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

Kouvola Voikoski Threshold Days by Year (FIE00143136)

3 fixed thresholds counted per year at Kouvola Voikoski (FIE00143136): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kouvola Voikoski Thresholds

  • Kouvola Voikoski: days with 10 mm (0.39 in) or more of precipitation in 50 years, most in 1981 with 22.
  • Kouvola Voikoski: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 2007 with 5.
  • Kouvola Voikoski: days with 50 mm (1.97 in) or more of precipitation in 4 years, most in 1977 with 1.
  • 3 fixed thresholds have at least one qualifying day at Kouvola Voikoski.
50 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Kouvola Voikoski Days per year at Kouvola Voikoski with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 22 in 1981. 01020301970: 171971: 131972: 91973: 111974: 161975: 91976: 51977: 121978: 71979: 151980: 151981: 221982: 131983: 151984: 171985: 181986: 101987: 111988: 141989: 111997: 131998: 161999: 142000: 152001: 142002: 102003: 122004: 132005: 142006: 92007: 172008: 182009: 102010: 92011: 202012: 182013: 102014: 162015: 102016: 82017: 112018: 122019: 132020: 202021: 192022: 62023: 162024: 152025: 102026: 141970197519801985199720022007201220172022
Days per year at Kouvola Voikoski with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 22 in 1981.
Days with 10 mm (0.39 in) or more of precipitation per year at Kouvola Voikoski
YearDaysDecade average
19701711.4
19711311.4
1972911.4
19731111.4
19741611.4
1975911.4
1976511.4
19771211.4
1978711.4
19791511.4
19801514.6
19812214.6
19821314.6
19831514.6
19841714.6
19851814.6
19861014.6
19871114.6
19881414.6
19891114.6
19971314.3
19981614.3
19991414.3
20001513.2
20011413.2
20021013.2
20031213.2
20041313.2
20051413.2
2006913.2
20071713.2
20081813.2
20091013.2
2010912.7
20112012.7
20121812.7
20131012.7
20141612.7
20151012.7
2016812.7
20171112.7
20181212.7
20191312.7
20202014.3
20211914.3
2022614.3
20231614.3
20241514.3
20251014.3
20261414.3
First to last qualifying date each year at Kouvola Voikoski For each year, a bar from the first to the last day at Kouvola Voikoski meeting 10 mm (0.39 in). 1970: 6 January 1970 to 31 December 19701971: 1 February 1971 to 21 December 19711972: 8 February 1972 to 28 August 19721973: 7 March 1973 to 13 November 19731974: 21 March 1974 to 17 November 19741975: 12 January 1975 to 28 September 19751976: 20 January 1976 to 12 September 19761977: 25 March 1977 to 22 November 19771978: 1 January 1978 to 5 October 19781979: 7 January 1979 to 17 December 19791980: 19 April 1980 to 15 December 19801981: 9 March 1981 to 25 December 19811982: 3 May 1982 to 15 December 19821983: 13 January 1983 to 30 December 19831984: 3 January 1984 to 23 December 19841985: 2 April 1985 to 26 December 19851986: 11 July 1986 to 5 December 19861987: 17 May 1987 to 29 December 19871988: 28 March 1988 to 8 December 19881989: 8 January 1989 to 28 September 19891997: 26 March 1997 to 11 October 19971998: 30 March 1998 to 20 October 19981999: 4 February 1999 to 17 December 19992000: 29 January 2000 to 18 November 20002001: 9 June 2001 to 6 November 20012002: 24 January 2002 to 26 November 20022003: 1 May 2003 to 21 December 20032004: 31 January 2004 to 15 November 20042005: 30 January 2005 to 30 November 20052006: 3 June 2006 to 14 December 20062007: 2 February 2007 to 18 September 20072008: 19 January 2008 to 23 November 20082009: 5 April 2009 to 18 November 20092010: 23 February 2010 to 30 December 20102011: 16 May 2011 to 10 December 20112012: 6 May 2012 to 30 November 20122013: 30 January 2013 to 4 November 20132014: 7 January 2014 to 30 December 20142015: 2 January 2015 to 6 December 20152016: 26 January 2016 to 29 October 20162017: 20 June 2017 to 8 October 20172018: 24 January 2018 to 26 September 20182019: 1 January 2019 to 29 November 20192020: 16 February 2020 to 21 November 20202021: 2 January 2021 to 14 December 20212022: 14 February 2022 to 14 November 20222023: 27 March 2023 to 10 November 20232024: 16 February 2024 to 22 December 20242025: 18 June 2025 to 20 September 20252026: 21 February 2026 to 22 August 202619701977198419982005201220192026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Kouvola Voikoski meeting 10 mm (0.39 in).
First to last qualifying date each year at Kouvola Voikoski
YearFirst dateLast date
19701970-01-061970-12-31
19711971-02-011971-12-21
19721972-02-081972-08-28
19731973-03-071973-11-13
19741974-03-211974-11-17
19751975-01-121975-09-28
19761976-01-201976-09-12
19771977-03-251977-11-22
19781978-01-011978-10-05
19791979-01-071979-12-17
19801980-04-191980-12-15
19811981-03-091981-12-25
19821982-05-031982-12-15
19831983-01-131983-12-30
19841984-01-031984-12-23
19851985-04-021985-12-26
19861986-07-111986-12-05
19871987-05-171987-12-29
19881988-03-281988-12-08
19891989-01-081989-09-28
19971997-03-261997-10-11
19981998-03-301998-10-20
19991999-02-041999-12-17
20002000-01-292000-11-18
20012001-06-092001-11-06
20022002-01-242002-11-26
20032003-05-012003-12-21
20042004-01-312004-11-15
20052005-01-302005-11-30
20062006-06-032006-12-14
20072007-02-022007-09-18
20082008-01-192008-11-23
20092009-04-052009-11-18
20102010-02-232010-12-30
20112011-05-162011-12-10
20122012-05-062012-11-30
20132013-01-302013-11-04
20142014-01-072014-12-30
20152015-01-022015-12-06
20162016-01-262016-10-29
20172017-06-202017-10-08
20182018-01-242018-09-26
20192019-01-012019-11-29
20202020-02-162020-11-21
20212021-01-022021-12-14
20222022-02-142022-11-14
20232023-03-272023-11-10
20242024-02-162024-12-22
20252025-06-182025-09-20
20262026-02-212026-08-22

Every Fixed Threshold

Fixed thresholds at Kouvola Voikoski
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5022198114
25 mm (0.98 in): Days with 25 mm or more rain36520073
50 mm (1.97 in): Days with 50 mm or more rain4119771

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for Kouvola Voikoski 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 (2026-10-12).