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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Koylio Yttila Threshold Days by Year (FIE00142571)

3 fixed thresholds counted per year at Koylio Yttila (FIE00142571): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Koylio Yttila Thresholds

  • Koylio Yttila: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1989 with 22.
  • Koylio Yttila: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1997 with 4.
  • Koylio Yttila: days with 50 mm (1.97 in) or more of precipitation in 4 years, most in 1988 with 1.
  • 3 fixed thresholds have at least one qualifying day at Koylio Yttila.
52 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Koylio Yttila Days per year at Koylio Yttila with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 22 in 1989. 01020301965: 51967: 111968: 91969: 101970: 91971: 51972: 151973: 131974: 181975: 101977: 121978: 101979: 161980: 161981: 131982: 121983: 171984: 91985: 131986: 191987: 131988: 171989: 221990: 151991: 141992: 161993: 141994: 121995: 131996: 121997: 181998: 181999: 162000: 112001: 152002: 142003: 172004: 102005: 142006: 172007: 152008: 182009: 82010: 172011: 152012: 182013: 82014: 112015: 142016: 132017: 162018: 13196519721979198519911997200320092015
Days per year at Koylio Yttila with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 22 in 1989.
Days with 10 mm (0.39 in) or more of precipitation per year at Koylio Yttila
YearDaysDecade average
196558.8
1967118.8
196898.8
1969108.8
1970912
1971512
19721512
19731312
19741812
19751012
19771212
19781012
19791612
19801615.1
19811315.1
19821215.1
19831715.1
1984915.1
19851315.1
19861915.1
19871315.1
19881715.1
19892215.1
19901514.8
19911414.8
19921614.8
19931414.8
19941214.8
19951314.8
19961214.8
19971814.8
19981814.8
19991614.8
20001113.9
20011513.9
20021413.9
20031713.9
20041013.9
20051413.9
20061713.9
20071513.9
20081813.9
2009813.9
20101713.9
20111513.9
20121813.9
2013813.9
20141113.9
20151413.9
20161313.9
20171613.9
20181313.9
First to last qualifying date each year at Koylio Yttila For each year, a bar from the first to the last day at Koylio Yttila meeting 10 mm (0.39 in). 1965: 13 June 1965 to 31 October 19651967: 4 May 1967 to 23 October 19671968: 23 April 1968 to 2 November 19681969: 15 May 1969 to 23 November 19691970: 1 January 1970 to 20 December 19701971: 7 January 1971 to 7 December 19711972: 17 April 1972 to 1 November 19721973: 5 March 1973 to 30 December 19731974: 7 February 1974 to 22 December 19741975: 17 January 1975 to 30 October 19751977: 12 April 1977 to 1 October 19771978: 23 April 1978 to 19 November 19781979: 7 January 1979 to 29 November 19791980: 2 June 1980 to 31 December 19801981: 6 February 1981 to 19 November 19811982: 12 February 1982 to 15 December 19821983: 5 January 1983 to 30 December 19831984: 27 June 1984 to 21 December 19841985: 21 January 1985 to 21 December 19851986: 23 April 1986 to 5 December 19861987: 15 May 1987 to 25 September 19871988: 17 April 1988 to 30 December 19881989: 14 January 1989 to 12 December 19891990: 19 February 1990 to 20 December 19901991: 10 January 1991 to 15 November 19911992: 16 January 1992 to 4 December 19921993: 19 February 1993 to 19 December 19931994: 8 March 1994 to 25 October 19941995: 23 January 1995 to 19 October 19951996: 15 February 1996 to 6 December 19961997: 9 February 1997 to 29 December 19971998: 19 January 1998 to 17 October 19981999: 19 January 1999 to 17 December 19992000: 16 February 2000 to 5 November 20002001: 6 February 2001 to 22 November 20012002: 22 January 2002 to 20 November 20022003: 11 January 2003 to 28 December 20032004: 24 June 2004 to 30 December 20042005: 21 January 2005 to 28 November 20052006: 3 April 2006 to 11 December 20062007: 9 January 2007 to 29 December 20072008: 2 February 2008 to 23 November 20082009: 3 June 2009 to 29 September 20092010: 16 May 2010 to 26 December 20102011: 7 April 2011 to 27 November 20112012: 4 January 2012 to 30 November 20122013: 18 April 2013 to 21 November 20132014: 19 May 2014 to 26 September 20142015: 2 January 2015 to 6 December 20152016: 24 April 2016 to 18 November 20162017: 29 April 2017 to 12 December 20172018: 5 January 2018 to 23 October 201819651973198119881995200220092016JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Koylio Yttila meeting 10 mm (0.39 in).
First to last qualifying date each year at Koylio Yttila
YearFirst dateLast date
19651965-06-131965-10-31
19671967-05-041967-10-23
19681968-04-231968-11-02
19691969-05-151969-11-23
19701970-01-011970-12-20
19711971-01-071971-12-07
19721972-04-171972-11-01
19731973-03-051973-12-30
19741974-02-071974-12-22
19751975-01-171975-10-30
19771977-04-121977-10-01
19781978-04-231978-11-19
19791979-01-071979-11-29
19801980-06-021980-12-31
19811981-02-061981-11-19
19821982-02-121982-12-15
19831983-01-051983-12-30
19841984-06-271984-12-21
19851985-01-211985-12-21
19861986-04-231986-12-05
19871987-05-151987-09-25
19881988-04-171988-12-30
19891989-01-141989-12-12
19901990-02-191990-12-20
19911991-01-101991-11-15
19921992-01-161992-12-04
19931993-02-191993-12-19
19941994-03-081994-10-25
19951995-01-231995-10-19
19961996-02-151996-12-06
19971997-02-091997-12-29
19981998-01-191998-10-17
19991999-01-191999-12-17
20002000-02-162000-11-05
20012001-02-062001-11-22
20022002-01-222002-11-20
20032003-01-112003-12-28
20042004-06-242004-12-30
20052005-01-212005-11-28
20062006-04-032006-12-11
20072007-01-092007-12-29
20082008-02-022008-11-23
20092009-06-032009-09-29
20102010-05-162010-12-26
20112011-04-072011-11-27
20122012-01-042012-11-30
20132013-04-182013-11-21
20142014-05-192014-09-26
20152015-01-022015-12-06
20162016-04-242016-11-18
20172017-04-292017-12-12
20182018-01-052018-10-23

Every Fixed Threshold

Fixed thresholds at Koylio Yttila
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5222198913
25 mm (0.98 in): Days with 25 mm or more rain39419971
50 mm (1.97 in): Days with 50 mm or more rain4119881

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 Koylio Yttila 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).