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Built 2026-10-18 (18 October 2026)

Perivale Orchard Threshold Days by Year

3 fixed thresholds counted per year at Perivale Orchard (ASN00009917): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Perivale Orchard Thresholds

  • Perivale Orchard: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 1973 with 43.
  • Perivale Orchard: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1997 with 12.
  • Perivale Orchard: days with 50 mm (1.97 in) or more of precipitation in 25 years, most in 1999 with 3.
  • 3 fixed thresholds have at least one qualifying day at Perivale Orchard.
43 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Perivale Orchard Days per year at Perivale Orchard with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1973. 02040601973: 431975: 311976: 291981: 291983: 341984: 321989: 261990: 341991: 371992: 361993: 231994: 221995: 311996: 381997: 271998: 251999: 322000: 252001: 202002: 332003: 312004: 292006: 152007: 282008: 242009: 372010: 152011: 272012: 292013: 322014: 282015: 182016: 362017: 302018: 232019: 212020: 312021: 352022: 232023: 172024: 272025: 322026: 15197319841993199820032009201420192024
Days per year at Perivale Orchard with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1973.
Days with 10 mm (0.39 in) or more of precipitation per year at Perivale Orchard
YearDaysDecade average
19734334.3
19753134.3
19762934.3
19812930.3
19833430.3
19843230.3
19892630.3
19903430.5
19913730.5
19923630.5
19932330.5
19942230.5
19953130.5
19963830.5
19972730.5
19982530.5
19993230.5
20002526.9
20012026.9
20023326.9
20033126.9
20042926.9
20061526.9
20072826.9
20082426.9
20093726.9
20101525.9
20112725.9
20122925.9
20133225.9
20142825.9
20151825.9
20163625.9
20173025.9
20182325.9
20192125.9
20203125.7
20213525.7
20222325.7
20231725.7
20242725.7
20253225.7
20261525.7
First to last qualifying date each year at Perivale Orchard For each year, a bar from the first to the last day at Perivale Orchard meeting 10 mm (0.39 in). 1973: 9 April 1973 to 29 October 19731975: 22 March 1975 to 26 September 19751976: 7 January 1976 to 28 November 19761981: 6 March 1981 to 26 November 19811983: 3 May 1983 to 7 November 19831984: 11 April 1984 to 27 December 19841989: 16 February 1989 to 24 December 19891990: 15 February 1990 to 19 November 19901991: 27 February 1991 to 13 November 19911992: 27 April 1992 to 20 November 19921993: 20 March 1993 to 10 November 19931994: 22 May 1994 to 14 October 19941995: 14 April 1995 to 24 December 19951996: 4 May 1996 to 12 December 19961997: 25 February 1997 to 22 November 19971998: 10 March 1998 to 27 September 19981999: 6 May 1999 to 20 December 19992000: 10 March 2000 to 27 November 20002001: 6 May 2001 to 4 December 20012002: 23 April 2002 to 1 November 20022003: 11 April 2003 to 25 November 20032004: 8 May 2004 to 10 November 20042006: 25 January 2006 to 11 October 20062007: 3 January 2007 to 17 December 20072008: 1 April 2008 to 25 November 20082009: 26 February 2009 to 13 November 20092010: 13 May 2010 to 10 November 20102011: 6 January 2011 to 8 November 20112012: 3 February 2012 to 13 December 20122013: 15 March 2013 to 30 November 20132014: 30 March 2014 to 6 October 20142015: 16 March 2015 to 31 October 20152016: 19 January 2016 to 8 October 20162017: 10 February 2017 to 18 December 20172018: 17 January 2018 to 14 October 20182019: 7 March 2019 to 31 October 20192020: 27 February 2020 to 10 November 20202021: 7 February 2021 to 27 October 20212022: 11 April 2022 to 5 October 20222023: 11 April 2023 to 2 October 20232024: 3 May 2024 to 20 November 20242025: 14 March 2025 to 22 November 20252026: 28 March 2026 to 20 September 202619731989199520012008201420202026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Perivale Orchard meeting 10 mm (0.39 in).
First to last qualifying date each year at Perivale Orchard
YearFirst dateLast date
19731973-04-091973-10-29
19751975-03-221975-09-26
19761976-01-071976-11-28
19811981-03-061981-11-26
19831983-05-031983-11-07
19841984-04-111984-12-27
19891989-02-161989-12-24
19901990-02-151990-11-19
19911991-02-271991-11-13
19921992-04-271992-11-20
19931993-03-201993-11-10
19941994-05-221994-10-14
19951995-04-141995-12-24
19961996-05-041996-12-12
19971997-02-251997-11-22
19981998-03-101998-09-27
19991999-05-061999-12-20
20002000-03-102000-11-27
20012001-05-062001-12-04
20022002-04-232002-11-01
20032003-04-112003-11-25
20042004-05-082004-11-10
20062006-01-252006-10-11
20072007-01-032007-12-17
20082008-04-012008-11-25
20092009-02-262009-11-13
20102010-05-132010-11-10
20112011-01-062011-11-08
20122012-02-032012-12-13
20132013-03-152013-11-30
20142014-03-302014-10-06
20152015-03-162015-10-31
20162016-01-192016-10-08
20172017-02-102017-12-18
20182018-01-172018-10-14
20192019-03-072019-10-31
20202020-02-272020-11-10
20212021-02-072021-10-27
20222022-04-112022-10-05
20232023-04-112023-10-02
20242024-05-032024-11-20
20252025-03-142025-11-22
20262026-03-282026-09-20

Every Fixed Threshold

Fixed thresholds at Perivale Orchard
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4343197315
25 mm (0.98 in): Days with 25 mm or more rain431219977
50 mm (1.97 in): Days with 50 mm or more rain25319991

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

  • Data for Perivale Orchard 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 (2026-10-17).