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Built 2026-10-17 (17 October 2026)

Avon Downs Threshold Days by Year

4 fixed thresholds counted per year at Avon Downs (ASN00034081): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Avon Downs Thresholds

  • Avon Downs: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1890 with 30.
  • Avon Downs: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1918 with 15.
  • Avon Downs: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1889 with 5.
  • Avon Downs: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1916 with 1.
  • 4 fixed thresholds have at least one qualifying day at Avon Downs.
37 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Avon Downs Days per year at Avon Downs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1890. 01020301889: 241890: 301891: 301892: 61893: 171894: 281895: 231896: 201897: 181898: 201899: 141900: 141901: 101915: 41916: 201917: 251918: 251922: 171923: 111924: 191925: 181926: 81927: 171928: 131929: 161933: 231934: 121935: 61936: 161937: 201938: 151942: 231943: 161944: 131945: 141946: 141947: 101889189318971901191819251929193619431947
Days per year at Avon Downs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1890.
Days with 10 mm (0.39 in) or more of precipitation per year at Avon Downs
YearDaysDecade average
18892424
18903020.6
18913020.6
1892620.6
18931720.6
18942820.6
18952320.6
18962020.6
18971820.6
18982020.6
18991420.6
19001412
19011012
1915418.5
19162018.5
19172518.5
19182518.5
19221714.9
19231114.9
19241914.9
19251814.9
1926814.9
19271714.9
19281314.9
19291614.9
19332315.3
19341215.3
1935615.3
19361615.3
19372015.3
19381515.3
19422315
19431615
19441315
19451415
19461415
19471015
First to last qualifying date each year at Avon Downs For each year, a bar from the first to the last day at Avon Downs meeting 10 mm (0.39 in). 1889: 22 January 1889 to 31 December 18891890: 6 January 1890 to 2 December 18901891: 2 January 1891 to 27 December 18911892: 15 January 1892 to 26 November 18921893: 13 January 1893 to 21 December 18931894: 8 January 1894 to 31 December 18941895: 6 January 1895 to 24 December 18951896: 17 January 1896 to 21 December 18961897: 2 January 1897 to 20 December 18971898: 1 January 1898 to 21 December 18981899: 4 January 1899 to 12 November 18991900: 14 January 1900 to 25 December 19001901: 6 January 1901 to 21 December 19011915: 12 January 1915 to 22 December 19151916: 4 February 1916 to 29 December 19161917: 1 January 1917 to 16 December 19171918: 3 January 1918 to 18 December 19181922: 8 January 1922 to 26 December 19221923: 2 January 1923 to 4 September 19231924: 1 February 1924 to 7 December 19241925: 1 January 1925 to 29 December 19251926: 6 January 1926 to 21 December 19261927: 3 January 1927 to 24 December 19271928: 16 January 1928 to 27 December 19281929: 11 January 1929 to 30 December 19291933: 21 January 1933 to 18 December 19331934: 1 February 1934 to 22 November 19341935: 2 January 1935 to 8 July 19351936: 8 January 1936 to 11 December 19361937: 2 January 1937 to 19 December 19371938: 6 January 1938 to 6 November 19381942: 18 January 1942 to 31 December 19421943: 1 January 1943 to 29 December 19431944: 30 January 1944 to 30 December 19441945: 16 January 1945 to 20 November 19451946: 7 January 1946 to 30 December 19461947: 1 February 1947 to 3 December 194718891894189919171925193319381946JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Avon Downs meeting 10 mm (0.39 in).
First to last qualifying date each year at Avon Downs
YearFirst dateLast date
18891889-01-221889-12-31
18901890-01-061890-12-02
18911891-01-021891-12-27
18921892-01-151892-11-26
18931893-01-131893-12-21
18941894-01-081894-12-31
18951895-01-061895-12-24
18961896-01-171896-12-21
18971897-01-021897-12-20
18981898-01-011898-12-21
18991899-01-041899-11-12
19001900-01-141900-12-25
19011901-01-061901-12-21
19151915-01-121915-12-22
19161916-02-041916-12-29
19171917-01-011917-12-16
19181918-01-031918-12-18
19221922-01-081922-12-26
19231923-01-021923-09-04
19241924-02-011924-12-07
19251925-01-011925-12-29
19261926-01-061926-12-21
19271927-01-031927-12-24
19281928-01-161928-12-27
19291929-01-111929-12-30
19331933-01-211933-12-18
19341934-02-011934-11-22
19351935-01-021935-07-08
19361936-01-081936-12-11
19371937-01-021937-12-19
19381938-01-061938-11-06
19421942-01-181942-12-31
19431943-01-011943-12-29
19441944-01-301944-12-30
19451945-01-161945-11-20
19461946-01-071946-12-30
19471947-02-011947-12-03

Every Fixed Threshold

Fixed thresholds at Avon Downs
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3730189010
25 mm (0.98 in): Days with 25 mm or more rain371519188
50 mm (1.97 in): Days with 50 mm or more rain30518893
100 mm (3.94 in): Days with 100 mm or more rain2119161

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1889.

Download the Data

  • Data for Avon 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).