Extreme rain in Sweden and 4 other countries, 10 to 12 May 2018

Name: Extreme rain in Sweden and 4 other countries, 10 to 12 May 2018
Start: 2018-05-10
End: 2018-05-12
Location: Sweden, Norway, Finland, Denmark, Russia

Extreme rain in Sweden and 4 other countries, 10 to 12 May 2018: 113 records at 104 stations, peak on 11 May 2018. Closed.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Key Facts

Extreme rain in Sweden and 4 other countries, 10 to 12 May 2018 set or tied 113 station records at 104 stations.
It ran from 10 May 2018 to 12 May 2018 (3 days) and its peak day was 11 May 2018.
Status: closed.
Stavanger - Valand set a daily record precipitation of 33.7 mm (1.3 in) on 10 May 2018.
The busiest day was 11 May 2018 with 57 records.
The oldest broken record in the ranked list had stood for 112 years.

Footprint

10 to 12 May 2018

The area covered by Extreme rain in Sweden and 4 other countries, 10 to 12 May 2018 is outlined, with 19 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Extreme rain in Sweden and 4 other countries, 10 to 12 May 2018: stations that set records in the event
Station	Type	Value	Date
Stavanger - Valand	Record daily precipitation	33.7 mm (1.3 in)	2018-05-10
Utsira Fyr	Record daily precipitation	25.1 mm (1.0 in)	2018-05-11
Oltedal	Record daily precipitation	42.2 mm (1.7 in)	2018-05-10
Bjorheim I Ryfylke	Record daily precipitation	37.6 mm (1.5 in)	2018-05-10
Sola	Record daily precipitation	34.0 mm (1.3 in)	2018-05-10
Bergen/Flesland	Record daily precipitation	27.6 mm (1.1 in)	2018-05-10
Obrestad Fyr	Record daily precipitation	31.2 mm (1.2 in)	2018-05-10
Kvikkjokk-Arrenjarka	Record daily precipitation	16.2 mm (0.6 in)	2018-05-11
Kisa_D	Record daily precipitation	19.0 mm (0.7 in)	2018-05-11
Djursatra	Record daily precipitation	20.0 mm (0.8 in)	2018-05-11
Sarna	Record daily precipitation	15.5 mm (0.6 in)	2018-05-11
Ljusnedal	Record daily precipitation	15.8 mm (0.6 in)	2018-05-11
Avasjo-Borgafjall_D	Record daily precipitation	23.0 mm (0.9 in)	2018-05-11
Kittelfjall_D	Record daily precipitation	20.1 mm (0.8 in)	2018-05-11
Gielas	Record daily precipitation	20.4 mm (0.8 in)	2018-05-11
Hemavan	Record daily precipitation	13.8 mm (0.5 in)	2018-05-11
Jackvik	Record daily precipitation	18.2 mm (0.7 in)	2018-05-11
Mierkenis_A	Record daily precipitation	14.1 mm (0.6 in)	2018-05-11
Abisko	Record daily precipitation	14.5 mm (0.6 in)	2018-05-11

Records per Day

Peak day 57

Records set or tied each day from 10 May 2018 to 12 May 2018. The most in one day was 57 on 11 May 2018.

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Sweden and 4 other countries, 10 to 12 May 2018 ranked by margin
Oltedal, 05-10	25.7 mm (1.0 in)
Stavanger - Valand, 05-10	20.9 mm (0.8 in)
Bjorheim I Ryfylke, 05-10	20.1 mm (0.8 in)
Gielas, 05-11	16.7 mm (0.7 in)
Utsira Fyr, 05-11	16.2 mm (0.6 in)
Sola, 05-10	13.6 mm (0.5 in)
Bergen/Flesland, 05-10	13.4 mm (0.5 in)
Djursatra, 05-11	13.1 mm (0.5 in)
Avasjo-Borgafjall_D, 05-11	12.1 mm (0.5 in)
Obrestad Fyr, 05-10	11.5 mm (0.5 in)
Kisa_D, 05-11	10.5 mm (0.4 in)
Kittelfjall_D, 05-11	10.5 mm (0.4 in)
Abisko, 05-11	9.9 mm (0.39 in)
Mierkenis_A, 05-11	9.2 mm (0.36 in)
Gielas, 05-12	8.0 mm (0.31 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

113 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 4 other countries, 10 to 12 May 2018
Margin (mm)	Years the old record stood
10	75
9	92
21	35
16	43
17	23
8	92
26	35
4	112
12	49
20	35
7	80
13	35
11	53
1	112
8	40
11	43
14	19
13	41
12	43
5	47
1	84
6	43
1	75
6	35
4	63
9	35
0	77
3	38
14	19
5	48
3	56
7	43
6	41
7	32
5	40
4	40
5	32
6	4
6	20
7	19
6	35
3	44
1	55
4	48
3	35
6	41
3	36
2	40
2	49
2	49
7	8
3	36
7	32
7	5
1	51
2	40
1	47
1	52
4	36
6	5
5	28
3	35
2	41
3	44
1	49
7	7
1	40
8	27
1	41
1	44
3	20
1	44
3	32
3	35
2	41
6	20
3	35
4	3
3	32
5	20
1	40
1	40
1	40
0	43
2	35
5	4
6	5
5	12
5	4
2	24
2	5
8	4
4	3
4	20
3	12
0	23
2	11
2	5
1	12
0	5
3	5
0	4
3	12
2	12
1	15
0	4
3	4
2	9
0	9
0	12
1	4
1	12
1	3

Compared With Other Events

Station records per event

Station records in Extreme rain in Sweden and 4 other countries, 10 to 12 May 2018 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 4 other countries, 10 to 12 May 2018 (this event)	113 records

Every Record Set

20 of 113

Every record set or tied during Extreme rain in Sweden and 4 other countries, 10 to 12 May 2018, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2018-05-10	Stavanger - Valand	Record daily precipitation	33.7 mm (1.3 in)	20.9 mm (0.8 in)	35	56 of 100 (Notable)
2018-05-10	Oltedal	Record daily precipitation	42.2 mm (1.7 in)	25.7 mm (1.0 in)	35	49 of 100 (Notable)
2018-05-10	Bjorheim I Ryfylke	Record daily precipitation	37.6 mm (1.5 in)	20.1 mm (0.8 in)	35	48 of 100 (Notable)
2018-05-10	Sola	Record daily precipitation	34.0 mm (1.3 in)	13.6 mm (0.5 in)	19	39 of 100 (Notable)
2018-05-10	Bergen/Flesland	Record daily precipitation	27.6 mm (1.1 in)	13.4 mm (0.5 in)	41	39 of 100 (Notable)
2018-05-10	Obrestad Fyr	Record daily precipitation	31.2 mm (1.2 in)	11.5 mm (0.5 in)	43	38 of 100 (Notable)
2018-05-11	Utsira Fyr	Record daily precipitation	25.1 mm (1.0 in)	16.2 mm (0.6 in)	43	50 of 100 (Notable)
2018-05-11	Kvikkjokk-Arrenjarka	Record daily precipitation	16.2 mm (0.6 in)	4.2 mm (0.17 in)	112	20 of 100 (Routine)
2018-05-11	Kisa_D	Record daily precipitation	19.0 mm (0.7 in)	10.5 mm (0.4 in)	43	20 of 100 (Routine)
2018-05-11	Djursatra	Record daily precipitation	20.0 mm (0.8 in)	13.1 mm (0.5 in)	35	20 of 100 (Routine)
2018-05-11	Sarna	Record daily precipitation	15.5 mm (0.6 in)	0.9 mm (0.04 in)	112	20 of 100 (Routine)
2018-05-11	Ljusnedal	Record daily precipitation	15.8 mm (0.6 in)	6.5 mm (0.26 in)	80	20 of 100 (Routine)
2018-05-11	Avasjo-Borgafjall_D	Record daily precipitation	23.0 mm (0.9 in)	12.1 mm (0.5 in)	49	20 of 100 (Routine)
2018-05-11	Kittelfjall_D	Record daily precipitation	20.1 mm (0.8 in)	10.5 mm (0.4 in)	53	20 of 100 (Routine)
2018-05-11	Gielas	Record daily precipitation	20.4 mm (0.8 in)	16.7 mm (0.7 in)	23	20 of 100 (Routine)
2018-05-11	Hemavan	Record daily precipitation	13.8 mm (0.5 in)	5.2 mm (0.20 in)	47	20 of 100 (Routine)
2018-05-11	Jackvik	Record daily precipitation	18.2 mm (0.7 in)	8.0 mm (0.31 in)	92	20 of 100 (Routine)
2018-05-11	Mierkenis_A	Record daily precipitation	14.1 mm (0.6 in)	9.2 mm (0.36 in)	92	20 of 100 (Routine)
2018-05-11	Abisko	Record daily precipitation	14.5 mm (0.6 in)	9.9 mm (0.39 in)	75	20 of 100 (Routine)
2018-05-12	Gielas	Record daily precipitation	12.1 mm (0.5 in)	8.0 mm (0.31 in)	40	20 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 113 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 2026-10-12. 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
10	75
9	92
21	35
16	43
17	23
8	92
26	35
4	112
12	49
20	35
7	80
13	35
11	53
1	112
8	40
11	43
14	19
13	41
12	43
5	47
1	84
6	43
1	75
6	35
4	63
9	35
0	77
3	38
14	19
5	48
3	56
7	43
6	41
7	32
5	40
4	40
5	32
6	4
6	20
7	19
6	35
3	44
1	55
4	48
3	35
6	41
3	36
2	40
2	49
2	49
7	8
3	36
7	32
7	5
1	51
2	40
1	47
1	52
4	36
6	5
5	28
3	35
2	41
3	44
1	49
7	7
1	40
8	27
1	41
1	44
3	20
1	44
3	32
3	35
2	41
6	20
3	35
4	3
3	32
5	20
1	40
1	40
1	40
0	43
2	35
5	4
6	5
5	12
5	4
2	24
2	5
8	4
4	3
4	20
3	12
0	23
2	11
2	5
1	12
0	5
3	5
0	4
3	12
2	12
1	15
0	4
3	4
2	9
0	9
0	12
1	4
1	12
1	3

Margin (mm)	Years the old record stood
10	75
9	92
21	35
16	43
17	23
8	92
26	35
4	112
12	49
20	35
7	80
13	35
11	53
1	112
8	40
11	43
14	19
13	41
12	43
5	47
1	84
6	43
1	75
6	35
4	63
9	35
0	77
3	38
14	19
5	48
3	56
7	43
6	41
7	32
5	40
4	40
5	32
6	4
6	20
7	19
6	35
3	44
1	55
4	48
3	35
6	41
3	36
2	40
2	49
2	49
7	8
3	36
7	32
7	5
1	51
2	40
1	47
1	52
4	36
6	5
5	28
3	35
2	41
3	44
1	49
7	7
1	40
8	27
1	41
1	44
3	20
1	44
3	32
3	35
2	41
6	20
3	35
4	3
3	32
5	20
1	40
1	40
1	40
0	43
2	35
5	4
6	5
5	12
5	4
2	24
2	5
8	4
4	3
4	20
3	12
0	23
2	11
2	5
1	12
0	5
3	5
0	4
3	12
2	12
1	15
0	4
3	4
2	9
0	9
0	12
1	4
1	12
1	3

Margin (mm)	Years the old record stood
10	75
9	92
21	35
16	43
17	23
8	92
26	35
4	112
12	49
20	35
7	80
13	35
11	53
1	112
8	40
11	43
14	19
13	41
12	43
5	47
1	84
6	43
1	75
6	35
4	63
9	35
0	77
3	38
14	19
5	48
3	56
7	43
6	41
7	32
5	40
4	40
5	32
6	4
6	20
7	19
6	35
3	44
1	55
4	48
3	35
6	41
3	36
2	40
2	49
2	49
7	8
3	36
7	32
7	5
1	51
2	40
1	47
1	52
4	36
6	5
5	28
3	35
2	41
3	44
1	49
7	7
1	40
8	27
1	41
1	44
3	20
1	44
3	32
3	35
2	41
6	20
3	35
4	3
3	32
5	20
1	40
1	40
1	40
0	43
2	35
5	4
6	5
5	12
5	4
2	24
2	5
8	4
4	3
4	20
3	12
0	23
2	11
2	5
1	12
0	5
3	5
0	4
3	12
2	12
1	15
0	4
3	4
2	9
0	9
0	12
1	4
1	12
1	3