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Built 2026-10-19 (19 October 2026)

Lavia Riiho Threshold Days by Year (FIE00143396)

3 fixed thresholds counted per year at Lavia Riiho (FIE00143396): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lavia Riiho Thresholds

  • Lavia Riiho: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1988 with 27.
  • Lavia Riiho: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1985 with 4.
  • Lavia Riiho: days with 50 mm (1.97 in) or more of precipitation in 1 years, most in 1967 with 1.
  • 3 fixed thresholds have at least one qualifying day at Lavia Riiho.
44 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Lavia Riiho Days per year at Lavia Riiho with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 1988. 01020301965: 101966: 111967: 131968: 101969: 131970: 101971: 101972: 131973: 131974: 191975: 121976: 81977: 171978: 101979: 151980: 161981: 191982: 101983: 161984: 171985: 221986: 151987: 141988: 271989: 111990: 181991: 141992: 201993: 161994: 151995: 121996: 151997: 102000: 232001: 132002: 162004: 112006: 202007: 152008: 192009: 62010: 112011: 122012: 16196519701975198019851990199520022009
Days per year at Lavia Riiho with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 1988.
Days with 10 mm (0.39 in) or more of precipitation per year at Lavia Riiho
YearDaysDecade average
19651011.4
19661111.4
19671311.4
19681011.4
19691311.4
19701012.7
19711012.7
19721312.7
19731312.7
19741912.7
19751212.7
1976812.7
19771712.7
19781012.7
19791512.7
19801616.7
19811916.7
19821016.7
19831616.7
19841716.7
19852216.7
19861516.7
19871416.7
19882716.7
19891116.7
19901815
19911415
19922015
19931615
19941515
19951215
19961515
19971015
20002315.4
20011315.4
20021615.4
20041115.4
20062015.4
20071515.4
20081915.4
2009615.4
20101113
20111213
20121613
First to last qualifying date each year at Lavia Riiho For each year, a bar from the first to the last day at Lavia Riiho meeting 10 mm (0.39 in). 1965: 19 June 1965 to 10 December 19651966: 30 January 1966 to 21 November 19661967: 20 April 1967 to 21 October 19671968: 23 April 1968 to 1 November 19681969: 10 April 1969 to 23 November 19691970: 19 April 1970 to 20 December 19701971: 9 April 1971 to 21 December 19711972: 8 February 1972 to 1 November 19721973: 30 April 1973 to 30 December 19731974: 15 January 1974 to 22 December 19741975: 17 January 1975 to 31 October 19751976: 3 June 1976 to 7 October 19761977: 6 April 1977 to 12 November 19771978: 6 March 1978 to 14 November 19781979: 8 January 1979 to 16 December 19791980: 24 April 1980 to 15 December 19801981: 10 March 1981 to 3 December 19811982: 3 March 1982 to 24 November 19821983: 5 January 1983 to 30 December 19831984: 31 March 1984 to 21 December 19841985: 21 January 1985 to 18 December 19851986: 21 April 1986 to 26 November 19861987: 24 January 1987 to 25 September 19871988: 19 January 1988 to 23 December 19881989: 4 February 1989 to 12 December 19891990: 13 January 1990 to 31 October 19901991: 4 January 1991 to 20 December 19911992: 3 February 1992 to 11 December 19921993: 15 April 1993 to 8 December 19931994: 25 March 1994 to 14 November 19941995: 23 January 1995 to 24 November 19951996: 8 February 1996 to 6 December 19961997: 9 May 1997 to 5 September 19972000: 2 January 2000 to 18 November 20002001: 28 January 2001 to 21 November 20012002: 7 January 2002 to 19 December 20022004: 31 January 2004 to 15 December 20042006: 22 May 2006 to 11 December 20062007: 10 January 2007 to 29 December 20072008: 10 June 2008 to 14 November 20082009: 4 June 2009 to 6 October 20092010: 23 May 2010 to 9 November 20102011: 7 April 2011 to 27 November 20112012: 13 April 2012 to 26 December 201219651971197719831989199520042011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lavia Riiho meeting 10 mm (0.39 in).
First to last qualifying date each year at Lavia Riiho
YearFirst dateLast date
19651965-06-191965-12-10
19661966-01-301966-11-21
19671967-04-201967-10-21
19681968-04-231968-11-01
19691969-04-101969-11-23
19701970-04-191970-12-20
19711971-04-091971-12-21
19721972-02-081972-11-01
19731973-04-301973-12-30
19741974-01-151974-12-22
19751975-01-171975-10-31
19761976-06-031976-10-07
19771977-04-061977-11-12
19781978-03-061978-11-14
19791979-01-081979-12-16
19801980-04-241980-12-15
19811981-03-101981-12-03
19821982-03-031982-11-24
19831983-01-051983-12-30
19841984-03-311984-12-21
19851985-01-211985-12-18
19861986-04-211986-11-26
19871987-01-241987-09-25
19881988-01-191988-12-23
19891989-02-041989-12-12
19901990-01-131990-10-31
19911991-01-041991-12-20
19921992-02-031992-12-11
19931993-04-151993-12-08
19941994-03-251994-11-14
19951995-01-231995-11-24
19961996-02-081996-12-06
19971997-05-091997-09-05
20002000-01-022000-11-18
20012001-01-282001-11-21
20022002-01-072002-12-19
20042004-01-312004-12-15
20062006-05-222006-12-11
20072007-01-102007-12-29
20082008-06-102008-11-14
20092009-06-042009-10-06
20102010-05-232010-11-09
20112011-04-072011-11-27
20122012-04-132012-12-26

Every Fixed Threshold

Fixed thresholds at Lavia Riiho
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4427198816
25 mm (0.98 in): Days with 25 mm or more rain30419852
50 mm (1.97 in): Days with 50 mm or more rain1119671

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 Lavia Riiho 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).