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Built 2026-10-19 (19 October 2026)

Tomtabacken_A Weather Records (SWE00138122)

Record envelope, standing records and threshold days for Tomtabacken_A (SWE00138122), Sweden, with 32 years of record.

Key Facts for Tomtabacken_A

  • Tomtabacken_A (SWE00138122) is a weather station in Sweden at 57.50 latitude and 14.47 longitude, 356 m (1,168 ft) above sea level.
  • The station reports from 1995 to 2026, 32 years of record.
  • 1,464 records set at Tomtabacken_A still stand.
  • Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
  • Tomtabacken_A set a daily record precipitation of 14.6 mm (0.6 in) on 31 August 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: Sweden, 57.50 latitude, 14.47 longitude.
  • Elevation: 356 m (1,168 ft).
  • Period of record: 1995 to 2026, 32 years.
  • Eligible elements: tmax, tmin, prcp.

Daily Record Envelope and 2026

14 days at or beyond a record
Daily record high and record low at Tomtabacken_A, with 2026 drawn through them The band shows the record high and record low for each calendar day at Tomtabacken_A. The lines show the 2026 daily maximum and minimum. 14 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Tomtabacken_A. The lines show the 2026 daily maximum and minimum. 14 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Tomtabacken_A, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan9.0 C (48.2 F)-19.2 C (-2.6 F)2.4 C (36.3 F)-13.0 C (8.6 F)
Feb13.1 C (55.6 F)-19.5 C (-3.1 F)6.6 C (43.9 F)-12.8 C (9.0 F)
Mar16.8 C (62.2 F)-14.9 C (5.2 F)13.8 C (56.8 F)-2.1 C (28.2 F)
Apr25.4 C (77.7 F)-8.8 C (16.2 F)20.5 C (68.9 F)-4.0 C (24.8 F)
May27.2 C (81.0 F)-2.8 C (27.0 F)22.9 C (73.2 F)0.2 C (32.4 F)
Jun32.1 C (89.8 F)1.1 C (34.0 F)32.1 C (89.8 F)5.1 C (41.2 F)
Jul33.4 C (92.1 F)3.0 C (37.4 F)30.1 C (86.2 F)5.8 C (42.4 F)
Aug32.0 C (89.6 F)3.0 C (37.4 F)27.0 C (80.6 F)7.5 C (45.5 F)
Sep27.9 C (82.2 F)-1.6 C (29.1 F)n/an/a
Oct20.9 C (69.6 F)-8.6 C (16.5 F)n/an/a
Nov15.0 C (59.0 F)-13.6 C (7.5 F)n/an/a
Dec10.4 C (50.7 F)-18.6 C (-1.5 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Tomtabacken_A by the year they were set 1,464 records at Tomtabacken_A still stand. 2018 holds the most, with 100. 02550751001995: 81996: 671997: 491998: 601999: 242000: 482001: 442002: 562003: 392004: 352005: 382006: 672007: 622008: 322009: 342010: 702011: 402012: 452013: 392014: 352015: 402016: 562017: 302018: 1002019: 412020: 502021: 402022: 502023: 392024: 552025: 462026: 2519951999200320072011201520192023
1,464 records at Tomtabacken_A still stand. 2018 holds the most, with 100.
Standing records at Tomtabacken_A by the year they were set
Year setStanding records
19958
199667
199749
199860
199924
200048
200144
200256
200339
200435
200538
200667
200762
200832
200934
201070
201140
201245
201339
201435
201540
201656
201730
2018100
201941
202050
202140
202250
202339
202455
202546
202625

Wettest Day of Each Month

Jul: 68.5 mm (2.7 in)
Record daily precipitation for each month at Tomtabacken_A The wettest day on record for each calendar month at Tomtabacken_A. The most was 68.5 mm (2.7 in) on 9 July 2004. 020406080 Jan: 26.2 mm (1.0 in), 4 January 2023 Jan Feb: 30.5 mm (1.2 in), 16 February 2020 Feb Mar: 21.4 mm (0.8 in), 17 March 2011 Mar Apr: 27.6 mm (1.1 in), 8 April 2014 Apr May: 62.4 mm (2.5 in), 20 May 2010 May Jun: 44.9 mm (1.8 in), 26 June 2007 Jun Jul: 68.5 mm (2.7 in), 9 July 2004 Jul Aug: 58.4 mm (2.3 in), 10 August 2021 Aug Sep: 31.7 mm (1.2 in), 21 September 2014 Sep Oct: 32.9 mm (1.3 in), 3 October 2023 Oct Nov: 43.0 mm (1.7 in), 8 November 2006 Nov Dec: 18.4 mm (0.7 in), 25 December 1997 Dec
The wettest day on record for each calendar month at Tomtabacken_A. The most was 68.5 mm (2.7 in) on 9 July 2004.
Record daily precipitation for each month at Tomtabacken_A
MonthRecord daily precipitation (mm)Date
Jan26.2 mm (1.0 in)4 January 2023
Feb30.5 mm (1.2 in)16 February 2020
Mar21.4 mm (0.8 in)17 March 2011
Apr27.6 mm (1.1 in)8 April 2014
May62.4 mm (2.5 in)20 May 2010
Jun44.9 mm (1.8 in)26 June 2007
Jul68.5 mm (2.7 in)9 July 2004
Aug58.4 mm (2.3 in)10 August 2021
Sep31.7 mm (1.2 in)21 September 2014
Oct32.9 mm (1.3 in)3 October 2023
Nov43.0 mm (1.7 in)8 November 2006
Dec18.4 mm (0.7 in)25 December 1997

Period of Record Coverage

1995 to 2026
Days with data per year at Tomtabacken_A 32 years of record at Tomtabacken_A, 1995 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1995, 2026. 1995: 61 of 365 days1996: 366 of 366 days1997: 337 of 365 days1998: 365 of 365 days1999: 365 of 365 days2000: 366 of 366 days2001: 365 of 365 days2002: 365 of 365 days2003: 357 of 365 days2004: 366 of 366 days2005: 365 of 365 days2006: 365 of 365 days2007: 365 of 365 days2008: 366 of 366 days2009: 365 of 365 days2010: 365 of 365 days2011: 365 of 365 days2012: 366 of 366 days2013: 365 of 365 days2014: 365 of 365 days2015: 365 of 365 days2016: 366 of 366 days2017: 365 of 365 days2018: 365 of 365 days2019: 365 of 365 days2020: 366 of 366 days2021: 365 of 365 days2022: 365 of 365 days2023: 365 of 365 days2024: 366 of 366 days2025: 365 of 365 days2026: 243 of 365 days1995200020052010201520202025
32 years of record at Tomtabacken_A, 1995 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1995, 2026.
Days with data per year at Tomtabacken_A
YearDays with dataShare of yearComplete
19956117%No
1996366100%Yes
199733792%Yes
1998365100%Yes
1999365100%Yes
2000366100%Yes
2001365100%Yes
2002365100%Yes
200335798%Yes
2004366100%Yes
2005365100%Yes
2006365100%Yes
2007365100%Yes
2008366100%Yes
2009365100%Yes
2010365100%Yes
2011365100%Yes
2012366100%Yes
2013365100%Yes
2014365100%Yes
2015365100%Yes
2016366100%Yes
2017365100%Yes
2018365100%Yes
2019365100%Yes
2020366100%Yes
2021365100%Yes
2022365100%Yes
2023365100%Yes
2024366100%Yes
2025365100%Yes
202624367%No

Latest Records

20
Latest records at Tomtabacken_A
DateStationRecordValueBeat old record byOld record stoodSignificance
31 August 2026Tomtabacken_A, SEdaily rain (Provisional)14.6 mm (0.6 in)1.1 mm (0.04 in)3 years4 of 100 (Routine)
7 August 2026Tomtabacken_A, SEdaily low max14.3 C (57.7 F)0.8 C (1.4 F)4 years6 of 100 (Routine)
30 July 2026Tomtabacken_A, SEdaily high min (Tie)16.0 C (60.8 F)tie8 years1 of 100 (Routine)
21 July 2026Tomtabacken_A, SEdaily low min5.8 C (42.4 F)2.1 C (3.8 F)17 years16 of 100 (Routine)
16 July 2026Tomtabacken_A, SEdaily high max30.1 C (86.2 F)0.8 C (1.4 F)8 years7 of 100 (Routine)
7 July 2026Tomtabacken_A, SEdaily low min6.1 C (43.0 F)1.4 C (2.5 F)29 years16 of 100 (Routine)
29 June 2026Tomtabacken_A, SEdaily high min16.9 C (62.4 F)2.5 C (4.5 F)16 years16 of 100 (Routine)
28 June 2026Tomtabacken_A, SEmonthly high min18.6 C (65.5 F)1.2 C (2.2 F)5 years18 of 100 (Routine)
28 June 2026Tomtabacken_A, SEdaily high max29.0 C (84.2 F)0.6 C (1.1 F)8 years6 of 100 (Routine)
27 June 2026Tomtabacken_A, SEmonthly high max32.1 C (89.8 F)1.1 C (2.0 F)5 years16 of 100 (Routine)
27 June 2026Tomtabacken_A, SEdaily high min16.4 C (61.5 F)0.6 C (1.1 F)4 years6 of 100 (Routine)
23 June 2026Tomtabacken_A, SEdaily high max24.1 C (75.4 F)1.3 C (2.3 F)20 years12 of 100 (Routine)
20 June 2026Tomtabacken_A, SEdaily high min16.3 C (61.3 F)0.4 C (0.7 F)25 years11 of 100 (Routine)
11 May 2026Tomtabacken_A, SEdaily rain32.6 mm (1.3 in)16.9 mm (0.7 in)21 years43 of 100 (Notable)
3 May 2026Tomtabacken_A, SEdaily high min9.8 C (49.6 F)2.2 C (4.0 F)21 years15 of 100 (Routine)
2 May 2026Tomtabacken_A, SEdaily high max22.0 C (71.6 F)1.8 C (3.2 F)21 years12 of 100 (Routine)
1 May 2026Tomtabacken_A, SEdaily high max22.5 C (72.5 F)3.2 C (5.8 F)1 year9 of 100 (Routine)
10 March 2026Tomtabacken_A, SEdaily high max12.2 C (54.0 F)0.4 C (0.7 F)12 years6 of 100 (Routine)
9 March 2026Tomtabacken_A, SEdaily high max13.8 C (56.8 F)0.3 C (0.5 F)0 years3 of 100 (Routine)
6 March 2026Tomtabacken_A, SEdaily high max12.2 C (54.0 F)3.6 C (6.5 F)0 years11 of 100 (Routine)

Climate Trend

29 complete years, 1996 to 2025
Annual mean temperature at Tomtabacken_A as warming stripes, 1996 to 2025 One stripe for each of 29 complete years at Tomtabacken_A, 1996 to 2025. Blue stripes are years cooler than the station's own mean of 6.4 C (43.5 F); red stripes are warmer. The coolest year was 2010, at 4.3 C (39.7 F), and the warmest was 2020, at 7.7 C (45.9 F). The strongest colour marks a difference of 2.2 C (4.0 F). 1996: 4.5 C, -1.9 C from the station mean1998: 5.2 C, -1.2 C from the station mean1999: 6.2 C, -0.2 C from the station mean2000: 6.8 C, +0.4 C from the station mean2001: 5.6 C, -0.8 C from the station mean2002: 6.3 C, -0.1 C from the station mean2003: 6.2 C, -0.2 C from the station mean2004: 5.8 C, -0.6 C from the station mean2005: 6.2 C, -0.2 C from the station mean2006: 6.8 C, +0.4 C from the station mean2007: 6.7 C, +0.3 C from the station mean2008: 6.7 C, +0.3 C from the station mean2009: 6.0 C, -0.4 C from the station mean2010: 4.3 C, -2.1 C from the station mean2011: 6.6 C, +0.2 C from the station mean2012: 5.6 C, -0.8 C from the station mean2013: 6.0 C, -0.4 C from the station mean2014: 7.4 C, +1.0 C from the station mean2015: 6.8 C, +0.4 C from the station mean2016: 6.5 C, +0.1 C from the station mean2017: 6.5 C, +0.1 C from the station mean2018: 7.2 C, +0.8 C from the station mean2019: 7.2 C, +0.8 C from the station mean2020: 7.7 C, +1.3 C from the station mean2021: 6.4 C, 0.0 C from the station mean2022: 7.2 C, +0.8 C from the station mean2023: 6.6 C, +0.2 C from the station mean2024: 7.3 C, +0.9 C from the station mean2025: 7.5 C, +1.1 C from the station mean1996200020052010201520202025
One stripe for each of 29 complete years at Tomtabacken_A, 1996 to 2025. Blue stripes are years cooler than the station's own mean of 6.4 C (43.5 F); red stripes are warmer. The coolest year was 2010, at 4.3 C (39.7 F), and the warmest was 2020, at 7.7 C (45.9 F). The strongest colour marks a difference of 2.2 C (4.0 F).
Annual mean temperature at Tomtabacken_A as warming stripes, 1996 to 2025
YearAnnual mean temperatureDifference from the station mean
19964.5 C-1.93 C
19985.2 C-1.22 C
19996.2 C-0.23 C
20006.8 C+0.44 C
20015.6 C-0.82 C
20026.3 C-0.09 C
20036.2 C-0.25 C
20045.8 C-0.60 C
20056.2 C-0.21 C
20066.8 C+0.40 C
20076.7 C+0.26 C
20086.7 C+0.33 C
20096.0 C-0.45 C
20104.3 C-2.13 C
20116.6 C+0.16 C
20125.6 C-0.84 C
20136.0 C-0.45 C
20147.4 C+0.99 C
20156.8 C+0.35 C
20166.5 C+0.13 C
20176.5 C+0.05 C
20187.2 C+0.83 C
20197.2 C+0.76 C
20207.7 C+1.34 C
20216.4 C-0.02 C
20227.2 C+0.83 C
20236.6 C+0.21 C
20247.3 C+0.91 C
20257.5 C+1.14 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1995 to 2026
Yearly extremes at Tomtabacken_A: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)33.4 C (92.1 F)202228.2 C (82.8 F)32
Coldest night (TNn)-19.5 C (-3.1 F)2010-15.1 C (4.7 F)32
Wettest day (Rx1day)68.5 mm (2.7 in)200434.0 mm (1.3 in)32
Wettest five days (Rx5day)113.8 mm (4.5 in)200459.9 mm (2.4 in)32
Longest dry spell (CDD)42 days201920 days32

Hottest day (TXx)

Hottest day (TXx) at Tomtabacken_A by year The hottest day of the year at Tomtabacken_A, 1995 to 2026. The record is 33.4 C (92.1 F) in 2022, marked on the chart; the median year is 28.2 C (82.8 F). 010203040200020102020Record: 33.4 C (92.1 F) in 2022
The hottest day of the year at Tomtabacken_A, 1995 to 2026. The record is 33.4 C (92.1 F) in 2022, marked on the chart; the median year is 28.2 C (82.8 F).
Hottest day (TXx) at Tomtabacken_A by year
YearHottest day (TXx)
19957.2 C (45.0 F)
199627.8 C (82.0 F)
199729.7 C (85.5 F)
199825.7 C (78.3 F)
199928.4 C (83.1 F)
200029.1 C (84.4 F)
200128.6 C (83.5 F)
200227.5 C (81.5 F)
200326.6 C (79.9 F)
200426.8 C (80.2 F)
200527.8 C (82.0 F)
200629.7 C (85.5 F)
200728.9 C (84.0 F)
200828.5 C (83.3 F)
200926.9 C (80.4 F)
201031.1 C (88.0 F)
201126.9 C (80.4 F)
201225.7 C (78.3 F)
201327.1 C (80.8 F)
201429.8 C (85.6 F)
201529.2 C (84.6 F)
201628.2 C (82.8 F)
201725.9 C (78.6 F)
201832.0 C (89.6 F)
201930.0 C (86.0 F)
202028.2 C (82.8 F)
202131.0 C (87.8 F)
202233.4 C (92.1 F)
202327.8 C (82.0 F)
202427.9 C (82.2 F)
202527.3 C (81.1 F)
202632.1 C (89.8 F)

Coldest night (TNn)

Coldest night (TNn) at Tomtabacken_A by year The coldest night of the year at Tomtabacken_A, 1995 to 2026. The record is -19.5 C (-3.1 F) in 2010, marked on the chart; the median year is -15.1 C (4.7 F). -20-15-10-5200020102020Record: -19.5 C (-3.1 F) in 2010
The coldest night of the year at Tomtabacken_A, 1995 to 2026. The record is -19.5 C (-3.1 F) in 2010, marked on the chart; the median year is -15.1 C (4.7 F).
Coldest night (TNn) at Tomtabacken_A by year
YearColdest night (TNn)
1995-15.8 C (3.6 F)
1996-18.9 C (-2.0 F)
1997-19.2 C (-2.6 F)
1998-14.9 C (5.2 F)
1999-18.2 C (-0.8 F)
2000-12.7 C (9.1 F)
2001-18.5 C (-1.3 F)
2002-18.6 C (-1.5 F)
2003-18.0 C (-0.4 F)
2004-17.4 C (0.7 F)
2005-14.9 C (5.2 F)
2006-15.1 C (4.8 F)
2007-13.8 C (7.2 F)
2008-12.6 C (9.3 F)
2009-15.5 C (4.1 F)
2010-19.5 C (-3.1 F)
2011-15.6 C (3.9 F)
2012-17.3 C (0.9 F)
2013-18.3 C (-0.9 F)
2014-13.2 C (8.2 F)
2015-8.5 C (16.7 F)
2016-14.4 C (6.1 F)
2017-15.2 C (4.6 F)
2018-17.0 C (1.4 F)
2019-10.8 C (12.6 F)
2020-8.1 C (17.4 F)
2021-13.4 C (7.9 F)
2022-12.6 C (9.3 F)
2023-12.9 C (8.8 F)
2024-16.0 C (3.2 F)
2025-13.4 C (7.9 F)
2026-13.0 C (8.6 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Tomtabacken_A by year The wettest day of the year at Tomtabacken_A, 1995 to 2026. The record is 68.5 mm (2.7 in) in 2004, marked on the chart; the median year is 34.0 mm (1.3 in). 020406080200020102020Record: 68.5 mm (2.7 in) in 2004
The wettest day of the year at Tomtabacken_A, 1995 to 2026. The record is 68.5 mm (2.7 in) in 2004, marked on the chart; the median year is 34.0 mm (1.3 in).
Wettest day (Rx1day) at Tomtabacken_A by year
YearWettest day (Rx1day)
199517.7 mm (0.7 in)
199634.4 mm (1.4 in)
199731.4 mm (1.2 in)
199830.9 mm (1.2 in)
199927.2 mm (1.1 in)
200029.0 mm (1.1 in)
200126.2 mm (1.0 in)
200219.8 mm (0.8 in)
200351.0 mm (2.0 in)
200468.5 mm (2.7 in)
200537.2 mm (1.5 in)
200643.0 mm (1.7 in)
200744.9 mm (1.8 in)
200847.4 mm (1.9 in)
200946.7 mm (1.8 in)
201062.4 mm (2.5 in)
201132.3 mm (1.3 in)
201231.9 mm (1.3 in)
201321.1 mm (0.8 in)
201448.0 mm (1.9 in)
201521.1 mm (0.8 in)
201623.7 mm (0.9 in)
201733.5 mm (1.3 in)
201820.1 mm (0.8 in)
201936.8 mm (1.4 in)
202039.1 mm (1.5 in)
202158.4 mm (2.3 in)
202235.8 mm (1.4 in)
202332.9 mm (1.3 in)
202440.1 mm (1.6 in)
202548.2 mm (1.9 in)
202632.6 mm (1.3 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Tomtabacken_A by year The wettest five days of the year at Tomtabacken_A, 1995 to 2026. The record is 113.8 mm (4.5 in) in 2004, marked on the chart; the median year is 59.9 mm (2.4 in). 20406080100120200020102020Record: 113.8 mm (4.5 in) in 2004
The wettest five days of the year at Tomtabacken_A, 1995 to 2026. The record is 113.8 mm (4.5 in) in 2004, marked on the chart; the median year is 59.9 mm (2.4 in).
Wettest five days (Rx5day) at Tomtabacken_A by year
YearWettest five days (Rx5day)
199548.2 mm (1.9 in)
199644.7 mm (1.8 in)
199747.2 mm (1.9 in)
199871.8 mm (2.8 in)
199950.2 mm (2.0 in)
200045.3 mm (1.8 in)
200141.7 mm (1.6 in)
200245.1 mm (1.8 in)
2003103.0 mm (4.1 in)
2004113.8 mm (4.5 in)
200550.6 mm (2.0 in)
200671.2 mm (2.8 in)
200769.8 mm (2.7 in)
200877.3 mm (3.0 in)
200962.3 mm (2.5 in)
201081.3 mm (3.2 in)
201163.3 mm (2.5 in)
201277.8 mm (3.1 in)
201349.4 mm (1.9 in)
201475.9 mm (3.0 in)
201542.4 mm (1.7 in)
201634.4 mm (1.4 in)
201759.9 mm (2.4 in)
201836.7 mm (1.4 in)
201965.8 mm (2.6 in)
202055.2 mm (2.2 in)
202168.0 mm (2.7 in)
202243.8 mm (1.7 in)
202359.8 mm (2.4 in)
202462.5 mm (2.5 in)
202564.2 mm (2.5 in)
202643.0 mm (1.7 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Tomtabacken_A by year The longest dry spell of the year at Tomtabacken_A, 1995 to 2026. The record is 42 days in 2019, marked on the chart; the median year is 20 days. 1020304050200020102020Record: 42 days in 2019
The longest dry spell of the year at Tomtabacken_A, 1995 to 2026. The record is 42 days in 2019, marked on the chart; the median year is 20 days.
Longest dry spell (CDD) at Tomtabacken_A by year
YearLongest dry spell (CDD)
199513 days
199624 days
199712 days
199813 days
199917 days
200013 days
200117 days
200217 days
200332 days
200416 days
200519 days
200620 days
200719 days
200838 days
200924 days
201021 days
201125 days
201222 days
201322 days
201418 days
201525 days
201620 days
201713 days
201824 days
201942 days
202021 days
202122 days
202232 days
202330 days
202417 days
202520 days
202615 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.

Frost Dates and Growing Season

29 years with a frost

Across 29 years with a frost, the median last spring frost at Tomtabacken_A falls on 7 May and the median first autumn frost on 14 October, which leaves a median of 158 days between them.

Fitted over all years, the growing season changes by +4.5 days per decade at this station.

Frost dates and growing season at Tomtabacken_A
MeasureMedian, all yearsEarliest periodRecent period (1996 to 2025)Recent against earliestFitted trend
Last spring frost7 Mayn/a7 Mayn/a-1.9 days per decade
First autumn frost14 Octobern/a14 Octobern/a+2.6 days per decade
Growing days158 daysn/a158 daysn/a+4.5 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Rainfall Return Levels

30 years, 1996 to 2025

A day with at least 35.6 mm (1.4 in) of rain is expected about once in 2 years. A day with at least 76.1 mm (3.0 in) of rain is expected about once in 100 years.

Rainfall return levels at Tomtabacken_A: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years35.6 mm (1.4 in)
5 years47.2 mm (1.9 in)
10 years54.5 mm (2.1 in)
25 years63.5 mm (2.5 in)
50 years69.9 mm (2.8 in)Longer than the 30 years of record
100 years76.1 mm (3.0 in)Longer than the 30 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, 30 years of values from 1996 to 2025.

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: 68.5 mm (2.7 in) in 2004; 62.4 mm (2.5 in) in 2010; 58.4 mm (2.3 in) in 2021.

Download the Data

  • Data for Tomtabacken_A standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Tomtabacken_A 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 (2026-10-17).