Extreme rain in Sweden and 3 other countries, 20 to 25 April 2021

Name: Extreme rain in Sweden and 3 other countries, 20 to 25 April 2021
Start: 2021-04-20
End: 2021-04-25
Location: Sweden, Finland, Norway, Russia

Extreme rain in Sweden and 3 other countries, 20 to 25 April 2021: 134 records at 125 stations, peak on 22 April 2021. Closed.

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

Key Facts

Extreme rain in Sweden and 3 other countries, 20 to 25 April 2021 set or tied 134 station records at 125 stations.
It ran from 20 April 2021 to 25 April 2021 (6 days) and its peak day was 22 April 2021.
Status: closed.
Repvag set a daily record precipitation of 31.3 mm (1.2 in) on 21 April 2021.
The busiest day was 22 April 2021 with 49 records.
The oldest broken record in the ranked list had stood for 102 years.

Footprint

20 to 25 April 2021

The area covered by Extreme rain in Sweden and 3 other countries, 20 to 25 April 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 3 other countries, 20 to 25 April 2021: stations that set records in the event
Station	Type	Value	Date
Repvag	Record daily precipitation	31.3 mm (1.2 in)	2021-04-21
Lovanger	Record daily precipitation	43.1 mm (1.7 in)	2021-04-23
Sihccajavri	Record daily precipitation	6.6 mm (0.26 in)	2021-04-21
Falkoping	Record daily precipitation	24.0 mm (0.9 in)	2021-04-21
Lanna	Record daily precipitation	11.3 mm (0.4 in)	2021-04-21
Remningstorp	Record daily precipitation	17.5 mm (0.7 in)	2021-04-21
Idre_D	Record daily precipitation	17.0 mm (0.7 in)	2021-04-21
Merikarvia Tuorila Alakyla	Record daily precipitation	18.4 mm (0.7 in)	2021-04-22
Vallnora_D	Record daily precipitation	20.7 mm (0.8 in)	2021-04-22
Overtornea	Record daily precipitation	14.4 mm (0.6 in)	2021-04-22
Jyvaskyla Lentoasema	Record daily precipitation	13.2 mm (0.5 in)	2021-04-23
Heinola Asemantaus	Record daily precipitation	10.1 mm (0.4 in)	2021-04-23
Sysma Joutsjarvi	Record daily precipitation	20.5 mm (0.8 in)	2021-04-23
Mustasaari Riimala	Record daily precipitation	17.1 mm (0.7 in)	2021-04-23
Siikajoki Revonlahti	Record daily precipitation	14.1 mm (0.6 in)	2021-04-23
Salla Kelloselka	Record daily precipitation	12.9 mm (0.5 in)	2021-04-23
Brande	Record daily precipitation	24.0 mm (0.9 in)	2021-04-23
Bygdsiljum_D	Record daily precipitation	17.8 mm (0.7 in)	2021-04-23
Lovozero	Record daily precipitation	19.1 mm (0.8 in)	2021-04-24
Moncegorsk	Record daily precipitation	7.9 mm (0.31 in)	2021-04-25

Records per Day

Peak day 49

Records set or tied each day from 20 April 2021 to 25 April 2021. The most in one day was 49 on 22 April 2021.

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Sweden and 3 other countries, 20 to 25 April 2021 ranked by margin
Repvag, 04-21	24.7 mm (1.0 in)
Brande, 04-23	19.6 mm (0.8 in)
Vallnora_D, 04-22	15.9 mm (0.6 in)
Falkoping, 04-21	15.6 mm (0.6 in)
Merikarvia Tuorila Alakyla, 04-22	14.4 mm (0.6 in)
Sysma Joutsjarvi, 04-23	13.9 mm (0.5 in)
Remningstorp, 04-21	9.5 mm (0.37 in)
Mustasaari Riimala, 04-23	9.3 mm (0.37 in)
Idre_D, 04-21	8.7 mm (0.34 in)
Overtornea, 04-22	8.4 mm (0.33 in)
Bygdsiljum_D, 04-23	8.3 mm (0.33 in)
Siikajoki Revonlahti, 04-23	8.1 mm (0.32 in)
Salla Kelloselka, 04-23	8.1 mm (0.32 in)
Lovanger, 04-23	7.5 mm (0.30 in)
Jyvaskyla Lentoasema, 04-23	6.2 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

134 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 3 other countries, 20 to 25 April 2021
Margin (mm)	Years the old record stood
16	59
25	36
14	46
8	59
14	20
20	20
16	14
10	59
8	14
1	102
5	66
8	24
8	52
9	35
6	52
4	76
8	21
9	35
6	48
2	74
4	76
10	32
6	48
6	52
5	51
5	54
2	76
5	44
1	66
10	28
6	32
8	11
3	27
6	24
11	8
4	36
5	32
2	54
3	51
9	28
6	24
4	36
3	35
8	16
0	66
2	44
5	32
6	35
6	6
3	46
4	34
3	32
4	28
4	28
3	32
4	24
2	43
2	48
1	52
2	32
4	24
5	24
3	36
5	28
5	28
0	52
2	36
0	54
2	32
1	52
2	32
3	28
2	32
3	28
3	23
5	4
1	40
5	8
2	24
3	24
5	28
2	32
5	11
2	28
1	32
2	32
1	32
2	28
3	8
1	38
1	32
3	28
0	32
3	8
3	14
1	35
1	32
4	16
4	6
3	6
0	35
0	36
1	23
2	23
1	24
0	28
0	28
1	24
2	11
2	6
2	8
1	11
1	22
2	3
2	23
0	28
1	20
2	6
2	4
2	11
0	11
3	8
0	24
0	11
2	8
1	8
2	4
1	4
1	11
1	8
1	4
0	11
0	11
0	4

Compared With Other Events

Station records per event

Station records in Extreme rain in Sweden and 3 other countries, 20 to 25 April 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 3 other countries, 20 to 25 April 2021 (this event)	134 records

Every Record Set

20 of 134

Every record set or tied during Extreme rain in Sweden and 3 other countries, 20 to 25 April 2021, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2021-04-21	Repvag	Record daily precipitation	31.3 mm (1.2 in)	24.7 mm (1.0 in)	36	56 of 100 (Notable)
2021-04-21	Sihccajavri	Record daily precipitation	6.6 mm (0.26 in)	1.1 mm (0.04 in)	102	20 of 100 (Routine)
2021-04-21	Falkoping	Record daily precipitation	24.0 mm (0.9 in)	15.6 mm (0.6 in)	59	20 of 100 (Routine)
2021-04-21	Lanna	Record daily precipitation	11.3 mm (0.4 in)	4.3 mm (0.17 in)	76	20 of 100 (Routine)
2021-04-21	Remningstorp	Record daily precipitation	17.5 mm (0.7 in)	9.5 mm (0.37 in)	59	20 of 100 (Routine)
2021-04-21	Idre_D	Record daily precipitation	17.0 mm (0.7 in)	8.7 mm (0.34 in)	35	20 of 100 (Routine)
2021-04-22	Merikarvia Tuorila Alakyla	Record daily precipitation	18.4 mm (0.7 in)	14.4 mm (0.6 in)	46	20 of 100 (Routine)
2021-04-22	Vallnora_D	Record daily precipitation	20.7 mm (0.8 in)	15.9 mm (0.6 in)	14	20 of 100 (Routine)
2021-04-22	Overtornea	Record daily precipitation	14.4 mm (0.6 in)	8.4 mm (0.33 in)	24	20 of 100 (Routine)
2021-04-23	Lovanger	Record daily precipitation	43.1 mm (1.7 in)	7.5 mm (0.30 in)	21	40 of 100 (Notable)
2021-04-23	Jyvaskyla Lentoasema	Record daily precipitation	13.2 mm (0.5 in)	6.2 mm (0.24 in)	52	20 of 100 (Routine)
2021-04-23	Heinola Asemantaus	Record daily precipitation	10.1 mm (0.4 in)	5.9 mm (0.23 in)	48	20 of 100 (Routine)
2021-04-23	Sysma Joutsjarvi	Record daily precipitation	20.5 mm (0.8 in)	13.9 mm (0.5 in)	20	20 of 100 (Routine)
2021-04-23	Mustasaari Riimala	Record daily precipitation	17.1 mm (0.7 in)	9.3 mm (0.37 in)	35	20 of 100 (Routine)
2021-04-23	Siikajoki Revonlahti	Record daily precipitation	14.1 mm (0.6 in)	8.1 mm (0.32 in)	59	20 of 100 (Routine)
2021-04-23	Salla Kelloselka	Record daily precipitation	12.9 mm (0.5 in)	8.1 mm (0.32 in)	14	20 of 100 (Routine)
2021-04-23	Brande	Record daily precipitation	24.0 mm (0.9 in)	19.6 mm (0.8 in)	20	20 of 100 (Routine)
2021-04-23	Bygdsiljum_D	Record daily precipitation	17.8 mm (0.7 in)	8.3 mm (0.33 in)	52	20 of 100 (Routine)
2021-04-24	Lovozero	Record daily precipitation	19.1 mm (0.8 in)	5.1 mm (0.20 in)	66	20 of 100 (Routine)
2021-04-25	Moncegorsk	Record daily precipitation	7.9 mm (0.31 in)	1.9 mm (0.07 in)	74	20 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 134 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
2021-04-20	3
2021-04-21	41
2021-04-22	49
2021-04-23	32
2021-04-24	8
2021-04-25	1

Margin (mm)	Years the old record stood
16	59
25	36
14	46
8	59
14	20
20	20
16	14
10	59
8	14
1	102
5	66
8	24
8	52
9	35
6	52
4	76
8	21
9	35
6	48
2	74
4	76
10	32
6	48
6	52
5	51
5	54
2	76
5	44
1	66
10	28
6	32
8	11
3	27
6	24
11	8
4	36
5	32
2	54
3	51
9	28
6	24
4	36
3	35
8	16
0	66
2	44
5	32
6	35
6	6
3	46
4	34
3	32
4	28
4	28
3	32
4	24
2	43
2	48
1	52
2	32
4	24
5	24
3	36
5	28
5	28
0	52
2	36
0	54
2	32
1	52
2	32
3	28
2	32
3	28
3	23
5	4
1	40
5	8
2	24
3	24
5	28
2	32
5	11
2	28
1	32
2	32
1	32
2	28
3	8
1	38
1	32
3	28
0	32
3	8
3	14
1	35
1	32
4	16
4	6
3	6
0	35
0	36
1	23
2	23
1	24
0	28
0	28
1	24
2	11
2	6
2	8
1	11
1	22
2	3
2	23
0	28
1	20
2	6
2	4
2	11
0	11
3	8
0	24
0	11
2	8
1	8
2	4
1	4
1	11
1	8
1	4
0	11
0	11
0	4

Margin (mm)	Years the old record stood
16	59
25	36
14	46
8	59
14	20
20	20
16	14
10	59
8	14
1	102
5	66
8	24
8	52
9	35
6	52
4	76
8	21
9	35
6	48
2	74
4	76
10	32
6	48
6	52
5	51
5	54
2	76
5	44
1	66
10	28
6	32
8	11
3	27
6	24
11	8
4	36
5	32
2	54
3	51
9	28
6	24
4	36
3	35
8	16
0	66
2	44
5	32
6	35
6	6
3	46
4	34
3	32
4	28
4	28
3	32
4	24
2	43
2	48
1	52
2	32
4	24
5	24
3	36
5	28
5	28
0	52
2	36
0	54
2	32
1	52
2	32
3	28
2	32
3	28
3	23
5	4
1	40
5	8
2	24
3	24
5	28
2	32
5	11
2	28
1	32
2	32
1	32
2	28
3	8
1	38
1	32
3	28
0	32
3	8
3	14
1	35
1	32
4	16
4	6
3	6
0	35
0	36
1	23
2	23
1	24
0	28
0	28
1	24
2	11
2	6
2	8
1	11
1	22
2	3
2	23
0	28
1	20
2	6
2	4
2	11
0	11
3	8
0	24
0	11
2	8
1	8
2	4
1	4
1	11
1	8
1	4
0	11
0	11
0	4

Margin (mm)	Years the old record stood
16	59
25	36
14	46
8	59
14	20
20	20
16	14
10	59
8	14
1	102
5	66
8	24
8	52
9	35
6	52
4	76
8	21
9	35
6	48
2	74
4	76
10	32
6	48
6	52
5	51
5	54
2	76
5	44
1	66
10	28
6	32
8	11
3	27
6	24
11	8
4	36
5	32
2	54
3	51
9	28
6	24
4	36
3	35
8	16
0	66
2	44
5	32
6	35
6	6
3	46
4	34
3	32
4	28
4	28
3	32
4	24
2	43
2	48
1	52
2	32
4	24
5	24
3	36
5	28
5	28
0	52
2	36
0	54
2	32
1	52
2	32
3	28
2	32
3	28
3	23
5	4
1	40
5	8
2	24
3	24
5	28
2	32
5	11
2	28
1	32
2	32
1	32
2	28
3	8
1	38
1	32
3	28
0	32
3	8
3	14
1	35
1	32
4	16
4	6
3	6
0	35
0	36
1	23
2	23
1	24
0	28
0	28
1	24
2	11
2	6
2	8
1	11
1	22
2	3
2	23
0	28
1	20
2	6
2	4
2	11
0	11
3	8
0	24
0	11
2	8
1	8
2	4
1	4
1	11
1	8
1	4
0	11
0	11
0	4