Extreme rain in United States, 20 to 29 March 2018

Name: Extreme rain in United States, 20 to 29 March 2018
Start: 2018-03-20
End: 2018-03-29
Location: United States

Extreme rain in United States, 20 to 29 March 2018: 399 records at 358 stations, peak on 22 March 2018. Closed.

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

Key Facts

Extreme rain in United States, 20 to 29 March 2018 set or tied 399 station records at 358 stations.
It ran from 20 March 2018 to 29 March 2018 (10 days) and its peak day was 22 March 2018.
Status: closed.
Paso Robles set a daily record precipitation of 83.6 mm (3.3 in) on 22 March 2018.
The busiest day was 22 March 2018 with 179 records.
The oldest broken record in the ranked list had stood for 118 years.

Footprint

20 to 29 March 2018

The area covered by Extreme rain in United States, 20 to 29 March 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, 20 to 29 March 2018: stations that set records in the event
Station	Type	Value	Date
Paso Robles	Record daily precipitation	83.6 mm (3.3 in)	2018-03-22
Salinas Dam	Record daily precipitation	89.9 mm (3.5 in)	2018-03-22
Ruth	Record daily precipitation	44.5 mm (1.8 in)	2018-03-23
Tulelake	Record daily precipitation	27.2 mm (1.1 in)	2018-03-22
Gerber Dam	Record daily precipitation	25.1 mm (1.0 in)	2018-03-22
Glenbrook	Record daily precipitation	63.5 mm (2.5 in)	2018-03-22
Hatch	Record daily precipitation	37.6 mm (1.5 in)	2018-03-23
Santa Margarita Boost	Record daily precipitation	132.3 mm (5.2 in)	2018-03-22
Vinton	Record daily precipitation	36.6 mm (1.4 in)	2018-03-23
Bodie California St Historic P	Record daily precipitation	48.3 mm (1.9 in)	2018-03-23
Downieville	Record daily precipitation	89.9 mm (3.5 in)	2018-03-21
Paisley	Record daily precipitation	19.8 mm (0.8 in)	2018-03-22
Hayden	Record daily precipitation	17.8 mm (0.7 in)	2018-03-23
St Marie	Record daily precipitation	10.9 mm (0.4 in)	2018-03-23
Steamboat Springs	Record daily precipitation	21.8 mm (0.9 in)	2018-03-24
Plentywood	Record daily precipitation	19.3 mm (0.8 in)	2018-03-24
Broadus	Record daily precipitation	22.9 mm (0.9 in)	2018-03-26
Lingle 2WSW	Record daily precipitation	22.6 mm (0.9 in)	2018-03-26
Newcastle	Record daily precipitation	14.0 mm (0.6 in)	2018-03-26

Records per Day

Peak day 179

Records set or tied each day from 20 March 2018 to 29 March 2018. The most in one day was 179 on 22 March 2018.

Records per day during Extreme rain in United States, 20 to 29 March 2018
Date	Records
2018-03-20	3
2018-03-21	60
2018-03-22	179
2018-03-23	98
2018-03-24	25
2018-03-25	8
2018-03-26	22
2018-03-27	1
2018-03-28	2
2018-03-29	1

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in United States, 20 to 29 March 2018 ranked by margin
Santa Margarita Boost, 03-22	89.1 mm (3.5 in)
Salinas Dam, 03-22	60.2 mm (2.4 in)
Downieville, 03-21	37.1 mm (1.5 in)
Bodie California St Historic P, 03-23	35.1 mm (1.4 in)
Glenbrook, 03-22	34.3 mm (1.4 in)
Paso Robles, 03-22	32.5 mm (1.3 in)
Ruth, 03-23	31.5 mm (1.2 in)
Hatch, 03-23	25.2 mm (1.0 in)
Vinton, 03-23	25.2 mm (1.0 in)
Vinton, 03-22	23.4 mm (0.9 in)
Tulelake, 03-22	19.6 mm (0.8 in)
Lingle 2WSW, 03-26	16.0 mm (0.6 in)
Gerber Dam, 03-22	15.4 mm (0.6 in)
Broadus, 03-26	13.0 mm (0.5 in)
Plentywood, 03-24	12.9 mm (0.5 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

399 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, 20 to 29 March 2018
Margin (mm)	Years the old record stood
8	107
16	60
33	80
60	60
32	53
20	45
15	68
34	43
25	35
9	53
89	43
7	104
25	47
8	101
13	68
13	48
23	56
35	23
37	97
10	68
34	80
31	80
12	68
14	23
56	35
12	56
20	56
30	31
33	60
11	88
10	60
5	112
11	45
21	80
25	69
17	96
82	12
6	71
4	96
15	35
56	43
14	108
33	12
48	12
33	12
18	39
18	20
25	31
38	23
34	60
36	31
12	44
34	12
23	7
11	8
29	12
3	104
53	60
3	101
14	80
8	43
2	113
5	68
20	0
48	23
27	53
1	72
9	68
4	72
2	118
2	107
10	40
25	21
23	15
20	3
30	44
10	4
12	3
1	100
13	20
20	2
33	23
18	35
11	12
4	72
1	107
41	23
8	60
36	31
2	97
38	12
13	35
7	47
7	53
22	32
15	25
51	35
7	40
31	43
12	72
31	12
7	43
9	59
9	39
8	45
6	45
23	15
6	60
4	80
44	43
35	23
3	44
6	45
1	89
15	8
10	32
18	12
31	8
17	43
2	42
5	68
5	45
11	20
5	44
6	56
17	60
14	43
5	80
7	28
7	7
15	32
5	45
38	23
17	60
23	40
3	68
8	43
33	12
8	23
9	60
5	31
10	43
15	28
1	65
2	71
8	60
12	43
5	32
7	23
3	60
1	68
3	59
5	39
18	0
21	40
3	43
7	40
8	43
7	61
6	56
7	35
13	21
8	23
18	31
13	8
20	8
8	23
13	35
18	43
9	4
9	23
18	12
18	12
18	12
5	25
25	20
15	12
15	32
12	35
18	35
14	31
2	27
4	43
16	20
3	43
6	8
2	55
8	32
10	15
13	15
10	23
2	56
3	60
11	36
1	52
1	23
3	47
9	0
10	16
10	7

Compared With Other Events

Station records per event

Station records in Extreme rain in United States, 20 to 29 March 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, 20 to 29 March 2018 (this event)	399 records

Every Record Set

20 of 399

Every record set or tied during Extreme rain in United States, 20 to 29 March 2018, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2018-03-21	Downieville	Record daily precipitation	89.9 mm (3.5 in)	37.1 mm (1.5 in)	97	55 of 100 (Notable)
2018-03-22	Paso Robles	Record daily precipitation	83.6 mm (3.3 in)	32.5 mm (1.3 in)	80	63 of 100 (Major)
2018-03-22	Salinas Dam	Record daily precipitation	89.9 mm (3.5 in)	60.2 mm (2.4 in)	60	62 of 100 (Major)
2018-03-22	Tulelake	Record daily precipitation	27.2 mm (1.1 in)	19.6 mm (0.8 in)	45	61 of 100 (Major)
2018-03-22	Gerber Dam	Record daily precipitation	25.1 mm (1.0 in)	15.4 mm (0.6 in)	68	61 of 100 (Major)
2018-03-22	Glenbrook	Record daily precipitation	63.5 mm (2.5 in)	34.3 mm (1.4 in)	43	60 of 100 (Major)
2018-03-22	Santa Margarita Boost	Record daily precipitation	132.3 mm (5.2 in)	89.1 mm (3.5 in)	43	59 of 100 (Notable)
2018-03-22	Vinton	Record daily precipitation	38.9 mm (1.5 in)	23.4 mm (0.9 in)	56	57 of 100 (Notable)
2018-03-22	Paisley	Record daily precipitation	19.8 mm (0.8 in)	9.6 mm (0.38 in)	68	20 of 100 (Routine)
2018-03-23	Ruth	Record daily precipitation	44.5 mm (1.8 in)	31.5 mm (1.2 in)	53	62 of 100 (Major)
2018-03-23	Hatch	Record daily precipitation	37.6 mm (1.5 in)	25.2 mm (1.0 in)	35	60 of 100 (Major)
2018-03-23	Vinton	Record daily precipitation	36.6 mm (1.4 in)	25.2 mm (1.0 in)	47	58 of 100 (Notable)
2018-03-23	Bodie California St Historic P	Record daily precipitation	48.3 mm (1.9 in)	35.1 mm (1.4 in)	23	56 of 100 (Notable)
2018-03-23	Hayden	Record daily precipitation	17.8 mm (0.7 in)	6.9 mm (0.27 in)	104	20 of 100 (Routine)
2018-03-23	St Marie	Record daily precipitation	10.9 mm (0.4 in)	9.1 mm (0.36 in)	53	20 of 100 (Routine)
2018-03-24	Steamboat Springs	Record daily precipitation	21.8 mm (0.9 in)	7.6 mm (0.30 in)	101	20 of 100 (Routine)
2018-03-24	Plentywood	Record daily precipitation	19.3 mm (0.8 in)	12.9 mm (0.5 in)	48	20 of 100 (Routine)
2018-03-26	Broadus	Record daily precipitation	22.9 mm (0.9 in)	13.0 mm (0.5 in)	68	20 of 100 (Routine)
2018-03-26	Lingle 2WSW	Record daily precipitation	22.6 mm (0.9 in)	16.0 mm (0.6 in)	60	20 of 100 (Routine)
2018-03-26	Newcastle	Record daily precipitation	14.0 mm (0.6 in)	7.6 mm (0.30 in)	107	20 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 399 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
8	107
16	60
33	80
60	60
32	53
20	45
15	68
34	43
25	35
9	53
89	43
7	104
25	47
8	101
13	68
13	48
23	56
35	23
37	97
10	68
34	80
31	80
12	68
14	23
56	35
12	56
20	56
30	31
33	60
11	88
10	60
5	112
11	45
21	80
25	69
17	96
82	12
6	71
4	96
15	35
56	43
14	108
33	12
48	12
33	12
18	39
18	20
25	31
38	23
34	60
36	31
12	44
34	12
23	7
11	8
29	12
3	104
53	60
3	101
14	80
8	43
2	113
5	68
20	0
48	23
27	53
1	72
9	68
4	72
2	118
2	107
10	40
25	21
23	15
20	3
30	44
10	4
12	3
1	100
13	20
20	2
33	23
18	35
11	12
4	72
1	107
41	23
8	60
36	31
2	97
38	12
13	35
7	47
7	53
22	32
15	25
51	35
7	40
31	43
12	72
31	12
7	43
9	59
9	39
8	45
6	45
23	15
6	60
4	80
44	43
35	23
3	44
6	45
1	89
15	8
10	32
18	12
31	8
17	43
2	42
5	68
5	45
11	20
5	44
6	56
17	60
14	43
5	80
7	28
7	7
15	32
5	45
38	23
17	60
23	40
3	68
8	43
33	12
8	23
9	60
5	31
10	43
15	28
1	65
2	71
8	60
12	43
5	32
7	23
3	60
1	68
3	59
5	39
18	0
21	40
3	43
7	40
8	43
7	61
6	56
7	35
13	21
8	23
18	31
13	8
20	8
8	23
13	35
18	43
9	4
9	23
18	12
18	12
18	12
5	25
25	20
15	12
15	32
12	35
18	35
14	31
2	27
4	43
16	20
3	43
6	8
2	55
8	32
10	15
13	15
10	23
2	56
3	60
11	36
1	52
1	23
3	47
9	0
10	16
10	7

Margin (mm)	Years the old record stood
8	107
16	60
33	80
60	60
32	53
20	45
15	68
34	43
25	35
9	53
89	43
7	104
25	47
8	101
13	68
13	48
23	56
35	23
37	97
10	68
34	80
31	80
12	68
14	23
56	35
12	56
20	56
30	31
33	60
11	88
10	60
5	112
11	45
21	80
25	69
17	96
82	12
6	71
4	96
15	35
56	43
14	108
33	12
48	12
33	12
18	39
18	20
25	31
38	23
34	60
36	31
12	44
34	12
23	7
11	8
29	12
3	104
53	60
3	101
14	80
8	43
2	113
5	68
20	0
48	23
27	53
1	72
9	68
4	72
2	118
2	107
10	40
25	21
23	15
20	3
30	44
10	4
12	3
1	100
13	20
20	2
33	23
18	35
11	12
4	72
1	107
41	23
8	60
36	31
2	97
38	12
13	35
7	47
7	53
22	32
15	25
51	35
7	40
31	43
12	72
31	12
7	43
9	59
9	39
8	45
6	45
23	15
6	60
4	80
44	43
35	23
3	44
6	45
1	89
15	8
10	32
18	12
31	8
17	43
2	42
5	68
5	45
11	20
5	44
6	56
17	60
14	43
5	80
7	28
7	7
15	32
5	45
38	23
17	60
23	40
3	68
8	43
33	12
8	23
9	60
5	31
10	43
15	28
1	65
2	71
8	60
12	43
5	32
7	23
3	60
1	68
3	59
5	39
18	0
21	40
3	43
7	40
8	43
7	61
6	56
7	35
13	21
8	23
18	31
13	8
20	8
8	23
13	35
18	43
9	4
9	23
18	12
18	12
18	12
5	25
25	20
15	12
15	32
12	35
18	35
14	31
2	27
4	43
16	20
3	43
6	8
2	55
8	32
10	15
13	15
10	23
2	56
3	60
11	36
1	52
1	23
3	47
9	0
10	16
10	7

Margin (mm)	Years the old record stood
8	107
16	60
33	80
60	60
32	53
20	45
15	68
34	43
25	35
9	53
89	43
7	104
25	47
8	101
13	68
13	48
23	56
35	23
37	97
10	68
34	80
31	80
12	68
14	23
56	35
12	56
20	56
30	31
33	60
11	88
10	60
5	112
11	45
21	80
25	69
17	96
82	12
6	71
4	96
15	35
56	43
14	108
33	12
48	12
33	12
18	39
18	20
25	31
38	23
34	60
36	31
12	44
34	12
23	7
11	8
29	12
3	104
53	60
3	101
14	80
8	43
2	113
5	68
20	0
48	23
27	53
1	72
9	68
4	72
2	118
2	107
10	40
25	21
23	15
20	3
30	44
10	4
12	3
1	100
13	20
20	2
33	23
18	35
11	12
4	72
1	107
41	23
8	60
36	31
2	97
38	12
13	35
7	47
7	53
22	32
15	25
51	35
7	40
31	43
12	72
31	12
7	43
9	59
9	39
8	45
6	45
23	15
6	60
4	80
44	43
35	23
3	44
6	45
1	89
15	8
10	32
18	12
31	8
17	43
2	42
5	68
5	45
11	20
5	44
6	56
17	60
14	43
5	80
7	28
7	7
15	32
5	45
38	23
17	60
23	40
3	68
8	43
33	12
8	23
9	60
5	31
10	43
15	28
1	65
2	71
8	60
12	43
5	32
7	23
3	60
1	68
3	59
5	39
18	0
21	40
3	43
7	40
8	43
7	61
6	56
7	35
13	21
8	23
18	31
13	8
20	8
8	23
13	35
18	43
9	4
9	23
18	12
18	12
18	12
5	25
25	20
15	12
15	32
12	35
18	35
14	31
2	27
4	43
16	20
3	43
6	8
2	55
8	32
10	15
13	15
10	23
2	56
3	60
11	36
1	52
1	23
3	47
9	0
10	16
10	7