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Built 2026-10-15 (15 October 2026)

Deelen-1 Threshold Days by Year

3 fixed thresholds counted per year at Deelen-1 (NLE00102011): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Deelen-1 Thresholds

  • Deelen-1: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 2023 with 52.
  • Deelen-1: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 2007 with 8.
  • Deelen-1: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1978 with 1.
  • 3 fixed thresholds have at least one qualifying day at Deelen-1.
56 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Deelen-1 Days per year at Deelen-1 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 52 in 2023. 02040601971: 111972: 241973: 171974: 281975: 191976: 121977: 211978: 131979: 231980: 221981: 281982: 171983: 191984: 291985: 211986: 261987: 351988: 291989: 221990: 301991: 241992: 301993: 381994: 391995: 221996: 231997: 211998: 341999: 192000: 252001: 322002: 302003: 242004: 292005: 212006: 252007: 352008: 252009: 202010: 292011: 322012: 282013: 242014: 332015: 292016: 282017: 312018: 232019: 332020: 242021: 262022: 282023: 522024: 372025: 192026: 121971197719831989199520012007201320192025
Days per year at Deelen-1 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 52 in 2023.
Days with 10 mm (0.39 in) or more of precipitation per year at Deelen-1
YearDaysDecade average
19711118.7
19722418.7
19731718.7
19742818.7
19751918.7
19761218.7
19772118.7
19781318.7
19792318.7
19802224.8
19812824.8
19821724.8
19831924.8
19842924.8
19852124.8
19862624.8
19873524.8
19882924.8
19892224.8
19903028
19912428
19923028
19933828
19943928
19952228
19962328
19972128
19983428
19991928
20002526.6
20013226.6
20023026.6
20032426.6
20042926.6
20052126.6
20062526.6
20073526.6
20082526.6
20092026.6
20102929
20113229
20122829
20132429
20143329
20152929
20162829
20173129
20182329
20193329
20202428.3
20212628.3
20222828.3
20235228.3
20243728.3
20251928.3
20261228.3
First to last qualifying date each year at Deelen-1 For each year, a bar from the first to the last day at Deelen-1 meeting 10 mm (0.39 in). 1971: 23 January 1971 to 21 November 19711972: 10 March 1972 to 20 November 19721973: 12 February 1973 to 7 December 19731974: 7 January 1974 to 25 December 19741975: 6 January 1975 to 31 December 19751976: 1 January 1976 to 30 November 19761977: 27 January 1977 to 21 November 19771978: 11 January 1978 to 28 December 19781979: 10 January 1979 to 29 December 19791980: 2 February 1980 to 17 December 19801981: 2 January 1981 to 9 December 19811982: 5 January 1982 to 19 December 19821983: 3 January 1983 to 24 December 19831984: 1 January 1984 to 20 December 19841985: 26 March 1985 to 26 December 19851986: 14 January 1986 to 30 December 19861987: 1 January 1987 to 17 December 19871988: 1 January 1988 to 19 December 19881989: 5 January 1989 to 19 December 19891990: 23 January 1990 to 26 December 19901991: 1 January 1991 to 21 December 19911992: 5 January 1992 to 11 December 19921993: 5 January 1993 to 30 December 19931994: 22 January 1994 to 29 December 19941995: 10 January 1995 to 22 December 19951996: 12 February 1996 to 19 December 19961997: 4 February 1997 to 10 December 19971998: 3 January 1998 to 28 December 19981999: 3 January 1999 to 25 December 19992000: 3 January 2000 to 10 December 20002001: 5 January 2001 to 27 December 20012002: 20 January 2002 to 29 December 20022003: 1 January 2003 to 27 December 20032004: 12 January 2004 to 24 December 20042005: 17 January 2005 to 15 December 20052006: 7 February 2006 to 30 December 20062007: 6 January 2007 to 8 December 20072008: 18 January 2008 to 23 November 20082009: 4 January 2009 to 20 December 20092010: 2 February 2010 to 16 December 20102011: 6 January 2011 to 29 December 20112012: 1 January 2012 to 31 December 20122013: 5 February 2013 to 27 December 20132014: 26 January 2014 to 18 December 20142015: 8 January 2015 to 30 November 20152016: 3 January 2016 to 21 December 20162017: 12 January 2017 to 31 December 20172018: 2 January 2018 to 23 December 20182019: 12 January 2019 to 24 December 20192020: 9 February 2020 to 23 December 20202021: 11 January 2021 to 30 November 20212022: 8 January 2022 to 30 December 20222023: 1 January 2023 to 29 December 20232024: 1 January 2024 to 7 December 20242025: 1 January 2025 to 7 December 20252026: 1 January 2026 to 26 July 202619711978198519921999200620132020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Deelen-1 meeting 10 mm (0.39 in).
First to last qualifying date each year at Deelen-1
YearFirst dateLast date
19711971-01-231971-11-21
19721972-03-101972-11-20
19731973-02-121973-12-07
19741974-01-071974-12-25
19751975-01-061975-12-31
19761976-01-011976-11-30
19771977-01-271977-11-21
19781978-01-111978-12-28
19791979-01-101979-12-29
19801980-02-021980-12-17
19811981-01-021981-12-09
19821982-01-051982-12-19
19831983-01-031983-12-24
19841984-01-011984-12-20
19851985-03-261985-12-26
19861986-01-141986-12-30
19871987-01-011987-12-17
19881988-01-011988-12-19
19891989-01-051989-12-19
19901990-01-231990-12-26
19911991-01-011991-12-21
19921992-01-051992-12-11
19931993-01-051993-12-30
19941994-01-221994-12-29
19951995-01-101995-12-22
19961996-02-121996-12-19
19971997-02-041997-12-10
19981998-01-031998-12-28
19991999-01-031999-12-25
20002000-01-032000-12-10
20012001-01-052001-12-27
20022002-01-202002-12-29
20032003-01-012003-12-27
20042004-01-122004-12-24
20052005-01-172005-12-15
20062006-02-072006-12-30
20072007-01-062007-12-08
20082008-01-182008-11-23
20092009-01-042009-12-20
20102010-02-022010-12-16
20112011-01-062011-12-29
20122012-01-012012-12-31
20132013-02-052013-12-27
20142014-01-262014-12-18
20152015-01-082015-11-30
20162016-01-032016-12-21
20172017-01-122017-12-31
20182018-01-022018-12-23
20192019-01-122019-12-24
20202020-02-092020-12-23
20212021-01-112021-11-30
20222022-01-082022-12-30
20232023-01-012023-12-29
20242024-01-012024-12-07
20252025-01-012025-12-07
20262026-01-012026-07-26

Every Fixed Threshold

Fixed thresholds at Deelen-1
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5652202312
25 mm (0.98 in): Days with 25 mm or more rain47820072
50 mm (1.97 in): Days with 50 mm or more rain6119781

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.

Download the Data

  • Data for Deelen-1 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 (2026-10-12).