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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Woltersum Threshold Days by Year

3 fixed thresholds counted per year at Woltersum (NLE00109364): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Woltersum Thresholds

  • Woltersum: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 2007 with 29.
  • Woltersum: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 2008 with 6.
  • Woltersum: days with 50 mm (1.97 in) or more of precipitation in 1 years, most in 2002 with 1.
  • 3 fixed thresholds have at least one qualifying day at Woltersum.
31 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Woltersum Days per year at Woltersum with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 2007. 01020301951: 231952: 211953: 21992: 141993: 241994: 201995: 211996: 121997: 151998: 261999: 182000: 132001: 222002: 212003: 152004: 202005: 152006: 152007: 292008: 252009: 182010: 262011: 232012: 202013: 172014: 192015: 292016: 182017: 252018: 182019: 1719511993199720012005200920132017
Days per year at Woltersum with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 2007.
Days with 10 mm (0.39 in) or more of precipitation per year at Woltersum
YearDaysDecade average
19512315.3
19522115.3
1953215.3
19921418.8
19932418.8
19942018.8
19952118.8
19961218.8
19971518.8
19982618.8
19991818.8
20001319.3
20012219.3
20022119.3
20031519.3
20042019.3
20051519.3
20061519.3
20072919.3
20082519.3
20091819.3
20102621.2
20112321.2
20122021.2
20131721.2
20141921.2
20152921.2
20161821.2
20172521.2
20181821.2
20191721.2
First to last qualifying date each year at Woltersum For each year, a bar from the first to the last day at Woltersum meeting 10 mm (0.39 in). 1951: 5 January 1951 to 10 December 19511952: 11 January 1952 to 16 December 19521953: 29 March 1953 to 3 April 19531992: 9 May 1992 to 11 December 19921993: 28 January 1993 to 13 December 19931994: 22 January 1994 to 26 December 19941995: 1 January 1995 to 22 December 19951996: 12 February 1996 to 18 December 19961997: 12 February 1997 to 9 December 19971998: 3 January 1998 to 15 December 19981999: 1 March 1999 to 24 December 19992000: 3 January 2000 to 23 October 20002001: 5 January 2001 to 21 December 20012002: 20 January 2002 to 29 December 20022003: 1 January 2003 to 27 December 20032004: 31 January 2004 to 18 November 20042005: 7 May 2005 to 30 December 20052006: 25 March 2006 to 24 October 20062007: 17 January 2007 to 6 December 20072008: 19 January 2008 to 9 December 20082009: 9 February 2009 to 24 December 20092010: 2 February 2010 to 11 November 20102011: 14 February 2011 to 29 December 20112012: 1 January 2012 to 22 December 20122013: 29 January 2013 to 24 December 20132014: 6 January 2014 to 23 December 20142015: 8 January 2015 to 12 December 20152016: 29 January 2016 to 10 December 20162017: 12 January 2017 to 31 December 20172018: 2 January 2018 to 20 December 20182019: 3 March 2019 to 17 November 201919511993199720012005200920132017JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Woltersum meeting 10 mm (0.39 in).
First to last qualifying date each year at Woltersum
YearFirst dateLast date
19511951-01-051951-12-10
19521952-01-111952-12-16
19531953-03-291953-04-03
19921992-05-091992-12-11
19931993-01-281993-12-13
19941994-01-221994-12-26
19951995-01-011995-12-22
19961996-02-121996-12-18
19971997-02-121997-12-09
19981998-01-031998-12-15
19991999-03-011999-12-24
20002000-01-032000-10-23
20012001-01-052001-12-21
20022002-01-202002-12-29
20032003-01-012003-12-27
20042004-01-312004-11-18
20052005-05-072005-12-30
20062006-03-252006-10-24
20072007-01-172007-12-06
20082008-01-192008-12-09
20092009-02-092009-12-24
20102010-02-022010-11-11
20112011-02-142011-12-29
20122012-01-012012-12-22
20132013-01-292013-12-24
20142014-01-062014-12-23
20152015-01-082015-12-12
20162016-01-292016-12-10
20172017-01-122017-12-31
20182018-01-022018-12-20
20192019-03-032019-11-17

Every Fixed Threshold

Fixed thresholds at Woltersum
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3129200717
25 mm (0.98 in): Days with 25 mm or more rain23620083
50 mm (1.97 in): Days with 50 mm or more rain1120021

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.

Download the Data

  • Data for Woltersum 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).