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Built 2026-10-19 (19 October 2026)

Kolmarden-Stromsfors Threshold Days by Year (SWE00138596)

10 fixed thresholds counted per year at Kolmarden-Stromsfors (SWE00138596): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kolmarden-Stromsfors Thresholds

  • Kolmarden-Stromsfors: days with a maximum temperature at or below 0 C (32 F) in 31 years, most in 2010 with 106.
  • Kolmarden-Stromsfors: nights with a minimum temperature at or below 0 C (32 F) in 31 years, most in 2010 with 155.
  • Kolmarden-Stromsfors: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 2023 with 30.
  • Kolmarden-Stromsfors: nights with a minimum temperature at or below -10 C (14 F) in 29 years, most in 2010 with 47.
  • 10 fixed thresholds have at least one qualifying day at Kolmarden-Stromsfors.
18 years with a qualifying day
Days at or above 30 C (86 F) per year at Kolmarden-Stromsfors Days per year at Kolmarden-Stromsfors with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 14 in 2018. 0510151999: 22001: 32005: 22006: 22007: 32008: 12009: 12010: 62014: 52015: 22016: 32018: 142019: 32020: 32021: 32022: 42025: 12026: 6199920052007200920142016201920212025
Days per year at Kolmarden-Stromsfors with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 14 in 2018.
Days at or above 30 C (86 F) per year at Kolmarden-Stromsfors
YearDaysDecade average
199922
200132
200522
200622
200732
200812
200912
201065.5
201455.5
201525.5
201635.5
2018145.5
201935.5
202033.4
202133.4
202243.4
202513.4
202663.4
First to last qualifying date each year at Kolmarden-Stromsfors For each year, a bar from the first to the last day at Kolmarden-Stromsfors meeting 30 C (86 F). 1999: 11 July 1999 to 12 July 19992001: 5 July 2001 to 7 July 20012005: 8 July 2005 to 12 July 20052006: 6 July 2006 to 7 July 20062007: 8 June 2007 to 10 June 20072008: 8 June 2008 to 8 June 20082009: 2 July 2009 to 2 July 20092010: 3 July 2010 to 13 July 20102014: 23 July 2014 to 4 August 20142015: 2 July 2015 to 4 July 20152016: 24 July 2016 to 26 August 20162018: 2 June 2018 to 8 August 20182019: 30 June 2019 to 28 July 20192020: 25 June 2020 to 15 August 20202021: 18 June 2021 to 17 July 20212022: 27 June 2022 to 13 August 20222025: 19 July 2025 to 19 July 20252026: 26 June 2026 to 15 August 2026199920062009201520192022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Kolmarden-Stromsfors meeting 30 C (86 F).
First to last qualifying date each year at Kolmarden-Stromsfors
YearFirst dateLast date
19991999-07-111999-07-12
20012001-07-052001-07-07
20052005-07-082005-07-12
20062006-07-062006-07-07
20072007-06-082007-06-10
20082008-06-082008-06-08
20092009-07-022009-07-02
20102010-07-032010-07-13
20142014-07-232014-08-04
20152015-07-022015-07-04
20162016-07-242016-08-26
20182018-06-022018-08-08
20192019-06-302019-07-28
20202020-06-252020-08-15
20212021-06-182021-07-17
20222022-06-272022-08-13
20252025-07-192025-07-19
20262026-06-262026-08-15

Every Fixed Threshold

Fixed thresholds at Kolmarden-Stromsfors
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days181420186
90 F (32.2 C): Days6620181
0 C (32 F): Ice days (max31106201045
0 C (32 F): Frost days (min31155201071
-10 C (14 F): Days with min294720109
-20 C (-4 F): Days with min3220012
20 C (68 F): Tropical nights (min4220181
10 mm (0.39 in): Days with 10 mm or more rain313020237
25 mm (0.98 in): Days with 25 mm or more rain23420111
50 mm (1.97 in): Days with 50 mm or more rain3119961

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1999.

Download the Data

  • Data for Kolmarden-Stromsfors 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). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-14).