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Built 2026-10-19 (19 October 2026)

Stonehenge Threshold Days by Year (ASN00092036)

3 fixed thresholds counted per year at Stonehenge (ASN00092036): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Stonehenge Thresholds

  • Stonehenge: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1931 with 26.
  • Stonehenge: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1970 with 11.
  • Stonehenge: days with 50 mm (1.97 in) or more of precipitation in 16 years, most in 1970 with 3.
  • 3 fixed thresholds have at least one qualifying day at Stonehenge.
41 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Stonehenge Days per year at Stonehenge with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1931. 01020301922: 211923: 211924: 131925: 161926: 201927: 101929: 181930: 201931: 261932: 211933: 101934: 171935: 231936: 81937: 171940: 101942: 191943: 161944: 181945: 111947: 261963: 81964: 171965: 161966: 191967: 111968: 101969: 211970: 231971: 191972: 101973: 231974: 211975: 231976: 171977: 141978: 151979: 81980: 121981: 121982: 11192219271933194019471967197219771982
Days per year at Stonehenge with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1931.
Days with 10 mm (0.39 in) or more of precipitation per year at Stonehenge
YearDaysDecade average
19222117
19232117
19241317
19251617
19262017
19271017
19291817
19302017.8
19312617.8
19322117.8
19331017.8
19341717.8
19352317.8
1936817.8
19371717.8
19401016.7
19421916.7
19431616.7
19441816.7
19451116.7
19472616.7
1963814.6
19641714.6
19651614.6
19661914.6
19671114.6
19681014.6
19692114.6
19702317.3
19711917.3
19721017.3
19732317.3
19742117.3
19752317.3
19761717.3
19771417.3
19781517.3
1979817.3
19801211.7
19811211.7
19821111.7
First to last qualifying date each year at Stonehenge For each year, a bar from the first to the last day at Stonehenge meeting 10 mm (0.39 in). 1922: 4 January 1922 to 25 December 19221923: 3 January 1923 to 5 December 19231924: 8 January 1924 to 23 November 19241925: 28 January 1925 to 18 November 19251926: 5 January 1926 to 6 December 19261927: 27 January 1927 to 19 December 19271929: 26 January 1929 to 29 December 19291930: 19 February 1930 to 25 December 19301931: 15 February 1931 to 21 November 19311932: 10 January 1932 to 18 December 19321933: 19 February 1933 to 30 November 19331934: 8 January 1934 to 30 December 19341935: 4 January 1935 to 21 December 19351936: 22 January 1936 to 20 December 19361937: 2 January 1937 to 27 December 19371940: 21 March 1940 to 30 December 19401942: 20 January 1942 to 24 December 19421943: 4 January 1943 to 4 December 19431944: 2 January 1944 to 16 December 19441945: 16 January 1945 to 28 December 19451947: 4 February 1947 to 31 December 19471963: 18 January 1963 to 8 November 19631964: 7 February 1964 to 26 December 19641965: 11 January 1965 to 2 December 19651966: 5 February 1966 to 15 December 19661967: 1 July 1967 to 19 December 19671968: 27 February 1968 to 23 December 19681969: 15 January 1969 to 13 December 19691970: 3 January 1970 to 30 December 19701971: 1 January 1971 to 20 November 19711972: 10 January 1972 to 6 November 19721973: 13 January 1973 to 31 December 19731974: 17 January 1974 to 29 December 19741975: 12 January 1975 to 24 November 19751976: 15 January 1976 to 24 December 19761977: 17 January 1977 to 30 November 19771978: 5 February 1978 to 27 December 19781979: 21 January 1979 to 31 December 19791980: 21 February 1980 to 29 December 19801981: 3 March 1981 to 3 October 19811982: 7 January 1982 to 8 December 19821922192919351944196619721978JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Stonehenge meeting 10 mm (0.39 in).
First to last qualifying date each year at Stonehenge
YearFirst dateLast date
19221922-01-041922-12-25
19231923-01-031923-12-05
19241924-01-081924-11-23
19251925-01-281925-11-18
19261926-01-051926-12-06
19271927-01-271927-12-19
19291929-01-261929-12-29
19301930-02-191930-12-25
19311931-02-151931-11-21
19321932-01-101932-12-18
19331933-02-191933-11-30
19341934-01-081934-12-30
19351935-01-041935-12-21
19361936-01-221936-12-20
19371937-01-021937-12-27
19401940-03-211940-12-30
19421942-01-201942-12-24
19431943-01-041943-12-04
19441944-01-021944-12-16
19451945-01-161945-12-28
19471947-02-041947-12-31
19631963-01-181963-11-08
19641964-02-071964-12-26
19651965-01-111965-12-02
19661966-02-051966-12-15
19671967-07-011967-12-19
19681968-02-271968-12-23
19691969-01-151969-12-13
19701970-01-031970-12-30
19711971-01-011971-11-20
19721972-01-101972-11-06
19731973-01-131973-12-31
19741974-01-171974-12-29
19751975-01-121975-11-24
19761976-01-151976-12-24
19771977-01-171977-11-30
19781978-02-051978-12-27
19791979-01-211979-12-31
19801980-02-211980-12-29
19811981-03-031981-10-03
19821982-01-071982-12-08

Every Fixed Threshold

Fixed thresholds at Stonehenge
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4126193111
25 mm (0.98 in): Days with 25 mm or more rain361119701
50 mm (1.97 in): Days with 50 mm or more rain16319701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1922.

Download the Data

  • Data for Stonehenge 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).