Extreme rain in United States, 7 to 11 July 2023

Name: Extreme rain in United States, 7 to 11 July 2023
Start: 2023-07-07
End: 2023-07-11
Location: United States

Extreme rain in United States, 7 to 11 July 2023: 105 records at 97 stations, peak on 10 July 2023. Closed.

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

Key Facts

Extreme rain in United States, 7 to 11 July 2023 set or tied 105 station records at 97 stations.
It ran from 7 July 2023 to 11 July 2023 (5 days) and its peak day was 10 July 2023.
Status: closed.
Conshohocken set a monthly record daily precipitation of 157.7 mm (6.2 in) on 10 July 2023.
The busiest day was 10 July 2023 with 49 records.
The oldest broken record in the ranked list had stood for 135 years.

Footprint

7 to 11 July 2023

The area covered by Extreme rain in United States, 7 to 11 July 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, 7 to 11 July 2023: stations that set records in the event
Station	Type	Value	Date
Conshohocken	Record daily precipitation	157.7 mm (6.2 in)	2023-07-10
Mt Washington	Record daily precipitation	100.8 mm (4.0 in)	2023-07-10
Riverhead Rsch Farm	Record daily precipitation	89.7 mm (3.5 in)	2023-07-10
Norfolk 2 SW	Record daily precipitation	168.4 mm (6.6 in)	2023-07-10
Woodstock	Record daily precipitation	80.3 mm (3.2 in)	2023-07-11
Worcester	Record daily precipitation	69.6 mm (2.7 in)	2023-07-10
First Connecticut Lake	Record daily precipitation	80.0 mm (3.1 in)	2023-07-11
Peru	Record daily precipitation	75.2 mm (3.0 in)	2023-07-11
Hanover	Record daily precipitation	75.2 mm (3.0 in)	2023-07-10
Bound Brook 2W	Record daily precipitation	65.0 mm (2.6 in)	2023-07-10
Berlin	Record daily precipitation	40.9 mm (1.6 in)	2023-07-11
Norristown	Record daily precipitation	110.2 mm (4.3 in)	2023-07-10
Selinsgrove 2 S	Record daily precipitation	87.6 mm (3.4 in)	2023-07-10
N Conway	Record daily precipitation	67.3 mm (2.6 in)	2023-07-11
Lebanon 2 W	Record daily precipitation	88.6 mm (3.5 in)	2023-07-09
Sussex 1 NW	Record daily precipitation	58.7 mm (2.3 in)	2023-07-10
Newport	Record daily precipitation	75.2 mm (3.0 in)	2023-07-11
York Pond	Record daily precipitation	58.4 mm (2.3 in)	2023-07-11
Chittenden	Record daily precipitation	49.0 mm (1.9 in)	2023-07-11
Raleigh State UNIV	Record daily precipitation	61.0 mm (2.4 in)	2023-07-10

Records per Day

Peak day 49

Records set or tied each day from 7 July 2023 to 11 July 2023. The most in one day was 49 on 10 July 2023.

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in United States, 7 to 11 July 2023 ranked by margin
Lebanon 2 W, 07-09	82.0 mm (3.2 in)
Norfolk 2 SW, 07-10	76.5 mm (3.0 in)
Norristown, 07-10	70.1 mm (2.8 in)
Riverhead Rsch Farm, 07-10	67.6 mm (2.7 in)
Mt Washington, 07-10	62.2 mm (2.4 in)
Bound Brook 2W, 07-10	54.3 mm (2.1 in)
Conshohocken, 07-10	45.7 mm (1.8 in)
Woodstock, 07-11	40.2 mm (1.6 in)
Worcester, 07-10	39.4 mm (1.6 in)
N Conway, 07-11	36.8 mm (1.4 in)
Peru, 07-11	34.1 mm (1.3 in)
York Pond, 07-11	30.5 mm (1.2 in)
Raleigh State UNIV, 07-10	23.7 mm (0.9 in)
Hanover, 07-10	19.8 mm (0.8 in)
Newport, 07-11	19.3 mm (0.8 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

105 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, 7 to 11 July 2023
Margin (mm)	Years the old record stood
46	76
62	73
68	64
77	22
40	70
39	70
14	77
34	70
20	96
54	48
13	135
70	8
12	109
37	36
19	70
31	17
13	92
82	1
18	70
24	64
36	22
35	33
12	60
40	42
52	25
6	92
26	48
16	70
17	64
11	76
6	90
9	17
5	92
16	70
34	16
2	92
3	86
18	56
27	52
37	6
15	23
9	29
13	50
1	92
10	60
16	56
41	1
6	73
7	70
25	32
4	70
18	56
4	70
35	14
3	77
30	34
22	46
11	50
7	52
11	52
3	70
33	8
24	17
0	11
3	64
4	64
33	2
16	4
16	38
21	21
7	52
16	25
1	64
20	21
17	8
16	22
0	64
3	58
13	21
2	52
22	25
9	42
14	9
3	53
3	52
9	16
2	42
5	33
11	16
7	21
7	32
0	33
10	1
2	36
4	14
14	12
6	21
7	16
12	9
8	13
9	2
1	12
5	1
1	9
1	0

Compared With Other Events

Station records per event

Station records in Extreme rain in United States, 7 to 11 July 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, 7 to 11 July 2023 (this event)	105 records

Every Record Set

20 of 105

Every record set or tied during Extreme rain in United States, 7 to 11 July 2023, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2023-07-09	Lebanon 2 W	Record daily precipitation	88.6 mm (3.5 in)	82.0 mm (3.2 in)	1	47 of 100 (Notable)
2023-07-10	Conshohocken	Record daily precipitation	157.7 mm (6.2 in)	45.7 mm (1.8 in)	76	72 of 100 (Major)
2023-07-10	Mt Washington	Record daily precipitation	100.8 mm (4.0 in)	62.2 mm (2.4 in)	73	69 of 100 (Major)
2023-07-10	Riverhead Rsch Farm	Record daily precipitation	89.7 mm (3.5 in)	67.6 mm (2.7 in)	64	67 of 100 (Major)
2023-07-10	Norfolk 2 SW	Record daily precipitation	168.4 mm (6.6 in)	76.5 mm (3.0 in)	22	66 of 100 (Major)
2023-07-10	Worcester	Record daily precipitation	69.6 mm (2.7 in)	39.4 mm (1.6 in)	70	58 of 100 (Notable)
2023-07-10	Hanover	Record daily precipitation	75.2 mm (3.0 in)	19.8 mm (0.8 in)	96	56 of 100 (Notable)
2023-07-10	Bound Brook 2W	Record daily precipitation	65.0 mm (2.6 in)	54.3 mm (2.1 in)	48	56 of 100 (Notable)
2023-07-10	Norristown	Record daily precipitation	110.2 mm (4.3 in)	70.1 mm (2.8 in)	8	49 of 100 (Notable)
2023-07-10	Selinsgrove 2 S	Record daily precipitation	87.6 mm (3.4 in)	11.7 mm (0.5 in)	109	49 of 100 (Notable)
2023-07-10	Sussex 1 NW	Record daily precipitation	58.7 mm (2.3 in)	13.2 mm (0.5 in)	92	47 of 100 (Notable)
2023-07-10	Raleigh State UNIV	Record daily precipitation	61.0 mm (2.4 in)	23.7 mm (0.9 in)	64	44 of 100 (Notable)
2023-07-11	Woodstock	Record daily precipitation	80.3 mm (3.2 in)	40.2 mm (1.6 in)	70	64 of 100 (Major)
2023-07-11	First Connecticut Lake	Record daily precipitation	80.0 mm (3.1 in)	14.0 mm (0.6 in)	77	57 of 100 (Notable)
2023-07-11	Peru	Record daily precipitation	75.2 mm (3.0 in)	34.1 mm (1.3 in)	70	57 of 100 (Notable)
2023-07-11	Berlin	Record daily precipitation	40.9 mm (1.6 in)	12.5 mm (0.5 in)	135	54 of 100 (Notable)
2023-07-11	N Conway	Record daily precipitation	67.3 mm (2.6 in)	36.8 mm (1.4 in)	36	48 of 100 (Notable)
2023-07-11	Newport	Record daily precipitation	75.2 mm (3.0 in)	19.3 mm (0.8 in)	70	47 of 100 (Notable)
2023-07-11	York Pond	Record daily precipitation	58.4 mm (2.3 in)	30.5 mm (1.2 in)	17	47 of 100 (Notable)
2023-07-11	Chittenden	Record daily precipitation	49.0 mm (1.9 in)	17.8 mm (0.7 in)	70	47 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 105 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
46	76
62	73
68	64
77	22
40	70
39	70
14	77
34	70
20	96
54	48
13	135
70	8
12	109
37	36
19	70
31	17
13	92
82	1
18	70
24	64
36	22
35	33
12	60
40	42
52	25
6	92
26	48
16	70
17	64
11	76
6	90
9	17
5	92
16	70
34	16
2	92
3	86
18	56
27	52
37	6
15	23
9	29
13	50
1	92
10	60
16	56
41	1
6	73
7	70
25	32
4	70
18	56
4	70
35	14
3	77
30	34
22	46
11	50
7	52
11	52
3	70
33	8
24	17
0	11
3	64
4	64
33	2
16	4
16	38
21	21
7	52
16	25
1	64
20	21
17	8
16	22
0	64
3	58
13	21
2	52
22	25
9	42
14	9
3	53
3	52
9	16
2	42
5	33
11	16
7	21
7	32
0	33
10	1
2	36
4	14
14	12
6	21
7	16
12	9
8	13
9	2
1	12
5	1
1	9
1	0

Margin (mm)	Years the old record stood
46	76
62	73
68	64
77	22
40	70
39	70
14	77
34	70
20	96
54	48
13	135
70	8
12	109
37	36
19	70
31	17
13	92
82	1
18	70
24	64
36	22
35	33
12	60
40	42
52	25
6	92
26	48
16	70
17	64
11	76
6	90
9	17
5	92
16	70
34	16
2	92
3	86
18	56
27	52
37	6
15	23
9	29
13	50
1	92
10	60
16	56
41	1
6	73
7	70
25	32
4	70
18	56
4	70
35	14
3	77
30	34
22	46
11	50
7	52
11	52
3	70
33	8
24	17
0	11
3	64
4	64
33	2
16	4
16	38
21	21
7	52
16	25
1	64
20	21
17	8
16	22
0	64
3	58
13	21
2	52
22	25
9	42
14	9
3	53
3	52
9	16
2	42
5	33
11	16
7	21
7	32
0	33
10	1
2	36
4	14
14	12
6	21
7	16
12	9
8	13
9	2
1	12
5	1
1	9
1	0

Margin (mm)	Years the old record stood
46	76
62	73
68	64
77	22
40	70
39	70
14	77
34	70
20	96
54	48
13	135
70	8
12	109
37	36
19	70
31	17
13	92
82	1
18	70
24	64
36	22
35	33
12	60
40	42
52	25
6	92
26	48
16	70
17	64
11	76
6	90
9	17
5	92
16	70
34	16
2	92
3	86
18	56
27	52
37	6
15	23
9	29
13	50
1	92
10	60
16	56
41	1
6	73
7	70
25	32
4	70
18	56
4	70
35	14
3	77
30	34
22	46
11	50
7	52
11	52
3	70
33	8
24	17
0	11
3	64
4	64
33	2
16	4
16	38
21	21
7	52
16	25
1	64
20	21
17	8
16	22
0	64
3	58
13	21
2	52
22	25
9	42
14	9
3	53
3	52
9	16
2	42
5	33
11	16
7	21
7	32
0	33
10	1
2	36
4	14
14	12
6	21
7	16
12	9
8	13
9	2
1	12
5	1
1	9
1	0