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Built 2026-10-19 (19 October 2026)

Hennan_D Threshold Days by Year (SWE00139726)

3 fixed thresholds counted per year at Hennan_D (SWE00139726): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hennan_D Thresholds

  • Hennan_D: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 2000 with 29.
  • Hennan_D: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 2022 with 5.
  • Hennan_D: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 2001 with 2.
  • 3 fixed thresholds have at least one qualifying day at Hennan_D.
49 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Hennan_D Days per year at Hennan_D with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 2000. 01020301978: 111979: 81980: 111981: 181982: 121983: 131984: 131985: 181986: 81987: 191988: 71989: 81990: 131991: 91992: 211993: 171994: 161995: 181996: 151997: 131998: 131999: 132000: 292001: 132002: 112003: 112004: 82005: 172006: 172007: 122008: 122009: 142010: 142011: 202012: 132013: 172014: 162015: 152016: 92017: 102018: 142019: 132020: 172021: 192022: 162023: 202024: 152025: 152026: 121978198319881993199820032008201320182023
Days per year at Hennan_D with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 2000.
Days with 10 mm (0.39 in) or more of precipitation per year at Hennan_D
YearDaysDecade average
1978119.5
197989.5
19801112.7
19811812.7
19821212.7
19831312.7
19841312.7
19851812.7
1986812.7
19871912.7
1988712.7
1989812.7
19901314.8
1991914.8
19922114.8
19931714.8
19941614.8
19951814.8
19961514.8
19971314.8
19981314.8
19991314.8
20002914.4
20011314.4
20021114.4
20031114.4
2004814.4
20051714.4
20061714.4
20071214.4
20081214.4
20091414.4
20101414.1
20112014.1
20121314.1
20131714.1
20141614.1
20151514.1
2016914.1
20171014.1
20181414.1
20191314.1
20201716.3
20211916.3
20221616.3
20232016.3
20241516.3
20251516.3
20261216.3
First to last qualifying date each year at Hennan_D For each year, a bar from the first to the last day at Hennan_D meeting 10 mm (0.39 in). 1978: 30 January 1978 to 24 September 19781979: 15 July 1979 to 19 November 19791980: 18 April 1980 to 20 November 19801981: 7 March 1981 to 28 November 19811982: 6 February 1982 to 28 November 19821983: 18 April 1983 to 30 December 19831984: 29 March 1984 to 6 December 19841985: 28 March 1985 to 2 December 19851986: 7 June 1986 to 5 December 19861987: 13 February 1987 to 19 November 19871988: 1 June 1988 to 11 September 19881989: 22 April 1989 to 7 November 19891990: 28 January 1990 to 19 September 19901991: 14 May 1991 to 1 October 19911992: 13 February 1992 to 3 December 19921993: 2 June 1993 to 4 December 19931994: 5 April 1994 to 31 December 19941995: 31 January 1995 to 27 October 19951996: 23 April 1996 to 19 November 19961997: 10 February 1997 to 15 December 19971998: 15 June 1998 to 14 October 19981999: 19 February 1999 to 17 December 19992000: 24 February 2000 to 15 December 20002001: 1 May 2001 to 31 October 20012002: 22 January 2002 to 23 October 20022003: 8 June 2003 to 18 November 20032004: 26 May 2004 to 5 December 20042005: 4 January 2005 to 14 November 20052006: 12 May 2006 to 16 November 20062007: 14 January 2007 to 7 December 20072008: 12 January 2008 to 1 October 20082009: 13 June 2009 to 30 November 20092010: 27 January 2010 to 29 October 20102011: 10 February 2011 to 18 December 20112012: 2 January 2012 to 29 October 20122013: 4 June 2013 to 5 December 20132014: 25 May 2014 to 22 December 20142015: 1 January 2015 to 4 December 20152016: 6 April 2016 to 3 September 20162017: 12 June 2017 to 28 December 20172018: 31 January 2018 to 8 December 20182019: 9 February 2019 to 19 October 20192020: 22 February 2020 to 18 November 20202021: 11 January 2021 to 3 November 20212022: 3 January 2022 to 8 November 20222023: 15 January 2023 to 10 November 20232024: 13 February 2024 to 18 December 20242025: 9 March 2025 to 13 December 20252026: 14 January 2026 to 15 August 20261978198519921999200620132020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hennan_D meeting 10 mm (0.39 in).
First to last qualifying date each year at Hennan_D
YearFirst dateLast date
19781978-01-301978-09-24
19791979-07-151979-11-19
19801980-04-181980-11-20
19811981-03-071981-11-28
19821982-02-061982-11-28
19831983-04-181983-12-30
19841984-03-291984-12-06
19851985-03-281985-12-02
19861986-06-071986-12-05
19871987-02-131987-11-19
19881988-06-011988-09-11
19891989-04-221989-11-07
19901990-01-281990-09-19
19911991-05-141991-10-01
19921992-02-131992-12-03
19931993-06-021993-12-04
19941994-04-051994-12-31
19951995-01-311995-10-27
19961996-04-231996-11-19
19971997-02-101997-12-15
19981998-06-151998-10-14
19991999-02-191999-12-17
20002000-02-242000-12-15
20012001-05-012001-10-31
20022002-01-222002-10-23
20032003-06-082003-11-18
20042004-05-262004-12-05
20052005-01-042005-11-14
20062006-05-122006-11-16
20072007-01-142007-12-07
20082008-01-122008-10-01
20092009-06-132009-11-30
20102010-01-272010-10-29
20112011-02-102011-12-18
20122012-01-022012-10-29
20132013-06-042013-12-05
20142014-05-252014-12-22
20152015-01-012015-12-04
20162016-04-062016-09-03
20172017-06-122017-12-28
20182018-01-312018-12-08
20192019-02-092019-10-19
20202020-02-222020-11-18
20212021-01-112021-11-03
20222022-01-032022-11-08
20232023-01-152023-11-10
20242024-02-132024-12-18
20252025-03-092025-12-13
20262026-01-142026-08-15

Every Fixed Threshold

Fixed thresholds at Hennan_D
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4929200012
25 mm (0.98 in): Days with 25 mm or more rain39520224
50 mm (1.97 in): Days with 50 mm or more rain3220011

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1978.

Download the Data

  • Data for Hennan_D 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 (2026-10-14).