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Built 2026-10-19 (19 October 2026)

Somero Suojoki Threshold Days by Year (FIE00142651)

3 fixed thresholds counted per year at Somero Suojoki (FIE00142651): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Somero Suojoki Thresholds

  • Somero Suojoki: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1981 with 25.
  • Somero Suojoki: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1987 with 4.
  • Somero Suojoki: days with 50 mm (1.97 in) or more of precipitation in 1 years, most in 1978 with 1.
  • 3 fixed thresholds have at least one qualifying day at Somero Suojoki.
39 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Somero Suojoki Days per year at Somero Suojoki with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1981. 01020301969: 141970: 141971: 121972: 191973: 121974: 171975: 61976: 91977: 121978: 191979: 161980: 201981: 251982: 151983: 161984: 191985: 121986: 211987: 141988: 141989: 161990: 201991: 181992: 181993: 171994: 181995: 191996: 161997: 171998: 161999: 162000: 232001: 192002: 202003: 132004: 232005: 172006: 172007: 191969197319771981198519891993199720012005
Days per year at Somero Suojoki with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1981.
Days with 10 mm (0.39 in) or more of precipitation per year at Somero Suojoki
YearDaysDecade average
19691414
19701413.6
19711213.6
19721913.6
19731213.6
19741713.6
1975613.6
1976913.6
19771213.6
19781913.6
19791613.6
19802017.2
19812517.2
19821517.2
19831617.2
19841917.2
19851217.2
19862117.2
19871417.2
19881417.2
19891617.2
19902017.5
19911817.5
19921817.5
19931717.5
19941817.5
19951917.5
19961617.5
19971717.5
19981617.5
19991617.5
20002318.9
20011918.9
20022018.9
20031318.9
20042318.9
20051718.9
20061718.9
20071918.9
First to last qualifying date each year at Somero Suojoki For each year, a bar from the first to the last day at Somero Suojoki meeting 10 mm (0.39 in). 1969: 13 April 1969 to 23 November 19691970: 6 March 1970 to 20 December 19701971: 7 January 1971 to 21 December 19711972: 11 February 1972 to 6 December 19721973: 5 February 1973 to 12 September 19731974: 15 January 1974 to 22 December 19741975: 23 May 1975 to 29 November 19751976: 6 April 1976 to 1 December 19761977: 27 January 1977 to 21 November 19771978: 13 May 1978 to 14 November 19781979: 30 April 1979 to 17 December 19791980: 10 June 1980 to 31 December 19801981: 13 March 1981 to 24 November 19811982: 9 April 1982 to 15 December 19821983: 13 January 1983 to 30 December 19831984: 3 January 1984 to 21 December 19841985: 2 April 1985 to 21 December 19851986: 21 April 1986 to 5 December 19861987: 12 May 1987 to 15 December 19871988: 4 May 1988 to 30 December 19881989: 15 January 1989 to 21 November 19891990: 23 January 1990 to 29 December 19901991: 6 January 1991 to 23 December 19911992: 16 January 1992 to 2 November 19921993: 15 January 1993 to 19 December 19931994: 13 January 1994 to 20 November 19941995: 23 January 1995 to 17 November 19951996: 15 February 1996 to 23 November 19961997: 9 February 1997 to 26 December 19971998: 5 January 1998 to 28 October 19981999: 4 February 1999 to 17 December 19992000: 29 January 2000 to 13 December 20002001: 6 February 2001 to 8 November 20012002: 24 January 2002 to 26 November 20022003: 1 May 2003 to 27 December 20032004: 31 January 2004 to 30 December 20042005: 8 January 2005 to 14 November 20052006: 9 April 2006 to 11 December 20062007: 9 January 2007 to 7 December 200719691974197919841989199419992004JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Somero Suojoki meeting 10 mm (0.39 in).
First to last qualifying date each year at Somero Suojoki
YearFirst dateLast date
19691969-04-131969-11-23
19701970-03-061970-12-20
19711971-01-071971-12-21
19721972-02-111972-12-06
19731973-02-051973-09-12
19741974-01-151974-12-22
19751975-05-231975-11-29
19761976-04-061976-12-01
19771977-01-271977-11-21
19781978-05-131978-11-14
19791979-04-301979-12-17
19801980-06-101980-12-31
19811981-03-131981-11-24
19821982-04-091982-12-15
19831983-01-131983-12-30
19841984-01-031984-12-21
19851985-04-021985-12-21
19861986-04-211986-12-05
19871987-05-121987-12-15
19881988-05-041988-12-30
19891989-01-151989-11-21
19901990-01-231990-12-29
19911991-01-061991-12-23
19921992-01-161992-11-02
19931993-01-151993-12-19
19941994-01-131994-11-20
19951995-01-231995-11-17
19961996-02-151996-11-23
19971997-02-091997-12-26
19981998-01-051998-10-28
19991999-02-041999-12-17
20002000-01-292000-12-13
20012001-02-062001-11-08
20022002-01-242002-11-26
20032003-05-012003-12-27
20042004-01-312004-12-30
20052005-01-082005-11-14
20062006-04-092006-12-11
20072007-01-092007-12-07

Every Fixed Threshold

Fixed thresholds at Somero Suojoki
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3925198119
25 mm (0.98 in): Days with 25 mm or more rain32419873
50 mm (1.97 in): Days with 50 mm or more rain1119781

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

  • Data for Somero Suojoki 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).