Extreme rain in Netherlands and 2 other countries, 4 to 11 October 2020

Name: Extreme rain in Netherlands and 2 other countries, 4 to 11 October 2020
Start: 2020-10-04
End: 2020-10-11
Location: Netherlands, Germany, Denmark

Extreme rain in Netherlands and 2 other countries, 4 to 11 October 2020: 116 records at 108 stations, peak on 5 October 2020. Closed.

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

Key Facts

Extreme rain in Netherlands and 2 other countries, 4 to 11 October 2020 set or tied 116 station records at 108 stations.
It ran from 4 October 2020 to 11 October 2020 (8 days) and its peak day was 5 October 2020.
Status: closed.
Zaandam (Hembrug) set a daily record precipitation of 34.4 mm (1.4 in) on 6 October 2020.
The busiest day was 5 October 2020 with 32 records.
The oldest broken record in the ranked list had stood for 107 years.

Footprint

4 to 11 October 2020

The area covered by Extreme rain in Netherlands and 2 other countries, 4 to 11 October 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 Netherlands and 2 other countries, 4 to 11 October 2020: stations that set records in the event
Station	Type	Value	Date
Zaandam (Hembrug)	Record daily precipitation	34.4 mm (1.4 in)	2020-10-06
Hoofddorp	Record daily precipitation	30.7 mm (1.2 in)	2020-10-05
Bergen (Nh)	Record daily precipitation	56.9 mm (2.2 in)	2020-10-05
Lisse	Record daily precipitation	27.6 mm (1.1 in)	2020-10-05
Den Burg	Record daily precipitation	49.8 mm (2.0 in)	2020-10-05
Roelofarendsveen	Record daily precipitation	27.0 mm (1.1 in)	2020-10-05
Schmucke	Record daily precipitation	32.6 mm (1.3 in)	2020-10-09
Castricum	Record daily precipitation	53.8 mm (2.1 in)	2020-10-05
Overveen	Record daily precipitation	41.0 mm (1.6 in)	2020-10-05
Valkenburg-1	Record daily precipitation	26.5 mm (1.0 in)	2020-10-05
Gorinchem	Record daily precipitation	22.2 mm (0.9 in)	2020-10-06
Weilerswist-Lommersum	Record daily precipitation	15.7 mm (0.6 in)	2020-10-08
Loenen Aan de Vecht	Record daily precipitation	20.2 mm (0.8 in)	2020-10-10
Beekbergen	Record daily precipitation	22.7 mm (0.9 in)	2020-10-10
Harskamp	Record daily precipitation	19.0 mm (0.7 in)	2020-10-10
Voorthuizen	Record daily precipitation	20.9 mm (0.8 in)	2020-10-10
Warffum	Record daily precipitation	22.3 mm (0.9 in)	2020-10-11
Roden	Record daily precipitation	23.5 mm (0.9 in)	2020-10-11
Eenrum	Record daily precipitation	20.3 mm (0.8 in)	2020-10-11

Records per Day

Peak day 32

Records set or tied each day from 4 October 2020 to 11 October 2020. The most in one day was 32 on 5 October 2020.

Records per day during Extreme rain in Netherlands and 2 other countries, 4 to 11 October 2020
Date	Records
2020-10-04	1
2020-10-05	32
2020-10-06	17
2020-10-07	2
2020-10-08	21
2020-10-09	4
2020-10-10	27
2020-10-11	12

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Netherlands and 2 other countries, 4 to 11 October 2020 ranked by margin
Bergen (Nh), 10-05	21.3 mm (0.8 in)
Overveen, 10-05	13.6 mm (0.5 in)
Castricum, 10-05	13.3 mm (0.5 in)
Zaandam (Hembrug), 10-06	11.8 mm (0.5 in)
Roden, 10-11	11.1 mm (0.4 in)
Voorthuizen, 10-10	9.6 mm (0.38 in)
Warffum, 10-11	9.2 mm (0.36 in)
Beekbergen, 10-10	7.2 mm (0.28 in)
Loenen Aan de Vecht, 10-10	7.0 mm (0.28 in)
Gorinchem, 10-06	7.0 mm (0.28 in)
Lisse, 10-05	5.8 mm (0.23 in)
Eenrum, 10-11	5.8 mm (0.23 in)
Lisse, 10-06	5.7 mm (0.22 in)
Hoofddorp, 10-05	5.4 mm (0.21 in)
Harskamp, 10-10	5.3 mm (0.21 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

116 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 Netherlands and 2 other countries, 4 to 11 October 2020
Margin (mm)	Years the old record stood
3	107
12	65
11	52
5	82
9	60
21	14
6	82
3	64
6	65
6	60
10	39
4	79
1	82
7	56
7	47
13	14
7	40
5	47
14	14
3	64
7	39
8	23
3	47
2	65
3	57
1	6
2	60
12	3
4	47
4	47
2	65
9	31
1	65
5	47
1	65
5	37
10	12
7	23
2	47
9	1
4	38
2	47
10	12
3	47
10	14
5	32
2	47
2	39
3	40
3	39
1	53
2	39
3	37
4	43
5	14
1	47
4	39
3	33
5	17
5	12
2	37
7	12
5	23
4	23
7	12
6	27
1	38
6	12
1	39
5	17
0	47
3	31
1	37
3	32
5	7
6	12
6	1
7	14
5	12
1	37
0	32
1	27
4	12
2	23
1	35
4	14
6	11
1	18
3	20
4	12
2	23
2	12
1	23
4	12
3	9
1	22
2	20
0	23
0	23
0	23
2	5
2	14
2	8
2	20
0	8
1	17
3	1
4	3
1	23
1	9
2	1
2	1
1	1
0	7
1	6
1	1

Compared With Other Events

Station records per event

Station records in Extreme rain in Netherlands and 2 other countries, 4 to 11 October 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 Netherlands and 2 other countries, 4 to 11 October 2020 (this event)	116 records

Every Record Set

20 of 116

Every record set or tied during Extreme rain in Netherlands and 2 other countries, 4 to 11 October 2020, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2020-10-05	Hoofddorp	Record daily precipitation	30.7 mm (1.2 in)	5.4 mm (0.21 in)	82	42 of 100 (Notable)
2020-10-05	Bergen (Nh)	Record daily precipitation	56.9 mm (2.2 in)	21.3 mm (0.8 in)	14	42 of 100 (Notable)
2020-10-05	Lisse	Record daily precipitation	27.6 mm (1.1 in)	5.8 mm (0.23 in)	82	42 of 100 (Notable)
2020-10-05	Den Burg	Record daily precipitation	49.8 mm (2.0 in)	2.8 mm (0.11 in)	64	40 of 100 (Notable)
2020-10-05	Roelofarendsveen	Record daily precipitation	27.0 mm (1.1 in)	1.2 mm (0.05 in)	82	35 of 100 (Notable)
2020-10-05	Castricum	Record daily precipitation	53.8 mm (2.1 in)	13.3 mm (0.5 in)	14	32 of 100 (Routine)
2020-10-05	Overveen	Record daily precipitation	41.0 mm (1.6 in)	13.6 mm (0.5 in)	14	31 of 100 (Routine)
2020-10-05	Valkenburg-1	Record daily precipitation	26.5 mm (1.0 in)	2.5 mm (0.10 in)	64	30 of 100 (Routine)
2020-10-06	Zaandam (Hembrug)	Record daily precipitation	34.4 mm (1.4 in)	11.8 mm (0.5 in)	65	44 of 100 (Notable)
2020-10-06	Lisse	Record daily precipitation	26.9 mm (1.1 in)	5.7 mm (0.22 in)	65	37 of 100 (Notable)
2020-10-06	Gorinchem	Record daily precipitation	22.2 mm (0.9 in)	7.0 mm (0.28 in)	40	20 of 100 (Routine)
2020-10-08	Weilerswist-Lommersum	Record daily precipitation	15.7 mm (0.6 in)	2.7 mm (0.11 in)	107	20 of 100 (Routine)
2020-10-09	Schmucke	Record daily precipitation	32.6 mm (1.3 in)	3.6 mm (0.14 in)	79	35 of 100 (Notable)
2020-10-10	Loenen Aan de Vecht	Record daily precipitation	20.2 mm (0.8 in)	7.0 mm (0.28 in)	56	20 of 100 (Routine)
2020-10-10	Beekbergen	Record daily precipitation	22.7 mm (0.9 in)	7.2 mm (0.28 in)	47	20 of 100 (Routine)
2020-10-10	Harskamp	Record daily precipitation	19.0 mm (0.7 in)	5.3 mm (0.21 in)	47	20 of 100 (Routine)
2020-10-10	Voorthuizen	Record daily precipitation	20.9 mm (0.8 in)	9.6 mm (0.38 in)	39	20 of 100 (Routine)
2020-10-11	Warffum	Record daily precipitation	22.3 mm (0.9 in)	9.2 mm (0.36 in)	60	20 of 100 (Routine)
2020-10-11	Roden	Record daily precipitation	23.5 mm (0.9 in)	11.1 mm (0.4 in)	52	20 of 100 (Routine)
2020-10-11	Eenrum	Record daily precipitation	20.3 mm (0.8 in)	5.8 mm (0.23 in)	60	20 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 116 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
3	107
12	65
11	52
5	82
9	60
21	14
6	82
3	64
6	65
6	60
10	39
4	79
1	82
7	56
7	47
13	14
7	40
5	47
14	14
3	64
7	39
8	23
3	47
2	65
3	57
1	6
2	60
12	3
4	47
4	47
2	65
9	31
1	65
5	47
1	65
5	37
10	12
7	23
2	47
9	1
4	38
2	47
10	12
3	47
10	14
5	32
2	47
2	39
3	40
3	39
1	53
2	39
3	37
4	43
5	14
1	47
4	39
3	33
5	17
5	12
2	37
7	12
5	23
4	23
7	12
6	27
1	38
6	12
1	39
5	17
0	47
3	31
1	37
3	32
5	7
6	12
6	1
7	14
5	12
1	37
0	32
1	27
4	12
2	23
1	35
4	14
6	11
1	18
3	20
4	12
2	23
2	12
1	23
4	12
3	9
1	22
2	20
0	23
0	23
0	23
2	5
2	14
2	8
2	20
0	8
1	17
3	1
4	3
1	23
1	9
2	1
2	1
1	1
0	7
1	6
1	1

Margin (mm)	Years the old record stood
3	107
12	65
11	52
5	82
9	60
21	14
6	82
3	64
6	65
6	60
10	39
4	79
1	82
7	56
7	47
13	14
7	40
5	47
14	14
3	64
7	39
8	23
3	47
2	65
3	57
1	6
2	60
12	3
4	47
4	47
2	65
9	31
1	65
5	47
1	65
5	37
10	12
7	23
2	47
9	1
4	38
2	47
10	12
3	47
10	14
5	32
2	47
2	39
3	40
3	39
1	53
2	39
3	37
4	43
5	14
1	47
4	39
3	33
5	17
5	12
2	37
7	12
5	23
4	23
7	12
6	27
1	38
6	12
1	39
5	17
0	47
3	31
1	37
3	32
5	7
6	12
6	1
7	14
5	12
1	37
0	32
1	27
4	12
2	23
1	35
4	14
6	11
1	18
3	20
4	12
2	23
2	12
1	23
4	12
3	9
1	22
2	20
0	23
0	23
0	23
2	5
2	14
2	8
2	20
0	8
1	17
3	1
4	3
1	23
1	9
2	1
2	1
1	1
0	7
1	6
1	1

Margin (mm)	Years the old record stood
3	107
12	65
11	52
5	82
9	60
21	14
6	82
3	64
6	65
6	60
10	39
4	79
1	82
7	56
7	47
13	14
7	40
5	47
14	14
3	64
7	39
8	23
3	47
2	65
3	57
1	6
2	60
12	3
4	47
4	47
2	65
9	31
1	65
5	47
1	65
5	37
10	12
7	23
2	47
9	1
4	38
2	47
10	12
3	47
10	14
5	32
2	47
2	39
3	40
3	39
1	53
2	39
3	37
4	43
5	14
1	47
4	39
3	33
5	17
5	12
2	37
7	12
5	23
4	23
7	12
6	27
1	38
6	12
1	39
5	17
0	47
3	31
1	37
3	32
5	7
6	12
6	1
7	14
5	12
1	37
0	32
1	27
4	12
2	23
1	35
4	14
6	11
1	18
3	20
4	12
2	23
2	12
1	23
4	12
3	9
1	22
2	20
0	23
0	23
0	23
2	5
2	14
2	8
2	20
0	8
1	17
3	1
4	3
1	23
1	9
2	1
2	1
1	1
0	7
1	6
1	1