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Built 2026-10-19 (19 October 2026)

Hvaler Threshold Days by Year (NOE00109786)

3 fixed thresholds counted per year at Hvaler (NOE00109786): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hvaler Thresholds

  • Hvaler: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 2014 with 43.
  • Hvaler: days with 25 mm (0.98 in) or more of precipitation in 58 years, most in 1987 with 8.
  • Hvaler: days with 50 mm (1.97 in) or more of precipitation in 4 years, most in 1962 with 1.
  • 3 fixed thresholds have at least one qualifying day at Hvaler.
61 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Hvaler Days per year at Hvaler with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 2014. 02040601957: 201958: 191959: 191960: 301961: 191962: 361963: 251964: 241965: 261966: 261967: 291968: 231969: 231970: 231971: 221972: 201973: 201974: 211975: 211976: 141977: 281978: 111979: 221980: 231981: 251982: 271983: 161984: 271985: 251986: 261987: 251988: 381989: 171990: 281991: 201992: 211993: 261994: 251995: 201996: 171997: 211998: 251999: 402000: 392001: 322002: 312003: 232004: 262006: 412007: 252008: 382009: 312010: 222011: 302012: 382013: 312014: 432015: 352016: 232017: 242018: 24195719641971197819851992199920072014
Days per year at Hvaler with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 2014.
Days with 10 mm (0.39 in) or more of precipitation per year at Hvaler
YearDaysDecade average
19572019.3
19581919.3
19591919.3
19603026.1
19611926.1
19623626.1
19632526.1
19642426.1
19652626.1
19662626.1
19672926.1
19682326.1
19692326.1
19702320.2
19712220.2
19722020.2
19732020.2
19742120.2
19752120.2
19761420.2
19772820.2
19781120.2
19792220.2
19802324.9
19812524.9
19822724.9
19831624.9
19842724.9
19852524.9
19862624.9
19872524.9
19883824.9
19891724.9
19902824.3
19912024.3
19922124.3
19932624.3
19942524.3
19952024.3
19961724.3
19972124.3
19982524.3
19994024.3
20003931.8
20013231.8
20023131.8
20032331.8
20042631.8
20064131.8
20072531.8
20083831.8
20093131.8
20102230
20113030
20123830
20133130
20144330
20153530
20162330
20172430
20182430
First to last qualifying date each year at Hvaler For each year, a bar from the first to the last day at Hvaler meeting 10 mm (0.39 in). 1957: 11 January 1957 to 7 December 19571958: 5 January 1958 to 31 December 19581959: 1 January 1959 to 26 December 19591960: 17 January 1960 to 26 December 19601961: 29 January 1961 to 30 December 19611962: 9 January 1962 to 14 December 19621963: 14 April 1963 to 25 November 19631964: 2 June 1964 to 13 December 19641965: 11 January 1965 to 1 November 19651966: 29 January 1966 to 29 December 19661967: 23 February 1967 to 27 December 19671968: 24 February 1968 to 23 November 19681969: 22 January 1969 to 7 December 19691970: 23 April 1970 to 6 December 19701971: 7 January 1971 to 19 December 19711972: 7 March 1972 to 8 December 19721973: 15 January 1973 to 5 December 19731974: 11 January 1974 to 16 December 19741975: 12 January 1975 to 2 December 19751976: 16 July 1976 to 6 December 19761977: 1 January 1977 to 23 December 19771978: 4 March 1978 to 12 December 19781979: 9 March 1979 to 28 December 19791980: 10 February 1980 to 17 December 19801981: 7 March 1981 to 29 November 19811982: 3 March 1982 to 19 December 19821983: 13 January 1983 to 21 December 19831984: 7 January 1984 to 24 December 19841985: 10 March 1985 to 24 December 19851986: 10 January 1986 to 8 December 19861987: 6 February 1987 to 16 November 19871988: 2 January 1988 to 4 December 19881989: 13 February 1989 to 24 December 19891990: 28 January 1990 to 28 December 19901991: 2 January 1991 to 13 November 19911992: 10 March 1992 to 2 December 19921993: 10 January 1993 to 29 December 19931994: 7 January 1994 to 30 December 19941995: 7 January 1995 to 8 November 19951996: 9 April 1996 to 18 November 19961997: 6 February 1997 to 7 November 19971998: 15 January 1998 to 27 December 19981999: 2 January 1999 to 31 December 19992000: 27 February 2000 to 14 December 20002001: 1 January 2001 to 1 December 20012002: 17 January 2002 to 28 December 20022003: 20 January 2003 to 26 December 20032004: 11 January 2004 to 25 October 20042006: 10 January 2006 to 31 December 20062007: 17 January 2007 to 28 December 20072008: 10 January 2008 to 3 December 20082009: 18 January 2009 to 25 December 20092010: 31 March 2010 to 3 November 20102011: 5 January 2011 to 28 December 20112012: 1 January 2012 to 15 December 20122013: 27 January 2013 to 26 December 20132014: 2 January 2014 to 14 December 20142015: 5 January 2015 to 3 December 20152016: 8 February 2016 to 8 December 20162017: 10 January 2017 to 28 December 20172018: 23 January 2018 to 7 December 201819571965197319811989199720062014JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hvaler meeting 10 mm (0.39 in).
First to last qualifying date each year at Hvaler
YearFirst dateLast date
19571957-01-111957-12-07
19581958-01-051958-12-31
19591959-01-011959-12-26
19601960-01-171960-12-26
19611961-01-291961-12-30
19621962-01-091962-12-14
19631963-04-141963-11-25
19641964-06-021964-12-13
19651965-01-111965-11-01
19661966-01-291966-12-29
19671967-02-231967-12-27
19681968-02-241968-11-23
19691969-01-221969-12-07
19701970-04-231970-12-06
19711971-01-071971-12-19
19721972-03-071972-12-08
19731973-01-151973-12-05
19741974-01-111974-12-16
19751975-01-121975-12-02
19761976-07-161976-12-06
19771977-01-011977-12-23
19781978-03-041978-12-12
19791979-03-091979-12-28
19801980-02-101980-12-17
19811981-03-071981-11-29
19821982-03-031982-12-19
19831983-01-131983-12-21
19841984-01-071984-12-24
19851985-03-101985-12-24
19861986-01-101986-12-08
19871987-02-061987-11-16
19881988-01-021988-12-04
19891989-02-131989-12-24
19901990-01-281990-12-28
19911991-01-021991-11-13
19921992-03-101992-12-02
19931993-01-101993-12-29
19941994-01-071994-12-30
19951995-01-071995-11-08
19961996-04-091996-11-18
19971997-02-061997-11-07
19981998-01-151998-12-27
19991999-01-021999-12-31
20002000-02-272000-12-14
20012001-01-012001-12-01
20022002-01-172002-12-28
20032003-01-202003-12-26
20042004-01-112004-10-25
20062006-01-102006-12-31
20072007-01-172007-12-28
20082008-01-102008-12-03
20092009-01-182009-12-25
20102010-03-312010-11-03
20112011-01-052011-12-28
20122012-01-012012-12-15
20132013-01-272013-12-26
20142014-01-022014-12-14
20152015-01-052015-12-03
20162016-02-082016-12-08
20172017-01-102017-12-28
20182018-01-232018-12-07

Every Fixed Threshold

Fixed thresholds at Hvaler
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6143201424
25 mm (0.98 in): Days with 25 mm or more rain58819873
50 mm (1.97 in): Days with 50 mm or more rain4119621

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.

Download the Data

  • Data for Hvaler 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).