Extreme rain in Finland and 5 other countries, 5 to 13 December 2017

Name: Extreme rain in Finland and 5 other countries, 5 to 13 December 2017
Start: 2017-12-05
End: 2017-12-13
Location: Finland, Sweden, Norway, Russia, Estonia, Latvia

Extreme rain in Finland and 5 other countries, 5 to 13 December 2017: 332 records at 254 stations, peak on 7 December 2017. Closed.

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

Key Facts

Extreme rain in Finland and 5 other countries, 5 to 13 December 2017 set or tied 332 station records at 254 stations.
It ran from 5 December 2017 to 13 December 2017 (9 days) and its peak day was 7 December 2017.
Status: closed.
Soyland I Gjesdal set a daily record precipitation of 89.0 mm (3.5 in) on 5 December 2017.
The busiest day was 7 December 2017 with 99 records.
The oldest broken record in the ranked list had stood for 118 years.

Footprint

5 to 13 December 2017

The area covered by Extreme rain in Finland and 5 other countries, 5 to 13 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 Finland and 5 other countries, 5 to 13 December 2017: stations that set records in the event
Station	Type	Value	Date
Soyland I Gjesdal	Record daily precipitation	89.0 mm (3.5 in)	2017-12-05
Sviland	Record daily precipitation	70.0 mm (2.8 in)	2017-12-05
Fureneset	Record daily precipitation	70.6 mm (2.8 in)	2017-12-06
Koylio Yttila	Record daily precipitation	26.5 mm (1.0 in)	2017-12-09
Sauda	Record daily precipitation	71.8 mm (2.8 in)	2017-12-07
Vik I Sogn III	Record daily precipitation	31.3 mm (1.2 in)	2017-12-07
Bredbyn	Record daily precipitation	38.4 mm (1.5 in)	2017-12-07
Pitea	Record daily precipitation	25.3 mm (1.0 in)	2017-12-07
Stalon_11	Record daily precipitation	21.4 mm (0.8 in)	2017-12-07
Kokemaki Peipohja Hyrkola	Record daily precipitation	21.1 mm (0.8 in)	2017-12-09
Novgorod	Record daily precipitation	13.0 mm (0.5 in)	2017-12-10
Vilsandi	Record daily precipitation	16.1 mm (0.6 in)	2017-12-11
Kuressaare	Record daily precipitation	15.9 mm (0.6 in)	2017-12-11
Sorve	Record daily precipitation	13.7 mm (0.5 in)	2017-12-11
Kangasniemi Kirkonkyla	Record daily precipitation	24.4 mm (1.0 in)	2017-12-12
Savonlinna Savonranta	Record daily precipitation	23.0 mm (0.9 in)	2017-12-12
Aanekoski Kalaniemi	Record daily precipitation	22.8 mm (0.9 in)	2017-12-12
Janiskoski	Record daily precipitation	11.2 mm (0.4 in)	2017-12-13
Lovozero	Record daily precipitation	9.9 mm (0.39 in)	2017-12-13
Kandalaksa	Record daily precipitation	24.2 mm (1.0 in)	2017-12-13

Records per Day

Peak day 99

Records set or tied each day from 5 December 2017 to 13 December 2017. The most in one day was 99 on 7 December 2017.

Records per day during Extreme rain in Finland and 5 other countries, 5 to 13 December 2017
Date	Records
2017-12-05	13
2017-12-06	30
2017-12-07	99
2017-12-08	36
2017-12-09	29
2017-12-10	15
2017-12-11	31
2017-12-12	64
2017-12-13	15

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Finland and 5 other countries, 5 to 13 December 2017 ranked by margin
Fureneset, 12-06	43.8 mm (1.7 in)
Sauda, 12-07	33.6 mm (1.3 in)
Soyland I Gjesdal, 12-05	26.0 mm (1.0 in)
Bredbyn, 12-07	25.0 mm (1.0 in)
Sviland, 12-05	17.9 mm (0.7 in)
Koylio Yttila, 12-09	15.8 mm (0.6 in)
Kangasniemi Kirkonkyla, 12-12	14.7 mm (0.6 in)
Kokemaki Peipohja Hyrkola, 12-09	13.6 mm (0.5 in)
Stalon_11, 12-07	12.9 mm (0.5 in)
Pitea, 12-07	12.7 mm (0.5 in)
Savonlinna Savonranta, 12-12	12.5 mm (0.5 in)
Aanekoski Kalaniemi, 12-12	10.8 mm (0.4 in)
Janiskoski, 12-13	7.6 mm (0.30 in)
Vik I Sogn III, 12-07	6.8 mm (0.27 in)
Novgorod, 12-10	6.8 mm (0.27 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

332 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 Finland and 5 other countries, 5 to 13 December 2017
Margin (mm)	Years the old record stood
14	52
26	110
18	110
16	34
44	43
34	68
4	116
4	118
15	20
7	42
8	27
6	43
13	24
7	103
5	4
25	10
13	18
11	20
13	10
7	60
15	23
9	1
39	18
10	3
4	66
5	72
9	2
7	26
12	23
26	36
7	27
6	59
7	12
6	42
30	18
0	108
7	24
9	62
10	18
6	27
9	18
9	4
5	26
5	67
11	14
1	87
4	55
4	18
6	20
36	18
3	43
4	56
30	20
1	52
2	72
2	43
4	51
6	24
7	24
6	62
17	44
5	24
6	1
3	52
22	12
14	60
5	4
10	10
5	13
4	18
14	28
12	47
10	36
11	36
27	18
3	63
5	24
0	71
7	28
6	43
10	6
3	20
5	36
27	18
8	18
3	63
6	24
4	47
6	18
4	36
2	63
9	6
0	49
8	4
23	24
24	20
8	16
2	63
0	72
9	11
9	10
5	11
5	18
2	52
4	54
3	44
35	2
6	12
2	42
6	24
5	18
3	26
3	24
16	28
3	26
0	63
0	68
5	24
0	60
6	11
7	18
5	32
5	18
5	18
3	27
0	64
2	52
1	42
1	42
4	18
5	18
6	12
6	4
25	18
2	46
5	3
1	50
5	4
3	34
3	32
1	56
3	42
2	46
1	55
3	42
1	25
2	30
2	38
5	10
3	24
6	11
0	60
3	20
1	13
2	46
5	19
1	9
2	42
3	36
3	24
3	30
5	10
1	46
3	35
4	10
2	24
3	26
3	18
2	12
3	23
5	16
6	10
3	18
3	18
4	10
2	28
1	44
3	20
2	32
4	47
2	34
4	16
5	10
2	36
0	51
0	42
3	20
0	52
3	7
3	20
4	4
2	14
11	18
0	47
5	42
11	18
2	44
1	27
3	7
3	7

Compared With Other Events

Station records per event

Station records in Extreme rain in Finland and 5 other countries, 5 to 13 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 Finland and 5 other countries, 5 to 13 December 2017 (this event)	332 records

Every Record Set

20 of 332

Every record set or tied during Extreme rain in Finland and 5 other countries, 5 to 13 December 2017, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2017-12-05	Soyland I Gjesdal	Record daily precipitation	89.0 mm (3.5 in)	26.0 mm (1.0 in)	110	58 of 100 (Notable)
2017-12-05	Sviland	Record daily precipitation	70.0 mm (2.8 in)	17.9 mm (0.7 in)	110	56 of 100 (Notable)
2017-12-06	Fureneset	Record daily precipitation	70.6 mm (2.8 in)	43.8 mm (1.7 in)	43	55 of 100 (Notable)
2017-12-07	Sauda	Record daily precipitation	71.8 mm (2.8 in)	33.6 mm (1.3 in)	68	53 of 100 (Notable)
2017-12-07	Vik I Sogn III	Record daily precipitation	31.3 mm (1.2 in)	6.8 mm (0.27 in)	103	48 of 100 (Notable)
2017-12-07	Bredbyn	Record daily precipitation	38.4 mm (1.5 in)	25.0 mm (1.0 in)	10	48 of 100 (Notable)
2017-12-07	Pitea	Record daily precipitation	25.3 mm (1.0 in)	12.7 mm (0.5 in)	10	47 of 100 (Notable)
2017-12-07	Stalon_11	Record daily precipitation	21.4 mm (0.8 in)	12.9 mm (0.5 in)	24	20 of 100 (Routine)
2017-12-09	Koylio Yttila	Record daily precipitation	26.5 mm (1.0 in)	15.8 mm (0.6 in)	34	55 of 100 (Notable)
2017-12-09	Kokemaki Peipohja Hyrkola	Record daily precipitation	21.1 mm (0.8 in)	13.6 mm (0.5 in)	52	20 of 100 (Routine)
2017-12-10	Novgorod	Record daily precipitation	13.0 mm (0.5 in)	6.8 mm (0.27 in)	42	20 of 100 (Routine)
2017-12-11	Vilsandi	Record daily precipitation	16.1 mm (0.6 in)	3.6 mm (0.14 in)	116	20 of 100 (Routine)
2017-12-11	Kuressaare	Record daily precipitation	15.9 mm (0.6 in)	6.7 mm (0.26 in)	60	20 of 100 (Routine)
2017-12-11	Sorve	Record daily precipitation	13.7 mm (0.5 in)	3.7 mm (0.15 in)	118	20 of 100 (Routine)
2017-12-12	Kangasniemi Kirkonkyla	Record daily precipitation	24.4 mm (1.0 in)	14.7 mm (0.6 in)	20	20 of 100 (Routine)
2017-12-12	Savonlinna Savonranta	Record daily precipitation	23.0 mm (0.9 in)	12.5 mm (0.5 in)	18	20 of 100 (Routine)
2017-12-12	Aanekoski Kalaniemi	Record daily precipitation	22.8 mm (0.9 in)	10.8 mm (0.4 in)	20	20 of 100 (Routine)
2017-12-13	Janiskoski	Record daily precipitation	11.2 mm (0.4 in)	7.6 mm (0.30 in)	27	20 of 100 (Routine)
2017-12-13	Lovozero	Record daily precipitation	9.9 mm (0.39 in)	5.8 mm (0.23 in)	43	20 of 100 (Routine)
2017-12-13	Kandalaksa	Record daily precipitation	24.2 mm (1.0 in)	5.4 mm (0.21 in)	4	20 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 332 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
14	52
26	110
18	110
16	34
44	43
34	68
4	116
4	118
15	20
7	42
8	27
6	43
13	24
7	103
5	4
25	10
13	18
11	20
13	10
7	60
15	23
9	1
39	18
10	3
4	66
5	72
9	2
7	26
12	23
26	36
7	27
6	59
7	12
6	42
30	18
0	108
7	24
9	62
10	18
6	27
9	18
9	4
5	26
5	67
11	14
1	87
4	55
4	18
6	20
36	18
3	43
4	56
30	20
1	52
2	72
2	43
4	51
6	24
7	24
6	62
17	44
5	24
6	1
3	52
22	12
14	60
5	4
10	10
5	13
4	18
14	28
12	47
10	36
11	36
27	18
3	63
5	24
0	71
7	28
6	43
10	6
3	20
5	36
27	18
8	18
3	63
6	24
4	47
6	18
4	36
2	63
9	6
0	49
8	4
23	24
24	20
8	16
2	63
0	72
9	11
9	10
5	11
5	18
2	52
4	54
3	44
35	2
6	12
2	42
6	24
5	18
3	26
3	24
16	28
3	26
0	63
0	68
5	24
0	60
6	11
7	18
5	32
5	18
5	18
3	27
0	64
2	52
1	42
1	42
4	18
5	18
6	12
6	4
25	18
2	46
5	3
1	50
5	4
3	34
3	32
1	56
3	42
2	46
1	55
3	42
1	25
2	30
2	38
5	10
3	24
6	11
0	60
3	20
1	13
2	46
5	19
1	9
2	42
3	36
3	24
3	30
5	10
1	46
3	35
4	10
2	24
3	26
3	18
2	12
3	23
5	16
6	10
3	18
3	18
4	10
2	28
1	44
3	20
2	32
4	47
2	34
4	16
5	10
2	36
0	51
0	42
3	20
0	52
3	7
3	20
4	4
2	14
11	18
0	47
5	42
11	18
2	44
1	27
3	7
3	7

Margin (mm)	Years the old record stood
14	52
26	110
18	110
16	34
44	43
34	68
4	116
4	118
15	20
7	42
8	27
6	43
13	24
7	103
5	4
25	10
13	18
11	20
13	10
7	60
15	23
9	1
39	18
10	3
4	66
5	72
9	2
7	26
12	23
26	36
7	27
6	59
7	12
6	42
30	18
0	108
7	24
9	62
10	18
6	27
9	18
9	4
5	26
5	67
11	14
1	87
4	55
4	18
6	20
36	18
3	43
4	56
30	20
1	52
2	72
2	43
4	51
6	24
7	24
6	62
17	44
5	24
6	1
3	52
22	12
14	60
5	4
10	10
5	13
4	18
14	28
12	47
10	36
11	36
27	18
3	63
5	24
0	71
7	28
6	43
10	6
3	20
5	36
27	18
8	18
3	63
6	24
4	47
6	18
4	36
2	63
9	6
0	49
8	4
23	24
24	20
8	16
2	63
0	72
9	11
9	10
5	11
5	18
2	52
4	54
3	44
35	2
6	12
2	42
6	24
5	18
3	26
3	24
16	28
3	26
0	63
0	68
5	24
0	60
6	11
7	18
5	32
5	18
5	18
3	27
0	64
2	52
1	42
1	42
4	18
5	18
6	12
6	4
25	18
2	46
5	3
1	50
5	4
3	34
3	32
1	56
3	42
2	46
1	55
3	42
1	25
2	30
2	38
5	10
3	24
6	11
0	60
3	20
1	13
2	46
5	19
1	9
2	42
3	36
3	24
3	30
5	10
1	46
3	35
4	10
2	24
3	26
3	18
2	12
3	23
5	16
6	10
3	18
3	18
4	10
2	28
1	44
3	20
2	32
4	47
2	34
4	16
5	10
2	36
0	51
0	42
3	20
0	52
3	7
3	20
4	4
2	14
11	18
0	47
5	42
11	18
2	44
1	27
3	7
3	7

Margin (mm)	Years the old record stood
14	52
26	110
18	110
16	34
44	43
34	68
4	116
4	118
15	20
7	42
8	27
6	43
13	24
7	103
5	4
25	10
13	18
11	20
13	10
7	60
15	23
9	1
39	18
10	3
4	66
5	72
9	2
7	26
12	23
26	36
7	27
6	59
7	12
6	42
30	18
0	108
7	24
9	62
10	18
6	27
9	18
9	4
5	26
5	67
11	14
1	87
4	55
4	18
6	20
36	18
3	43
4	56
30	20
1	52
2	72
2	43
4	51
6	24
7	24
6	62
17	44
5	24
6	1
3	52
22	12
14	60
5	4
10	10
5	13
4	18
14	28
12	47
10	36
11	36
27	18
3	63
5	24
0	71
7	28
6	43
10	6
3	20
5	36
27	18
8	18
3	63
6	24
4	47
6	18
4	36
2	63
9	6
0	49
8	4
23	24
24	20
8	16
2	63
0	72
9	11
9	10
5	11
5	18
2	52
4	54
3	44
35	2
6	12
2	42
6	24
5	18
3	26
3	24
16	28
3	26
0	63
0	68
5	24
0	60
6	11
7	18
5	32
5	18
5	18
3	27
0	64
2	52
1	42
1	42
4	18
5	18
6	12
6	4
25	18
2	46
5	3
1	50
5	4
3	34
3	32
1	56
3	42
2	46
1	55
3	42
1	25
2	30
2	38
5	10
3	24
6	11
0	60
3	20
1	13
2	46
5	19
1	9
2	42
3	36
3	24
3	30
5	10
1	46
3	35
4	10
2	24
3	26
3	18
2	12
3	23
5	16
6	10
3	18
3	18
4	10
2	28
1	44
3	20
2	32
4	47
2	34
4	16
5	10
2	36
0	51
0	42
3	20
0	52
3	7
3	20
4	4
2	14
11	18
0	47
5	42
11	18
2	44
1	27
3	7
3	7