Daily records
Page built 2026-10-19
Data as of 2025-12-31
Search
Built 2026-10-19 (19 October 2026)

Hay (Epsom Downs) Threshold Days by Year

4 fixed thresholds counted per year at Hay (Epsom Downs) (ASN00075134): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hay (Epsom Downs) Thresholds

  • Hay (Epsom Downs): days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1974 with 25.
  • Hay (Epsom Downs): days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1973 with 9.
  • Hay (Epsom Downs): days with 50 mm (1.97 in) or more of precipitation in 10 years, most in 1999 with 4.
  • Hay (Epsom Downs): days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1974 with 1.
  • 4 fixed thresholds have at least one qualifying day at Hay (Epsom Downs).
41 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Hay (Epsom Downs) Days per year at Hay (Epsom Downs) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1974. 01020301967: 41968: 71969: 121970: 101971: 111972: 71973: 201974: 251975: 81976: 61977: 51978: 141979: 121980: 81981: 141982: 71983: 151984: 131985: 121986: 131987: 101988: 191989: 171990: 131991: 111992: 151993: 151994: 61995: 111996: 121997: 91998: 111999: 172000: 142001: 62002: 72003: 142004: 112005: 112006: 62007: 6196719721977198219871992199720022007
Days per year at Hay (Epsom Downs) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Hay (Epsom Downs)
YearDaysDecade average
196747.7
196877.7
1969127.7
19701011.8
19711111.8
1972711.8
19732011.8
19742511.8
1975811.8
1976611.8
1977511.8
19781411.8
19791211.8
1980812.8
19811412.8
1982712.8
19831512.8
19841312.8
19851212.8
19861312.8
19871012.8
19881912.8
19891712.8
19901312
19911112
19921512
19931512
1994612
19951112
19961212
1997912
19981112
19991712
2000149.4
200169.4
200279.4
2003149.4
2004119.4
2005119.4
200669.4
200769.4
First to last qualifying date each year at Hay (Epsom Downs) For each year, a bar from the first to the last day at Hay (Epsom Downs) meeting 10 mm (0.39 in). 1967: 3 March 1967 to 12 October 19671968: 5 January 1968 to 7 October 19681969: 10 February 1969 to 14 November 19691970: 19 March 1970 to 11 November 19701971: 30 January 1971 to 26 December 19711972: 13 January 1972 to 25 November 19721973: 13 January 1973 to 30 December 19731974: 4 January 1974 to 10 December 19741975: 20 June 1975 to 29 December 19751976: 13 January 1976 to 11 November 19761977: 22 February 1977 to 18 June 19771978: 24 January 1978 to 25 December 19781979: 21 January 1979 to 23 October 19791980: 24 April 1980 to 17 December 19801981: 6 February 1981 to 12 December 19811982: 26 January 1982 to 31 December 19821983: 21 March 1983 to 31 December 19831984: 1 January 1984 to 4 October 19841985: 29 May 1985 to 11 December 19851986: 16 April 1986 to 7 December 19861987: 21 February 1987 to 5 October 19871988: 1 January 1988 to 26 December 19881989: 14 March 1989 to 7 November 19891990: 11 January 1990 to 20 October 19901991: 6 January 1991 to 18 December 19911992: 12 May 1992 to 24 December 19921993: 3 January 1993 to 22 December 19931994: 15 February 1994 to 27 October 19941995: 20 January 1995 to 6 November 19951996: 1 January 1996 to 18 November 19961997: 2 March 1997 to 14 December 19971998: 8 February 1998 to 12 November 19981999: 29 January 1999 to 28 December 19992000: 27 January 2000 to 23 December 20002001: 4 January 2001 to 24 October 20012002: 22 January 2002 to 4 August 20022003: 1 January 2003 to 4 December 20032004: 7 January 2004 to 11 December 20042005: 3 February 2005 to 3 December 20052006: 16 July 2006 to 13 November 20062007: 30 April 2007 to 22 December 20071967197319791985199119972003JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hay (Epsom Downs) meeting 10 mm (0.39 in).
First to last qualifying date each year at Hay (Epsom Downs)
YearFirst dateLast date
19671967-03-031967-10-12
19681968-01-051968-10-07
19691969-02-101969-11-14
19701970-03-191970-11-11
19711971-01-301971-12-26
19721972-01-131972-11-25
19731973-01-131973-12-30
19741974-01-041974-12-10
19751975-06-201975-12-29
19761976-01-131976-11-11
19771977-02-221977-06-18
19781978-01-241978-12-25
19791979-01-211979-10-23
19801980-04-241980-12-17
19811981-02-061981-12-12
19821982-01-261982-12-31
19831983-03-211983-12-31
19841984-01-011984-10-04
19851985-05-291985-12-11
19861986-04-161986-12-07
19871987-02-211987-10-05
19881988-01-011988-12-26
19891989-03-141989-11-07
19901990-01-111990-10-20
19911991-01-061991-12-18
19921992-05-121992-12-24
19931993-01-031993-12-22
19941994-02-151994-10-27
19951995-01-201995-11-06
19961996-01-011996-11-18
19971997-03-021997-12-14
19981998-02-081998-11-12
19991999-01-291999-12-28
20002000-01-272000-12-23
20012001-01-042001-10-24
20022002-01-222002-08-04
20032003-01-012003-12-04
20042004-01-072004-12-11
20052005-02-032005-12-03
20062006-07-162006-11-13
20072007-04-302007-12-22

Every Fixed Threshold

Fixed thresholds at Hay (Epsom Downs)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain412519746
25 mm (0.98 in): Days with 25 mm or more rain35919732
50 mm (1.97 in): Days with 50 mm or more rain10419994
100 mm (3.94 in): Days with 100 mm or more rain2119741

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1967.

Download the Data

  • Data for Hay (Epsom Downs) 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).