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Built 2026-10-18 (18 October 2026)

Ruokolahti Valkjarvi Threshold Days by Year

3 fixed thresholds counted per year at Ruokolahti Valkjarvi (FIE00143261): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ruokolahti Valkjarvi Thresholds

  • Ruokolahti Valkjarvi: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1983 with 24.
  • Ruokolahti Valkjarvi: days with 25 mm (0.98 in) or more of precipitation in 18 years, most in 1988 with 4.
  • Ruokolahti Valkjarvi: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1986 with 1.
  • 3 fixed thresholds have at least one qualifying day at Ruokolahti Valkjarvi.
29 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Ruokolahti Valkjarvi Days per year at Ruokolahti Valkjarvi with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1983. 01020301966: 141967: 111968: 111969: 131970: 161971: 81972: 101973: 111974: 181975: 121976: 81977: 161978: 81979: 191980: 161981: 171982: 141983: 241984: 151985: 201986: 131987: 171988: 161989: 101990: 171991: 131992: 81993: 121994: 191966196919721975197819811984198719901993
Days per year at Ruokolahti Valkjarvi with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1983.
Days with 10 mm (0.39 in) or more of precipitation per year at Ruokolahti Valkjarvi
YearDaysDecade average
19661412.3
19671112.3
19681112.3
19691312.3
19701612.6
1971812.6
19721012.6
19731112.6
19741812.6
19751212.6
1976812.6
19771612.6
1978812.6
19791912.6
19801616.2
19811716.2
19821416.2
19832416.2
19841516.2
19852016.2
19861316.2
19871716.2
19881616.2
19891016.2
19901713.8
19911313.8
1992813.8
19931213.8
19941913.8
First to last qualifying date each year at Ruokolahti Valkjarvi For each year, a bar from the first to the last day at Ruokolahti Valkjarvi meeting 10 mm (0.39 in). 1966: 30 January 1966 to 4 October 19661967: 6 March 1967 to 1 December 19671968: 24 April 1968 to 22 November 19681969: 15 May 1969 to 23 November 19691970: 2 April 1970 to 31 December 19701971: 22 March 1971 to 20 October 19711972: 8 February 1972 to 10 November 19721973: 7 March 1973 to 8 November 19731974: 21 March 1974 to 22 December 19741975: 29 March 1975 to 30 December 19751976: 23 March 1976 to 8 October 19761977: 6 January 1977 to 19 November 19771978: 15 April 1978 to 24 October 19781979: 7 January 1979 to 28 November 19791980: 25 May 1980 to 13 December 19801981: 9 March 1981 to 24 December 19811982: 18 May 1982 to 20 December 19821983: 13 January 1983 to 30 December 19831984: 1 January 1984 to 30 October 19841985: 2 April 1985 to 26 December 19851986: 25 May 1986 to 10 December 19861987: 23 April 1987 to 29 December 19871988: 1 January 1988 to 13 December 19881989: 14 January 1989 to 26 November 19891990: 17 January 1990 to 8 December 19901991: 10 January 1991 to 23 December 19911992: 13 March 1992 to 31 October 19921993: 23 May 1993 to 19 December 19931994: 13 January 1994 to 30 December 199419661970197419781982198619901994JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ruokolahti Valkjarvi meeting 10 mm (0.39 in).
First to last qualifying date each year at Ruokolahti Valkjarvi
YearFirst dateLast date
19661966-01-301966-10-04
19671967-03-061967-12-01
19681968-04-241968-11-22
19691969-05-151969-11-23
19701970-04-021970-12-31
19711971-03-221971-10-20
19721972-02-081972-11-10
19731973-03-071973-11-08
19741974-03-211974-12-22
19751975-03-291975-12-30
19761976-03-231976-10-08
19771977-01-061977-11-19
19781978-04-151978-10-24
19791979-01-071979-11-28
19801980-05-251980-12-13
19811981-03-091981-12-24
19821982-05-181982-12-20
19831983-01-131983-12-30
19841984-01-011984-10-30
19851985-04-021985-12-26
19861986-05-251986-12-10
19871987-04-231987-12-29
19881988-01-011988-12-13
19891989-01-141989-11-26
19901990-01-171990-12-08
19911991-01-101991-12-23
19921992-03-131992-10-31
19931993-05-231993-12-19
19941994-01-131994-12-30

Every Fixed Threshold

Fixed thresholds at Ruokolahti Valkjarvi
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2924198319
25 mm (0.98 in): Days with 25 mm or more rain18419881
50 mm (1.97 in): Days with 50 mm or more rain3119861

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

  • Data for Ruokolahti Valkjarvi 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).