Extreme rain in United States, 3 to 17 April 2018

Name: Extreme rain in United States, 3 to 17 April 2018
Start: 2018-04-03
End: 2018-04-17
Location: United States

Extreme rain in United States, 3 to 17 April 2018: 1,388 records at 1,200 stations, peak on 16 April 2018. Closed.

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

Key Facts

Extreme rain in United States, 3 to 17 April 2018 set or tied 1,388 station records at 1,200 stations.
It ran from 3 April 2018 to 17 April 2018 (15 days) and its peak day was 16 April 2018.
Status: closed.
Vancouver 4 NNE set a monthly record daily precipitation of 83.1 mm (3.3 in) on 3 April 2018.
The busiest day was 16 April 2018 with 260 records.
The oldest broken record in the ranked list had stood for 154 years.

Footprint

3 to 17 April 2018

The area covered by Extreme rain in United States, 3 to 17 April 2018 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, 3 to 17 April 2018: stations that set records in the event
Station	Type	Value	Date
Vancouver 4 NNE	Record daily precipitation	83.1 mm (3.3 in)	2018-04-03
Coshocton Wpc Plt	Record daily precipitation	61.5 mm (2.4 in)	2018-04-15
Winthrop 1 WSW	Record daily precipitation	25.9 mm (1.0 in)	2018-04-16
Volta Ph	Record daily precipitation	66.3 mm (2.6 in)	2018-04-09
Ft Ross	Record daily precipitation	96.5 mm (3.8 in)	2018-04-06
Falls City 2 SSW	Record daily precipitation	89.4 mm (3.5 in)	2018-04-08
Santa Cruz	Record daily precipitation	84.6 mm (3.3 in)	2018-04-08
Buckhannon	Record daily precipitation	75.7 mm (3.0 in)	2018-04-16
New Cumberland L/D	Record daily precipitation	64.8 mm (2.6 in)	2018-04-16
New Castle	Record daily precipitation	61.7 mm (2.4 in)	2018-04-16
Libby 32 SSE	Record daily precipitation	33.0 mm (1.3 in)	2018-04-07
Moundsville	Record daily precipitation	73.9 mm (2.9 in)	2018-04-16
Seattle Tacoma AP	Record daily precipitation	43.2 mm (1.7 in)	2018-04-14
Pineville	Record daily precipitation	57.7 mm (2.3 in)	2018-04-16
Paradise	Record daily precipitation	146.1 mm (5.8 in)	2018-04-07
Morgantown L&D	Record daily precipitation	74.9 mm (2.9 in)	2018-04-16
Chico UNIV Farm	Record daily precipitation	58.4 mm (2.3 in)	2018-04-07
Gerlach	Record daily precipitation	22.6 mm (0.9 in)	2018-04-06
Imlay	Record daily precipitation	21.6 mm (0.9 in)	2018-04-06

Records per Day

Peak day 260

Records set or tied each day from 3 April 2018 to 17 April 2018. The most in one day was 260 on 16 April 2018.

Records per day during Extreme rain in United States, 3 to 17 April 2018
Date	Records
2018-04-03	1
2018-04-04	2
2018-04-05	27
2018-04-06	135
2018-04-07	187
2018-04-08	135
2018-04-09	19
2018-04-10	5
2018-04-11	14
2018-04-12	110
2018-04-13	49
2018-04-14	184
2018-04-15	231
2018-04-16	260
2018-04-17	29

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in United States, 3 to 17 April 2018 ranked by margin
Paradise, 04-07	54.7 mm (2.2 in)
Santa Cruz, 04-08	49.5 mm (1.9 in)
Falls City 2 SSW, 04-08	48.8 mm (1.9 in)
New Cumberland L/D, 04-16	44.2 mm (1.7 in)
Ft Ross, 04-06	43.9 mm (1.7 in)
Coshocton Wpc Plt, 04-15	43.2 mm (1.7 in)
Vancouver 4 NNE, 04-10	43.2 mm (1.7 in)
Vancouver 4 NNE, 04-03	40.7 mm (1.6 in)
New Castle, 04-16	39.3 mm (1.5 in)
Volta Ph, 04-09	39.1 mm (1.5 in)
Pineville, 04-16	32.6 mm (1.3 in)
Moundsville, 04-16	30.5 mm (1.2 in)
Seattle Tacoma AP, 04-14	30.0 mm (1.2 in)
Chico UNIV Farm, 04-07	26.6 mm (1.0 in)
Libby 32 SSE, 04-07	22.8 mm (0.9 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, 3 to 17 April 2018
Margin (mm)	Years the old record stood
41	109
43	105
43	101
19	88
39	91
44	116
49	72
50	68
17	117
44	64
14	96
39	61
23	56
31	37
33	61
30	57
55	35
20	55
19	70
27	83
19	72
33	36
18	109
27	49
41	109
17	80
20	31
22	51
101	43
17	91
19	125
10	97
10	123
16	56
14	97
8	91
14	72
14	100
16	99
17	68
8	92
16	55
31	24
34	27
10	76
56	23
20	38
32	24
23	88
37	24
21	79
54	61
19	64
12	52
26	45
9	100
10	56
16	44
32	16
25	48
20	68
10	60
25	0
64	19
50	36
26	34
15	32
18	32
26	16
22	51
20	44
31	32
33	21
17	72
17	71
15	20
17	60
6	117
17	39
19	73
10	99
29	99
88	13
15	20
7	80
39	24
15	108
3	105
8	70
23	93
11	83
37	24
31	24
12	87
11	80
26	45
8	113
15	35
9	64
14	65
14	39
10	28
7	95
40	20
21	35
65	19
7	92
3	101
9	72
21	64
25	21
19	47
19	80
16	41
26	11
25	24
28	19
25	56
16	65
38	61
21	51
13	52
48	0
6	121
3	77
4	117
4	118
19	7
46	60
40	69
10	49
21	31
31	7
5	70
18	33
6	99
11	40
12	96
11	107
15	64
26	21
6	116
5	108
4	84
18	17
25	39
5	99
8	107
4	79
10	77
33	21
19	63
23	56
31	7
37	4
54	11
39	64
37	51
19	47
9	65
10	55
13	60
10	72
5	80
4	80
22	23
7	154
16	64
6	108
22	27
31	4
28	24
26	21
6	113
18	68
19	55
25	40
22	71
6	109
8	91
9	88
4	99
4	84
6	91
8	88
1	115
9	72
10	27
2	80
24	21
4	108
24	31
20	31
26	24
22	61
62	19
6	83
8	40
6	18
2	97

Compared With Other Events

Station records per event

Station records in Extreme rain in United States, 3 to 17 April 2018 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, 3 to 17 April 2018 (this event)	1,388 records

Every Record Set

20 of 1,388

Every record set or tied during Extreme rain in United States, 3 to 17 April 2018, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2018-04-03	Vancouver 4 NNE	Record daily precipitation	83.1 mm (3.3 in)	40.7 mm (1.6 in)	109	90 of 100 (Exceptional)
2018-04-06	Ft Ross	Record daily precipitation	96.5 mm (3.8 in)	43.9 mm (1.7 in)	116	73 of 100 (Major)
2018-04-06	Gerlach	Record daily precipitation	22.6 mm (0.9 in)	20.1 mm (0.8 in)	55	20 of 100 (Routine)
2018-04-06	Imlay	Record daily precipitation	21.6 mm (0.9 in)	14.0 mm (0.6 in)	96	20 of 100 (Routine)
2018-04-07	Libby 32 SSE	Record daily precipitation	33.0 mm (1.3 in)	22.8 mm (0.9 in)	56	66 of 100 (Major)
2018-04-07	Paradise	Record daily precipitation	146.1 mm (5.8 in)	54.7 mm (2.2 in)	35	63 of 100 (Major)
2018-04-07	Chico UNIV Farm	Record daily precipitation	58.4 mm (2.3 in)	26.6 mm (1.0 in)	83	61 of 100 (Major)
2018-04-08	Falls City 2 SSW	Record daily precipitation	89.4 mm (3.5 in)	48.8 mm (1.9 in)	72	71 of 100 (Major)
2018-04-08	Santa Cruz	Record daily precipitation	84.6 mm (3.3 in)	49.5 mm (1.9 in)	68	70 of 100 (Major)
2018-04-09	Volta Ph	Record daily precipitation	66.3 mm (2.6 in)	39.1 mm (1.5 in)	91	75 of 100 (Major)
2018-04-10	Vancouver 4 NNE	Record daily precipitation	61.7 mm (2.4 in)	43.2 mm (1.7 in)	101	80 of 100 (Exceptional)
2018-04-14	Seattle Tacoma AP	Record daily precipitation	43.2 mm (1.7 in)	30.0 mm (1.2 in)	57	64 of 100 (Major)
2018-04-15	Coshocton Wpc Plt	Record daily precipitation	61.5 mm (2.4 in)	43.2 mm (1.7 in)	105	80 of 100 (Exceptional)
2018-04-16	Winthrop 1 WSW	Record daily precipitation	25.9 mm (1.0 in)	18.8 mm (0.7 in)	88	76 of 100 (Major)
2018-04-16	Buckhannon	Record daily precipitation	75.7 mm (3.0 in)	16.8 mm (0.7 in)	117	70 of 100 (Major)
2018-04-16	New Cumberland L/D	Record daily precipitation	64.8 mm (2.6 in)	44.2 mm (1.7 in)	64	69 of 100 (Major)
2018-04-16	New Castle	Record daily precipitation	61.7 mm (2.4 in)	39.3 mm (1.5 in)	61	67 of 100 (Major)
2018-04-16	Moundsville	Record daily precipitation	73.9 mm (2.9 in)	30.5 mm (1.2 in)	37	66 of 100 (Major)
2018-04-16	Pineville	Record daily precipitation	57.7 mm (2.3 in)	32.6 mm (1.3 in)	61	64 of 100 (Major)
2018-04-16	Morgantown L&D	Record daily precipitation	74.9 mm (2.9 in)	18.5 mm (0.7 in)	70	63 of 100 (Major)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 1,388 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
41	109
43	105
43	101
19	88
39	91
44	116
49	72
50	68
17	117
44	64
14	96
39	61
23	56
31	37
33	61
30	57
55	35
20	55
19	70
27	83
19	72
33	36
18	109
27	49
41	109
17	80
20	31
22	51
101	43
17	91
19	125
10	97
10	123
16	56
14	97
8	91
14	72
14	100
16	99
17	68
8	92
16	55
31	24
34	27
10	76
56	23
20	38
32	24
23	88
37	24
21	79
54	61
19	64
12	52
26	45
9	100
10	56
16	44
32	16
25	48
20	68
10	60
25	0
64	19
50	36
26	34
15	32
18	32
26	16
22	51
20	44
31	32
33	21
17	72
17	71
15	20
17	60
6	117
17	39
19	73
10	99
29	99
88	13
15	20
7	80
39	24
15	108
3	105
8	70
23	93
11	83
37	24
31	24
12	87
11	80
26	45
8	113
15	35
9	64
14	65
14	39
10	28
7	95
40	20
21	35
65	19
7	92
3	101
9	72
21	64
25	21
19	47
19	80
16	41
26	11
25	24
28	19
25	56
16	65
38	61
21	51
13	52
48	0
6	121
3	77
4	117
4	118
19	7
46	60
40	69
10	49
21	31
31	7
5	70
18	33
6	99
11	40
12	96
11	107
15	64
26	21
6	116
5	108
4	84
18	17
25	39
5	99
8	107
4	79
10	77
33	21
19	63
23	56
31	7
37	4
54	11
39	64
37	51
19	47
9	65
10	55
13	60
10	72
5	80
4	80
22	23
7	154
16	64
6	108
22	27
31	4
28	24
26	21
6	113
18	68
19	55
25	40
22	71
6	109
8	91
9	88
4	99
4	84
6	91
8	88
1	115
9	72
10	27
2	80
24	21
4	108
24	31
20	31
26	24
22	61
62	19
6	83
8	40
6	18
2	97

Margin (mm)	Years the old record stood
41	109
43	105
43	101
19	88
39	91
44	116
49	72
50	68
17	117
44	64
14	96
39	61
23	56
31	37
33	61
30	57
55	35
20	55
19	70
27	83
19	72
33	36
18	109
27	49
41	109
17	80
20	31
22	51
101	43
17	91
19	125
10	97
10	123
16	56
14	97
8	91
14	72
14	100
16	99
17	68
8	92
16	55
31	24
34	27
10	76
56	23
20	38
32	24
23	88
37	24
21	79
54	61
19	64
12	52
26	45
9	100
10	56
16	44
32	16
25	48
20	68
10	60
25	0
64	19
50	36
26	34
15	32
18	32
26	16
22	51
20	44
31	32
33	21
17	72
17	71
15	20
17	60
6	117
17	39
19	73
10	99
29	99
88	13
15	20
7	80
39	24
15	108
3	105
8	70
23	93
11	83
37	24
31	24
12	87
11	80
26	45
8	113
15	35
9	64
14	65
14	39
10	28
7	95
40	20
21	35
65	19
7	92
3	101
9	72
21	64
25	21
19	47
19	80
16	41
26	11
25	24
28	19
25	56
16	65
38	61
21	51
13	52
48	0
6	121
3	77
4	117
4	118
19	7
46	60
40	69
10	49
21	31
31	7
5	70
18	33
6	99
11	40
12	96
11	107
15	64
26	21
6	116
5	108
4	84
18	17
25	39
5	99
8	107
4	79
10	77
33	21
19	63
23	56
31	7
37	4
54	11
39	64
37	51
19	47
9	65
10	55
13	60
10	72
5	80
4	80
22	23
7	154
16	64
6	108
22	27
31	4
28	24
26	21
6	113
18	68
19	55
25	40
22	71
6	109
8	91
9	88
4	99
4	84
6	91
8	88
1	115
9	72
10	27
2	80
24	21
4	108
24	31
20	31
26	24
22	61
62	19
6	83
8	40
6	18
2	97

Margin (mm)	Years the old record stood
41	109
43	105
43	101
19	88
39	91
44	116
49	72
50	68
17	117
44	64
14	96
39	61
23	56
31	37
33	61
30	57
55	35
20	55
19	70
27	83
19	72
33	36
18	109
27	49
41	109
17	80
20	31
22	51
101	43
17	91
19	125
10	97
10	123
16	56
14	97
8	91
14	72
14	100
16	99
17	68
8	92
16	55
31	24
34	27
10	76
56	23
20	38
32	24
23	88
37	24
21	79
54	61
19	64
12	52
26	45
9	100
10	56
16	44
32	16
25	48
20	68
10	60
25	0
64	19
50	36
26	34
15	32
18	32
26	16
22	51
20	44
31	32
33	21
17	72
17	71
15	20
17	60
6	117
17	39
19	73
10	99
29	99
88	13
15	20
7	80
39	24
15	108
3	105
8	70
23	93
11	83
37	24
31	24
12	87
11	80
26	45
8	113
15	35
9	64
14	65
14	39
10	28
7	95
40	20
21	35
65	19
7	92
3	101
9	72
21	64
25	21
19	47
19	80
16	41
26	11
25	24
28	19
25	56
16	65
38	61
21	51
13	52
48	0
6	121
3	77
4	117
4	118
19	7
46	60
40	69
10	49
21	31
31	7
5	70
18	33
6	99
11	40
12	96
11	107
15	64
26	21
6	116
5	108
4	84
18	17
25	39
5	99
8	107
4	79
10	77
33	21
19	63
23	56
31	7
37	4
54	11
39	64
37	51
19	47
9	65
10	55
13	60
10	72
5	80
4	80
22	23
7	154
16	64
6	108
22	27
31	4
28	24
26	21
6	113
18	68
19	55
25	40
22	71
6	109
8	91
9	88
4	99
4	84
6	91
8	88
1	115
9	72
10	27
2	80
24	21
4	108
24	31
20	31
26	24
22	61
62	19
6	83
8	40
6	18
2	97