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Built 2026-10-18 (18 October 2026)

Horsham Threshold Days by Year

3 fixed thresholds counted per year at Horsham (ASN00079082): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Horsham Thresholds

  • Horsham: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1981 with 19.
  • Horsham: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1973 with 6.
  • Horsham: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1973 with 3.
  • 3 fixed thresholds have at least one qualifying day at Horsham.
57 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Horsham Days per year at Horsham with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 19 in 1981. 051015201959: 101960: 161961: 71962: 51963: 101964: 141965: 81966: 81967: 41968: 91969: 131970: 111971: 141972: 41973: 151974: 151975: 131976: 71977: 41978: 81979: 171980: 101981: 191982: 41983: 161984: 91985: 71986: 151987: 151988: 181989: 141990: 61991: 131992: 161993: 131994: 81995: 101997: 62000: 82001: 82002: 52003: 122004: 52005: 112006: 62007: 112008: 72009: 112010: 162011: 102012: 102013: 82014: 52018: 82024: 102025: 122026: 71959196519711977198319891995200420102024
Days per year at Horsham with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 19 in 1981.
Days with 10 mm (0.39 in) or more of precipitation per year at Horsham
YearDaysDecade average
19591010
1960169.4
196179.4
196259.4
1963109.4
1964149.4
196589.4
196689.4
196749.4
196899.4
1969139.4
19701110.8
19711410.8
1972410.8
19731510.8
19741510.8
19751310.8
1976710.8
1977410.8
1978810.8
19791710.8
19801012.7
19811912.7
1982412.7
19831612.7
1984912.7
1985712.7
19861512.7
19871512.7
19881812.7
19891412.7
1990610.3
19911310.3
19921610.3
19931310.3
1994810.3
19951010.3
1997610.3
200088.4
200188.4
200258.4
2003128.4
200458.4
2005118.4
200668.4
2007118.4
200878.4
2009118.4
2010169.5
2011109.5
2012109.5
201389.5
201459.5
201889.5
2024109.7
2025129.7
202679.7
First to last qualifying date each year at Horsham For each year, a bar from the first to the last day at Horsham meeting 10 mm (0.39 in). 1959: 25 January 1959 to 7 December 19591960: 14 February 1960 to 21 November 19601961: 9 February 1961 to 14 December 19611962: 23 May 1962 to 8 October 19621963: 14 January 1963 to 30 September 19631964: 7 February 1964 to 18 November 19641965: 16 May 1965 to 7 December 19651966: 14 February 1966 to 12 December 19661967: 26 February 1967 to 18 December 19671968: 20 January 1968 to 6 November 19681969: 26 January 1969 to 2 December 19691970: 3 January 1970 to 5 December 19701971: 17 April 1971 to 10 December 19711972: 6 January 1972 to 22 April 19721973: 31 January 1973 to 27 October 19731974: 14 January 1974 to 18 November 19741975: 11 January 1975 to 30 October 19751976: 29 July 1976 to 15 December 19761977: 18 May 1977 to 29 November 19771978: 10 April 1978 to 4 December 19781979: 17 January 1979 to 15 November 19791980: 22 April 1980 to 6 October 19801981: 9 January 1981 to 10 November 19811982: 25 January 1982 to 6 May 19821983: 22 March 1983 to 31 December 19831984: 1 January 1984 to 2 November 19841985: 29 May 1985 to 7 December 19851986: 9 May 1986 to 17 December 19861987: 3 January 1987 to 2 December 19871988: 1 January 1988 to 18 December 19881989: 14 February 1989 to 30 November 19891990: 28 February 1990 to 9 November 19901991: 5 January 1991 to 4 November 19911992: 6 February 1992 to 20 December 19921993: 27 January 1993 to 22 December 19931994: 4 January 1994 to 26 October 19941995: 16 February 1995 to 28 October 19951997: 22 January 1997 to 11 November 19972000: 22 February 2000 to 23 December 20002001: 25 January 2001 to 24 November 20012002: 13 April 2002 to 31 December 20022003: 21 February 2003 to 22 December 20032004: 29 March 2004 to 12 November 20042005: 4 January 2005 to 8 November 20052006: 28 January 2006 to 6 September 20062007: 19 January 2007 to 22 December 20072008: 19 January 2008 to 18 December 20082009: 26 April 2009 to 18 December 20092010: 5 February 2010 to 18 December 20102011: 12 January 2011 to 18 December 20112012: 1 March 2012 to 7 September 20122013: 22 April 2013 to 13 November 20132014: 2 January 2014 to 4 December 20142018: 23 February 2018 to 17 December 20182024: 8 January 2024 to 3 December 20242025: 17 March 2025 to 22 December 20252026: 23 February 2026 to 13 June 202619591967197519831991200220102026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Horsham meeting 10 mm (0.39 in).
First to last qualifying date each year at Horsham
YearFirst dateLast date
19591959-01-251959-12-07
19601960-02-141960-11-21
19611961-02-091961-12-14
19621962-05-231962-10-08
19631963-01-141963-09-30
19641964-02-071964-11-18
19651965-05-161965-12-07
19661966-02-141966-12-12
19671967-02-261967-12-18
19681968-01-201968-11-06
19691969-01-261969-12-02
19701970-01-031970-12-05
19711971-04-171971-12-10
19721972-01-061972-04-22
19731973-01-311973-10-27
19741974-01-141974-11-18
19751975-01-111975-10-30
19761976-07-291976-12-15
19771977-05-181977-11-29
19781978-04-101978-12-04
19791979-01-171979-11-15
19801980-04-221980-10-06
19811981-01-091981-11-10
19821982-01-251982-05-06
19831983-03-221983-12-31
19841984-01-011984-11-02
19851985-05-291985-12-07
19861986-05-091986-12-17
19871987-01-031987-12-02
19881988-01-011988-12-18
19891989-02-141989-11-30
19901990-02-281990-11-09
19911991-01-051991-11-04
19921992-02-061992-12-20
19931993-01-271993-12-22
19941994-01-041994-10-26
19951995-02-161995-10-28
19971997-01-221997-11-11
20002000-02-222000-12-23
20012001-01-252001-11-24
20022002-04-132002-12-31
20032003-02-212003-12-22
20042004-03-292004-11-12
20052005-01-042005-11-08
20062006-01-282006-09-06
20072007-01-192007-12-22
20082008-01-192008-12-18
20092009-04-262009-12-18
20102010-02-052010-12-18
20112011-01-122011-12-18
20122012-03-012012-09-07
20132013-04-222013-11-13
20142014-01-022014-12-04
20182018-02-232018-12-17
20242024-01-082024-12-03
20252025-03-172025-12-22
20262026-02-232026-06-13

Every Fixed Threshold

Fixed thresholds at Horsham
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain571919817
25 mm (0.98 in): Days with 25 mm or more rain42619732
50 mm (1.97 in): Days with 50 mm or more rain7319731

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

  • Data for Horsham 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-15).