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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Grums Weather Records (SWE00138888)

Record envelope, standing records and threshold days for Grums (SWE00138888), Sweden, with 34 years of record.

Key Facts for Grums

  • Grums (SWE00138888) is a weather station in Sweden at 59.35 latitude and 13.11 longitude, 60 m (197 ft) above sea level.
  • The station reports from 1987 to 2020, 34 years of record.
  • 0 records set at Grums still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Grums set a daily record precipitation of 13.6 mm (0.5 in) on 9 February 2020.

About the Station

  • Location: Sweden, 59.35 latitude, 13.11 longitude.
  • Elevation: 60 m (197 ft).
  • Period of record: 1987 to 2020, 34 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Grums, with 2026 drawn through them The band shows the record high and record low for each calendar day at Grums. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 000111 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Grums. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Grums, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jann/an/an/an/a
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Which Years Hold Standing Records

0 standing records
Standing records at Grums by the year they were set 0 records at Grums still stand. 00000000000
0 records at Grums still stand.
Standing records at Grums by the year they were set
Year setStanding records

Wettest Day of Each Month

Jul: 59.2 mm (2.3 in)
Record daily precipitation for each month at Grums The wettest day on record for each calendar month at Grums. The most was 59.2 mm (2.3 in) on 29 July 2010. 0204060 Jan: 24.1 mm (0.9 in), 5 January 2008 Jan Feb: 20.0 mm (0.8 in), 26 February 1990 Feb Mar: 22.1 mm (0.9 in), 3 March 1999 Mar Apr: 26.2 mm (1.0 in), 20 April 1988 Apr May: 35.3 mm (1.4 in), 6 May 1997 May Jun: 40.1 mm (1.6 in), 29 June 2014 Jun Jul: 59.2 mm (2.3 in), 29 July 2010 Jul Aug: 56.0 mm (2.2 in), 3 August 2014 Aug Sep: 53.2 mm (2.1 in), 18 September 2011 Sep Oct: 42.0 mm (1.7 in), 9 October 1993 Oct Nov: 38.2 mm (1.5 in), 7 November 2000 Nov Dec: 32.3 mm (1.3 in), 28 December 2000 Dec
The wettest day on record for each calendar month at Grums. The most was 59.2 mm (2.3 in) on 29 July 2010.
Record daily precipitation for each month at Grums
MonthRecord daily precipitation (mm)Date
Jan24.1 mm (0.9 in)5 January 2008
Feb20.0 mm (0.8 in)26 February 1990
Mar22.1 mm (0.9 in)3 March 1999
Apr26.2 mm (1.0 in)20 April 1988
May35.3 mm (1.4 in)6 May 1997
Jun40.1 mm (1.6 in)29 June 2014
Jul59.2 mm (2.3 in)29 July 2010
Aug56.0 mm (2.2 in)3 August 2014
Sep53.2 mm (2.1 in)18 September 2011
Oct42.0 mm (1.7 in)9 October 1993
Nov38.2 mm (1.5 in)7 November 2000
Dec32.3 mm (1.3 in)28 December 2000

Latest Records

20
Latest records at Grums
DateStationRecordValueBeat old record byOld record stoodSignificance
9 February 2020Grums, SEdaily rain13.6 mm (0.5 in)3.6 mm (0.14 in)8 years15 of 100 (Routine)
14 January 2020Grums, SEdaily rain8.8 mm (0.35 in)3.7 mm (0.15 in)5 years13 of 100 (Routine)
18 November 2019Grums, SEdaily rain12.4 mm (0.5 in)2.9 mm (0.11 in)4 years9 of 100 (Routine)
16 November 2019Grums, SEdaily rain24.0 mm (0.9 in)11.5 mm (0.5 in)32 years20 of 100 (Routine)
19 October 2019Grums, SEdaily rain36.1 mm (1.4 in)31.3 mm (1.2 in)26 years51 of 100 (Notable)
13 October 2019Grums, SEdaily rain15.0 mm (0.6 in)6.5 mm (0.26 in)30 years20 of 100 (Routine)
18 May 2019Grums, SEdaily rain9.6 mm (0.38 in)4.2 mm (0.17 in)12 years13 of 100 (Routine)
16 March 2019Grums, SEdaily rain10.6 mm (0.4 in)1.7 mm (0.07 in)10 years10 of 100 (Routine)
7 March 2019Grums, SEdaily rain13.4 mm (0.5 in)5.6 mm (0.22 in)12 years20 of 100 (Routine)
6 March 2019Grums, SEdaily rain12.5 mm (0.5 in)0.1 mm (0.00 in)2 years3 of 100 (Routine)
4 February 2019Grums, SEdaily rain10.8 mm (0.4 in)2.1 mm (0.08 in)31 years17 of 100 (Routine)
16 January 2019Grums, SEdaily rain11.5 mm (0.5 in)3.7 mm (0.15 in)0 years12 of 100 (Routine)
7 December 2018Grums, SEdaily rain8.8 mm (0.35 in)0.3 mm (0.01 in)23 years9 of 100 (Routine)
6 December 2018Grums, SEdaily rain12.0 mm (0.5 in)1.4 mm (0.06 in)12 years9 of 100 (Routine)
2 December 2018Grums, SEdaily rain18.9 mm (0.7 in)1.4 mm (0.06 in)9 years8 of 100 (Routine)
11 November 2018Grums, SEdaily rain26.6 mm (1.0 in)10.6 mm (0.4 in)25 years30 of 100 (Routine)
10 November 2018Grums, SEdaily rain21.0 mm (0.8 in)11.7 mm (0.5 in)9 years20 of 100 (Routine)
7 September 2018Grums, SEdaily rain18.2 mm (0.7 in)11.7 mm (0.5 in)16 years20 of 100 (Routine)
23 August 2018Grums, SEdaily rain32.1 mm (1.3 in)21.5 mm (0.8 in)31 years40 of 100 (Notable)
30 April 2018Grums, SEdaily rain25.6 mm (1.0 in)13.1 mm (0.5 in)15 years33 of 100 (Routine)

Extremes by Year

1987 to 2020
Yearly extremes at Grums: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)59.2 mm (2.3 in)201033.4 mm (1.3 in)34
Wettest five days (Rx5day)117.2 mm (4.6 in)200961.3 mm (2.4 in)34
Longest dry spell (CDD)57 days199122 days34

Wettest day (Rx1day)

Wettest day (Rx1day) at Grums by year The wettest day of the year at Grums, 1987 to 2020. The record is 59.2 mm (2.3 in) in 2010, marked on the chart; the median year is 33.4 mm (1.3 in). 02040601990200020102020Record: 59.2 mm (2.3 in) in 2010
The wettest day of the year at Grums, 1987 to 2020. The record is 59.2 mm (2.3 in) in 2010, marked on the chart; the median year is 33.4 mm (1.3 in).
Wettest day (Rx1day) at Grums by year
YearWettest day (Rx1day)
198733.8 mm (1.3 in)
198846.1 mm (1.8 in)
198917.4 mm (0.7 in)
199025.4 mm (1.0 in)
199133.0 mm (1.3 in)
199226.1 mm (1.0 in)
199342.0 mm (1.7 in)
199438.3 mm (1.5 in)
199539.7 mm (1.6 in)
199640.9 mm (1.6 in)
199742.3 mm (1.7 in)
199837.5 mm (1.5 in)
199929.0 mm (1.1 in)
200038.2 mm (1.5 in)
200129.9 mm (1.2 in)
200235.0 mm (1.4 in)
200329.8 mm (1.2 in)
200437.0 mm (1.5 in)
200523.7 mm (0.9 in)
200632.7 mm (1.3 in)
200729.4 mm (1.2 in)
200828.0 mm (1.1 in)
200946.8 mm (1.8 in)
201059.2 mm (2.3 in)
201153.2 mm (2.1 in)
201229.5 mm (1.2 in)
201335.5 mm (1.4 in)
201456.0 mm (2.2 in)
201529.1 mm (1.1 in)
201623.0 mm (0.9 in)
201723.5 mm (0.9 in)
201832.1 mm (1.3 in)
201936.1 mm (1.4 in)
202013.6 mm (0.5 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Grums by year The wettest five days of the year at Grums, 1987 to 2020. The record is 117.2 mm (4.6 in) in 2009, marked on the chart; the median year is 61.3 mm (2.4 in). 02550751001251990200020102020Record: 117.2 mm (4.6 in) in 2009
The wettest five days of the year at Grums, 1987 to 2020. The record is 117.2 mm (4.6 in) in 2009, marked on the chart; the median year is 61.3 mm (2.4 in).
Wettest five days (Rx5day) at Grums by year
YearWettest five days (Rx5day)
198762.6 mm (2.5 in)
198861.7 mm (2.4 in)
198933.9 mm (1.3 in)
199085.5 mm (3.4 in)
199155.9 mm (2.2 in)
199255.8 mm (2.2 in)
199360.9 mm (2.4 in)
199466.6 mm (2.6 in)
199565.2 mm (2.6 in)
199658.6 mm (2.3 in)
199787.6 mm (3.4 in)
199867.9 mm (2.7 in)
199979.0 mm (3.1 in)
200075.2 mm (3.0 in)
200158.4 mm (2.3 in)
200260.0 mm (2.4 in)
200358.1 mm (2.3 in)
200474.1 mm (2.9 in)
200539.0 mm (1.5 in)
200665.5 mm (2.6 in)
200752.6 mm (2.1 in)
200859.2 mm (2.3 in)
2009117.2 mm (4.6 in)
201087.9 mm (3.5 in)
201163.8 mm (2.5 in)
201252.1 mm (2.1 in)
201350.1 mm (2.0 in)
2014104.1 mm (4.1 in)
201578.2 mm (3.1 in)
201637.4 mm (1.5 in)
201751.8 mm (2.0 in)
201851.1 mm (2.0 in)
201973.5 mm (2.9 in)
202019.3 mm (0.8 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Grums by year The longest dry spell of the year at Grums, 1987 to 2020. The record is 57 days in 1991, marked on the chart; the median year is 22 days. 02040601990200020102020Record: 57 days in 1991
The longest dry spell of the year at Grums, 1987 to 2020. The record is 57 days in 1991, marked on the chart; the median year is 22 days.
Longest dry spell (CDD) at Grums by year
YearLongest dry spell (CDD)
198718 days
198826 days
198925 days
199026 days
199157 days
199223 days
199322 days
199414 days
199520 days
199627 days
199723 days
199814 days
199916 days
200023 days
200114 days
200222 days
200328 days
200419 days
200521 days
200621 days
200716 days
200824 days
200925 days
201021 days
201125 days
201222 days
201330 days
201417 days
201519 days
201623 days
201715 days
201822 days
201940 days
202012 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Rainfall Return Levels

32 years, 1988 to 2019

A day with at least 33.7 mm (1.3 in) of rain is expected about once in 2 years. A day with at least 65.3 mm (2.6 in) of rain is expected about once in 100 years.

Rainfall return levels at Grums: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years33.7 mm (1.3 in)
5 years42.7 mm (1.7 in)
10 years48.4 mm (1.9 in)
25 years55.4 mm (2.2 in)
50 years60.4 mm (2.4 in)Longer than the 32 years of record
100 years65.3 mm (2.6 in)Longer than the 32 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 32 years of values from 1988 to 2019.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 59.2 mm (2.3 in) in 2010; 56.0 mm (2.2 in) in 2014; 53.2 mm (2.1 in) in 2011.

Download the Data

  • Data for Grums standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Grums threshold days by year: CSV or JSON. Field meanings are on the data page.

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 (17 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).