Extreme rain in Norway and 5 other countries, 25 to 31 July 2020

Name: Extreme rain in Norway and 5 other countries, 25 to 31 July 2020
Start: 2020-07-25
End: 2020-07-31
Location: Norway, Sweden, Finland, Russia, Estonia, Latvia

Extreme rain in Norway and 5 other countries, 25 to 31 July 2020: 129 records at 108 stations, peak on 26 July 2020. Closed.

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

Key Facts

Extreme rain in Norway and 5 other countries, 25 to 31 July 2020 set or tied 129 station records at 108 stations.
It ran from 25 July 2020 to 31 July 2020 (7 days) and its peak day was 26 July 2020.
Status: closed.
Delsbo set a daily record precipitation of 27.4 mm (1.1 in) on 28 July 2020.
The busiest day was 26 July 2020 with 43 records.
The oldest broken record in the ranked list had stood for 140 years.

Footprint

25 to 31 July 2020

The area covered by Extreme rain in Norway and 5 other countries, 25 to 31 July 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 Norway and 5 other countries, 25 to 31 July 2020: stations that set records in the event
Station	Type	Value	Date
Delsbo	Record daily precipitation	27.4 mm (1.1 in)	2020-07-28
Reboly	Record daily precipitation	31.0 mm (1.2 in)	2020-07-30
Vang I Valdres	Record daily precipitation	30.0 mm (1.2 in)	2020-07-26
Mogen	Record daily precipitation	33.3 mm (1.3 in)	2020-07-26
Karlsborg_Mo	Record daily precipitation	29.7 mm (1.2 in)	2020-07-26
Aseral	Record daily precipitation	44.3 mm (1.7 in)	2020-07-26
Tullinge A	Record daily precipitation	25.4 mm (1.0 in)	2020-07-30
Risnes I Fjotland	Record daily precipitation	42.5 mm (1.7 in)	2020-07-26
Rjukan	Record daily precipitation	35.0 mm (1.4 in)	2020-07-26
Beito	Record daily precipitation	44.1 mm (1.7 in)	2020-07-26
Kankaanpaa Niinisalo Puolustus	Record daily precipitation	36.1 mm (1.4 in)	2020-07-29
Bjornholt	Record daily precipitation	30.3 mm (1.2 in)	2020-07-26
Sokna II	Record daily precipitation	42.0 mm (1.7 in)	2020-07-26
Nelaug	Record daily precipitation	44.0 mm (1.7 in)	2020-07-27
Soyland I Gjesdal	Record daily precipitation	41.4 mm (1.6 in)	2020-07-28
Rauland	Record daily precipitation	35.7 mm (1.4 in)	2020-07-26
Bykle - Kultran	Record daily precipitation	32.8 mm (1.3 in)	2020-07-26
Ovre Ardal	Record daily precipitation	22.4 mm (0.9 in)	2020-07-26
Letafors	Record daily precipitation	22.2 mm (0.9 in)	2020-07-28
Ruhnu	Record daily precipitation	14.8 mm (0.6 in)	2020-07-31

Records per Day

Peak day 43

Records set or tied each day from 25 July 2020 to 31 July 2020. The most in one day was 43 on 26 July 2020.

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Norway and 5 other countries, 25 to 31 July 2020 ranked by margin
Nelaug, 07-27	33.7 mm (1.3 in)
Bykle - Kultran, 07-26	21.7 mm (0.9 in)
Sokna II, 07-26	21.5 mm (0.8 in)
Karlsborg_Mo, 07-26	21.0 mm (0.8 in)
Mogen, 07-26	20.2 mm (0.8 in)
Kankaanpaa Niinisalo Puolustus, 07-29	17.5 mm (0.7 in)
Delsbo, 07-28	17.2 mm (0.7 in)
Ovre Ardal, 07-26	15.7 mm (0.6 in)
Reboly, 07-30	14.9 mm (0.6 in)
Letafors, 07-28	13.5 mm (0.5 in)
Tullinge A, 07-30	12.5 mm (0.5 in)
Beito, 07-26	10.3 mm (0.4 in)
Aseral, 07-26	9.2 mm (0.36 in)
Vang I Valdres, 07-26	8.6 mm (0.34 in)
Risnes I Fjotland, 07-26	6.5 mm (0.26 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

129 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 Norway and 5 other countries, 25 to 31 July 2020
Margin (mm)	Years the old record stood
17	140
15	66
9	112
20	55
21	43
9	95
16	28
6	92
13	70
7	95
4	118
18	37
10	68
14	50
1	111
22	23
6	85
34	4
2	95
22	20
6	76
14	48
1	82
22	42
15	43
11	26
5	76
8	55
8	55
7	56
7	63
6	66
20	1
5	54
24	4
12	28
5	59
9	47
6	49
23	3
0	75
17	2
6	59
2	49
3	59
5	55
20	2
8	37
9	33
9	32
3	59
14	17
12	19
6	48
5	50
1	59
12	20
1	55
10	20
2	53
1	56
21	6
6	39
1	55
10	16
4	33
10	13
3	42
4	41
1	47
1	49
0	50
4	38
5	28
2	39
7	23
2	33
2	37
6	19
1	27
8	13
12	13
12	4
1	39
6	19
4	35
1	43
6	7
4	17
3	31
2	16
0	39
3	22
5	23
9	3
5	4
5	8
6	4
4	11
4	5
2	19
3	20
2	17
0	22
2	14
3	13
1	23
3	3
2	22
3	8
5	2
5	2
1	8
0	20
0	2
0	7
2	6
0	8
1	8
0	14
3	3
1	3
0	7
2	5
1	1
0	3
3	2
1	3
0	4

Compared With Other Events

Station records per event

Station records in Extreme rain in Norway and 5 other countries, 25 to 31 July 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 Norway and 5 other countries, 25 to 31 July 2020 (this event)	129 records

Every Record Set

20 of 129

Every record set or tied during Extreme rain in Norway and 5 other countries, 25 to 31 July 2020, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2020-07-26	Vang I Valdres	Record daily precipitation	30.0 mm (1.2 in)	8.6 mm (0.34 in)	112	52 of 100 (Notable)
2020-07-26	Mogen	Record daily precipitation	33.3 mm (1.3 in)	20.2 mm (0.8 in)	55	52 of 100 (Notable)
2020-07-26	Karlsborg_Mo	Record daily precipitation	29.7 mm (1.2 in)	21.0 mm (0.8 in)	43	50 of 100 (Notable)
2020-07-26	Aseral	Record daily precipitation	44.3 mm (1.7 in)	9.2 mm (0.36 in)	95	47 of 100 (Notable)
2020-07-26	Risnes I Fjotland	Record daily precipitation	42.5 mm (1.7 in)	6.5 mm (0.26 in)	95	45 of 100 (Notable)
2020-07-26	Rjukan	Record daily precipitation	35.0 mm (1.4 in)	4.0 mm (0.16 in)	118	44 of 100 (Notable)
2020-07-26	Beito	Record daily precipitation	44.1 mm (1.7 in)	10.3 mm (0.4 in)	68	43 of 100 (Notable)
2020-07-26	Bjornholt	Record daily precipitation	30.3 mm (1.2 in)	1.1 mm (0.04 in)	111	41 of 100 (Notable)
2020-07-26	Sokna II	Record daily precipitation	42.0 mm (1.7 in)	21.5 mm (0.8 in)	23	41 of 100 (Notable)
2020-07-26	Rauland	Record daily precipitation	35.7 mm (1.4 in)	1.9 mm (0.07 in)	95	40 of 100 (Notable)
2020-07-26	Bykle - Kultran	Record daily precipitation	32.8 mm (1.3 in)	21.7 mm (0.9 in)	20	40 of 100 (Notable)
2020-07-26	Ovre Ardal	Record daily precipitation	22.4 mm (0.9 in)	15.7 mm (0.6 in)	28	20 of 100 (Routine)
2020-07-27	Nelaug	Record daily precipitation	44.0 mm (1.7 in)	33.7 mm (1.3 in)	4	41 of 100 (Notable)
2020-07-28	Delsbo	Record daily precipitation	27.4 mm (1.1 in)	17.2 mm (0.7 in)	140	63 of 100 (Major)
2020-07-28	Soyland I Gjesdal	Record daily precipitation	41.4 mm (1.6 in)	6.2 mm (0.24 in)	85	41 of 100 (Notable)
2020-07-28	Letafors	Record daily precipitation	22.2 mm (0.9 in)	13.5 mm (0.5 in)	50	20 of 100 (Routine)
2020-07-29	Kankaanpaa Niinisalo Puolustus	Record daily precipitation	36.1 mm (1.4 in)	17.5 mm (0.7 in)	37	43 of 100 (Notable)
2020-07-30	Reboly	Record daily precipitation	31.0 mm (1.2 in)	14.9 mm (0.6 in)	66	53 of 100 (Notable)
2020-07-30	Tullinge A	Record daily precipitation	25.4 mm (1.0 in)	12.5 mm (0.5 in)	70	46 of 100 (Notable)
2020-07-31	Ruhnu	Record daily precipitation	14.8 mm (0.6 in)	6.4 mm (0.25 in)	92	20 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 129 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.

Date	Records
2020-07-25	5
2020-07-26	43
2020-07-27	12
2020-07-28	28
2020-07-29	22
2020-07-30	18
2020-07-31	1

Margin (mm)	Years the old record stood
17	140
15	66
9	112
20	55
21	43
9	95
16	28
6	92
13	70
7	95
4	118
18	37
10	68
14	50
1	111
22	23
6	85
34	4
2	95
22	20
6	76
14	48
1	82
22	42
15	43
11	26
5	76
8	55
8	55
7	56
7	63
6	66
20	1
5	54
24	4
12	28
5	59
9	47
6	49
23	3
0	75
17	2
6	59
2	49
3	59
5	55
20	2
8	37
9	33
9	32
3	59
14	17
12	19
6	48
5	50
1	59
12	20
1	55
10	20
2	53
1	56
21	6
6	39
1	55
10	16
4	33
10	13
3	42
4	41
1	47
1	49
0	50
4	38
5	28
2	39
7	23
2	33
2	37
6	19
1	27
8	13
12	13
12	4
1	39
6	19
4	35
1	43
6	7
4	17
3	31
2	16
0	39
3	22
5	23
9	3
5	4
5	8
6	4
4	11
4	5
2	19
3	20
2	17
0	22
2	14
3	13
1	23
3	3
2	22
3	8
5	2
5	2
1	8
0	20
0	2
0	7
2	6
0	8
1	8
0	14
3	3
1	3
0	7
2	5
1	1
0	3
3	2
1	3
0	4

Margin (mm)	Years the old record stood
17	140
15	66
9	112
20	55
21	43
9	95
16	28
6	92
13	70
7	95
4	118
18	37
10	68
14	50
1	111
22	23
6	85
34	4
2	95
22	20
6	76
14	48
1	82
22	42
15	43
11	26
5	76
8	55
8	55
7	56
7	63
6	66
20	1
5	54
24	4
12	28
5	59
9	47
6	49
23	3
0	75
17	2
6	59
2	49
3	59
5	55
20	2
8	37
9	33
9	32
3	59
14	17
12	19
6	48
5	50
1	59
12	20
1	55
10	20
2	53
1	56
21	6
6	39
1	55
10	16
4	33
10	13
3	42
4	41
1	47
1	49
0	50
4	38
5	28
2	39
7	23
2	33
2	37
6	19
1	27
8	13
12	13
12	4
1	39
6	19
4	35
1	43
6	7
4	17
3	31
2	16
0	39
3	22
5	23
9	3
5	4
5	8
6	4
4	11
4	5
2	19
3	20
2	17
0	22
2	14
3	13
1	23
3	3
2	22
3	8
5	2
5	2
1	8
0	20
0	2
0	7
2	6
0	8
1	8
0	14
3	3
1	3
0	7
2	5
1	1
0	3
3	2
1	3
0	4

Margin (mm)	Years the old record stood
17	140
15	66
9	112
20	55
21	43
9	95
16	28
6	92
13	70
7	95
4	118
18	37
10	68
14	50
1	111
22	23
6	85
34	4
2	95
22	20
6	76
14	48
1	82
22	42
15	43
11	26
5	76
8	55
8	55
7	56
7	63
6	66
20	1
5	54
24	4
12	28
5	59
9	47
6	49
23	3
0	75
17	2
6	59
2	49
3	59
5	55
20	2
8	37
9	33
9	32
3	59
14	17
12	19
6	48
5	50
1	59
12	20
1	55
10	20
2	53
1	56
21	6
6	39
1	55
10	16
4	33
10	13
3	42
4	41
1	47
1	49
0	50
4	38
5	28
2	39
7	23
2	33
2	37
6	19
1	27
8	13
12	13
12	4
1	39
6	19
4	35
1	43
6	7
4	17
3	31
2	16
0	39
3	22
5	23
9	3
5	4
5	8
6	4
4	11
4	5
2	19
3	20
2	17
0	22
2	14
3	13
1	23
3	3
2	22
3	8
5	2
5	2
1	8
0	20
0	2
0	7
2	6
0	8
1	8
0	14
3	3
1	3
0	7
2	5
1	1
0	3
3	2
1	3
0	4