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Built 2026-10-19 (19 October 2026)

Mustasaari Riimala Threshold Days by Year (FIE00144272)

4 fixed thresholds counted per year at Mustasaari Riimala (FIE00144272): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mustasaari Riimala Thresholds

  • Mustasaari Riimala: days with 10 mm (0.39 in) or more of precipitation in 54 years, most in 2020 with 24.
  • Mustasaari Riimala: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 2022 with 4.
  • Mustasaari Riimala: days with 50 mm (1.97 in) or more of precipitation in 4 years, most in 2014 with 1.
  • Mustasaari Riimala: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 2018 with 1.
  • 4 fixed thresholds have at least one qualifying day at Mustasaari Riimala.
54 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mustasaari Riimala Days per year at Mustasaari Riimala with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 2020. 01020301973: 141974: 171975: 111976: 91977: 121978: 101979: 211980: 201981: 231982: 61983: 161984: 91985: 111986: 131987: 81988: 101989: 111990: 141991: 101992: 121993: 171994: 101995: 121996: 151997: 111998: 151999: 122000: 152001: 162002: 112003: 42004: 142005: 122006: 152007: 192008: 132009: 122010: 102011: 152012: 142013: 152014: 132015: 192016: 192017: 142018: 132019: 142020: 242021: 202022: 162023: 202024: 152025: 142026: 4197319791985199119972003200920152021
Days per year at Mustasaari Riimala with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 2020.
Days with 10 mm (0.39 in) or more of precipitation per year at Mustasaari Riimala
YearDaysDecade average
19731413.4
19741713.4
19751113.4
1976913.4
19771213.4
19781013.4
19792113.4
19802012.7
19812312.7
1982612.7
19831612.7
1984912.7
19851112.7
19861312.7
1987812.7
19881012.7
19891112.7
19901412.8
19911012.8
19921212.8
19931712.8
19941012.8
19951212.8
19961512.8
19971112.8
19981512.8
19991212.8
20001513.1
20011613.1
20021113.1
2003413.1
20041413.1
20051213.1
20061513.1
20071913.1
20081313.1
20091213.1
20101014.6
20111514.6
20121414.6
20131514.6
20141314.6
20151914.6
20161914.6
20171414.6
20181314.6
20191414.6
20202416.1
20212016.1
20221616.1
20232016.1
20241516.1
20251416.1
2026416.1
First to last qualifying date each year at Mustasaari Riimala For each year, a bar from the first to the last day at Mustasaari Riimala meeting 10 mm (0.39 in). 1973: 22 March 1973 to 9 October 19731974: 16 January 1974 to 14 December 19741975: 12 January 1975 to 5 October 19751976: 26 June 1976 to 24 December 19761977: 17 March 1977 to 11 October 19771978: 29 March 1978 to 15 November 19781979: 29 April 1979 to 28 December 19791980: 15 February 1980 to 18 December 19801981: 15 January 1981 to 4 December 19811982: 7 April 1982 to 28 November 19821983: 5 January 1983 to 30 December 19831984: 26 January 1984 to 27 October 19841985: 2 April 1985 to 19 December 19851986: 23 March 1986 to 5 December 19861987: 13 February 1987 to 29 December 19871988: 11 January 1988 to 9 October 19881989: 15 February 1989 to 18 December 19891990: 19 February 1990 to 2 October 19901991: 2 May 1991 to 30 September 19911992: 13 February 1992 to 17 December 19921993: 5 March 1993 to 20 December 19931994: 4 June 1994 to 26 October 19941995: 23 January 1995 to 19 December 19951996: 5 May 1996 to 13 December 19961997: 3 April 1997 to 13 November 19971998: 7 February 1998 to 18 October 19981999: 24 January 1999 to 12 December 19992000: 3 March 2000 to 30 November 20002001: 20 February 2001 to 31 October 20012002: 3 May 2002 to 26 November 20022003: 14 May 2003 to 21 September 20032004: 18 May 2004 to 22 December 20042005: 8 January 2005 to 28 November 20052006: 30 March 2006 to 11 December 20062007: 9 January 2007 to 29 December 20072008: 12 January 2008 to 31 October 20082009: 4 May 2009 to 28 December 20092010: 12 June 2010 to 26 December 20102011: 12 January 2011 to 22 September 20112012: 12 January 2012 to 15 October 20122013: 13 April 2013 to 27 December 20132014: 7 March 2014 to 16 December 20142015: 2 January 2015 to 4 December 20152016: 26 April 2016 to 4 December 20162017: 28 February 2017 to 25 December 20172018: 21 June 2018 to 31 December 20182019: 3 February 2019 to 28 November 20192020: 9 February 2020 to 21 November 20202021: 21 January 2021 to 24 November 20212022: 7 April 2022 to 15 October 20222023: 18 February 2023 to 1 November 20232024: 22 January 2024 to 14 December 20242025: 29 January 2025 to 10 December 20252026: 13 June 2026 to 16 August 202619731980198719942001200820152022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mustasaari Riimala meeting 10 mm (0.39 in).
First to last qualifying date each year at Mustasaari Riimala
YearFirst dateLast date
19731973-03-221973-10-09
19741974-01-161974-12-14
19751975-01-121975-10-05
19761976-06-261976-12-24
19771977-03-171977-10-11
19781978-03-291978-11-15
19791979-04-291979-12-28
19801980-02-151980-12-18
19811981-01-151981-12-04
19821982-04-071982-11-28
19831983-01-051983-12-30
19841984-01-261984-10-27
19851985-04-021985-12-19
19861986-03-231986-12-05
19871987-02-131987-12-29
19881988-01-111988-10-09
19891989-02-151989-12-18
19901990-02-191990-10-02
19911991-05-021991-09-30
19921992-02-131992-12-17
19931993-03-051993-12-20
19941994-06-041994-10-26
19951995-01-231995-12-19
19961996-05-051996-12-13
19971997-04-031997-11-13
19981998-02-071998-10-18
19991999-01-241999-12-12
20002000-03-032000-11-30
20012001-02-202001-10-31
20022002-05-032002-11-26
20032003-05-142003-09-21
20042004-05-182004-12-22
20052005-01-082005-11-28
20062006-03-302006-12-11
20072007-01-092007-12-29
20082008-01-122008-10-31
20092009-05-042009-12-28
20102010-06-122010-12-26
20112011-01-122011-09-22
20122012-01-122012-10-15
20132013-04-132013-12-27
20142014-03-072014-12-16
20152015-01-022015-12-04
20162016-04-262016-12-04
20172017-02-282017-12-25
20182018-06-212018-12-31
20192019-02-032019-11-28
20202020-02-092020-11-21
20212021-01-212021-11-24
20222022-04-072022-10-15
20232023-02-182023-11-01
20242024-01-222024-12-14
20252025-01-292025-12-10
20262026-06-132026-08-16

Every Fixed Threshold

Fixed thresholds at Mustasaari Riimala
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain542420204
25 mm (0.98 in): Days with 25 mm or more rain35420221
50 mm (1.97 in): Days with 50 mm or more rain4120141
100 mm (3.94 in): Days with 100 mm or more rain1120181

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

  • Data for Mustasaari Riimala 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 (2026-10-15).