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Built 2026-10-19 (19 October 2026)

Mantyharju Halmeniemi Threshold Days by Year (FIE00143201)

3 fixed thresholds counted per year at Mantyharju Halmeniemi (FIE00143201): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mantyharju Halmeniemi Thresholds

  • Mantyharju Halmeniemi: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 2005 with 23.
  • Mantyharju Halmeniemi: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1966 with 3.
  • Mantyharju Halmeniemi: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1966 with 1.
  • 3 fixed thresholds have at least one qualifying day at Mantyharju Halmeniemi.
43 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mantyharju Halmeniemi Days per year at Mantyharju Halmeniemi with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 23 in 2005. 01020301965: 131966: 111967: 41968: 51969: 111970: 101971: 61972: 111973: 121974: 141975: 71976: 41977: 151978: 81979: 161980: 121981: 171982: 111983: 121984: 151985: 191986: 81987: 131988: 131989: 71990: 101991: 151992: 81993: 131994: 141995: 111996: 61997: 131998: 131999: 142000: 152001: 122002: 122003: 142004: 142005: 232006: 122007: 21196519701975198019851990199520002005
Days per year at Mantyharju Halmeniemi with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 23 in 2005.
Days with 10 mm (0.39 in) or more of precipitation per year at Mantyharju Halmeniemi
YearDaysDecade average
1965138.8
1966118.8
196748.8
196858.8
1969118.8
19701010.3
1971610.3
19721110.3
19731210.3
19741410.3
1975710.3
1976410.3
19771510.3
1978810.3
19791610.3
19801212.7
19811712.7
19821112.7
19831212.7
19841512.7
19851912.7
1986812.7
19871312.7
19881312.7
1989712.7
19901011.7
19911511.7
1992811.7
19931311.7
19941411.7
19951111.7
1996611.7
19971311.7
19981311.7
19991411.7
20001515.4
20011215.4
20021215.4
20031415.4
20041415.4
20052315.4
20061215.4
20072115.4
First to last qualifying date each year at Mantyharju Halmeniemi For each year, a bar from the first to the last day at Mantyharju Halmeniemi meeting 10 mm (0.39 in). 1965: 16 June 1965 to 6 October 19651966: 30 January 1966 to 8 October 19661967: 5 June 1967 to 17 October 19671968: 9 April 1968 to 7 September 19681969: 15 May 1969 to 28 September 19691970: 2 April 1970 to 31 December 19701971: 4 June 1971 to 8 December 19711972: 17 April 1972 to 15 October 19721973: 7 March 1973 to 9 October 19731974: 11 February 1974 to 10 October 19741975: 24 January 1975 to 28 September 19751976: 18 June 1976 to 31 August 19761977: 16 February 1977 to 22 November 19771978: 15 April 1978 to 15 September 19781979: 7 January 1979 to 26 November 19791980: 26 May 1980 to 22 November 19801981: 9 March 1981 to 24 December 19811982: 18 May 1982 to 18 November 19821983: 23 March 1983 to 30 December 19831984: 4 May 1984 to 27 October 19841985: 2 April 1985 to 26 December 19851986: 6 June 1986 to 6 December 19861987: 17 May 1987 to 26 November 19871988: 1 January 1988 to 8 December 19881989: 8 January 1989 to 2 September 19891990: 24 January 1990 to 17 November 19901991: 10 January 1991 to 23 December 19911992: 12 March 1992 to 6 November 19921993: 15 January 1993 to 19 December 19931994: 24 March 1994 to 11 December 19941995: 8 January 1995 to 17 November 19951996: 17 April 1996 to 9 July 19961997: 14 April 1997 to 25 November 19971998: 10 January 1998 to 28 August 19981999: 4 February 1999 to 17 December 19992000: 29 January 2000 to 30 November 20002001: 4 June 2001 to 6 November 20012002: 22 January 2002 to 26 November 20022003: 13 April 2003 to 21 December 20032004: 31 January 2004 to 22 December 20042005: 7 January 2005 to 24 December 20052006: 22 June 2006 to 5 December 20062007: 2 February 2007 to 30 October 200719651971197719831989199520012007JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mantyharju Halmeniemi meeting 10 mm (0.39 in).
First to last qualifying date each year at Mantyharju Halmeniemi
YearFirst dateLast date
19651965-06-161965-10-06
19661966-01-301966-10-08
19671967-06-051967-10-17
19681968-04-091968-09-07
19691969-05-151969-09-28
19701970-04-021970-12-31
19711971-06-041971-12-08
19721972-04-171972-10-15
19731973-03-071973-10-09
19741974-02-111974-10-10
19751975-01-241975-09-28
19761976-06-181976-08-31
19771977-02-161977-11-22
19781978-04-151978-09-15
19791979-01-071979-11-26
19801980-05-261980-11-22
19811981-03-091981-12-24
19821982-05-181982-11-18
19831983-03-231983-12-30
19841984-05-041984-10-27
19851985-04-021985-12-26
19861986-06-061986-12-06
19871987-05-171987-11-26
19881988-01-011988-12-08
19891989-01-081989-09-02
19901990-01-241990-11-17
19911991-01-101991-12-23
19921992-03-121992-11-06
19931993-01-151993-12-19
19941994-03-241994-12-11
19951995-01-081995-11-17
19961996-04-171996-07-09
19971997-04-141997-11-25
19981998-01-101998-08-28
19991999-02-041999-12-17
20002000-01-292000-11-30
20012001-06-042001-11-06
20022002-01-222002-11-26
20032003-04-132003-12-21
20042004-01-312004-12-22
20052005-01-072005-12-24
20062006-06-222006-12-05
20072007-02-022007-10-30

Every Fixed Threshold

Fixed thresholds at Mantyharju Halmeniemi
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4323200521
25 mm (0.98 in): Days with 25 mm or more rain28319662
50 mm (1.97 in): Days with 50 mm or more rain3119661

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 Mantyharju Halmeniemi 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).