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Built 2026-10-19 (19 October 2026)

Lammi Jahkola Threshold Days by Year (FIE00142971)

3 fixed thresholds counted per year at Lammi Jahkola (FIE00142971): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lammi Jahkola Thresholds

  • Lammi Jahkola: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 2000 with 25.
  • Lammi Jahkola: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 1984 with 4.
  • Lammi Jahkola: days with 50 mm (1.97 in) or more of precipitation in 1 years, most in 1984 with 1.
  • 3 fixed thresholds have at least one qualifying day at Lammi Jahkola.
38 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Lammi Jahkola Days per year at Lammi Jahkola with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 2000. 01020301968: 71971: 41972: 91973: 131974: 171975: 101976: 71977: 171978: 151979: 181980: 141981: 191982: 91983: 91984: 191985: 151986: 131987: 141988: 171989: 141990: 141991: 91992: 191993: 161994: 141995: 121996: 171997: 121998: 211999: 122000: 252001: 192002: 172003: 152004: 222005: 152006: 192007: 141968197419781982198619901994199820022006
Days per year at Lammi Jahkola with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 2000.
Days with 10 mm (0.39 in) or more of precipitation per year at Lammi Jahkola
YearDaysDecade average
196877
1971412.2
1972912.2
19731312.2
19741712.2
19751012.2
1976712.2
19771712.2
19781512.2
19791812.2
19801414.3
19811914.3
1982914.3
1983914.3
19841914.3
19851514.3
19861314.3
19871414.3
19881714.3
19891414.3
19901414.6
1991914.6
19921914.6
19931614.6
19941414.6
19951214.6
19961714.6
19971214.6
19982114.6
19991214.6
20002518.3
20011918.3
20021718.3
20031518.3
20042218.3
20051518.3
20061918.3
20071418.3
First to last qualifying date each year at Lammi Jahkola For each year, a bar from the first to the last day at Lammi Jahkola meeting 10 mm (0.39 in). 1968: 8 April 1968 to 17 September 19681971: 12 August 1971 to 21 December 19711972: 17 April 1972 to 15 August 19721973: 5 February 1973 to 6 November 19731974: 21 March 1974 to 17 November 19741975: 31 May 1975 to 7 December 19751976: 19 June 1976 to 12 September 19761977: 22 February 1977 to 15 November 19771978: 4 March 1978 to 18 November 19781979: 12 January 1979 to 29 November 19791980: 18 May 1980 to 31 December 19801981: 12 June 1981 to 26 December 19811982: 9 April 1982 to 12 December 19821983: 13 January 1983 to 30 December 19831984: 7 February 1984 to 27 October 19841985: 1 May 1985 to 12 October 19851986: 3 June 1986 to 5 December 19861987: 8 June 1987 to 28 November 19871988: 4 May 1988 to 30 December 19881989: 31 May 1989 to 21 October 19891990: 7 February 1990 to 8 December 19901991: 10 January 1991 to 18 November 19911992: 2 April 1992 to 3 November 19921993: 7 April 1993 to 4 December 19931994: 23 March 1994 to 27 October 19941995: 23 January 1995 to 26 November 19951996: 28 March 1996 to 28 November 19961997: 7 January 1997 to 4 October 19971998: 31 March 1998 to 30 October 19981999: 24 January 1999 to 12 December 19992000: 3 March 2000 to 14 December 20002001: 6 February 2001 to 31 October 20012002: 24 January 2002 to 26 November 20022003: 3 May 2003 to 28 December 20032004: 31 January 2004 to 15 December 20042005: 30 January 2005 to 25 December 20052006: 20 April 2006 to 5 December 20062007: 2 February 2007 to 30 October 200719681975198019851990199520002005JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lammi Jahkola meeting 10 mm (0.39 in).
First to last qualifying date each year at Lammi Jahkola
YearFirst dateLast date
19681968-04-081968-09-17
19711971-08-121971-12-21
19721972-04-171972-08-15
19731973-02-051973-11-06
19741974-03-211974-11-17
19751975-05-311975-12-07
19761976-06-191976-09-12
19771977-02-221977-11-15
19781978-03-041978-11-18
19791979-01-121979-11-29
19801980-05-181980-12-31
19811981-06-121981-12-26
19821982-04-091982-12-12
19831983-01-131983-12-30
19841984-02-071984-10-27
19851985-05-011985-10-12
19861986-06-031986-12-05
19871987-06-081987-11-28
19881988-05-041988-12-30
19891989-05-311989-10-21
19901990-02-071990-12-08
19911991-01-101991-11-18
19921992-04-021992-11-03
19931993-04-071993-12-04
19941994-03-231994-10-27
19951995-01-231995-11-26
19961996-03-281996-11-28
19971997-01-071997-10-04
19981998-03-311998-10-30
19991999-01-241999-12-12
20002000-03-032000-12-14
20012001-02-062001-10-31
20022002-01-242002-11-26
20032003-05-032003-12-28
20042004-01-312004-12-15
20052005-01-302005-12-25
20062006-04-202006-12-05
20072007-02-022007-10-30

Every Fixed Threshold

Fixed thresholds at Lammi Jahkola
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3825200014
25 mm (0.98 in): Days with 25 mm or more rain27419841
50 mm (1.97 in): Days with 50 mm or more rain1119841

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Lammi Jahkola 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).