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Built 2026-10-18 (18 October 2026)

Simo Maksniemi Threshold Days by Year

2 fixed thresholds counted per year at Simo Maksniemi (FIE00145877): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Simo Maksniemi Thresholds

  • Simo Maksniemi: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1998 with 20.
  • Simo Maksniemi: days with 25 mm (0.98 in) or more of precipitation in 13 years, most in 1992 with 4.
  • 2 fixed thresholds have at least one qualifying day at Simo Maksniemi.
25 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Simo Maksniemi Days per year at Simo Maksniemi with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1998. 051015201977: 171978: 101979: 101980: 81981: 71982: 121983: 141984: 51987: 161988: 51989: 121991: 71992: 181993: 101994: 91996: 61997: 71998: 201999: 162003: 122004: 142005: 172006: 122007: 182008: 17197719801983198819921996199920052008
Days per year at Simo Maksniemi with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1998.
Days with 10 mm (0.39 in) or more of precipitation per year at Simo Maksniemi
YearDaysDecade average
19771712.3
19781012.3
19791012.3
198089.9
198179.9
1982129.9
1983149.9
198459.9
1987169.9
198859.9
1989129.9
1991711.6
19921811.6
19931011.6
1994911.6
1996611.6
1997711.6
19982011.6
19991611.6
20031215
20041415
20051715
20061215
20071815
20081715
First to last qualifying date each year at Simo Maksniemi For each year, a bar from the first to the last day at Simo Maksniemi meeting 10 mm (0.39 in). 1977: 14 April 1977 to 29 September 19771978: 9 June 1978 to 19 October 19781979: 24 June 1979 to 26 September 19791980: 26 May 1980 to 18 October 19801981: 27 May 1981 to 9 September 19811982: 9 August 1982 to 22 December 19821983: 2 January 1983 to 25 October 19831984: 13 July 1984 to 21 October 19841987: 28 March 1987 to 16 October 19871988: 8 February 1988 to 22 December 19881989: 14 January 1989 to 19 September 19891991: 17 July 1991 to 13 November 19911992: 15 June 1992 to 10 October 19921993: 7 February 1993 to 19 December 19931994: 8 January 1994 to 11 December 19941996: 19 October 1996 to 23 December 19961997: 26 July 1997 to 5 December 19971998: 10 February 1998 to 13 November 19981999: 18 April 1999 to 14 December 19992003: 17 January 2003 to 27 December 20032004: 12 July 2004 to 19 November 20042005: 26 January 2005 to 24 December 20052006: 24 January 2006 to 11 December 20062007: 4 January 2007 to 6 December 20072008: 16 January 2008 to 18 December 20081977198119871992199720042008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Simo Maksniemi meeting 10 mm (0.39 in).
First to last qualifying date each year at Simo Maksniemi
YearFirst dateLast date
19771977-04-141977-09-29
19781978-06-091978-10-19
19791979-06-241979-09-26
19801980-05-261980-10-18
19811981-05-271981-09-09
19821982-08-091982-12-22
19831983-01-021983-10-25
19841984-07-131984-10-21
19871987-03-281987-10-16
19881988-02-081988-12-22
19891989-01-141989-09-19
19911991-07-171991-11-13
19921992-06-151992-10-10
19931993-02-071993-12-19
19941994-01-081994-12-11
19961996-10-191996-12-23
19971997-07-261997-12-05
19981998-02-101998-11-13
19991999-04-181999-12-14
20032003-01-172003-12-27
20042004-07-122004-11-19
20052005-01-262005-12-24
20062006-01-242006-12-11
20072007-01-042007-12-06
20082008-01-162008-12-18

Every Fixed Threshold

Fixed thresholds at Simo Maksniemi
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2520199817
25 mm (0.98 in): Days with 25 mm or more rain13419921

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1977.

Download the Data

  • Data for Simo Maksniemi 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).