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Built 2026-10-19 (19 October 2026)

Sussex Threshold Days by Year (ASN00048071)

4 fixed thresholds counted per year at Sussex (ASN00048071): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sussex Thresholds

  • Sussex: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1890 with 27.
  • Sussex: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 1950 with 13.
  • Sussex: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1950 with 6.
  • Sussex: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1950 with 2.
  • 4 fixed thresholds have at least one qualifying day at Sussex.
61 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Sussex Days per year at Sussex with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 1890. 01020301883: 71884: 81885: 141886: 181887: 191888: 61889: 221890: 271891: 221892: 101895: 131896: 181897: 111898: 71899: 61900: 111901: 61902: 61903: 131904: 121905: 151906: 201907: 161908: 121909: 121910: 111911: 191912: 71913: 161914: 81915: 71916: 141917: 171918: 111919: 81920: 121921: 201922: 21923: 61924: 151925: 121926: 111927: 121928: 141929: 81930: 181931: 171932: 71933: 131934: 131935: 91936: 201937: 61938: 71939: 161942: 91945: 141946: 81947: 201950: 231951: 9188318901899190619131920192719341945
Days per year at Sussex with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 1890.
Days with 10 mm (0.39 in) or more of precipitation per year at Sussex
YearDaysDecade average
1883713.4
1884813.4
18851413.4
18861813.4
18871913.4
1888613.4
18892213.4
18902714.3
18912214.3
18921014.3
18951314.3
18961814.3
18971114.3
1898714.3
1899614.3
19001112.3
1901612.3
1902612.3
19031312.3
19041212.3
19051512.3
19062012.3
19071612.3
19081212.3
19091212.3
19101111.8
19111911.8
1912711.8
19131611.8
1914811.8
1915711.8
19161411.8
19171711.8
19181111.8
1919811.8
19201211.2
19212011.2
1922211.2
1923611.2
19241511.2
19251211.2
19261111.2
19271211.2
19281411.2
1929811.2
19301812.6
19311712.6
1932712.6
19331312.6
19341312.6
1935912.6
19362012.6
1937612.6
1938712.6
19391612.6
1942912.8
19451412.8
1946812.8
19472012.8
19502316
1951916
First to last qualifying date each year at Sussex For each year, a bar from the first to the last day at Sussex meeting 10 mm (0.39 in). 1883: 1 January 1883 to 28 November 18831884: 4 March 1884 to 13 December 18841885: 18 January 1885 to 24 December 18851886: 15 January 1886 to 8 December 18861887: 24 January 1887 to 29 November 18871888: 4 January 1888 to 23 September 18881889: 3 January 1889 to 20 December 18891890: 12 January 1890 to 8 December 18901891: 6 January 1891 to 2 December 18911892: 18 March 1892 to 21 November 18921895: 17 January 1895 to 11 December 18951896: 25 January 1896 to 3 December 18961897: 9 January 1897 to 7 October 18971898: 13 January 1898 to 27 October 18981899: 19 January 1899 to 15 October 18991900: 7 January 1900 to 8 September 19001901: 15 March 1901 to 21 October 19011902: 30 August 1902 to 17 December 19021903: 28 January 1903 to 7 December 19031904: 2 January 1904 to 18 December 19041905: 16 February 1905 to 30 November 19051906: 1 January 1906 to 14 November 19061907: 9 January 1907 to 28 December 19071908: 24 January 1908 to 12 December 19081909: 20 January 1909 to 24 December 19091910: 11 January 1910 to 12 December 19101911: 18 January 1911 to 16 December 19111912: 10 March 1912 to 18 November 19121913: 3 January 1913 to 25 December 19131914: 26 February 1914 to 22 December 19141915: 10 May 1915 to 10 December 19151916: 29 January 1916 to 12 December 19161917: 17 January 1917 to 25 December 19171918: 11 January 1918 to 2 December 19181919: 18 February 1919 to 4 December 19191920: 2 June 1920 to 1 December 19201921: 18 January 1921 to 30 December 19211922: 12 January 1922 to 6 December 19221923: 4 June 1923 to 25 December 19231924: 3 February 1924 to 15 December 19241925: 19 January 1925 to 30 December 19251926: 1 January 1926 to 21 September 19261927: 5 January 1927 to 10 December 19271928: 18 January 1928 to 11 December 19281929: 20 February 1929 to 28 December 19291930: 23 January 1930 to 17 December 19301931: 14 March 1931 to 4 December 19311932: 9 February 1932 to 13 November 19321933: 10 July 1933 to 6 December 19331934: 17 February 1934 to 22 November 19341935: 16 January 1935 to 1 December 19351936: 6 January 1936 to 16 December 19361937: 1 January 1937 to 17 August 19371938: 17 January 1938 to 31 October 19381939: 26 January 1939 to 16 November 19391942: 18 February 1942 to 10 December 19421945: 30 January 1945 to 18 December 19451946: 18 January 1946 to 29 December 19461947: 14 February 1947 to 25 December 19471950: 6 February 1950 to 1 December 19501951: 15 January 1951 to 25 November 195118831891190119091917192519331945JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sussex meeting 10 mm (0.39 in).
First to last qualifying date each year at Sussex
YearFirst dateLast date
18831883-01-011883-11-28
18841884-03-041884-12-13
18851885-01-181885-12-24
18861886-01-151886-12-08
18871887-01-241887-11-29
18881888-01-041888-09-23
18891889-01-031889-12-20
18901890-01-121890-12-08
18911891-01-061891-12-02
18921892-03-181892-11-21
18951895-01-171895-12-11
18961896-01-251896-12-03
18971897-01-091897-10-07
18981898-01-131898-10-27
18991899-01-191899-10-15
19001900-01-071900-09-08
19011901-03-151901-10-21
19021902-08-301902-12-17
19031903-01-281903-12-07
19041904-01-021904-12-18
19051905-02-161905-11-30
19061906-01-011906-11-14
19071907-01-091907-12-28
19081908-01-241908-12-12
19091909-01-201909-12-24
19101910-01-111910-12-12
19111911-01-181911-12-16
19121912-03-101912-11-18
19131913-01-031913-12-25
19141914-02-261914-12-22
19151915-05-101915-12-10
19161916-01-291916-12-12
19171917-01-171917-12-25
19181918-01-111918-12-02
19191919-02-181919-12-04
19201920-06-021920-12-01
19211921-01-181921-12-30
19221922-01-121922-12-06
19231923-06-041923-12-25
19241924-02-031924-12-15
19251925-01-191925-12-30
19261926-01-011926-09-21
19271927-01-051927-12-10
19281928-01-181928-12-11
19291929-02-201929-12-28
19301930-01-231930-12-17
19311931-03-141931-12-04
19321932-02-091932-11-13
19331933-07-101933-12-06
19341934-02-171934-11-22
19351935-01-161935-12-01
19361936-01-061936-12-16
19371937-01-011937-08-17
19381938-01-171938-10-31
19391939-01-261939-11-16
19421942-02-181942-12-10
19451945-01-301945-12-18
19461946-01-181946-12-29
19471947-02-141947-12-25
19501950-02-061950-12-01
19511951-01-151951-11-25

Every Fixed Threshold

Fixed thresholds at Sussex
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain612718909
25 mm (0.98 in): Days with 25 mm or more rain551319503
50 mm (1.97 in): Days with 50 mm or more rain29619506
100 mm (3.94 in): Days with 100 mm or more rain3219502

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 Sussex 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).