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Built 2026-10-19 (19 October 2026)

Nianfors Threshold Days by Year (SWE00139650)

4 fixed thresholds counted per year at Nianfors (SWE00139650): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Nianfors Thresholds

  • Nianfors: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 2023 with 36.
  • Nianfors: days with 25 mm (0.98 in) or more of precipitation in 54 years, most in 2000 with 11.
  • Nianfors: days with 50 mm (1.97 in) or more of precipitation in 20 years, most in 1983 with 2.
  • Nianfors: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1983 with 1.
  • 4 fixed thresholds have at least one qualifying day at Nianfors.
55 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Nianfors Days per year at Nianfors with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 2023. 0102030401969: 241970: 241971: 171972: 131973: 191974: 261975: 121976: 231977: 271978: 171979: 251980: 211981: 291982: 221983: 231984: 301985: 331986: 261987: 201988: 211989: 161990: 221991: 161992: 271993: 251994: 241995: 241996: 211997: 181998: 321999: 212000: 312001: 262002: 182003: 232004: 102005: 182006: 252007: 162008: 292009: 262010: 182011: 222012: 272013: 172014: 192015: 182016: 272017: 222018: 162019: 272020: 252021: 212022: 172023: 361969197519811987199319992005201120172023
Days per year at Nianfors with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 2023.
Days with 10 mm (0.39 in) or more of precipitation per year at Nianfors
YearDaysDecade average
19692424
19702420.3
19711720.3
19721320.3
19731920.3
19742620.3
19751220.3
19762320.3
19772720.3
19781720.3
19792520.3
19802124.1
19812924.1
19822224.1
19832324.1
19843024.1
19853324.1
19862624.1
19872024.1
19882124.1
19891624.1
19902223
19911623
19922723
19932523
19942423
19952423
19962123
19971823
19983223
19992123
20003122.2
20012622.2
20021822.2
20032322.2
20041022.2
20051822.2
20062522.2
20071622.2
20082922.2
20092622.2
20101821.3
20112221.3
20122721.3
20131721.3
20141921.3
20151821.3
20162721.3
20172221.3
20181621.3
20192721.3
20202524.8
20212124.8
20221724.8
20233624.8
First to last qualifying date each year at Nianfors For each year, a bar from the first to the last day at Nianfors meeting 10 mm (0.39 in). 1969: 8 February 1969 to 10 November 19691970: 5 March 1970 to 23 November 19701971: 22 January 1971 to 20 December 19711972: 19 January 1972 to 22 November 19721973: 20 January 1973 to 21 December 19731974: 29 January 1974 to 17 December 19741975: 26 January 1975 to 2 December 19751976: 5 January 1976 to 9 December 19761977: 1 January 1977 to 24 November 19771978: 30 January 1978 to 15 November 19781979: 12 January 1979 to 19 November 19791980: 19 April 1980 to 21 December 19801981: 24 February 1981 to 22 December 19811982: 6 February 1982 to 15 December 19821983: 13 January 1983 to 30 December 19831984: 3 January 1984 to 18 December 19841985: 20 January 1985 to 3 December 19851986: 4 January 1986 to 29 December 19861987: 5 January 1987 to 19 November 19871988: 26 January 1988 to 26 December 19881989: 25 February 1989 to 5 November 19891990: 26 January 1990 to 25 November 19901991: 8 January 1991 to 1 October 19911992: 13 February 1992 to 17 December 19921993: 18 February 1993 to 19 December 19931994: 6 January 1994 to 31 December 19941995: 1 January 1995 to 24 September 19951996: 30 March 1996 to 2 December 19961997: 9 February 1997 to 31 December 19971998: 1 January 1998 to 31 October 19981999: 19 February 1999 to 17 December 19992000: 24 February 2000 to 29 December 20002001: 2 January 2001 to 28 December 20012002: 22 January 2002 to 26 November 20022003: 20 January 2003 to 27 November 20032004: 12 January 2004 to 5 December 20042005: 13 February 2005 to 29 December 20052006: 2 March 2006 to 5 December 20062007: 13 January 2007 to 7 December 20072008: 1 January 2008 to 12 December 20082009: 20 January 2009 to 26 December 20092010: 1 January 2010 to 26 December 20102011: 6 January 2011 to 18 December 20112012: 2 January 2012 to 15 December 20122013: 5 February 2013 to 5 December 20132014: 7 February 2014 to 22 December 20142015: 10 January 2015 to 4 December 20152016: 4 January 2016 to 20 November 20162017: 3 January 2017 to 28 December 20172018: 3 January 2018 to 8 December 20182019: 16 January 2019 to 14 December 20192020: 14 January 2020 to 29 December 20202021: 1 January 2021 to 10 December 20212022: 29 January 2022 to 29 December 20222023: 6 January 2023 to 22 December 202319691976198319901997200420112018JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Nianfors meeting 10 mm (0.39 in).
First to last qualifying date each year at Nianfors
YearFirst dateLast date
19691969-02-081969-11-10
19701970-03-051970-11-23
19711971-01-221971-12-20
19721972-01-191972-11-22
19731973-01-201973-12-21
19741974-01-291974-12-17
19751975-01-261975-12-02
19761976-01-051976-12-09
19771977-01-011977-11-24
19781978-01-301978-11-15
19791979-01-121979-11-19
19801980-04-191980-12-21
19811981-02-241981-12-22
19821982-02-061982-12-15
19831983-01-131983-12-30
19841984-01-031984-12-18
19851985-01-201985-12-03
19861986-01-041986-12-29
19871987-01-051987-11-19
19881988-01-261988-12-26
19891989-02-251989-11-05
19901990-01-261990-11-25
19911991-01-081991-10-01
19921992-02-131992-12-17
19931993-02-181993-12-19
19941994-01-061994-12-31
19951995-01-011995-09-24
19961996-03-301996-12-02
19971997-02-091997-12-31
19981998-01-011998-10-31
19991999-02-191999-12-17
20002000-02-242000-12-29
20012001-01-022001-12-28
20022002-01-222002-11-26
20032003-01-202003-11-27
20042004-01-122004-12-05
20052005-02-132005-12-29
20062006-03-022006-12-05
20072007-01-132007-12-07
20082008-01-012008-12-12
20092009-01-202009-12-26
20102010-01-012010-12-26
20112011-01-062011-12-18
20122012-01-022012-12-15
20132013-02-052013-12-05
20142014-02-072014-12-22
20152015-01-102015-12-04
20162016-01-042016-11-20
20172017-01-032017-12-28
20182018-01-032018-12-08
20192019-01-162019-12-14
20202020-01-142020-12-29
20212021-01-012021-12-10
20222022-01-292022-12-29
20232023-01-062023-12-22

Every Fixed Threshold

Fixed thresholds at Nianfors
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5536202336
25 mm (0.98 in): Days with 25 mm or more rain5411200010
50 mm (1.97 in): Days with 50 mm or more rain20219831
100 mm (3.94 in): Days with 100 mm or more rain2119831

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 Nianfors 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).