Built 2026-10-19 (19 October 2026)

Olstappen Threshold Days by Year (NOE00134142)

2 fixed thresholds counted per year at Olstappen (NOE00134142): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Olstappen Thresholds

  • Olstappen: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 2017 with 21.
  • Olstappen: days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 2017 with 5.
  • 2 fixed thresholds have at least one qualifying day at Olstappen.
44 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Olstappen Days per year at Olstappen with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 2017. 01020301971: 91972: 81973: 101974: 101975: 51976: 81977: 61978: 51979: 151980: 151981: 91982: 91983: 31984: 151985: 101986: 121987: 131988: 101989: 81990: 121991: 81992: 91993: 141994: 121995: 111996: 111997: 101998: 71999: 112000: 142001: 132002: 102003: 82012: 152013: 142014: 102015: 62016: 102017: 212018: 102019: 162020: 132021: 82022: 8197119761981198619911996200120142019
Days per year at Olstappen with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 2017.
Days with 10 mm (0.39 in) or more of precipitation per year at Olstappen
YearDaysDecade average
197198.4
197288.4
1973108.4
1974108.4
197558.4
197688.4
197768.4
197858.4
1979158.4
19801510.4
1981910.4
1982910.4
1983310.4
19841510.4
19851010.4
19861210.4
19871310.4
19881010.4
1989810.4
19901210.5
1991810.5
1992910.5
19931410.5
19941210.5
19951110.5
19961110.5
19971010.5
1998710.5
19991110.5
20001411.3
20011311.3
20021011.3
2003811.3
20121512.8
20131412.8
20141012.8
2015612.8
20161012.8
20172112.8
20181012.8
20191612.8
2020139.7
202189.7
202289.7
First to last qualifying date each year at Olstappen For each year, a bar from the first to the last day at Olstappen meeting 10 mm (0.39 in). 1971: 23 May 1971 to 19 December 19711972: 27 March 1972 to 9 September 19721973: 19 May 1973 to 5 November 19731974: 11 February 1974 to 14 November 19741975: 28 January 1975 to 16 November 19751976: 19 June 1976 to 4 December 19761977: 5 June 1977 to 7 December 19771978: 10 April 1978 to 15 November 19781979: 9 March 1979 to 18 November 19791980: 29 May 1980 to 20 November 19801981: 25 May 1981 to 27 November 19811982: 3 July 1982 to 19 December 19821983: 22 April 1983 to 1 August 19831984: 13 January 1984 to 4 November 19841985: 27 June 1985 to 9 November 19851986: 10 January 1986 to 5 December 19861987: 27 March 1987 to 12 November 19871988: 3 March 1988 to 27 October 19881989: 25 February 1989 to 17 December 19891990: 31 January 1990 to 29 October 19901991: 18 June 1991 to 1 November 19911992: 1 May 1992 to 10 November 19921993: 2 May 1993 to 7 December 19931994: 4 June 1994 to 15 September 19941995: 28 May 1995 to 4 September 19951996: 25 February 1996 to 17 October 19961997: 7 May 1997 to 1 December 19971998: 7 June 1998 to 13 September 19981999: 13 April 1999 to 2 October 19992000: 23 June 2000 to 21 November 20002001: 4 April 2001 to 1 December 20012002: 30 January 2002 to 25 October 20022003: 12 May 2003 to 26 December 20032012: 18 February 2012 to 28 August 20122013: 15 May 2013 to 27 December 20132014: 8 April 2014 to 23 November 20142015: 10 January 2015 to 2 September 20152016: 15 June 2016 to 1 November 20162017: 18 May 2017 to 26 December 20172018: 15 January 2018 to 21 September 20182019: 12 March 2019 to 12 December 20192020: 5 June 2020 to 18 November 20202021: 20 January 2021 to 3 October 20212022: 14 February 2022 to 12 September 202219711977198319891995200120152021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Olstappen meeting 10 mm (0.39 in).
First to last qualifying date each year at Olstappen
YearFirst dateLast date
19711971-05-231971-12-19
19721972-03-271972-09-09
19731973-05-191973-11-05
19741974-02-111974-11-14
19751975-01-281975-11-16
19761976-06-191976-12-04
19771977-06-051977-12-07
19781978-04-101978-11-15
19791979-03-091979-11-18
19801980-05-291980-11-20
19811981-05-251981-11-27
19821982-07-031982-12-19
19831983-04-221983-08-01
19841984-01-131984-11-04
19851985-06-271985-11-09
19861986-01-101986-12-05
19871987-03-271987-11-12
19881988-03-031988-10-27
19891989-02-251989-12-17
19901990-01-311990-10-29
19911991-06-181991-11-01
19921992-05-011992-11-10
19931993-05-021993-12-07
19941994-06-041994-09-15
19951995-05-281995-09-04
19961996-02-251996-10-17
19971997-05-071997-12-01
19981998-06-071998-09-13
19991999-04-131999-10-02
20002000-06-232000-11-21
20012001-04-042001-12-01
20022002-01-302002-10-25
20032003-05-122003-12-26
20122012-02-182012-08-28
20132013-05-152013-12-27
20142014-04-082014-11-23
20152015-01-102015-09-02
20162016-06-152016-11-01
20172017-05-182017-12-26
20182018-01-152018-09-21
20192019-03-122019-12-12
20202020-06-052020-11-18
20212021-01-202021-10-03
20222022-02-142022-09-12

Every Fixed Threshold

Fixed thresholds at Olstappen
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain442120178
25 mm (0.98 in): Days with 25 mm or more rain26520171

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 Olstappen 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).