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Built 2026-10-19 (19 October 2026)

Mustasaari Sulva Langmossen Threshold Days by Year (FIE00144257)

3 fixed thresholds counted per year at Mustasaari Sulva Langmossen (FIE00144257): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mustasaari Sulva Langmossen Thresholds

  • Mustasaari Sulva Langmossen: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 2001 with 21.
  • Mustasaari Sulva Langmossen: days with 25 mm (0.98 in) or more of precipitation in 22 years, most in 1967 with 3.
  • Mustasaari Sulva Langmossen: 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 Mustasaari Sulva Langmossen.
36 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mustasaari Sulva Langmossen Days per year at Mustasaari Sulva Langmossen with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 2001. 01020301966: 121967: 131968: 101969: 81970: 101971: 101972: 111973: 161974: 171975: 91976: 51977: 111978: 51979: 141980: 121981: 171982: 61983: 151984: 91985: 111986: 131987: 81988: 141989: 101990: 131991: 101992: 121993: 181994: 111995: 141996: 171997: 141998: 191999: 102000: 152001: 21196619701974197819821986199019941998
Days per year at Mustasaari Sulva Langmossen with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 2001.
Days with 10 mm (0.39 in) or more of precipitation per year at Mustasaari Sulva Langmossen
YearDaysDecade average
19661210.8
19671310.8
19681010.8
1969810.8
19701010.8
19711010.8
19721110.8
19731610.8
19741710.8
1975910.8
1976510.8
19771110.8
1978510.8
19791410.8
19801211.5
19811711.5
1982611.5
19831511.5
1984911.5
19851111.5
19861311.5
1987811.5
19881411.5
19891011.5
19901313.8
19911013.8
19921213.8
19931813.8
19941113.8
19951413.8
19961713.8
19971413.8
19981913.8
19991013.8
20001518
20012118
First to last qualifying date each year at Mustasaari Sulva Langmossen For each year, a bar from the first to the last day at Mustasaari Sulva Langmossen meeting 10 mm (0.39 in). 1966: 24 March 1966 to 2 December 19661967: 12 May 1967 to 15 December 19671968: 23 April 1968 to 3 November 19681969: 15 May 1969 to 6 November 19691970: 22 May 1970 to 12 November 19701971: 31 January 1971 to 6 October 19711972: 14 February 1972 to 7 December 19721973: 22 March 1973 to 13 November 19731974: 30 January 1974 to 12 December 19741975: 2 April 1975 to 5 October 19751976: 26 June 1976 to 12 November 19761977: 30 January 1977 to 11 October 19771978: 6 March 1978 to 14 November 19781979: 29 April 1979 to 28 December 19791980: 25 June 1980 to 4 December 19801981: 13 April 1981 to 4 December 19811982: 7 April 1982 to 28 November 19821983: 5 January 1983 to 30 December 19831984: 3 January 1984 to 27 October 19841985: 2 April 1985 to 12 October 19851986: 23 March 1986 to 5 December 19861987: 13 February 1987 to 26 September 19871988: 3 January 1988 to 9 October 19881989: 28 March 1989 to 18 December 19891990: 21 March 1990 to 1 November 19901991: 2 May 1991 to 30 September 19911992: 13 February 1992 to 17 December 19921993: 21 April 1993 to 20 December 19931994: 14 March 1994 to 14 November 19941995: 23 January 1995 to 19 December 19951996: 5 May 1996 to 13 December 19961997: 3 April 1997 to 13 November 19971998: 30 March 1998 to 18 October 19981999: 22 March 1999 to 12 December 19992000: 3 March 2000 to 30 November 20002001: 11 February 2001 to 31 October 200119661971197619811986199119962001JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mustasaari Sulva Langmossen meeting 10 mm (0.39 in).
First to last qualifying date each year at Mustasaari Sulva Langmossen
YearFirst dateLast date
19661966-03-241966-12-02
19671967-05-121967-12-15
19681968-04-231968-11-03
19691969-05-151969-11-06
19701970-05-221970-11-12
19711971-01-311971-10-06
19721972-02-141972-12-07
19731973-03-221973-11-13
19741974-01-301974-12-12
19751975-04-021975-10-05
19761976-06-261976-11-12
19771977-01-301977-10-11
19781978-03-061978-11-14
19791979-04-291979-12-28
19801980-06-251980-12-04
19811981-04-131981-12-04
19821982-04-071982-11-28
19831983-01-051983-12-30
19841984-01-031984-10-27
19851985-04-021985-10-12
19861986-03-231986-12-05
19871987-02-131987-09-26
19881988-01-031988-10-09
19891989-03-281989-12-18
19901990-03-211990-11-01
19911991-05-021991-09-30
19921992-02-131992-12-17
19931993-04-211993-12-20
19941994-03-141994-11-14
19951995-01-231995-12-19
19961996-05-051996-12-13
19971997-04-031997-11-13
19981998-03-301998-10-18
19991999-03-221999-12-12
20002000-03-032000-11-30
20012001-02-112001-10-31

Every Fixed Threshold

Fixed thresholds at Mustasaari Sulva Langmossen
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3621200121
25 mm (0.98 in): Days with 25 mm or more rain22319673
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 1966.

Download the Data

  • Data for Mustasaari Sulva Langmossen 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).