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Built 2026-10-19 (19 October 2026)

Viitasaari Huopana Threshold Days by Year (FIE00144587)

3 fixed thresholds counted per year at Viitasaari Huopana (FIE00144587): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Viitasaari Huopana Thresholds

  • Viitasaari Huopana: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 1968 with 17.
  • Viitasaari Huopana: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1988 with 3.
  • Viitasaari Huopana: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1980 with 1.
  • 3 fixed thresholds have at least one qualifying day at Viitasaari Huopana.
43 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Viitasaari Huopana Days per year at Viitasaari Huopana with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1968. 051015201965: 131966: 111967: 111968: 171969: 81970: 101971: 81972: 81973: 91974: 141975: 101976: 121977: 131978: 81979: 111980: 161981: 161982: 121983: 171984: 111985: 151986: 161987: 111988: 151989: 161990: 141991: 161992: 121993: 81994: 161995: 91996: 121997: 91998: 121999: 82000: 102001: 132002: 152003: 152004: 152005: 152006: 92007: 15196519701975198019851990199520002005
Days per year at Viitasaari Huopana with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1968.
Days with 10 mm (0.39 in) or more of precipitation per year at Viitasaari Huopana
YearDaysDecade average
19651312
19661112
19671112
19681712
1969812
19701010.3
1971810.3
1972810.3
1973910.3
19741410.3
19751010.3
19761210.3
19771310.3
1978810.3
19791110.3
19801614.5
19811614.5
19821214.5
19831714.5
19841114.5
19851514.5
19861614.5
19871114.5
19881514.5
19891614.5
19901411.6
19911611.6
19921211.6
1993811.6
19941611.6
1995911.6
19961211.6
1997911.6
19981211.6
1999811.6
20001013.4
20011313.4
20021513.4
20031513.4
20041513.4
20051513.4
2006913.4
20071513.4
First to last qualifying date each year at Viitasaari Huopana For each year, a bar from the first to the last day at Viitasaari Huopana meeting 10 mm (0.39 in). 1965: 17 May 1965 to 28 November 19651966: 30 January 1966 to 10 November 19661967: 21 March 1967 to 15 December 19671968: 23 January 1968 to 31 December 19681969: 10 April 1969 to 13 November 19691970: 4 July 1970 to 20 December 19701971: 22 July 1971 to 26 December 19711972: 8 February 1972 to 24 October 19721973: 19 April 1973 to 14 November 19731974: 21 March 1974 to 16 November 19741975: 5 January 1975 to 28 September 19751976: 2 June 1976 to 15 September 19761977: 16 April 1977 to 8 November 19771978: 23 June 1978 to 12 December 19781979: 7 May 1979 to 11 October 19791980: 18 May 1980 to 13 October 19801981: 9 March 1981 to 24 November 19811982: 7 April 1982 to 6 December 19821983: 28 January 1983 to 30 December 19831984: 1 April 1984 to 27 October 19841985: 2 April 1985 to 21 December 19851986: 16 May 1986 to 5 December 19861987: 4 June 1987 to 25 September 19871988: 17 April 1988 to 14 December 19881989: 10 March 1989 to 21 October 19891990: 17 January 1990 to 4 October 19901991: 2 June 1991 to 22 December 19911992: 2 July 1992 to 6 November 19921993: 29 May 1993 to 13 October 19931994: 8 March 1994 to 27 October 19941995: 23 January 1995 to 26 August 19951996: 3 May 1996 to 12 December 19961997: 3 April 1997 to 17 September 19971998: 29 January 1998 to 18 October 19981999: 4 February 1999 to 13 December 19992000: 26 May 2000 to 30 November 20002001: 6 February 2001 to 18 December 20012002: 25 January 2002 to 19 November 20022003: 30 March 2003 to 29 December 20032004: 31 January 2004 to 7 December 20042005: 8 January 2005 to 31 December 20052006: 28 March 2006 to 5 December 20062007: 9 January 2007 to 30 October 200719651971197719831989199520012007JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Viitasaari Huopana meeting 10 mm (0.39 in).
First to last qualifying date each year at Viitasaari Huopana
YearFirst dateLast date
19651965-05-171965-11-28
19661966-01-301966-11-10
19671967-03-211967-12-15
19681968-01-231968-12-31
19691969-04-101969-11-13
19701970-07-041970-12-20
19711971-07-221971-12-26
19721972-02-081972-10-24
19731973-04-191973-11-14
19741974-03-211974-11-16
19751975-01-051975-09-28
19761976-06-021976-09-15
19771977-04-161977-11-08
19781978-06-231978-12-12
19791979-05-071979-10-11
19801980-05-181980-10-13
19811981-03-091981-11-24
19821982-04-071982-12-06
19831983-01-281983-12-30
19841984-04-011984-10-27
19851985-04-021985-12-21
19861986-05-161986-12-05
19871987-06-041987-09-25
19881988-04-171988-12-14
19891989-03-101989-10-21
19901990-01-171990-10-04
19911991-06-021991-12-22
19921992-07-021992-11-06
19931993-05-291993-10-13
19941994-03-081994-10-27
19951995-01-231995-08-26
19961996-05-031996-12-12
19971997-04-031997-09-17
19981998-01-291998-10-18
19991999-02-041999-12-13
20002000-05-262000-11-30
20012001-02-062001-12-18
20022002-01-252002-11-19
20032003-03-302003-12-29
20042004-01-312004-12-07
20052005-01-082005-12-31
20062006-03-282006-12-05
20072007-01-092007-10-30

Every Fixed Threshold

Fixed thresholds at Viitasaari Huopana
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4317196815
25 mm (0.98 in): Days with 25 mm or more rain28319882
50 mm (1.97 in): Days with 50 mm or more rain3119801

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1965.

Download the Data

  • Data for Viitasaari Huopana 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 (2025-12-31).