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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Grythyttan Threshold Days by Year (SWE00139084)

4 fixed thresholds counted per year at Grythyttan (SWE00139084): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Grythyttan Thresholds

  • Grythyttan: days with 10 mm (0.39 in) or more of precipitation in 74 years, most in 2012 with 34.
  • Grythyttan: days with 25 mm (0.98 in) or more of precipitation in 64 years, most in 1958 with 6.
  • Grythyttan: days with 50 mm (1.97 in) or more of precipitation in 8 years, most in 1949 with 2.
  • Grythyttan: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 2021 with 1.
  • 4 fixed thresholds have at least one qualifying day at Grythyttan.
74 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Grythyttan Days per year at Grythyttan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 2012. 0102030401945: 271946: 281947: 131948: 281949: 331951: 221952: 221953: 231954: 301955: 101956: 131957: 201958: 221959: 201960: 271961: 261962: 271963: 221964: 151965: 121967: 271968: 211969: 121970: 171971: 181972: 131973: 161974: 241975: 161976: 131977: 251978: 111979: 201980: 231981: 271982: 251983: 221984: 241985: 271986: 191987: 281988: 221989: 241990: 201991: 211992: 201993: 201994: 171995: 221996: 231997: 171998: 191999: 262000: 272001: 172002: 232003: 192004: 272005: 142006: 292008: 312009: 232010: 222011: 292012: 342013: 252014: 292015: 302016: 152017: 232018: 192019: 342020: 252021: 261945195419621971197919871995200320122020
Days per year at Grythyttan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 2012.
Days with 10 mm (0.39 in) or more of precipitation per year at Grythyttan
YearDaysDecade average
19452725.8
19462825.8
19471325.8
19482825.8
19493325.8
19512220.2
19522220.2
19532320.2
19543020.2
19551020.2
19561320.2
19572020.2
19582220.2
19592020.2
19602721
19612621
19622721
19632221
19641521
19651221
19672721
19682121
19691221
19701717.3
19711817.3
19721317.3
19731617.3
19742417.3
19751617.3
19761317.3
19772517.3
19781117.3
19792017.3
19802324.1
19812724.1
19822524.1
19832224.1
19842424.1
19852724.1
19861924.1
19872824.1
19882224.1
19892424.1
19902020.5
19912120.5
19922020.5
19932020.5
19941720.5
19952220.5
19962320.5
19971720.5
19981920.5
19992620.5
20002723.3
20011723.3
20022323.3
20031923.3
20042723.3
20051423.3
20062923.3
20083123.3
20092323.3
20102226
20112926
20123426
20132526
20142926
20153026
20161526
20172326
20181926
20193426
20202525.5
20212625.5
First to last qualifying date each year at Grythyttan For each year, a bar from the first to the last day at Grythyttan meeting 10 mm (0.39 in). 1945: 19 January 1945 to 12 December 19451946: 1 February 1946 to 2 December 19461947: 24 March 1947 to 30 November 19471948: 5 January 1948 to 14 December 19481949: 7 January 1949 to 29 December 19491951: 27 January 1951 to 30 December 19511952: 18 January 1952 to 31 December 19521953: 31 January 1953 to 15 October 19531954: 15 January 1954 to 11 December 19541955: 30 January 1955 to 28 December 19551956: 20 January 1956 to 16 December 19561957: 1 February 1957 to 7 November 19571958: 18 January 1958 to 31 December 19581959: 2 January 1959 to 25 December 19591960: 5 January 1960 to 27 December 19601961: 3 January 1961 to 25 November 19611962: 11 January 1962 to 16 December 19621963: 11 April 1963 to 18 December 19631964: 28 February 1964 to 30 December 19641965: 16 January 1965 to 30 October 19651967: 28 January 1967 to 27 December 19671968: 19 March 1968 to 28 November 19681969: 16 January 1969 to 17 November 19691970: 1 January 1970 to 28 November 19701971: 10 March 1971 to 27 December 19711972: 26 March 1972 to 6 December 19721973: 12 February 1973 to 22 November 19731974: 13 January 1974 to 19 November 19741975: 5 March 1975 to 2 December 19751976: 31 March 1976 to 27 December 19761977: 1 January 1977 to 24 December 19771978: 30 January 1978 to 15 November 19781979: 12 January 1979 to 28 December 19791980: 10 February 1980 to 15 December 19801981: 14 January 1981 to 11 December 19811982: 6 February 1982 to 10 December 19821983: 4 January 1983 to 30 December 19831984: 3 January 1984 to 6 December 19841985: 22 January 1985 to 24 December 19851986: 2 January 1986 to 28 December 19861987: 13 February 1987 to 22 December 19871988: 2 January 1988 to 26 December 19881989: 4 February 1989 to 17 December 19891990: 23 January 1990 to 24 November 19901991: 2 January 1991 to 13 November 19911992: 7 January 1992 to 2 December 19921993: 21 April 1993 to 23 December 19931994: 7 January 1994 to 8 December 19941995: 20 January 1995 to 27 October 19951996: 16 February 1996 to 4 December 19961997: 18 February 1997 to 1 December 19971998: 19 January 1998 to 13 December 19981999: 3 March 1999 to 25 December 19992000: 24 April 2000 to 29 December 20002001: 6 January 2001 to 20 December 20012002: 22 January 2002 to 15 November 20022003: 21 January 2003 to 27 December 20032004: 11 January 2004 to 25 December 20042005: 8 January 2005 to 3 November 20052006: 20 January 2006 to 31 December 20062008: 12 January 2008 to 18 November 20082009: 24 January 2009 to 25 December 20092010: 27 January 2010 to 16 December 20102011: 4 January 2011 to 9 December 20112012: 1 January 2012 to 31 December 20122013: 4 February 2013 to 25 December 20132014: 2 January 2014 to 11 December 20142015: 10 January 2015 to 6 December 20152016: 27 January 2016 to 20 November 20162017: 3 January 2017 to 26 December 20172018: 15 January 2018 to 11 November 20182019: 16 January 2019 to 9 December 20192020: 14 January 2020 to 21 November 20202021: 11 January 2021 to 2 November 202119451956196719771987199720082018JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Grythyttan meeting 10 mm (0.39 in).
First to last qualifying date each year at Grythyttan
YearFirst dateLast date
19451945-01-191945-12-12
19461946-02-011946-12-02
19471947-03-241947-11-30
19481948-01-051948-12-14
19491949-01-071949-12-29
19511951-01-271951-12-30
19521952-01-181952-12-31
19531953-01-311953-10-15
19541954-01-151954-12-11
19551955-01-301955-12-28
19561956-01-201956-12-16
19571957-02-011957-11-07
19581958-01-181958-12-31
19591959-01-021959-12-25
19601960-01-051960-12-27
19611961-01-031961-11-25
19621962-01-111962-12-16
19631963-04-111963-12-18
19641964-02-281964-12-30
19651965-01-161965-10-30
19671967-01-281967-12-27
19681968-03-191968-11-28
19691969-01-161969-11-17
19701970-01-011970-11-28
19711971-03-101971-12-27
19721972-03-261972-12-06
19731973-02-121973-11-22
19741974-01-131974-11-19
19751975-03-051975-12-02
19761976-03-311976-12-27
19771977-01-011977-12-24
19781978-01-301978-11-15
19791979-01-121979-12-28
19801980-02-101980-12-15
19811981-01-141981-12-11
19821982-02-061982-12-10
19831983-01-041983-12-30
19841984-01-031984-12-06
19851985-01-221985-12-24
19861986-01-021986-12-28
19871987-02-131987-12-22
19881988-01-021988-12-26
19891989-02-041989-12-17
19901990-01-231990-11-24
19911991-01-021991-11-13
19921992-01-071992-12-02
19931993-04-211993-12-23
19941994-01-071994-12-08
19951995-01-201995-10-27
19961996-02-161996-12-04
19971997-02-181997-12-01
19981998-01-191998-12-13
19991999-03-031999-12-25
20002000-04-242000-12-29
20012001-01-062001-12-20
20022002-01-222002-11-15
20032003-01-212003-12-27
20042004-01-112004-12-25
20052005-01-082005-11-03
20062006-01-202006-12-31
20082008-01-122008-11-18
20092009-01-242009-12-25
20102010-01-272010-12-16
20112011-01-042011-12-09
20122012-01-012012-12-31
20132013-02-042013-12-25
20142014-01-022014-12-11
20152015-01-102015-12-06
20162016-01-272016-11-20
20172017-01-032017-12-26
20182018-01-152018-11-11
20192019-01-162019-12-09
20202020-01-142020-11-21
20212021-01-112021-11-02

Every Fixed Threshold

Fixed thresholds at Grythyttan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain7434201226
25 mm (0.98 in): Days with 25 mm or more rain64619585
50 mm (1.97 in): Days with 50 mm or more rain8219492
100 mm (3.94 in): Days with 100 mm or more rain1120211

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

  • Data for Grythyttan 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).