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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Coniston Threshold Days by Year (ASN00038058)

3 fixed thresholds counted per year at Coniston (ASN00038058): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Coniston Thresholds

  • Coniston: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1921 with 17.
  • Coniston: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1975 with 5.
  • Coniston: days with 50 mm (1.97 in) or more of precipitation in 9 years, most in 1989 with 2.
  • 3 fixed thresholds have at least one qualifying day at Coniston.
29 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Coniston Days per year at Coniston with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1921. 051015201921: 171922: 51923: 41924: 61925: 21975: 111979: 71980: 61981: 141982: 41983: 91984: 121985: 51986: 51987: 81988: 81989: 101990: 111995: 81996: 71997: 91998: 131999: 32000: 72001: 72002: 22003: 62004: 102018: 21921192419791982198519881995199820012004
Days per year at Coniston with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1921.
Days with 10 mm (0.39 in) or more of precipitation per year at Coniston
YearDaysDecade average
1921176.8
192256.8
192346.8
192466.8
192526.8
1975119
197979
198068.1
1981148.1
198248.1
198398.1
1984128.1
198558.1
198658.1
198788.1
198888.1
1989108.1
1990118.5
199588.5
199678.5
199798.5
1998138.5
199938.5
200076.4
200176.4
200226.4
200366.4
2004106.4
201822
First to last qualifying date each year at Coniston For each year, a bar from the first to the last day at Coniston meeting 10 mm (0.39 in). 1921: 4 January 1921 to 26 December 19211922: 28 February 1922 to 26 December 19221923: 4 June 1923 to 26 December 19231924: 6 January 1924 to 11 November 19241925: 13 January 1925 to 19 January 19251975: 9 February 1975 to 27 December 19751979: 16 January 1979 to 24 October 19791980: 28 January 1980 to 3 December 19801981: 15 January 1981 to 19 November 19811982: 2 March 1982 to 18 March 19821983: 31 January 1983 to 27 May 19831984: 1 January 1984 to 19 December 19841985: 15 August 1985 to 5 November 19851986: 5 May 1986 to 6 December 19861987: 27 January 1987 to 28 December 19871988: 31 March 1988 to 27 December 19881989: 5 April 1989 to 1 December 19891990: 8 January 1990 to 20 October 19901995: 17 January 1995 to 27 November 19951996: 15 March 1996 to 19 December 19961997: 12 January 1997 to 26 December 19971998: 12 January 1998 to 31 December 19981999: 17 September 1999 to 26 November 19992000: 21 February 2000 to 19 November 20002001: 28 January 2001 to 9 December 20012002: 26 February 2002 to 18 August 20022003: 1 January 2003 to 5 December 20032004: 12 January 2004 to 24 December 20042018: 5 March 2018 to 6 March 201819211925198119851989199720012018JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Coniston meeting 10 mm (0.39 in).
First to last qualifying date each year at Coniston
YearFirst dateLast date
19211921-01-041921-12-26
19221922-02-281922-12-26
19231923-06-041923-12-26
19241924-01-061924-11-11
19251925-01-131925-01-19
19751975-02-091975-12-27
19791979-01-161979-10-24
19801980-01-281980-12-03
19811981-01-151981-11-19
19821982-03-021982-03-18
19831983-01-311983-05-27
19841984-01-011984-12-19
19851985-08-151985-11-05
19861986-05-051986-12-06
19871987-01-271987-12-28
19881988-03-311988-12-27
19891989-04-051989-12-01
19901990-01-081990-10-20
19951995-01-171995-11-27
19961996-03-151996-12-19
19971997-01-121997-12-26
19981998-01-121998-12-31
19991999-09-171999-11-26
20002000-02-212000-11-19
20012001-01-282001-12-09
20022002-02-262002-08-18
20032003-01-012003-12-05
20042004-01-122004-12-24
20182018-03-052018-03-06

Every Fixed Threshold

Fixed thresholds at Coniston
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain291719212
25 mm (0.98 in): Days with 25 mm or more rain28519751
50 mm (1.97 in): Days with 50 mm or more rain9219891

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1921.

Download the Data

  • Data for Coniston 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).