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Built 2026-10-18 (18 October 2026)

Salisbury Downs Threshold Days by Year

4 fixed thresholds counted per year at Salisbury Downs (ASN00046077): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Salisbury Downs Thresholds

  • Salisbury Downs: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1890 with 18.
  • Salisbury Downs: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1885 with 7.
  • Salisbury Downs: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1887 with 2.
  • Salisbury Downs: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1887 with 1.
  • 4 fixed thresholds have at least one qualifying day at Salisbury Downs.
40 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Salisbury Downs Days per year at Salisbury Downs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1890. 051015201883: 61884: 61885: 151886: 121887: 151889: 101890: 181891: 141892: 81893: 101894: 61895: 41896: 71897: 71898: 71899: 41900: 41901: 31902: 51903: 61904: 61905: 11906: 61908: 81909: 21910: 71911: 91912: 81913: 51914: 91915: 31916: 111917: 71918: 31919: 21920: 101921: 91922: 31923: 61936: 61883188718921896190019041909191319171921
Days per year at Salisbury Downs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1890.
Days with 10 mm (0.39 in) or more of precipitation per year at Salisbury Downs
YearDaysDecade average
1883610.7
1884610.7
18851510.7
18861210.7
18871510.7
18891010.7
1890188.5
1891148.5
189288.5
1893108.5
189468.5
189548.5
189678.5
189778.5
189878.5
189948.5
190044.6
190134.6
190254.6
190364.6
190464.6
190514.6
190664.6
190884.6
190924.6
191076.4
191196.4
191286.4
191356.4
191496.4
191536.4
1916116.4
191776.4
191836.4
191926.4
1920107
192197
192237
192367
193666
First to last qualifying date each year at Salisbury Downs For each year, a bar from the first to the last day at Salisbury Downs meeting 10 mm (0.39 in). 1883: 23 February 1883 to 21 October 18831884: 7 February 1884 to 15 November 18841885: 22 January 1885 to 23 December 18851886: 15 January 1886 to 5 December 18861887: 23 January 1887 to 5 November 18871889: 3 January 1889 to 29 August 18891890: 10 January 1890 to 4 December 18901891: 16 January 1891 to 11 December 18911892: 5 September 1892 to 17 November 18921893: 27 March 1893 to 21 November 18931894: 10 April 1894 to 14 October 18941895: 17 February 1895 to 30 November 18951896: 10 February 1896 to 19 November 18961897: 8 January 1897 to 3 December 18971898: 11 February 1898 to 30 August 18981899: 26 February 1899 to 4 June 18991900: 19 January 1900 to 7 March 19001901: 15 March 1901 to 25 August 19011902: 28 November 1902 to 14 December 19021903: 23 April 1903 to 29 December 19031904: 30 April 1904 to 17 December 19041905: 22 June 1905 to 22 June 19051906: 6 March 1906 to 29 November 19061908: 1 February 1908 to 12 December 19081909: 8 February 1909 to 1 June 19091910: 30 January 1910 to 11 December 19101911: 28 January 1911 to 13 December 19111912: 9 June 1912 to 27 December 19121913: 14 February 1913 to 18 December 19131914: 19 January 1914 to 23 December 19141915: 19 February 1915 to 18 September 19151916: 7 January 1916 to 26 November 19161917: 6 February 1917 to 12 December 19171918: 25 January 1918 to 15 September 19181919: 3 February 1919 to 22 May 19191920: 1 June 1920 to 29 December 19201921: 3 February 1921 to 2 September 19211922: 27 April 1922 to 4 December 19221923: 26 April 1923 to 25 December 19231936: 2 January 1936 to 24 October 193618831889189418991904191019151920JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Salisbury Downs meeting 10 mm (0.39 in).
First to last qualifying date each year at Salisbury Downs
YearFirst dateLast date
18831883-02-231883-10-21
18841884-02-071884-11-15
18851885-01-221885-12-23
18861886-01-151886-12-05
18871887-01-231887-11-05
18891889-01-031889-08-29
18901890-01-101890-12-04
18911891-01-161891-12-11
18921892-09-051892-11-17
18931893-03-271893-11-21
18941894-04-101894-10-14
18951895-02-171895-11-30
18961896-02-101896-11-19
18971897-01-081897-12-03
18981898-02-111898-08-30
18991899-02-261899-06-04
19001900-01-191900-03-07
19011901-03-151901-08-25
19021902-11-281902-12-14
19031903-04-231903-12-29
19041904-04-301904-12-17
19051905-06-221905-06-22
19061906-03-061906-11-29
19081908-02-011908-12-12
19091909-02-081909-06-01
19101910-01-301910-12-11
19111911-01-281911-12-13
19121912-06-091912-12-27
19131913-02-141913-12-18
19141914-01-191914-12-23
19151915-02-191915-09-18
19161916-01-071916-11-26
19171917-02-061917-12-12
19181918-01-251918-09-15
19191919-02-031919-05-22
19201920-06-011920-12-29
19211921-02-031921-09-02
19221922-04-271922-12-04
19231923-04-261923-12-25
19361936-01-021936-10-24

Every Fixed Threshold

Fixed thresholds at Salisbury Downs
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain401818906
25 mm (0.98 in): Days with 25 mm or more rain32718852
50 mm (1.97 in): Days with 50 mm or more rain12218871
100 mm (3.94 in): Days with 100 mm or more rain2118871

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1883.

Download the Data

  • Data for Salisbury Downs 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).