Extreme rain in United States, 22 to 30 January 2020

Name: Extreme rain in United States, 22 to 30 January 2020
Start: 2020-01-22
End: 2020-01-30
Location: United States

Extreme rain in United States, 22 to 30 January 2020: 109 records at 104 stations, peak on 28 January 2020. Closed.

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

Key Facts

Extreme rain in United States, 22 to 30 January 2020 set or tied 109 station records at 104 stations.
It ran from 22 January 2020 to 30 January 2020 (9 days) and its peak day was 28 January 2020.
Status: closed.
Blaine set a daily record precipitation of 115.1 mm (4.5 in) on 23 January 2020.
The busiest day was 28 January 2020 with 33 records.
The oldest broken record in the ranked list had stood for 127 years.

Footprint

22 to 30 January 2020

The area covered by Extreme rain in United States, 22 to 30 January 2020 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, 22 to 30 January 2020: stations that set records in the event
Station	Type	Value	Date
Blaine	Record daily precipitation	115.1 mm (4.5 in)	2020-01-23
Bremerton	Record daily precipitation	41.1 mm (1.6 in)	2020-01-22
Cascade Locks	Record daily precipitation	57.2 mm (2.3 in)	2020-01-23
Boise 7 N	Record daily precipitation	35.8 mm (1.4 in)	2020-01-24
Cottage Grove Dam	Record daily precipitation	48.3 mm (1.9 in)	2020-01-27
Falls City 2 SSW	Record daily precipitation	62.0 mm (2.4 in)	2020-01-28
Spencer Meadow	Record daily precipitation	101.6 mm (4.0 in)	2020-01-22
Sheep Canyon	Record daily precipitation	114.3 mm (4.5 in)	2020-01-23
Mt Adams Rs	Record daily precipitation	29.7 mm (1.2 in)	2020-01-23
Volta Ph	Record daily precipitation	65.5 mm (2.6 in)	2020-01-27
Saint Anthony	Record daily precipitation	16.5 mm (0.6 in)	2020-01-26
Boise Air Terminal	Record daily precipitation	18.8 mm (0.7 in)	2020-01-26
Swan Falls Ph	Record daily precipitation	7.6 mm (0.30 in)	2020-01-27
Alpine	Record daily precipitation	15.5 mm (0.6 in)	2020-01-27
Sugar City	Record daily precipitation	15.2 mm (0.6 in)	2020-01-28
Wisdom	Record daily precipitation	7.4 mm (0.29 in)	2020-01-28
Moro	Record daily precipitation	10.7 mm (0.4 in)	2020-01-28
Pavillion	Record daily precipitation	5.1 mm (0.20 in)	2020-01-28
Spokane Intl AP	Record daily precipitation	10.2 mm (0.4 in)	2020-01-28

Records per Day

Peak day 33

Records set or tied each day from 22 January 2020 to 30 January 2020. The most in one day was 33 on 28 January 2020.

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in United States, 22 to 30 January 2020 ranked by margin
Sheep Canyon, 01-23	58.4 mm (2.3 in)
Blaine, 01-23	57.9 mm (2.3 in)
Spencer Meadow, 01-22	55.9 mm (2.2 in)
Spencer Meadow, 01-23	40.6 mm (1.6 in)
Boise 7 N, 01-24	19.3 mm (0.8 in)
Cottage Grove Dam, 01-27	18.8 mm (0.7 in)
Volta Ph, 01-27	16.5 mm (0.6 in)
Boise Air Terminal, 01-26	8.6 mm (0.34 in)
Sugar City, 01-28	7.6 mm (0.30 in)
Bremerton, 01-22	6.6 mm (0.26 in)
Cascade Locks, 01-23	6.4 mm (0.25 in)
Saint Anthony, 01-26	5.3 mm (0.21 in)
Mt Adams Rs, 01-23	4.0 mm (0.16 in)
Moro, 01-28	3.1 mm (0.12 in)
Falls City 2 SSW, 01-28	2.8 mm (0.11 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

109 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, 22 to 30 January 2020
Margin (mm)	Years the old record stood
58	37
8	84
3	94
7	104
9	49
6	100
5	64
19	4
2	77
19	60
3	112
1	127
2	80
56	29
58	26
0	92
4	85
1	70
41	36
17	38
8	36
10	8
1	65
8	37
15	28
16	20
0	60
5	54
7	20
8	6
4	54
33	28
3	25
4	24
3	54
7	48
2	50
8	24
15	17
12	10
8	16
0	50
8	6
5	38
4	9
7	45
3	24
10	37
36	36
8	29
5	52
10	22
8	24
3	37
10	17
1	0
7	28
5	25
2	52
5	16
8	24
5	38
7	37
0	49
3	8
5	24
3	14
3	40
23	16
2	36
2	25
1	20
4	20
3	29
2	21
4	17
2	20
3	24
3	29
8	28
5	16
3	22
1	9
1	13
3	28
1	24
3	29
3	24
8	28
0	29
5	6
5	13
3	20
2	20
1	22
9	1
3	17
3	13
3	16
3	13
1	13
3	12
13	1
0	17
3	12
0	13
3	4
0	10
1	1

Compared With Other Events

Station records per event

Station records in Extreme rain in United States, 22 to 30 January 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, 22 to 30 January 2020 (this event)	109 records

Every Record Set

20 of 109

Every record set or tied during Extreme rain in United States, 22 to 30 January 2020, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2020-01-22	Bremerton	Record daily precipitation	41.1 mm (1.6 in)	6.6 mm (0.26 in)	104	45 of 100 (Notable)
2020-01-22	Spencer Meadow	Record daily precipitation	101.6 mm (4.0 in)	55.9 mm (2.2 in)	29	39 of 100 (Notable)
2020-01-23	Blaine	Record daily precipitation	115.1 mm (4.5 in)	57.9 mm (2.3 in)	37	61 of 100 (Major)
2020-01-23	Cascade Locks	Record daily precipitation	57.2 mm (2.3 in)	6.4 mm (0.25 in)	100	43 of 100 (Notable)
2020-01-23	Sheep Canyon	Record daily precipitation	114.3 mm (4.5 in)	58.4 mm (2.3 in)	26	39 of 100 (Notable)
2020-01-23	Mt Adams Rs	Record daily precipitation	29.7 mm (1.2 in)	4.0 mm (0.16 in)	85	37 of 100 (Notable)
2020-01-23	Spencer Meadow	Record daily precipitation	101.6 mm (4.0 in)	40.6 mm (1.6 in)	36	33 of 100 (Routine)
2020-01-24	Boise 7 N	Record daily precipitation	35.8 mm (1.4 in)	19.3 mm (0.8 in)	4	41 of 100 (Notable)
2020-01-26	Saint Anthony	Record daily precipitation	16.5 mm (0.6 in)	5.3 mm (0.21 in)	64	20 of 100 (Routine)
2020-01-26	Boise Air Terminal	Record daily precipitation	18.8 mm (0.7 in)	8.6 mm (0.34 in)	49	20 of 100 (Routine)
2020-01-27	Cottage Grove Dam	Record daily precipitation	48.3 mm (1.9 in)	18.8 mm (0.7 in)	60	41 of 100 (Notable)
2020-01-27	Volta Ph	Record daily precipitation	65.5 mm (2.6 in)	16.5 mm (0.6 in)	38	32 of 100 (Routine)
2020-01-27	Swan Falls Ph	Record daily precipitation	7.6 mm (0.30 in)	2.3 mm (0.09 in)	80	20 of 100 (Routine)
2020-01-27	Alpine	Record daily precipitation	15.5 mm (0.6 in)	0.3 mm (0.01 in)	92	20 of 100 (Routine)
2020-01-28	Falls City 2 SSW	Record daily precipitation	62.0 mm (2.4 in)	2.8 mm (0.11 in)	112	41 of 100 (Notable)
2020-01-28	Sugar City	Record daily precipitation	15.2 mm (0.6 in)	7.6 mm (0.30 in)	84	20 of 100 (Routine)
2020-01-28	Wisdom	Record daily precipitation	7.4 mm (0.29 in)	2.3 mm (0.09 in)	77	20 of 100 (Routine)
2020-01-28	Moro	Record daily precipitation	10.7 mm (0.4 in)	3.1 mm (0.12 in)	94	20 of 100 (Routine)
2020-01-28	Pavillion	Record daily precipitation	5.1 mm (0.20 in)	1.0 mm (0.04 in)	70	20 of 100 (Routine)
2020-01-28	Spokane Intl AP	Record daily precipitation	10.2 mm (0.4 in)	0.5 mm (0.02 in)	127	20 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 109 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
58	37
8	84
3	94
7	104
9	49
6	100
5	64
19	4
2	77
19	60
3	112
1	127
2	80
56	29
58	26
0	92
4	85
1	70
41	36
17	38
8	36
10	8
1	65
8	37
15	28
16	20
0	60
5	54
7	20
8	6
4	54
33	28
3	25
4	24
3	54
7	48
2	50
8	24
15	17
12	10
8	16
0	50
8	6
5	38
4	9
7	45
3	24
10	37
36	36
8	29
5	52
10	22
8	24
3	37
10	17
1	0
7	28
5	25
2	52
5	16
8	24
5	38
7	37
0	49
3	8
5	24
3	14
3	40
23	16
2	36
2	25
1	20
4	20
3	29
2	21
4	17
2	20
3	24
3	29
8	28
5	16
3	22
1	9
1	13
3	28
1	24
3	29
3	24
8	28
0	29
5	6
5	13
3	20
2	20
1	22
9	1
3	17
3	13
3	16
3	13
1	13
3	12
13	1
0	17
3	12
0	13
3	4
0	10
1	1

Margin (mm)	Years the old record stood
58	37
8	84
3	94
7	104
9	49
6	100
5	64
19	4
2	77
19	60
3	112
1	127
2	80
56	29
58	26
0	92
4	85
1	70
41	36
17	38
8	36
10	8
1	65
8	37
15	28
16	20
0	60
5	54
7	20
8	6
4	54
33	28
3	25
4	24
3	54
7	48
2	50
8	24
15	17
12	10
8	16
0	50
8	6
5	38
4	9
7	45
3	24
10	37
36	36
8	29
5	52
10	22
8	24
3	37
10	17
1	0
7	28
5	25
2	52
5	16
8	24
5	38
7	37
0	49
3	8
5	24
3	14
3	40
23	16
2	36
2	25
1	20
4	20
3	29
2	21
4	17
2	20
3	24
3	29
8	28
5	16
3	22
1	9
1	13
3	28
1	24
3	29
3	24
8	28
0	29
5	6
5	13
3	20
2	20
1	22
9	1
3	17
3	13
3	16
3	13
1	13
3	12
13	1
0	17
3	12
0	13
3	4
0	10
1	1

Margin (mm)	Years the old record stood
58	37
8	84
3	94
7	104
9	49
6	100
5	64
19	4
2	77
19	60
3	112
1	127
2	80
56	29
58	26
0	92
4	85
1	70
41	36
17	38
8	36
10	8
1	65
8	37
15	28
16	20
0	60
5	54
7	20
8	6
4	54
33	28
3	25
4	24
3	54
7	48
2	50
8	24
15	17
12	10
8	16
0	50
8	6
5	38
4	9
7	45
3	24
10	37
36	36
8	29
5	52
10	22
8	24
3	37
10	17
1	0
7	28
5	25
2	52
5	16
8	24
5	38
7	37
0	49
3	8
5	24
3	14
3	40
23	16
2	36
2	25
1	20
4	20
3	29
2	21
4	17
2	20
3	24
3	29
8	28
5	16
3	22
1	9
1	13
3	28
1	24
3	29
3	24
8	28
0	29
5	6
5	13
3	20
2	20
1	22
9	1
3	17
3	13
3	16
3	13
1	13
3	12
13	1
0	17
3	12
0	13
3	4
0	10
1	1