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Built 2026-10-19 (19 October 2026)

Thirlmere Threshold Days by Year (ASN00009648)

3 fixed thresholds counted per year at Thirlmere (ASN00009648): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Thirlmere Thresholds

  • Thirlmere: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1974 with 41.
  • Thirlmere: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1963 with 12.
  • Thirlmere: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1965 with 3.
  • 3 fixed thresholds have at least one qualifying day at Thirlmere.
47 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Thirlmere Days per year at Thirlmere with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1974. 02040601955: 371958: 241959: 241960: 271961: 311962: 231963: 391964: 361965: 301966: 271967: 321968: 251969: 221970: 301971: 281972: 191973: 321974: 411975: 191976: 251977: 191978: 201979: 181980: 261981: 201982: 221983: 301984: 241985: 231986: 251987: 181988: 361989: 251990: 251991: 261992: 301993: 191994: 201995: 291996: 341997: 261998: 271999: 282000: 232001: 142002: 262006: 91955196219671972197719821987199219972002
Days per year at Thirlmere with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Thirlmere
YearDaysDecade average
19553728.3
19582428.3
19592428.3
19602729.2
19613129.2
19622329.2
19633929.2
19643629.2
19653029.2
19662729.2
19673229.2
19682529.2
19692229.2
19703025.1
19712825.1
19721925.1
19733225.1
19744125.1
19751925.1
19762525.1
19771925.1
19782025.1
19791825.1
19802624.9
19812024.9
19822224.9
19833024.9
19842424.9
19852324.9
19862524.9
19871824.9
19883624.9
19892524.9
19902526.4
19912626.4
19923026.4
19931926.4
19942026.4
19952926.4
19963426.4
19972626.4
19982726.4
19992826.4
20002318
20011418
20022618
2006918
First to last qualifying date each year at Thirlmere For each year, a bar from the first to the last day at Thirlmere meeting 10 mm (0.39 in). 1955: 15 February 1955 to 27 October 19551958: 8 May 1958 to 14 October 19581959: 11 April 1959 to 31 December 19591960: 1 January 1960 to 23 September 19601961: 26 January 1961 to 16 December 19611962: 20 May 1962 to 9 November 19621963: 10 January 1963 to 17 October 19631964: 7 May 1964 to 19 December 19641965: 26 March 1965 to 20 December 19651966: 3 January 1966 to 27 December 19661967: 15 April 1967 to 27 November 19671968: 7 January 1968 to 20 October 19681969: 13 March 1969 to 9 December 19691970: 5 February 1970 to 6 October 19701971: 6 February 1971 to 23 November 19711972: 20 April 1972 to 28 October 19721973: 9 April 1973 to 31 October 19731974: 22 April 1974 to 30 October 19741975: 19 May 1975 to 26 September 19751976: 7 January 1976 to 11 November 19761977: 18 January 1977 to 12 October 19771978: 1 May 1978 to 24 November 19781979: 18 April 1979 to 13 November 19791980: 11 February 1980 to 30 December 19801981: 6 March 1981 to 26 November 19811982: 21 January 1982 to 26 October 19821983: 5 February 1983 to 13 October 19831984: 11 April 1984 to 28 December 19841985: 9 March 1985 to 8 November 19851986: 9 January 1986 to 12 October 19861987: 17 March 1987 to 26 September 19871988: 24 March 1988 to 7 November 19881989: 16 February 1989 to 11 November 19891990: 25 March 1990 to 29 October 19901991: 27 February 1991 to 13 November 19911992: 17 March 1992 to 19 November 19921993: 20 March 1993 to 10 November 19931994: 16 May 1994 to 14 October 19941995: 10 May 1995 to 25 December 19951996: 8 May 1996 to 12 December 19961997: 25 February 1997 to 21 November 19971998: 9 March 1998 to 10 October 19981999: 20 March 1999 to 20 December 19992000: 15 January 2000 to 27 November 20002001: 6 May 2001 to 4 December 20012002: 26 April 2002 to 1 November 20022006: 25 January 2006 to 29 November 200619551963196919751981198719931999JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Thirlmere meeting 10 mm (0.39 in).
First to last qualifying date each year at Thirlmere
YearFirst dateLast date
19551955-02-151955-10-27
19581958-05-081958-10-14
19591959-04-111959-12-31
19601960-01-011960-09-23
19611961-01-261961-12-16
19621962-05-201962-11-09
19631963-01-101963-10-17
19641964-05-071964-12-19
19651965-03-261965-12-20
19661966-01-031966-12-27
19671967-04-151967-11-27
19681968-01-071968-10-20
19691969-03-131969-12-09
19701970-02-051970-10-06
19711971-02-061971-11-23
19721972-04-201972-10-28
19731973-04-091973-10-31
19741974-04-221974-10-30
19751975-05-191975-09-26
19761976-01-071976-11-11
19771977-01-181977-10-12
19781978-05-011978-11-24
19791979-04-181979-11-13
19801980-02-111980-12-30
19811981-03-061981-11-26
19821982-01-211982-10-26
19831983-02-051983-10-13
19841984-04-111984-12-28
19851985-03-091985-11-08
19861986-01-091986-10-12
19871987-03-171987-09-26
19881988-03-241988-11-07
19891989-02-161989-11-11
19901990-03-251990-10-29
19911991-02-271991-11-13
19921992-03-171992-11-19
19931993-03-201993-11-10
19941994-05-161994-10-14
19951995-05-101995-12-25
19961996-05-081996-12-12
19971997-02-251997-11-21
19981998-03-091998-10-10
19991999-03-201999-12-20
20002000-01-152000-11-27
20012001-05-062001-12-04
20022002-04-262002-11-01
20062006-01-252006-11-29

Every Fixed Threshold

Fixed thresholds at Thirlmere
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain474119749
25 mm (0.98 in): Days with 25 mm or more rain471219632
50 mm (1.97 in): Days with 50 mm or more rain26319652

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

  • Data for Thirlmere 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).