Extreme rain in Sweden and 3 other countries, 23 to 30 December 2017

Name: Extreme rain in Sweden and 3 other countries, 23 to 30 December 2017
Start: 2017-12-23
End: 2017-12-30
Location: Sweden, Finland, Norway, Russia

Extreme rain in Sweden and 3 other countries, 23 to 30 December 2017: 184 records at 157 stations, peak on 26 December 2017. 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, 23 to 30 December 2017 set or tied 184 station records at 157 stations.
It ran from 23 December 2017 to 30 December 2017 (8 days) and its peak day was 26 December 2017.
Status: closed.
Harnosand set a daily record precipitation of 45.7 mm (1.8 in) on 28 December 2017.
The busiest day was 26 December 2017 with 81 records.
The oldest broken record in the ranked list had stood for 82 years.

Footprint

23 to 30 December 2017

The area covered by Extreme rain in Sweden and 3 other countries, 23 to 30 December 2017 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, 23 to 30 December 2017: stations that set records in the event
Station	Type	Value	Date
Harnosand	Record daily precipitation	45.7 mm (1.8 in)	2017-12-28
Sidsjo	Record daily precipitation	38.1 mm (1.5 in)	2017-12-28
Sarna	Record daily precipitation	25.0 mm (1.0 in)	2017-12-26
Storbron	Record daily precipitation	54.3 mm (2.1 in)	2017-12-26
Ulvsjo	Record daily precipitation	27.1 mm (1.1 in)	2017-12-26
Biri	Record daily precipitation	29.0 mm (1.1 in)	2017-12-26
Asnorrbodarna	Record daily precipitation	26.8 mm (1.1 in)	2017-12-28
Beito	Record daily precipitation	25.9 mm (1.0 in)	2017-12-26
Abjorsbraten	Record daily precipitation	20.3 mm (0.8 in)	2017-12-26
Atndalen - Eriksrud	Record daily precipitation	20.3 mm (0.8 in)	2017-12-26
Loken I Volbu	Record daily precipitation	16.3 mm (0.6 in)	2017-12-26
Hedal I Valdres II	Record daily precipitation	18.8 mm (0.7 in)	2017-12-26
Ostanvik	Record daily precipitation	16.3 mm (0.6 in)	2017-12-26
Ratan	Record daily precipitation	22.3 mm (0.9 in)	2017-12-26
Fone_D	Record daily precipitation	18.1 mm (0.7 in)	2017-12-28
Bramon	Record daily precipitation	20.4 mm (0.8 in)	2017-12-28
Ange-Parteboda D	Record daily precipitation	13.2 mm (0.5 in)	2017-12-28
Rodkallen_A	Record daily precipitation	9.0 mm (0.35 in)	2017-12-29
Padun	Record daily precipitation	14.0 mm (0.6 in)	2017-12-30
Murmansk	Record daily precipitation	9.4 mm (0.37 in)	2017-12-30

Records per Day

Peak day 81

Records set or tied each day from 23 December 2017 to 30 December 2017. The most in one day was 81 on 26 December 2017.

Records per day during Extreme rain in Sweden and 3 other countries, 23 to 30 December 2017
Date	Records
2017-12-23	10
2017-12-24	3
2017-12-25	31
2017-12-26	81
2017-12-27	1
2017-12-28	37
2017-12-29	17
2017-12-30	4

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Sweden and 3 other countries, 23 to 30 December 2017 ranked by margin
Sidsjo, 12-28	26.5 mm (1.0 in)
Harnosand, 12-28	24.7 mm (1.0 in)
Storbron, 12-26	23.9 mm (0.9 in)
Asnorrbodarna, 12-28	20.9 mm (0.8 in)
Ulvsjo, 12-26	18.4 mm (0.7 in)
Biri, 12-26	12.9 mm (0.5 in)
Hedal I Valdres II, 12-26	12.8 mm (0.5 in)
Abjorsbraten, 12-26	12.1 mm (0.5 in)
Sarna, 12-26	11.6 mm (0.5 in)
Loken I Volbu, 12-26	11.6 mm (0.5 in)
Atndalen - Eriksrud, 12-26	11.3 mm (0.4 in)
Bramon, 12-28	10.2 mm (0.4 in)
Fone_D, 12-28	7.3 mm (0.29 in)
Beito, 12-26	7.2 mm (0.28 in)
Ratan, 12-26	7.2 mm (0.28 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

184 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, 23 to 30 December 2017
Margin (mm)	Years the old record stood
12	82
25	60
27	60
12	52
24	10
18	28
10	60
13	56
7	68
4	67
11	8
12	8
7	58
21	31
7	56
6	36
5	63
13	19
6	52
5	56
9	28
8	31
6	10
3	36
7	14
5	58
13	36
5	56
8	28
5	58
3	68
0	63
4	52
6	34
8	8
8	27
9	14
8	14
1	82
4	52
7	8
9	14
0	55
5	56
7	31
5	30
2	68
2	68
3	39
7	16
3	52
5	36
4	56
5	42
3	62
2	52
3	10
7	31
5	15
6	14
6	8
2	58
6	18
4	27
3	48
3	42
6	30
6	8
3	26
1	52
7	14
1	52
12	6
3	43
2	56
3	32
1	52
4	31
4	28
1	52
2	48
1	50
5	16
2	36
3	36
0	52
4	6
3	27
4	34
0	48
2	36
5	14
3	34
6	8
3	28
1	50
4	19
1	36
4	27
4	8
3	28
3	27
3	14
4	14
1	42
5	6
1	35
3	19
2	32
3	16
2	26
4	8
5	14
3	16
1	30
1	30
4	6
1	31
3	6
4	6
3	12
1	32
1	36
4	6
5	27
1	26
2	28
4	7
0	38
0	26
1	28
1	31
3	7
4	6
3	6
2	14
2	14
2	14
2	14
1	7
2	6
1	27
6	18
1	0
2	8
1	26
1	20
2	16
1	8
2	6
2	3
2	6
1	6
1	8
3	10
2	14
1	8
0	23
1	6
1	8
2	4
1	2
0	7
2	6
2	6
1	6
0	7
1	6
1	4
1	6
1	2
1	12
0	6
1	6
1	0
1	6
1	6
0	7
1	4
0	8
0	6
0	3
0	8
1	2

Compared With Other Events

Station records per event

Station records in Extreme rain in Sweden and 3 other countries, 23 to 30 December 2017 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, 23 to 30 December 2017 (this event)	184 records

Every Record Set

20 of 184

Every record set or tied during Extreme rain in Sweden and 3 other countries, 23 to 30 December 2017, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2017-12-26	Sarna	Record daily precipitation	25.0 mm (1.0 in)	11.6 mm (0.5 in)	52	61 of 100 (Major)
2017-12-26	Storbron	Record daily precipitation	54.3 mm (2.1 in)	23.9 mm (0.9 in)	10	60 of 100 (Major)
2017-12-26	Ulvsjo	Record daily precipitation	27.1 mm (1.1 in)	18.4 mm (0.7 in)	28	55 of 100 (Notable)
2017-12-26	Biri	Record daily precipitation	29.0 mm (1.1 in)	12.9 mm (0.5 in)	56	54 of 100 (Notable)
2017-12-26	Beito	Record daily precipitation	25.9 mm (1.0 in)	7.2 mm (0.28 in)	56	45 of 100 (Notable)
2017-12-26	Abjorsbraten	Record daily precipitation	20.3 mm (0.8 in)	12.1 mm (0.5 in)	82	20 of 100 (Routine)
2017-12-26	Atndalen - Eriksrud	Record daily precipitation	20.3 mm (0.8 in)	11.3 mm (0.4 in)	8	20 of 100 (Routine)
2017-12-26	Loken I Volbu	Record daily precipitation	16.3 mm (0.6 in)	11.6 mm (0.5 in)	8	20 of 100 (Routine)
2017-12-26	Hedal I Valdres II	Record daily precipitation	18.8 mm (0.7 in)	12.8 mm (0.5 in)	19	20 of 100 (Routine)
2017-12-26	Ostanvik	Record daily precipitation	16.3 mm (0.6 in)	5.9 mm (0.23 in)	52	20 of 100 (Routine)
2017-12-26	Ratan	Record daily precipitation	22.3 mm (0.9 in)	7.2 mm (0.28 in)	68	20 of 100 (Routine)
2017-12-28	Harnosand	Record daily precipitation	45.7 mm (1.8 in)	24.7 mm (1.0 in)	60	68 of 100 (Major)
2017-12-28	Sidsjo	Record daily precipitation	38.1 mm (1.5 in)	26.5 mm (1.0 in)	60	66 of 100 (Major)
2017-12-28	Asnorrbodarna	Record daily precipitation	26.8 mm (1.1 in)	20.9 mm (0.8 in)	31	46 of 100 (Notable)
2017-12-28	Fone_D	Record daily precipitation	18.1 mm (0.7 in)	7.3 mm (0.29 in)	58	20 of 100 (Routine)
2017-12-28	Bramon	Record daily precipitation	20.4 mm (0.8 in)	10.2 mm (0.4 in)	60	20 of 100 (Routine)
2017-12-28	Ange-Parteboda D	Record daily precipitation	13.2 mm (0.5 in)	5.2 mm (0.20 in)	63	20 of 100 (Routine)
2017-12-29	Rodkallen_A	Record daily precipitation	9.0 mm (0.35 in)	4.7 mm (0.19 in)	56	20 of 100 (Routine)
2017-12-30	Padun	Record daily precipitation	14.0 mm (0.6 in)	6.1 mm (0.24 in)	36	20 of 100 (Routine)
2017-12-30	Murmansk	Record daily precipitation	9.4 mm (0.37 in)	3.9 mm (0.15 in)	67	20 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 184 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.

Margin (mm)	Years the old record stood
12	82
25	60
27	60
12	52
24	10
18	28
10	60
13	56
7	68
4	67
11	8
12	8
7	58
21	31
7	56
6	36
5	63
13	19
6	52
5	56
9	28
8	31
6	10
3	36
7	14
5	58
13	36
5	56
8	28
5	58
3	68
0	63
4	52
6	34
8	8
8	27
9	14
8	14
1	82
4	52
7	8
9	14
0	55
5	56
7	31
5	30
2	68
2	68
3	39
7	16
3	52
5	36
4	56
5	42
3	62
2	52
3	10
7	31
5	15
6	14
6	8
2	58
6	18
4	27
3	48
3	42
6	30
6	8
3	26
1	52
7	14
1	52
12	6
3	43
2	56
3	32
1	52
4	31
4	28
1	52
2	48
1	50
5	16
2	36
3	36
0	52
4	6
3	27
4	34
0	48
2	36
5	14
3	34
6	8
3	28
1	50
4	19
1	36
4	27
4	8
3	28
3	27
3	14
4	14
1	42
5	6
1	35
3	19
2	32
3	16
2	26
4	8
5	14
3	16
1	30
1	30
4	6
1	31
3	6
4	6
3	12
1	32
1	36
4	6
5	27
1	26
2	28
4	7
0	38
0	26
1	28
1	31
3	7
4	6
3	6
2	14
2	14
2	14
2	14
1	7
2	6
1	27
6	18
1	0
2	8
1	26
1	20
2	16
1	8
2	6
2	3
2	6
1	6
1	8
3	10
2	14
1	8
0	23
1	6
1	8
2	4
1	2
0	7
2	6
2	6
1	6
0	7
1	6
1	4
1	6
1	2
1	12
0	6
1	6
1	0
1	6
1	6
0	7
1	4
0	8
0	6
0	3
0	8
1	2

Margin (mm)	Years the old record stood
12	82
25	60
27	60
12	52
24	10
18	28
10	60
13	56
7	68
4	67
11	8
12	8
7	58
21	31
7	56
6	36
5	63
13	19
6	52
5	56
9	28
8	31
6	10
3	36
7	14
5	58
13	36
5	56
8	28
5	58
3	68
0	63
4	52
6	34
8	8
8	27
9	14
8	14
1	82
4	52
7	8
9	14
0	55
5	56
7	31
5	30
2	68
2	68
3	39
7	16
3	52
5	36
4	56
5	42
3	62
2	52
3	10
7	31
5	15
6	14
6	8
2	58
6	18
4	27
3	48
3	42
6	30
6	8
3	26
1	52
7	14
1	52
12	6
3	43
2	56
3	32
1	52
4	31
4	28
1	52
2	48
1	50
5	16
2	36
3	36
0	52
4	6
3	27
4	34
0	48
2	36
5	14
3	34
6	8
3	28
1	50
4	19
1	36
4	27
4	8
3	28
3	27
3	14
4	14
1	42
5	6
1	35
3	19
2	32
3	16
2	26
4	8
5	14
3	16
1	30
1	30
4	6
1	31
3	6
4	6
3	12
1	32
1	36
4	6
5	27
1	26
2	28
4	7
0	38
0	26
1	28
1	31
3	7
4	6
3	6
2	14
2	14
2	14
2	14
1	7
2	6
1	27
6	18
1	0
2	8
1	26
1	20
2	16
1	8
2	6
2	3
2	6
1	6
1	8
3	10
2	14
1	8
0	23
1	6
1	8
2	4
1	2
0	7
2	6
2	6
1	6
0	7
1	6
1	4
1	6
1	2
1	12
0	6
1	6
1	0
1	6
1	6
0	7
1	4
0	8
0	6
0	3
0	8
1	2

Margin (mm)	Years the old record stood
12	82
25	60
27	60
12	52
24	10
18	28
10	60
13	56
7	68
4	67
11	8
12	8
7	58
21	31
7	56
6	36
5	63
13	19
6	52
5	56
9	28
8	31
6	10
3	36
7	14
5	58
13	36
5	56
8	28
5	58
3	68
0	63
4	52
6	34
8	8
8	27
9	14
8	14
1	82
4	52
7	8
9	14
0	55
5	56
7	31
5	30
2	68
2	68
3	39
7	16
3	52
5	36
4	56
5	42
3	62
2	52
3	10
7	31
5	15
6	14
6	8
2	58
6	18
4	27
3	48
3	42
6	30
6	8
3	26
1	52
7	14
1	52
12	6
3	43
2	56
3	32
1	52
4	31
4	28
1	52
2	48
1	50
5	16
2	36
3	36
0	52
4	6
3	27
4	34
0	48
2	36
5	14
3	34
6	8
3	28
1	50
4	19
1	36
4	27
4	8
3	28
3	27
3	14
4	14
1	42
5	6
1	35
3	19
2	32
3	16
2	26
4	8
5	14
3	16
1	30
1	30
4	6
1	31
3	6
4	6
3	12
1	32
1	36
4	6
5	27
1	26
2	28
4	7
0	38
0	26
1	28
1	31
3	7
4	6
3	6
2	14
2	14
2	14
2	14
1	7
2	6
1	27
6	18
1	0
2	8
1	26
1	20
2	16
1	8
2	6
2	3
2	6
1	6
1	8
3	10
2	14
1	8
0	23
1	6
1	8
2	4
1	2
0	7
2	6
2	6
1	6
0	7
1	6
1	4
1	6
1	2
1	12
0	6
1	6
1	0
1	6
1	6
0	7
1	4
0	8
0	6
0	3
0	8
1	2