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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Overkalix-Svartbyn_A Threshold Days by Year (SWE00140692)

10 fixed thresholds counted per year at Overkalix-Svartbyn_A (SWE00140692): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Overkalix-Svartbyn_A Thresholds

  • Overkalix-Svartbyn_A: days with a maximum temperature at or below 0 C (32 F) in 31 years, most in 2010 with 145.
  • Overkalix-Svartbyn_A: nights with a minimum temperature at or below 0 C (32 F) in 31 years, most in 1997 with 220.
  • Overkalix-Svartbyn_A: nights with a minimum temperature at or below -10 C (14 F) in 31 years, most in 2010 with 122.
  • Overkalix-Svartbyn_A: nights with a minimum temperature at or below -20 C (-4 F) in 31 years, most in 2010 with 66.
  • 10 fixed thresholds have at least one qualifying day at Overkalix-Svartbyn_A.
10 years with a qualifying day
Days at or above 30 C (86 F) per year at Overkalix-Svartbyn_A Days per year at Overkalix-Svartbyn_A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 2025. 0358102003: 12005: 12011: 22014: 32018: 72019: 32021: 32022: 32023: 12025: 102003200520112014201820192021202220232025
Days per year at Overkalix-Svartbyn_A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 2025.
Days at or above 30 C (86 F) per year at Overkalix-Svartbyn_A
YearDaysDecade average
200311
200511
201123.8
201433.8
201873.8
201933.8
202134.3
202234.3
202314.3
2025104.3
First to last qualifying date each year at Overkalix-Svartbyn_A For each year, a bar from the first to the last day at Overkalix-Svartbyn_A meeting 30 C (86 F). 2003: 17 July 2003 to 17 July 20032005: 5 July 2005 to 5 July 20052011: 9 June 2011 to 10 June 20112014: 22 July 2014 to 25 July 20142018: 11 July 2018 to 31 July 20182019: 25 July 2019 to 27 July 20192021: 4 July 2021 to 28 July 20212022: 26 June 2022 to 1 July 20222023: 8 August 2023 to 8 August 20232025: 13 July 2025 to 1 August 202520032011201820212023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Overkalix-Svartbyn_A meeting 30 C (86 F).
First to last qualifying date each year at Overkalix-Svartbyn_A
YearFirst dateLast date
20032003-07-172003-07-17
20052005-07-052005-07-05
20112011-06-092011-06-10
20142014-07-222014-07-25
20182018-07-112018-07-31
20192019-07-252019-07-27
20212021-07-042021-07-28
20222022-06-262022-07-01
20232023-08-082023-08-08
20252025-07-132025-08-01

Every Fixed Threshold

Fixed thresholds at Overkalix-Svartbyn_A
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1010202510
90 F (32.2 C): Days4220191
0 C (32 F): Ice days (max31145201062
0 C (32 F): Frost days (min312201997116
-10 C (14 F): Days with min31122201057
-20 C (-4 F): Days with min3166201040
-30 C (-22 F): Days with min2813200313
-40 C (-40 F): Days with min1219992
10 mm (0.39 in): Days with 10 mm or more rain2924201211
25 mm (0.98 in): Days with 25 mm or more rain19420163

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2003.

Download the Data

  • Data for Overkalix-Svartbyn_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). Threshold counts are computed by this site.

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