Extreme rain in United States, 19 to 31 May 2023

Name: Extreme rain in United States, 19 to 31 May 2023
Start: 2023-05-19
End: 2023-05-31
Location: United States

Extreme rain in United States, 19 to 31 May 2023: 136 records at 128 stations, peak on 26 May 2023. Closed.

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

Key Facts

Extreme rain in United States, 19 to 31 May 2023 set or tied 136 station records at 128 stations.
It ran from 19 May 2023 to 31 May 2023 (13 days) and its peak day was 26 May 2023.
Status: closed.
Friona set a daily record precipitation of 62.7 mm (2.5 in) on 27 May 2023.
The busiest day was 26 May 2023 with 31 records.
The oldest broken record in the ranked list had stood for 112 years.

Footprint

19 to 31 May 2023

The area covered by Extreme rain in United States, 19 to 31 May 2023 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, 19 to 31 May 2023: stations that set records in the event
Station	Type	Value	Date
Friona	Record daily precipitation	62.7 mm (2.5 in)	2023-05-27
Gate	Record daily precipitation	70.4 mm (2.8 in)	2023-05-23
Coeur D'Alene	Record daily precipitation	38.1 mm (1.5 in)	2023-05-28
Curtis	Record daily precipitation	64.8 mm (2.6 in)	2023-05-26
Floydada	Record daily precipitation	88.9 mm (3.5 in)	2023-05-27
Mc Cook	Record daily precipitation	153.9 mm (6.1 in)	2023-05-26
Hayes Center 1NW	Record daily precipitation	80.5 mm (3.2 in)	2023-05-26
Glendive	Record daily precipitation	33.0 mm (1.3 in)	2023-05-26
Matador	Record daily precipitation	65.5 mm (2.6 in)	2023-05-27
Hereford	Record daily precipitation	66.0 mm (2.6 in)	2023-05-26
Blackfoot Fire Dept	Record daily precipitation	34.3 mm (1.4 in)	2023-05-24
Sidney	Record daily precipitation	51.3 mm (2.0 in)	2023-05-30
Moorcroft 3S	Record daily precipitation	31.5 mm (1.2 in)	2023-05-29
Idaho Falls - Kifi	Record daily precipitation	50.0 mm (2.0 in)	2023-05-23
Norton Dam	Record daily precipitation	72.1 mm (2.8 in)	2023-05-26
Black Mtn	Record daily precipitation	26.2 mm (1.0 in)	2023-05-27
Melstone	Record daily precipitation	27.9 mm (1.1 in)	2023-05-26
Buffalo	Record daily precipitation	26.9 mm (1.1 in)	2023-05-27
Raton Muni Crews Fld AP	Record daily precipitation	21.3 mm (0.8 in)	2023-05-26

Records per Day

Peak day 31

Records set or tied each day from 19 May 2023 to 31 May 2023. The most in one day was 31 on 26 May 2023.

Records per day during Extreme rain in United States, 19 to 31 May 2023
Date	Records
2023-05-19	1
2023-05-20	1
2023-05-21	1
2023-05-22	8
2023-05-23	10
2023-05-24	16
2023-05-25	16
2023-05-26	31
2023-05-27	28
2023-05-28	14
2023-05-29	7
2023-05-30	1
2023-05-31	2

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in United States, 19 to 31 May 2023 ranked by margin
Matador, 05-27	49.0 mm (1.9 in)
Gate, 05-23	45.8 mm (1.8 in)
Floydada, 05-27	42.4 mm (1.7 in)
Friona, 05-27	37.8 mm (1.5 in)
Hereford, 05-26	36.8 mm (1.4 in)
Norton Dam, 05-26	36.5 mm (1.4 in)
Curtis, 05-26	31.5 mm (1.2 in)
Hereford, 05-27	25.6 mm (1.0 in)
Coeur D'Alene, 05-28	24.9 mm (1.0 in)
Mc Cook, 05-26	23.6 mm (0.9 in)
Sidney, 05-30	18.0 mm (0.7 in)
Black Mtn, 05-27	17.8 mm (0.7 in)
Raton Muni Crews Fld AP, 05-26	15.7 mm (0.6 in)
Glendive, 05-26	10.9 mm (0.4 in)
Blackfoot Fire Dept, 05-24	9.9 mm (0.39 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

136 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, 19 to 31 May 2023
Margin (mm)	Years the old record stood
38	65
25	21
46	46
32	68
42	52
24	6
8	87
11	93
49	28
37	22
10	69
18	44
16	58
26	44
9	88
6	24
37	26
18	56
3	112
3	96
29	36
7	85
1	100
17	25
1	96
8	73
15	2
1	88
24	28
6	74
15	41
6	58
14	41
40	17
12	64
4	80
5	32
5	66
20	28
6	73
3	66
12	45
23	10
22	26
14	32
4	64
1	68
10	26
22	22
9	46
6	61
6	36
22	2
4	46
6	33
10	8
6	33
5	49
7	36
7	36
4	44
7	0
25	28
13	32
6	50
23	1
5	40
10	24
2	56
13	20
7	40
16	6
16	13
1	48
3	36
7	36
10	10
3	25
5	24
4	28
2	32
6	37
3	12
8	32
5	33
1	42
8	12
11	12
16	12
3	38
4	18
7	36
6	28
1	36
3	34
3	37
6	4
8	6
0	26
14	17
3	40
5	13
8	10
6	29
14	25
3	32
7	13
9	4
2	33
4	17
5	1
5	16
3	26
4	32
2	26
3	25
5	9
2	16
5	4
3	8
1	36
7	8
8	4
3	25
2	24
3	18
8	4
0	6
1	14
3	24
5	8
1	16
2	4
4	6
1	0
3	4

Compared With Other Events

Station records per event

Station records in Extreme rain in United States, 19 to 31 May 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, 19 to 31 May 2023 (this event)	136 records

Every Record Set

20 of 136

Every record set or tied during Extreme rain in United States, 19 to 31 May 2023, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2023-05-23	Gate	Record daily precipitation	70.4 mm (2.8 in)	45.8 mm (1.8 in)	46	56 of 100 (Notable)
2023-05-23	Idaho Falls - Kifi	Record daily precipitation	50.0 mm (2.0 in)	6.1 mm (0.24 in)	24	44 of 100 (Notable)
2023-05-24	Blackfoot Fire Dept	Record daily precipitation	34.3 mm (1.4 in)	9.9 mm (0.39 in)	69	46 of 100 (Notable)
2023-05-26	Curtis	Record daily precipitation	64.8 mm (2.6 in)	31.5 mm (1.2 in)	68	54 of 100 (Notable)
2023-05-26	Mc Cook	Record daily precipitation	153.9 mm (6.1 in)	23.6 mm (0.9 in)	6	52 of 100 (Notable)
2023-05-26	Hayes Center 1NW	Record daily precipitation	80.5 mm (3.2 in)	7.9 mm (0.31 in)	87	52 of 100 (Notable)
2023-05-26	Glendive	Record daily precipitation	33.0 mm (1.3 in)	10.9 mm (0.4 in)	93	50 of 100 (Notable)
2023-05-26	Hereford	Record daily precipitation	66.0 mm (2.6 in)	36.8 mm (1.4 in)	22	48 of 100 (Notable)
2023-05-26	Norton Dam	Record daily precipitation	72.1 mm (2.8 in)	36.5 mm (1.4 in)	26	43 of 100 (Notable)
2023-05-26	Melstone	Record daily precipitation	27.9 mm (1.1 in)	2.5 mm (0.10 in)	112	42 of 100 (Notable)
2023-05-26	Raton Muni Crews Fld AP	Record daily precipitation	21.3 mm (0.8 in)	15.7 mm (0.6 in)	58	20 of 100 (Routine)
2023-05-27	Friona	Record daily precipitation	62.7 mm (2.5 in)	37.8 mm (1.5 in)	65	60 of 100 (Major)
2023-05-27	Floydada	Record daily precipitation	88.9 mm (3.5 in)	42.4 mm (1.7 in)	52	54 of 100 (Notable)
2023-05-27	Matador	Record daily precipitation	65.5 mm (2.6 in)	49.0 mm (1.9 in)	28	50 of 100 (Notable)
2023-05-27	Hereford	Record daily precipitation	62.2 mm (2.4 in)	25.6 mm (1.0 in)	44	45 of 100 (Notable)
2023-05-27	Black Mtn	Record daily precipitation	26.2 mm (1.0 in)	17.8 mm (0.7 in)	56	43 of 100 (Notable)
2023-05-27	Buffalo	Record daily precipitation	26.9 mm (1.1 in)	2.8 mm (0.11 in)	96	42 of 100 (Notable)
2023-05-28	Coeur D'Alene	Record daily precipitation	38.1 mm (1.5 in)	24.9 mm (1.0 in)	21	56 of 100 (Notable)
2023-05-29	Moorcroft 3S	Record daily precipitation	31.5 mm (1.2 in)	8.6 mm (0.34 in)	88	45 of 100 (Notable)
2023-05-30	Sidney	Record daily precipitation	51.3 mm (2.0 in)	18.0 mm (0.7 in)	44	46 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 136 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
38	65
25	21
46	46
32	68
42	52
24	6
8	87
11	93
49	28
37	22
10	69
18	44
16	58
26	44
9	88
6	24
37	26
18	56
3	112
3	96
29	36
7	85
1	100
17	25
1	96
8	73
15	2
1	88
24	28
6	74
15	41
6	58
14	41
40	17
12	64
4	80
5	32
5	66
20	28
6	73
3	66
12	45
23	10
22	26
14	32
4	64
1	68
10	26
22	22
9	46
6	61
6	36
22	2
4	46
6	33
10	8
6	33
5	49
7	36
7	36
4	44
7	0
25	28
13	32
6	50
23	1
5	40
10	24
2	56
13	20
7	40
16	6
16	13
1	48
3	36
7	36
10	10
3	25
5	24
4	28
2	32
6	37
3	12
8	32
5	33
1	42
8	12
11	12
16	12
3	38
4	18
7	36
6	28
1	36
3	34
3	37
6	4
8	6
0	26
14	17
3	40
5	13
8	10
6	29
14	25
3	32
7	13
9	4
2	33
4	17
5	1
5	16
3	26
4	32
2	26
3	25
5	9
2	16
5	4
3	8
1	36
7	8
8	4
3	25
2	24
3	18
8	4
0	6
1	14
3	24
5	8
1	16
2	4
4	6
1	0
3	4

Margin (mm)	Years the old record stood
38	65
25	21
46	46
32	68
42	52
24	6
8	87
11	93
49	28
37	22
10	69
18	44
16	58
26	44
9	88
6	24
37	26
18	56
3	112
3	96
29	36
7	85
1	100
17	25
1	96
8	73
15	2
1	88
24	28
6	74
15	41
6	58
14	41
40	17
12	64
4	80
5	32
5	66
20	28
6	73
3	66
12	45
23	10
22	26
14	32
4	64
1	68
10	26
22	22
9	46
6	61
6	36
22	2
4	46
6	33
10	8
6	33
5	49
7	36
7	36
4	44
7	0
25	28
13	32
6	50
23	1
5	40
10	24
2	56
13	20
7	40
16	6
16	13
1	48
3	36
7	36
10	10
3	25
5	24
4	28
2	32
6	37
3	12
8	32
5	33
1	42
8	12
11	12
16	12
3	38
4	18
7	36
6	28
1	36
3	34
3	37
6	4
8	6
0	26
14	17
3	40
5	13
8	10
6	29
14	25
3	32
7	13
9	4
2	33
4	17
5	1
5	16
3	26
4	32
2	26
3	25
5	9
2	16
5	4
3	8
1	36
7	8
8	4
3	25
2	24
3	18
8	4
0	6
1	14
3	24
5	8
1	16
2	4
4	6
1	0
3	4

Margin (mm)	Years the old record stood
38	65
25	21
46	46
32	68
42	52
24	6
8	87
11	93
49	28
37	22
10	69
18	44
16	58
26	44
9	88
6	24
37	26
18	56
3	112
3	96
29	36
7	85
1	100
17	25
1	96
8	73
15	2
1	88
24	28
6	74
15	41
6	58
14	41
40	17
12	64
4	80
5	32
5	66
20	28
6	73
3	66
12	45
23	10
22	26
14	32
4	64
1	68
10	26
22	22
9	46
6	61
6	36
22	2
4	46
6	33
10	8
6	33
5	49
7	36
7	36
4	44
7	0
25	28
13	32
6	50
23	1
5	40
10	24
2	56
13	20
7	40
16	6
16	13
1	48
3	36
7	36
10	10
3	25
5	24
4	28
2	32
6	37
3	12
8	32
5	33
1	42
8	12
11	12
16	12
3	38
4	18
7	36
6	28
1	36
3	34
3	37
6	4
8	6
0	26
14	17
3	40
5	13
8	10
6	29
14	25
3	32
7	13
9	4
2	33
4	17
5	1
5	16
3	26
4	32
2	26
3	25
5	9
2	16
5	4
3	8
1	36
7	8
8	4
3	25
2	24
3	18
8	4
0	6
1	14
3	24
5	8
1	16
2	4
4	6
1	0
3	4