Extreme rain in Sweden and 7 other countries, 9 to 15 March 2021

Name: Extreme rain in Sweden and 7 other countries, 9 to 15 March 2021
Start: 2021-03-09
End: 2021-03-15
Location: Sweden, Germany, Norway, Netherlands, France, Denmark, Lithuania, Switzerland

Extreme rain in Sweden and 7 other countries, 9 to 15 March 2021: 293 records at 262 stations, peak on 11 March 2021. Closed.

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

Key Facts

Extreme rain in Sweden and 7 other countries, 9 to 15 March 2021 set or tied 293 station records at 262 stations.
It ran from 9 March 2021 to 15 March 2021 (7 days) and its peak day was 11 March 2021.
Status: closed.
Mogen set a daily record precipitation of 32.4 mm (1.3 in) on 10 March 2021.
The busiest day was 11 March 2021 with 140 records.
The oldest broken record in the ranked list had stood for 139 years.

Footprint

9 to 15 March 2021

The area covered by Extreme rain in Sweden and 7 other countries, 9 to 15 March 2021 is outlined, with 20 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Extreme rain in Sweden and 7 other countries, 9 to 15 March 2021: stations that set records in the event
Station	Type	Value	Date
Mogen	Record daily precipitation	32.4 mm (1.3 in)	2021-03-10
Mosstrand II	Record daily precipitation	46.1 mm (1.8 in)	2021-03-10
Mykland	Record daily precipitation	42.4 mm (1.7 in)	2021-03-10
Nelaug	Record daily precipitation	59.4 mm (2.3 in)	2021-03-10
Bakke	Record daily precipitation	79.1 mm (3.1 in)	2021-03-10
Mestad I Oddernes	Record daily precipitation	71.4 mm (2.8 in)	2021-03-10
Obrestad Fyr	Record daily precipitation	56.0 mm (2.2 in)	2021-03-10
Eikeland	Record daily precipitation	64.0 mm (2.5 in)	2021-03-10
Biri	Record daily precipitation	14.9 mm (0.6 in)	2021-03-10
Tunhovd	Record daily precipitation	16.3 mm (0.6 in)	2021-03-10
Rjukan	Record daily precipitation	14.0 mm (0.6 in)	2021-03-10
Fokstua	Record daily precipitation	12.5 mm (0.5 in)	2021-03-10
Grundau-Breitenborn	Record daily precipitation	18.1 mm (0.7 in)	2021-03-11
Bollerup	Record daily precipitation	20.2 mm (0.8 in)	2021-03-11
Tvingelshed	Record daily precipitation	24.6 mm (1.0 in)	2021-03-11
Varberg	Record daily precipitation	16.8 mm (0.7 in)	2021-03-11
Hallstaberg	Record daily precipitation	17.2 mm (0.7 in)	2021-03-11
Riddarhyttan	Record daily precipitation	23.2 mm (0.9 in)	2021-03-11
Strasbourg-Entzheim	Record daily precipitation	12.3 mm (0.5 in)	2021-03-13
Orrefors_D	Record daily precipitation	18.1 mm (0.7 in)	2021-03-15

Records per Day

Peak day 140

Records set or tied each day from 9 March 2021 to 15 March 2021. The most in one day was 140 on 11 March 2021.

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Sweden and 7 other countries, 9 to 15 March 2021 ranked by margin
Mestad I Oddernes, 03-10	36.1 mm (1.4 in)
Bakke, 03-10	34.9 mm (1.4 in)
Nelaug, 03-10	32.4 mm (1.3 in)
Eikeland, 03-10	29.4 mm (1.2 in)
Mykland, 03-10	24.8 mm (1.0 in)
Mogen, 03-10	21.1 mm (0.8 in)
Mosstrand II, 03-10	20.0 mm (0.8 in)
Obrestad Fyr, 03-10	17.9 mm (0.7 in)
Bollerup, 03-11	12.2 mm (0.5 in)
Tvingelshed, 03-11	12.1 mm (0.5 in)
Grundau-Breitenborn, 03-11	11.4 mm (0.4 in)
Hallstaberg, 03-11	11.4 mm (0.4 in)
Orrefors_D, 03-15	10.1 mm (0.4 in)
Tunhovd, 03-10	7.7 mm (0.30 in)
Fokstua, 03-10	6.0 mm (0.24 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

293 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 Sweden and 7 other countries, 9 to 15 March 2021
Margin (mm)	Years the old record stood
21	54
20	23
25	39
12	71
12	71
11	74
32	39
35	39
36	28
6	118
8	39
6	54
5	94
4	129
11	31
4	70
4	115
18	7
29	39
10	52
19	39
17	39
2	111
6	80
1	107
29	39
10	39
1	139
20	28
10	39
0	128
21	12
12	79
7	52
12	44
0	115
1	112
10	16
18	63
31	39
6	46
10	44
8	55
8	44
12	2
6	55
27	14
5	55
6	39
7	39
14	28
10	44
12	18
6	32
0	84
24	12
5	32
9	16
13	39
11	3
3	54
3	60
5	40
21	28
5	39
7	39
1	70
12	2
8	39
4	55
1	71
5	32
5	40
9	20
9	12
10	14
1	74
1	72
8	16
4	47
5	47
4	39
10	39
7	39
6	28
4	42
3	52
3	52
5	28
16	28
2	55
5	32
5	36
7	16
2	42
3	40
8	2
4	42
4	16
3	50
1	55
3	39
3	42
3	32
5	20
7	3
4	39
6	28
3	40
0	52
2	52
2	52
1	52
3	40
4	27
6	3
1	55
4	27
3	39
12	28
6	18
3	30
5	27
5	16
5	12
1	40
3	28
8	28
1	40
4	28
1	55
3	32
1	46
7	16
5	18
1	39
7	2
9	20
0	54
8	12
1	39
3	20
0	42
3	39
1	39
7	3
1	15
2	28
4	32
5	23
1	42
6	18
4	16
2	31
3	23
4	16
3	28
1	40
3	28
1	36
3	39
0	42
2	31
1	31
1	39
1	32
1	42
5	0
6	2
2	28
2	28
2	28
1	42
2	28
3	28
7	28
2	40
3	19
5	16
0	39
4	16
2	18
3	32
0	40
3	23
4	12
6	12
4	23
0	42
4	3
2	39
3	12
2	3
1	31
2	16
1	31
2	19
5	3
1	27
6	0

Compared With Other Events

Station records per event

Station records in Extreme rain in Sweden and 7 other countries, 9 to 15 March 2021 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 Sweden and 7 other countries, 9 to 15 March 2021 (this event)	293 records

Every Record Set

20 of 293

Every record set or tied during Extreme rain in Sweden and 7 other countries, 9 to 15 March 2021, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2021-03-10	Mogen	Record daily precipitation	32.4 mm (1.3 in)	21.1 mm (0.8 in)	54	62 of 100 (Major)
2021-03-10	Mosstrand II	Record daily precipitation	46.1 mm (1.8 in)	20.0 mm (0.8 in)	23	61 of 100 (Major)
2021-03-10	Mykland	Record daily precipitation	42.4 mm (1.7 in)	24.8 mm (1.0 in)	39	58 of 100 (Notable)
2021-03-10	Nelaug	Record daily precipitation	59.4 mm (2.3 in)	32.4 mm (1.3 in)	39	56 of 100 (Notable)
2021-03-10	Bakke	Record daily precipitation	79.1 mm (3.1 in)	34.9 mm (1.4 in)	39	54 of 100 (Notable)
2021-03-10	Mestad I Oddernes	Record daily precipitation	71.4 mm (2.8 in)	36.1 mm (1.4 in)	28	53 of 100 (Notable)
2021-03-10	Obrestad Fyr	Record daily precipitation	56.0 mm (2.2 in)	17.9 mm (0.7 in)	7	49 of 100 (Notable)
2021-03-10	Eikeland	Record daily precipitation	64.0 mm (2.5 in)	29.4 mm (1.2 in)	39	49 of 100 (Notable)
2021-03-10	Biri	Record daily precipitation	14.9 mm (0.6 in)	5.6 mm (0.22 in)	118	20 of 100 (Routine)
2021-03-10	Tunhovd	Record daily precipitation	16.3 mm (0.6 in)	7.7 mm (0.30 in)	39	20 of 100 (Routine)
2021-03-10	Rjukan	Record daily precipitation	14.0 mm (0.6 in)	4.0 mm (0.16 in)	115	20 of 100 (Routine)
2021-03-10	Fokstua	Record daily precipitation	12.5 mm (0.5 in)	6.0 mm (0.24 in)	54	20 of 100 (Routine)
2021-03-11	Grundau-Breitenborn	Record daily precipitation	18.1 mm (0.7 in)	11.4 mm (0.4 in)	74	20 of 100 (Routine)
2021-03-11	Bollerup	Record daily precipitation	20.2 mm (0.8 in)	12.2 mm (0.5 in)	71	20 of 100 (Routine)
2021-03-11	Tvingelshed	Record daily precipitation	24.6 mm (1.0 in)	12.1 mm (0.5 in)	71	20 of 100 (Routine)
2021-03-11	Varberg	Record daily precipitation	16.8 mm (0.7 in)	4.0 mm (0.16 in)	129	20 of 100 (Routine)
2021-03-11	Hallstaberg	Record daily precipitation	17.2 mm (0.7 in)	11.4 mm (0.4 in)	31	20 of 100 (Routine)
2021-03-11	Riddarhyttan	Record daily precipitation	23.2 mm (0.9 in)	4.2 mm (0.17 in)	70	20 of 100 (Routine)
2021-03-13	Strasbourg-Entzheim	Record daily precipitation	12.3 mm (0.5 in)	4.8 mm (0.19 in)	94	20 of 100 (Routine)
2021-03-15	Orrefors_D	Record daily precipitation	18.1 mm (0.7 in)	10.1 mm (0.4 in)	52	20 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 293 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.

Date	Records
2021-03-09	1
2021-03-10	66
2021-03-11	140
2021-03-12	19
2021-03-13	51
2021-03-14	9
2021-03-15	7

Margin (mm)	Years the old record stood
21	54
20	23
25	39
12	71
12	71
11	74
32	39
35	39
36	28
6	118
8	39
6	54
5	94
4	129
11	31
4	70
4	115
18	7
29	39
10	52
19	39
17	39
2	111
6	80
1	107
29	39
10	39
1	139
20	28
10	39
0	128
21	12
12	79
7	52
12	44
0	115
1	112
10	16
18	63
31	39
6	46
10	44
8	55
8	44
12	2
6	55
27	14
5	55
6	39
7	39
14	28
10	44
12	18
6	32
0	84
24	12
5	32
9	16
13	39
11	3
3	54
3	60
5	40
21	28
5	39
7	39
1	70
12	2
8	39
4	55
1	71
5	32
5	40
9	20
9	12
10	14
1	74
1	72
8	16
4	47
5	47
4	39
10	39
7	39
6	28
4	42
3	52
3	52
5	28
16	28
2	55
5	32
5	36
7	16
2	42
3	40
8	2
4	42
4	16
3	50
1	55
3	39
3	42
3	32
5	20
7	3
4	39
6	28
3	40
0	52
2	52
2	52
1	52
3	40
4	27
6	3
1	55
4	27
3	39
12	28
6	18
3	30
5	27
5	16
5	12
1	40
3	28
8	28
1	40
4	28
1	55
3	32
1	46
7	16
5	18
1	39
7	2
9	20
0	54
8	12
1	39
3	20
0	42
3	39
1	39
7	3
1	15
2	28
4	32
5	23
1	42
6	18
4	16
2	31
3	23
4	16
3	28
1	40
3	28
1	36
3	39
0	42
2	31
1	31
1	39
1	32
1	42
5	0
6	2
2	28
2	28
2	28
1	42
2	28
3	28
7	28
2	40
3	19
5	16
0	39
4	16
2	18
3	32
0	40
3	23
4	12
6	12
4	23
0	42
4	3
2	39
3	12
2	3
1	31
2	16
1	31
2	19
5	3
1	27
6	0

Margin (mm)	Years the old record stood
21	54
20	23
25	39
12	71
12	71
11	74
32	39
35	39
36	28
6	118
8	39
6	54
5	94
4	129
11	31
4	70
4	115
18	7
29	39
10	52
19	39
17	39
2	111
6	80
1	107
29	39
10	39
1	139
20	28
10	39
0	128
21	12
12	79
7	52
12	44
0	115
1	112
10	16
18	63
31	39
6	46
10	44
8	55
8	44
12	2
6	55
27	14
5	55
6	39
7	39
14	28
10	44
12	18
6	32
0	84
24	12
5	32
9	16
13	39
11	3
3	54
3	60
5	40
21	28
5	39
7	39
1	70
12	2
8	39
4	55
1	71
5	32
5	40
9	20
9	12
10	14
1	74
1	72
8	16
4	47
5	47
4	39
10	39
7	39
6	28
4	42
3	52
3	52
5	28
16	28
2	55
5	32
5	36
7	16
2	42
3	40
8	2
4	42
4	16
3	50
1	55
3	39
3	42
3	32
5	20
7	3
4	39
6	28
3	40
0	52
2	52
2	52
1	52
3	40
4	27
6	3
1	55
4	27
3	39
12	28
6	18
3	30
5	27
5	16
5	12
1	40
3	28
8	28
1	40
4	28
1	55
3	32
1	46
7	16
5	18
1	39
7	2
9	20
0	54
8	12
1	39
3	20
0	42
3	39
1	39
7	3
1	15
2	28
4	32
5	23
1	42
6	18
4	16
2	31
3	23
4	16
3	28
1	40
3	28
1	36
3	39
0	42
2	31
1	31
1	39
1	32
1	42
5	0
6	2
2	28
2	28
2	28
1	42
2	28
3	28
7	28
2	40
3	19
5	16
0	39
4	16
2	18
3	32
0	40
3	23
4	12
6	12
4	23
0	42
4	3
2	39
3	12
2	3
1	31
2	16
1	31
2	19
5	3
1	27
6	0

Margin (mm)	Years the old record stood
21	54
20	23
25	39
12	71
12	71
11	74
32	39
35	39
36	28
6	118
8	39
6	54
5	94
4	129
11	31
4	70
4	115
18	7
29	39
10	52
19	39
17	39
2	111
6	80
1	107
29	39
10	39
1	139
20	28
10	39
0	128
21	12
12	79
7	52
12	44
0	115
1	112
10	16
18	63
31	39
6	46
10	44
8	55
8	44
12	2
6	55
27	14
5	55
6	39
7	39
14	28
10	44
12	18
6	32
0	84
24	12
5	32
9	16
13	39
11	3
3	54
3	60
5	40
21	28
5	39
7	39
1	70
12	2
8	39
4	55
1	71
5	32
5	40
9	20
9	12
10	14
1	74
1	72
8	16
4	47
5	47
4	39
10	39
7	39
6	28
4	42
3	52
3	52
5	28
16	28
2	55
5	32
5	36
7	16
2	42
3	40
8	2
4	42
4	16
3	50
1	55
3	39
3	42
3	32
5	20
7	3
4	39
6	28
3	40
0	52
2	52
2	52
1	52
3	40
4	27
6	3
1	55
4	27
3	39
12	28
6	18
3	30
5	27
5	16
5	12
1	40
3	28
8	28
1	40
4	28
1	55
3	32
1	46
7	16
5	18
1	39
7	2
9	20
0	54
8	12
1	39
3	20
0	42
3	39
1	39
7	3
1	15
2	28
4	32
5	23
1	42
6	18
4	16
2	31
3	23
4	16
3	28
1	40
3	28
1	36
3	39
0	42
2	31
1	31
1	39
1	32
1	42
5	0
6	2
2	28
2	28
2	28
1	42
2	28
3	28
7	28
2	40
3	19
5	16
0	39
4	16
2	18
3	32
0	40
3	23
4	12
6	12
4	23
0	42
4	3
2	39
3	12
2	3
1	31
2	16
1	31
2	19
5	3
1	27
6	0