Built 2026-10-19 (19 October 2026)

Isojoki Vanhakyla Threshold Days by Year (FIE00143331)

3 fixed thresholds counted per year at Isojoki Vanhakyla (FIE00143331): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Isojoki Vanhakyla Thresholds

  • Isojoki Vanhakyla: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1974 with 25.
  • Isojoki Vanhakyla: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1975 with 4.
  • Isojoki Vanhakyla: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1967 with 1.
  • 3 fixed thresholds have at least one qualifying day at Isojoki Vanhakyla.
39 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Isojoki Vanhakyla Days per year at Isojoki Vanhakyla with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1974. 01020301965: 81966: 181967: 211968: 121969: 151970: 131971: 101972: 151973: 191974: 251975: 161976: 121977: 211978: 31979: 151980: 131981: 181982: 181983: 181984: 131985: 151986: 141987: 91988: 121989: 101990: 101991: 101992: 161993: 161994: 91995: 151996: 101997: 111998: 131999: 102000: 102001: 172002: 22003: 71965196919731977198119851989199319972001
Days per year at Isojoki Vanhakyla with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Isojoki Vanhakyla
YearDaysDecade average
1965814.8
19661814.8
19672114.8
19681214.8
19691514.8
19701314.9
19711014.9
19721514.9
19731914.9
19742514.9
19751614.9
19761214.9
19772114.9
1978314.9
19791514.9
19801314
19811814
19821814
19831814
19841314
19851514
19861414
1987914
19881214
19891014
19901012
19911012
19921612
19931612
1994912
19951512
19961012
19971112
19981312
19991012
2000109
2001179
200229
200379
First to last qualifying date each year at Isojoki Vanhakyla For each year, a bar from the first to the last day at Isojoki Vanhakyla meeting 10 mm (0.39 in). 1965: 21 May 1965 to 18 September 19651966: 19 March 1966 to 2 December 19661967: 21 March 1967 to 4 December 19671968: 20 March 1968 to 3 November 19681969: 29 January 1969 to 19 November 19691970: 1 March 1970 to 20 December 19701971: 7 January 1971 to 21 December 19711972: 1 June 1972 to 6 December 19721973: 5 March 1973 to 30 December 19731974: 15 January 1974 to 14 December 19741975: 17 January 1975 to 31 October 19751976: 20 January 1976 to 30 November 19761977: 30 January 1977 to 12 November 19771978: 29 March 1978 to 14 November 19781979: 29 April 1979 to 24 November 19791980: 2 June 1980 to 21 November 19801981: 25 May 1981 to 4 December 19811982: 7 April 1982 to 5 December 19821983: 5 January 1983 to 30 December 19831984: 19 June 1984 to 28 November 19841985: 2 April 1985 to 11 November 19851986: 23 April 1986 to 5 December 19861987: 24 January 1987 to 25 September 19871988: 17 April 1988 to 30 December 19881989: 28 March 1989 to 5 November 19891990: 21 February 1990 to 31 October 19901991: 20 May 1991 to 5 October 19911992: 13 February 1992 to 2 November 19921993: 2 June 1993 to 21 December 19931994: 4 June 1994 to 26 October 19941995: 23 January 1995 to 27 October 19951996: 25 May 1996 to 19 November 19961997: 14 June 1997 to 13 November 19971998: 31 March 1998 to 4 December 19981999: 23 June 1999 to 30 November 19992000: 25 May 2000 to 30 November 20002001: 6 February 2001 to 31 October 20012002: 4 May 2002 to 30 August 20022003: 1 May 2003 to 27 December 200319651970197519801985199019952000JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Isojoki Vanhakyla meeting 10 mm (0.39 in).
First to last qualifying date each year at Isojoki Vanhakyla
YearFirst dateLast date
19651965-05-211965-09-18
19661966-03-191966-12-02
19671967-03-211967-12-04
19681968-03-201968-11-03
19691969-01-291969-11-19
19701970-03-011970-12-20
19711971-01-071971-12-21
19721972-06-011972-12-06
19731973-03-051973-12-30
19741974-01-151974-12-14
19751975-01-171975-10-31
19761976-01-201976-11-30
19771977-01-301977-11-12
19781978-03-291978-11-14
19791979-04-291979-11-24
19801980-06-021980-11-21
19811981-05-251981-12-04
19821982-04-071982-12-05
19831983-01-051983-12-30
19841984-06-191984-11-28
19851985-04-021985-11-11
19861986-04-231986-12-05
19871987-01-241987-09-25
19881988-04-171988-12-30
19891989-03-281989-11-05
19901990-02-211990-10-31
19911991-05-201991-10-05
19921992-02-131992-11-02
19931993-06-021993-12-21
19941994-06-041994-10-26
19951995-01-231995-10-27
19961996-05-251996-11-19
19971997-06-141997-11-13
19981998-03-311998-12-04
19991999-06-231999-11-30
20002000-05-252000-11-30
20012001-02-062001-10-31
20022002-05-042002-08-30
20032003-05-012003-12-27

Every Fixed Threshold

Fixed thresholds at Isojoki Vanhakyla
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain392519747
25 mm (0.98 in): Days with 25 mm or more rain25419751
50 mm (1.97 in): Days with 50 mm or more rain2119671

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 Isojoki Vanhakyla 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).