roswell Ind Air Pk, 05-30	55.7 mm (2.2 in)
Abilene Rgnl AP, 05-31	51.3 mm (2.0 in)
Greeneville Exp STN, 06-15	50.0 mm (2.0 in)
Olton, 05-25	43.2 mm (1.7 in)
Gail, 05-31	42.4 mm (1.7 in)
Albany, 06-01	37.3 mm (1.5 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

500 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, 22 May to 15 June 2021
Margin (mm)	Years the old record stood
50	116
69	34
79	40
68	86
77	64
43	76
56	60
15	107
51	72
24	104
42	107
83	59
29	139
71	48
37	99
68	46
76	29
30	104
31	64
60	54
51	67
54	16
80	43
28	96
52	5
62	47
34	120
53	59
41	40
19	104
16	121
8	102
48	44
73	27
27	96
43	23
14	61
17	104
58	47
74	24
31	80
55	59
17	108
40	40
20	108
29	83
54	22
16	104
25	63
38	20
31	67
21	100
35	50
32	20
17	24
29	62
14	122
23	108
22	71
37	21
61	39
33	68
14	94
70	20
11	99
64	10
23	90
27	72
4	99
14	63
71	14
31	59
29	95
17	96
36	62
41	31
39	62
23	88
20	83
50	35
65	32
40	67
45	30
9	127
17	84
8	104
24	36
25	55
34	23
21	74
8	128
9	120
33	59
25	12
28	71
41	36
12	96
11	84
8	116
44	16
8	107
33	4
20	74
25	36
11	92
18	54
26	56
13	70
4	76
5	104
5	112
1	78
28	36
46	15
41	32
5	123
5	104
32	31
3	103
17	51
25	36
25	43
3	104
38	40
66	0
22	66
16	66
39	38
33	40
25	31
41	52
2	126
25	36
28	24
13	75
19	64
30	26
14	67
33	44
13	71
2	115
47	20
12	71
31	38
2	104
1	126
23	51
21	62
0	104
24	44
6	92
2	100
5	92
36	56
19	66
18	54
7	80
39	27
38	32
14	71
15	50
20	36
3	96
30	44
45	4
12	76
13	58
19	66
42	8
13	64
16	64
48	16
18	52
35	32
15	60
1	95
32	52
17	70
35	12
22	58
7	74
6	48
11	70
19	56
37	32
55	0
18	0
1	92
57	16
5	84
34	11
4	84
30	32
6	79
12	60
26	39
13	72
48	7
35	34
3	84

Compared With Other Events

Station records per event

Station records in Extreme rain in United States, 22 May to 15 June 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, 22 May to 15 June 2021 (this event)	865 records

Every Record Set

20 of 865

Every record set or tied during Extreme rain in United States, 22 May to 15 June 2021, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2021-05-25	Olton	Record daily precipitation	68.6 mm (2.7 in)	43.2 mm (1.7 in)	76	66 of 100 (Major)
2021-05-26	Maud	Record daily precipitation	120.7 mm (4.8 in)	77.0 mm (3.0 in)	64	66 of 100 (Major)
2021-05-29	Blue Hill Coop	Record daily precipitation	55.6 mm (2.2 in)	24.4 mm (1.0 in)	104	63 of 100 (Major)
2021-05-30	Roswell Ind Air Pk	Record daily precipitation	77.0 mm (3.0 in)	55.7 mm (2.2 in)	60	65 of 100 (Major)
2021-05-31	Los Alamos	Record daily precipitation	32.5 mm (1.3 in)	14.5 mm (0.6 in)	107	64 of 100 (Major)
2021-05-31	Abilene Rgnl AP	Record daily precipitation	90.4 mm (3.6 in)	51.3 mm (2.0 in)	72	64 of 100 (Major)
2021-05-31	Gail	Record daily precipitation	99.6 mm (3.9 in)	42.4 mm (1.7 in)	107	63 of 100 (Major)
2021-05-31	Pedernal 9 E	Record daily precipitation	39.9 mm (1.6 in)	31.0 mm (1.2 in)	64	61 of 100 (Major)
2021-05-31	Ft Worth NAS	Record daily precipitation	77.2 mm (3.0 in)	59.7 mm (2.4 in)	54	61 of 100 (Major)
2021-06-01	Albany	Record daily precipitation	76.2 mm (3.0 in)	37.3 mm (1.5 in)	99	62 of 100 (Major)
2021-06-02	Hopkinsville	Record daily precipitation	66.0 mm (2.6 in)	30.2 mm (1.2 in)	104	61 of 100 (Major)
2021-06-03	McAllen Miller Intl AP	Record daily precipitation	111.0 mm (4.4 in)	82.8 mm (3.3 in)	59	63 of 100 (Major)
2021-06-04	Rio Grande City	Record daily precipitation	81.3 mm (3.2 in)	67.8 mm (2.7 in)	86	68 of 100 (Major)
2021-06-07	Crandall 8 N	Record daily precipitation	120.1 mm (4.7 in)	71.3 mm (2.8 in)	48	62 of 100 (Major)
2021-06-08	Newark Liberty Intl AP	Record daily precipitation	55.6 mm (2.2 in)	29.2 mm (1.1 in)	139	63 of 100 (Major)
2021-06-08	Kelso	Record daily precipitation	172.5 mm (6.8 in)	76.0 mm (3.0 in)	29	61 of 100 (Major)
2021-06-09	Enid Dam	Record daily precipitation	170.2 mm (6.7 in)	69.1 mm (2.7 in)	34	70 of 100 (Major)
2021-06-10	Greenwood Leflore AP	Record daily precipitation	198.4 mm (7.8 in)	79.3 mm (3.1 in)	40	69 of 100 (Major)
2021-06-10	Aliceville	Record daily precipitation	105.4 mm (4.1 in)	68.1 mm (2.7 in)	46	61 of 100 (Major)
2021-06-15	Greeneville Exp STN	Record daily precipitation	81.8 mm (3.2 in)	50.0 mm (2.0 in)	116	80 of 100 (Exceptional)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 865 records the event counts. The counts above use the full total.

Related Headlines

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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
50	116
69	34
79	40
68	86
77	64
43	76
56	60
15	107
51	72
24	104
42	107
83	59
29	139
71	48
37	99
68	46
76	29
30	104
31	64
60	54
51	67
54	16
80	43
28	96
52	5
62	47
34	120
53	59
41	40
19	104
16	121
8	102
48	44
73	27
27	96
43	23
14	61
17	104
58	47
74	24
31	80
55	59
17	108
40	40
20	108
29	83
54	22
16	104
25	63
38	20
31	67
21	100
35	50
32	20
17	24
29	62
14	122
23	108
22	71
37	21
61	39
33	68
14	94
70	20
11	99
64	10
23	90
27	72
4	99
14	63
71	14
31	59
29	95
17	96
36	62
41	31
39	62
23	88
20	83
50	35
65	32
40	67
45	30
9	127
17	84
8	104
24	36
25	55
34	23
21	74
8	128
9	120
33	59
25	12
28	71
41	36
12	96
11	84
8	116
44	16
8	107
33	4
20	74
25	36
11	92
18	54
26	56
13	70
4	76
5	104
5	112
1	78
28	36
46	15
41	32
5	123
5	104
32	31
3	103
17	51
25	36
25	43
3	104
38	40
66	0
22	66
16	66
39	38
33	40
25	31
41	52
2	126
25	36
28	24
13	75
19	64
30	26
14	67
33	44
13	71
2	115
47	20
12	71
31	38
2	104
1	126
23	51
21	62
0	104
24	44
6	92
2	100
5	92
36	56
19	66
18	54
7	80
39	27
38	32
14	71
15	50
20	36
3	96
30	44
45	4
12	76
13	58
19	66
42	8
13	64
16	64
48	16
18	52
35	32
15	60
1	95
32	52
17	70
35	12
22	58
7	74
6	48
11	70
19	56
37	32
55	0
18	0
1	92
57	16
5	84
34	11
4	84
30	32
6	79
12	60
26	39
13	72
48	7
35	34
3	84

Margin (mm)	Years the old record stood
50	116
69	34
79	40
68	86
77	64
43	76
56	60
15	107
51	72
24	104
42	107
83	59
29	139
71	48
37	99
68	46
76	29
30	104
31	64
60	54
51	67
54	16
80	43
28	96
52	5
62	47
34	120
53	59
41	40
19	104
16	121
8	102
48	44
73	27
27	96
43	23
14	61
17	104
58	47
74	24
31	80
55	59
17	108
40	40
20	108
29	83
54	22
16	104
25	63
38	20
31	67
21	100
35	50
32	20
17	24
29	62
14	122
23	108
22	71
37	21
61	39
33	68
14	94
70	20
11	99
64	10
23	90
27	72
4	99
14	63
71	14
31	59
29	95
17	96
36	62
41	31
39	62
23	88
20	83
50	35
65	32
40	67
45	30
9	127
17	84
8	104
24	36
25	55
34	23
21	74
8	128
9	120
33	59
25	12
28	71
41	36
12	96
11	84
8	116
44	16
8	107
33	4
20	74
25	36
11	92
18	54
26	56
13	70
4	76
5	104
5	112
1	78
28	36
46	15
41	32
5	123
5	104
32	31
3	103
17	51
25	36
25	43
3	104
38	40
66	0
22	66
16	66
39	38
33	40
25	31
41	52
2	126
25	36
28	24
13	75
19	64
30	26
14	67
33	44
13	71
2	115
47	20
12	71
31	38
2	104
1	126
23	51
21	62
0	104
24	44
6	92
2	100
5	92
36	56
19	66
18	54
7	80
39	27
38	32
14	71
15	50
20	36
3	96
30	44
45	4
12	76
13	58
19	66
42	8
13	64
16	64
48	16
18	52
35	32
15	60
1	95
32	52
17	70
35	12
22	58
7	74
6	48
11	70
19	56
37	32
55	0
18	0
1	92
57	16
5	84
34	11
4	84
30	32
6	79
12	60
26	39
13	72
48	7
35	34
3	84

Margin (mm)	Years the old record stood
50	116
69	34
79	40
68	86
77	64
43	76
56	60
15	107
51	72
24	104
42	107
83	59
29	139
71	48
37	99
68	46
76	29
30	104
31	64
60	54
51	67
54	16
80	43
28	96
52	5
62	47
34	120
53	59
41	40
19	104
16	121
8	102
48	44
73	27
27	96
43	23
14	61
17	104
58	47
74	24
31	80
55	59
17	108
40	40
20	108
29	83
54	22
16	104
25	63
38	20
31	67
21	100
35	50
32	20
17	24
29	62
14	122
23	108
22	71
37	21
61	39
33	68
14	94
70	20
11	99
64	10
23	90
27	72
4	99
14	63
71	14
31	59
29	95
17	96
36	62
41	31
39	62
23	88
20	83
50	35
65	32
40	67
45	30
9	127
17	84
8	104
24	36
25	55
34	23
21	74
8	128
9	120
33	59
25	12
28	71
41	36
12	96
11	84
8	116
44	16
8	107
33	4
20	74
25	36
11	92
18	54
26	56
13	70
4	76
5	104
5	112
1	78
28	36
46	15
41	32
5	123
5	104
32	31
3	103
17	51
25	36
25	43
3	104
38	40
66	0
22	66
16	66
39	38
33	40
25	31
41	52
2	126
25	36
28	24
13	75
19	64
30	26
14	67
33	44
13	71
2	115
47	20
12	71
31	38
2	104
1	126
23	51
21	62
0	104
24	44
6	92
2	100
5	92
36	56
19	66
18	54
7	80
39	27
38	32
14	71
15	50
20	36
3	96
30	44
45	4
12	76
13	58
19	66
42	8
13	64
16	64
48	16
18	52
35	32
15	60
1	95
32	52
17	70
35	12
22	58
7	74
6	48
11	70
19	56
37	32
55	0
18	0
1	92
57	16
5	84
34	11
4	84
30	32
6	79
12	60
26	39
13	72
48	7
35	34
3	84