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Built 2026-10-19 (19 October 2026)

Rhynie (Llanelly) Threshold Days by Year (ASN00023359)

4 fixed thresholds counted per year at Rhynie (Llanelly) (ASN00023359): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rhynie (Llanelly) Thresholds

  • Rhynie (Llanelly): days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1992 with 29.
  • Rhynie (Llanelly): days with 25 mm (0.98 in) or more of precipitation in 24 years, most in 1973 with 7.
  • Rhynie (Llanelly): days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 1973 with 2.
  • Rhynie (Llanelly): days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1983 with 1.
  • 4 fixed thresholds have at least one qualifying day at Rhynie (Llanelly).
31 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Rhynie (Llanelly) Days per year at Rhynie (Llanelly) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1992. 01020301970: 131971: 191972: 71973: 131974: 221975: 121976: 51977: 81978: 231979: 151980: 81981: 121982: 111983: 131984: 141985: 141986: 171987: 151988: 111989: 111990: 101991: 111992: 291993: 161994: 71995: 191996: 191997: 211998: 111999: 102000: 1419701974197819821986199019941998
Days per year at Rhynie (Llanelly) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1992.
Days with 10 mm (0.39 in) or more of precipitation per year at Rhynie (Llanelly)
YearDaysDecade average
19701313.7
19711913.7
1972713.7
19731313.7
19742213.7
19751213.7
1976513.7
1977813.7
19782313.7
19791513.7
1980812.6
19811212.6
19821112.6
19831312.6
19841412.6
19851412.6
19861712.6
19871512.6
19881112.6
19891112.6
19901015.3
19911115.3
19922915.3
19931615.3
1994715.3
19951915.3
19961915.3
19972115.3
19981115.3
19991015.3
20001414
First to last qualifying date each year at Rhynie (Llanelly) For each year, a bar from the first to the last day at Rhynie (Llanelly) meeting 10 mm (0.39 in). 1970: 1 January 1970 to 11 December 19701971: 1 March 1971 to 25 November 19711972: 7 January 1972 to 12 October 19721973: 5 February 1973 to 19 October 19731974: 28 January 1974 to 24 October 19741975: 24 March 1975 to 25 October 19751976: 9 September 1976 to 2 November 19761977: 15 January 1977 to 2 December 19771978: 10 April 1978 to 5 December 19781979: 17 January 1979 to 15 November 19791980: 18 April 1980 to 6 October 19801981: 27 January 1981 to 10 November 19811982: 26 January 1982 to 9 October 19821983: 3 March 1983 to 26 November 19831984: 1 January 1984 to 3 October 19841985: 16 March 1985 to 10 December 19851986: 16 April 1986 to 7 December 19861987: 25 January 1987 to 2 December 19871988: 6 February 1988 to 21 November 19881989: 15 March 1989 to 2 December 19891990: 14 April 1990 to 9 December 19901991: 1 April 1991 to 4 November 19911992: 1 March 1992 to 19 December 19921993: 17 January 1993 to 27 December 19931994: 5 June 1994 to 2 November 19941995: 15 January 1995 to 5 November 19951996: 1 January 1996 to 6 December 19961997: 15 January 1997 to 18 December 19971998: 13 January 1998 to 12 November 19981999: 3 February 1999 to 3 December 19992000: 20 February 2000 to 19 October 200019701974197819821986199019941998JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rhynie (Llanelly) meeting 10 mm (0.39 in).
First to last qualifying date each year at Rhynie (Llanelly)
YearFirst dateLast date
19701970-01-011970-12-11
19711971-03-011971-11-25
19721972-01-071972-10-12
19731973-02-051973-10-19
19741974-01-281974-10-24
19751975-03-241975-10-25
19761976-09-091976-11-02
19771977-01-151977-12-02
19781978-04-101978-12-05
19791979-01-171979-11-15
19801980-04-181980-10-06
19811981-01-271981-11-10
19821982-01-261982-10-09
19831983-03-031983-11-26
19841984-01-011984-10-03
19851985-03-161985-12-10
19861986-04-161986-12-07
19871987-01-251987-12-02
19881988-02-061988-11-21
19891989-03-151989-12-02
19901990-04-141990-12-09
19911991-04-011991-11-04
19921992-03-011992-12-19
19931993-01-171993-12-27
19941994-06-051994-11-02
19951995-01-151995-11-05
19961996-01-011996-12-06
19971997-01-151997-12-18
19981998-01-131998-11-12
19991999-02-031999-12-03
20002000-02-202000-10-19

Every Fixed Threshold

Fixed thresholds at Rhynie (Llanelly)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3129199214
25 mm (0.98 in): Days with 25 mm or more rain24719734
50 mm (1.97 in): Days with 50 mm or more rain5219731
100 mm (3.94 in): Days with 100 mm or more rain1119831

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for Rhynie (Llanelly) 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).