Extreme rain in United States, 12 to 22 June 2020

Name: Extreme rain in United States, 12 to 22 June 2020
Start: 2020-06-12
End: 2020-06-22
Location: United States

Extreme rain in United States, 12 to 22 June 2020: 288 records at 247 stations, peak on 17 June 2020. Closed.

Data as of 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Key Facts

Extreme rain in United States, 12 to 22 June 2020 set or tied 288 station records at 247 stations.
It ran from 12 June 2020 to 22 June 2020 (11 days) and its peak day was 17 June 2020.
Status: closed.
Emmett 2 E set a daily record precipitation of 33.5 mm (1.3 in) on 14 June 2020.
The busiest day was 17 June 2020 with 70 records.
The oldest broken record in the ranked list had stood for 112 years.

Footprint

12 to 22 June 2020

The area covered by Extreme rain in United States, 12 to 22 June 2020 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, 12 to 22 June 2020: stations that set records in the event
Station	Type	Value	Date
Emmett 2 E	Record daily precipitation	33.5 mm (1.3 in)	2020-06-14
Colville	Record daily precipitation	31.2 mm (1.2 in)	2020-06-15
Randolph	Record daily precipitation	36.3 mm (1.4 in)	2020-06-17
Republic	Record daily precipitation	29.5 mm (1.2 in)	2020-06-15
Parma Exp STN	Record daily precipitation	27.2 mm (1.1 in)	2020-06-14
Grace	Record daily precipitation	26.2 mm (1.0 in)	2020-06-16
Boise Air Terminal	Record daily precipitation	30.7 mm (1.2 in)	2020-06-13
Lakeview Ridge	Record daily precipitation	48.3 mm (1.9 in)	2020-06-16
Galena Summit	Record daily precipitation	35.6 mm (1.4 in)	2020-06-17
Disaster Peak	Record daily precipitation	30.5 mm (1.2 in)	2020-06-13
Plymouth	Record daily precipitation	26.7 mm (1.1 in)	2020-06-16
Wisdom	Record daily precipitation	31.8 mm (1.3 in)	2020-06-17
Divide	Record daily precipitation	63.5 mm (2.5 in)	2020-06-16
Boise 7 N	Record daily precipitation	38.4 mm (1.5 in)	2020-06-13
Barker Lakes	Record daily precipitation	45.7 mm (1.8 in)	2020-06-17
Bear Saddle	Record daily precipitation	38.1 mm (1.5 in)	2020-06-13
Crab Creek	Record daily precipitation	43.2 mm (1.7 in)	2020-06-16
Weaverville	Record daily precipitation	11.4 mm (0.4 in)	2020-06-12
Owyhee Dam	Record daily precipitation	19.6 mm (0.8 in)	2020-06-14
Chewelah	Record daily precipitation	20.1 mm (0.8 in)	2020-06-15

Records per Day

Peak day 70

Records set or tied each day from 12 June 2020 to 22 June 2020. The most in one day was 70 on 17 June 2020.

Records per day during Extreme rain in United States, 12 to 22 June 2020
Date	Records
2020-06-12	15
2020-06-13	50
2020-06-14	15
2020-06-15	49
2020-06-16	69
2020-06-17	70
2020-06-18	13
2020-06-19	2
2020-06-20	1
2020-06-21	1
2020-06-22	3

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in United States, 12 to 22 June 2020 ranked by margin
Lakeview Ridge, 06-16	33.1 mm (1.3 in)
Barker Lakes, 06-17	33.0 mm (1.3 in)
Crab Creek, 06-16	28.0 mm (1.1 in)
Disaster Peak, 06-13	25.4 mm (1.0 in)
Bear Saddle, 06-13	25.4 mm (1.0 in)
Emmett 2 E, 06-14	22.1 mm (0.9 in)
Plymouth, 06-16	21.6 mm (0.9 in)
Boise 7 N, 06-13	21.4 mm (0.8 in)
Parma Exp STN, 06-14	19.8 mm (0.8 in)
Colville, 06-15	19.3 mm (0.8 in)
Boise Air Terminal, 06-13	19.3 mm (0.8 in)
Wisdom, 06-17	19.1 mm (0.8 in)
Owyhee Dam, 06-14	13.2 mm (0.5 in)
Galena Summit, 06-17	12.7 mm (0.5 in)
Republic, 06-15	11.7 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

288 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, 12 to 22 June 2020
Margin (mm)	Years the old record stood
22	98
19	78
6	112
12	84
9	91
20	14
33	28
19	14
8	91
13	27
19	11
22	10
25	23
10	27
21	28
13	57
33	15
6	108
28	28
25	28
5	28
15	32
38	37
38	3
21	14
18	28
8	66
11	49
20	29
5	72
20	39
4	82
0	98
15	10
16	6
8	56
13	2
7	47
11	14
4	71
10	56
18	11
8	28
5	16
18	30
20	4
13	38
18	31
7	64
16	6
18	10
18	27
10	28
11	14
10	28
8	28
15	11
13	31
15	31
2	70
4	48
5	56
22	45
10	39
23	36
7	41
7	28
9	22
9	6
8	31
15	25
11	11
6	31
18	41
10	33
1	66
8	22
1	62
4	63
14	22
18	28
2	62
4	55
2	66
7	44
8	30
15	23
13	27
8	39
8	32
8	39
15	31
2	66
3	50
6	28
19	6
13	6
6	19
18	6
5	31
10	23
10	27
2	62
2	55
11	10
5	47
12	6
5	28
10	25
15	26
3	32
1	53
3	47
6	14
12	6
6	28
8	28
18	6
3	41
0	63
14	3
5	12
8	25
13	23
5	38
2	47
0	55
10	6
5	30
10	6
5	28
5	35
0	40
3	28
8	30
3	44
2	41
8	10
10	22
5	37
8	4
8	31
5	14
3	47
2	41
5	7
5	30
3	10
5	28
10	10
8	28
8	25
5	28
15	3
6	11
6	22
7	2
6	15
5	13
8	28
5	28
8	22
5	39
8	25
5	10
1	39
1	44
5	4
3	41
5	23
3	38
8	15
10	11
5	23
3	36
5	28
13	14
3	36
8	26
6	6
4	19
7	9
6	10
7	22
6	19
7	10
8	15
5	28
5	22
5	28
3	39
5	18
3	37
5	17
5	28
3	39
4	14
6	4
11	9
0	28

Compared With Other Events

Station records per event

Station records in Extreme rain in United States, 12 to 22 June 2020 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, 12 to 22 June 2020 (this event)	288 records

Every Record Set

20 of 288

Every record set or tied during Extreme rain in United States, 12 to 22 June 2020, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2020-06-12	Weaverville	Record daily precipitation	11.4 mm (0.4 in)	5.8 mm (0.23 in)	108	20 of 100 (Routine)
2020-06-13	Boise Air Terminal	Record daily precipitation	30.7 mm (1.2 in)	19.3 mm (0.8 in)	14	52 of 100 (Notable)
2020-06-13	Disaster Peak	Record daily precipitation	30.5 mm (1.2 in)	25.4 mm (1.0 in)	23	50 of 100 (Notable)
2020-06-13	Boise 7 N	Record daily precipitation	38.4 mm (1.5 in)	21.4 mm (0.8 in)	28	48 of 100 (Notable)
2020-06-13	Bear Saddle	Record daily precipitation	38.1 mm (1.5 in)	25.4 mm (1.0 in)	28	46 of 100 (Notable)
2020-06-14	Emmett 2 E	Record daily precipitation	33.5 mm (1.3 in)	22.1 mm (0.9 in)	98	79 of 100 (Major)
2020-06-14	Parma Exp STN	Record daily precipitation	27.2 mm (1.1 in)	19.8 mm (0.8 in)	14	53 of 100 (Notable)
2020-06-14	Owyhee Dam	Record daily precipitation	19.6 mm (0.8 in)	13.2 mm (0.5 in)	57	20 of 100 (Routine)
2020-06-15	Colville	Record daily precipitation	31.2 mm (1.2 in)	19.3 mm (0.8 in)	78	66 of 100 (Major)
2020-06-15	Republic	Record daily precipitation	29.5 mm (1.2 in)	11.7 mm (0.5 in)	84	56 of 100 (Notable)
2020-06-15	Chewelah	Record daily precipitation	20.1 mm (0.8 in)	7.9 mm (0.31 in)	91	20 of 100 (Routine)
2020-06-16	Grace	Record daily precipitation	26.2 mm (1.0 in)	8.7 mm (0.34 in)	91	53 of 100 (Notable)
2020-06-16	Lakeview Ridge	Record daily precipitation	48.3 mm (1.9 in)	33.1 mm (1.3 in)	28	52 of 100 (Notable)
2020-06-16	Plymouth	Record daily precipitation	26.7 mm (1.1 in)	21.6 mm (0.9 in)	10	50 of 100 (Notable)
2020-06-16	Divide	Record daily precipitation	63.5 mm (2.5 in)	10.2 mm (0.4 in)	27	49 of 100 (Notable)
2020-06-16	Crab Creek	Record daily precipitation	43.2 mm (1.7 in)	28.0 mm (1.1 in)	28	46 of 100 (Notable)
2020-06-17	Randolph	Record daily precipitation	36.3 mm (1.4 in)	6.3 mm (0.25 in)	112	63 of 100 (Major)
2020-06-17	Galena Summit	Record daily precipitation	35.6 mm (1.4 in)	12.7 mm (0.5 in)	27	51 of 100 (Notable)
2020-06-17	Wisdom	Record daily precipitation	31.8 mm (1.3 in)	19.1 mm (0.8 in)	11	50 of 100 (Notable)
2020-06-17	Barker Lakes	Record daily precipitation	45.7 mm (1.8 in)	33.0 mm (1.3 in)	15	48 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 288 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 2026-10-18. 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
22	98
19	78
6	112
12	84
9	91
20	14
33	28
19	14
8	91
13	27
19	11
22	10
25	23
10	27
21	28
13	57
33	15
6	108
28	28
25	28
5	28
15	32
38	37
38	3
21	14
18	28
8	66
11	49
20	29
5	72
20	39
4	82
0	98
15	10
16	6
8	56
13	2
7	47
11	14
4	71
10	56
18	11
8	28
5	16
18	30
20	4
13	38
18	31
7	64
16	6
18	10
18	27
10	28
11	14
10	28
8	28
15	11
13	31
15	31
2	70
4	48
5	56
22	45
10	39
23	36
7	41
7	28
9	22
9	6
8	31
15	25
11	11
6	31
18	41
10	33
1	66
8	22
1	62
4	63
14	22
18	28
2	62
4	55
2	66
7	44
8	30
15	23
13	27
8	39
8	32
8	39
15	31
2	66
3	50
6	28
19	6
13	6
6	19
18	6
5	31
10	23
10	27
2	62
2	55
11	10
5	47
12	6
5	28
10	25
15	26
3	32
1	53
3	47
6	14
12	6
6	28
8	28
18	6
3	41
0	63
14	3
5	12
8	25
13	23
5	38
2	47
0	55
10	6
5	30
10	6
5	28
5	35
0	40
3	28
8	30
3	44
2	41
8	10
10	22
5	37
8	4
8	31
5	14
3	47
2	41
5	7
5	30
3	10
5	28
10	10
8	28
8	25
5	28
15	3
6	11
6	22
7	2
6	15
5	13
8	28
5	28
8	22
5	39
8	25
5	10
1	39
1	44
5	4
3	41
5	23
3	38
8	15
10	11
5	23
3	36
5	28
13	14
3	36
8	26
6	6
4	19
7	9
6	10
7	22
6	19
7	10
8	15
5	28
5	22
5	28
3	39
5	18
3	37
5	17
5	28
3	39
4	14
6	4
11	9
0	28

Margin (mm)	Years the old record stood
22	98
19	78
6	112
12	84
9	91
20	14
33	28
19	14
8	91
13	27
19	11
22	10
25	23
10	27
21	28
13	57
33	15
6	108
28	28
25	28
5	28
15	32
38	37
38	3
21	14
18	28
8	66
11	49
20	29
5	72
20	39
4	82
0	98
15	10
16	6
8	56
13	2
7	47
11	14
4	71
10	56
18	11
8	28
5	16
18	30
20	4
13	38
18	31
7	64
16	6
18	10
18	27
10	28
11	14
10	28
8	28
15	11
13	31
15	31
2	70
4	48
5	56
22	45
10	39
23	36
7	41
7	28
9	22
9	6
8	31
15	25
11	11
6	31
18	41
10	33
1	66
8	22
1	62
4	63
14	22
18	28
2	62
4	55
2	66
7	44
8	30
15	23
13	27
8	39
8	32
8	39
15	31
2	66
3	50
6	28
19	6
13	6
6	19
18	6
5	31
10	23
10	27
2	62
2	55
11	10
5	47
12	6
5	28
10	25
15	26
3	32
1	53
3	47
6	14
12	6
6	28
8	28
18	6
3	41
0	63
14	3
5	12
8	25
13	23
5	38
2	47
0	55
10	6
5	30
10	6
5	28
5	35
0	40
3	28
8	30
3	44
2	41
8	10
10	22
5	37
8	4
8	31
5	14
3	47
2	41
5	7
5	30
3	10
5	28
10	10
8	28
8	25
5	28
15	3
6	11
6	22
7	2
6	15
5	13
8	28
5	28
8	22
5	39
8	25
5	10
1	39
1	44
5	4
3	41
5	23
3	38
8	15
10	11
5	23
3	36
5	28
13	14
3	36
8	26
6	6
4	19
7	9
6	10
7	22
6	19
7	10
8	15
5	28
5	22
5	28
3	39
5	18
3	37
5	17
5	28
3	39
4	14
6	4
11	9
0	28

Margin (mm)	Years the old record stood
22	98
19	78
6	112
12	84
9	91
20	14
33	28
19	14
8	91
13	27
19	11
22	10
25	23
10	27
21	28
13	57
33	15
6	108
28	28
25	28
5	28
15	32
38	37
38	3
21	14
18	28
8	66
11	49
20	29
5	72
20	39
4	82
0	98
15	10
16	6
8	56
13	2
7	47
11	14
4	71
10	56
18	11
8	28
5	16
18	30
20	4
13	38
18	31
7	64
16	6
18	10
18	27
10	28
11	14
10	28
8	28
15	11
13	31
15	31
2	70
4	48
5	56
22	45
10	39
23	36
7	41
7	28
9	22
9	6
8	31
15	25
11	11
6	31
18	41
10	33
1	66
8	22
1	62
4	63
14	22
18	28
2	62
4	55
2	66
7	44
8	30
15	23
13	27
8	39
8	32
8	39
15	31
2	66
3	50
6	28
19	6
13	6
6	19
18	6
5	31
10	23
10	27
2	62
2	55
11	10
5	47
12	6
5	28
10	25
15	26
3	32
1	53
3	47
6	14
12	6
6	28
8	28
18	6
3	41
0	63
14	3
5	12
8	25
13	23
5	38
2	47
0	55
10	6
5	30
10	6
5	28
5	35
0	40
3	28
8	30
3	44
2	41
8	10
10	22
5	37
8	4
8	31
5	14
3	47
2	41
5	7
5	30
3	10
5	28
10	10
8	28
8	25
5	28
15	3
6	11
6	22
7	2
6	15
5	13
8	28
5	28
8	22
5	39
8	25
5	10
1	39
1	44
5	4
3	41
5	23
3	38
8	15
10	11
5	23
3	36
5	28
13	14
3	36
8	26
6	6
4	19
7	9
6	10
7	22
6	19
7	10
8	15
5	28
5	22
5	28
3	39
5	18
3	37
5	17
5	28
3	39
4	14
6	4
11	9
0	28