Built 2026-10-19 (19 October 2026)

Lyonshall Threshold Days by Year (UKE00105914)

9 fixed thresholds counted per year at Lyonshall (UKE00105914): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lyonshall Thresholds

  • Lyonshall: nights with a minimum temperature at or below 0 C (32 F) in 53 years, most in 2010 with 88.
  • Lyonshall: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 2002 with 34.
  • Lyonshall: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1982 with 7.
  • Lyonshall: days with a maximum temperature at or below 0 C (32 F) in 32 years, most in 1963 with 21.
  • 9 fixed thresholds have at least one qualifying day at Lyonshall.
8 years with a qualifying day
Days at or above 30 C (86 F) per year at Lyonshall Days per year at Lyonshall with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 1976. 0358101975: 21976: 91983: 21989: 11990: 21995: 12003: 22006: 319751976198319891990199520032006
Days per year at Lyonshall with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 1976.
Days at or above 30 C (86 F) per year at Lyonshall
YearDaysDecade average
197525.5
197695.5
198321.5
198911.5
199021.5
199511.5
200322.5
200632.5
First to last qualifying date each year at Lyonshall For each year, a bar from the first to the last day at Lyonshall meeting 30 C (86 F). 1975: 1 August 1975 to 2 August 19751976: 25 June 1976 to 5 July 19761983: 11 July 1983 to 12 July 19831989: 19 July 1989 to 19 July 19891990: 31 July 1990 to 1 August 19901995: 28 June 1995 to 28 June 19952003: 13 July 2003 to 7 August 20032006: 18 July 2006 to 25 July 200619751976198319891990199520032006JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lyonshall meeting 30 C (86 F).
First to last qualifying date each year at Lyonshall
YearFirst dateLast date
19751975-08-011975-08-02
19761976-06-251976-07-05
19831983-07-111983-07-12
19891989-07-191989-07-19
19901990-07-311990-08-01
19951995-06-281995-06-28
20032003-07-132003-08-07
20062006-07-182006-07-25

Every Fixed Threshold

Fixed thresholds at Lyonshall
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days8919763
90 F (32.2 C): Days3119761
0 C (32 F): Ice days (max322119635
0 C (32 F): Frost days (min5388201069
-10 C (14 F): Days with min11919638
-20 C (-4 F): Days with min1119821
10 mm (0.39 in): Days with 10 mm or more rain5334200228
25 mm (0.98 in): Days with 25 mm or more rain42719824
50 mm (1.97 in): Days with 50 mm or more rain6219821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

  • Data for Lyonshall 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).