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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Flat Top Island Threshold Days by Year (ASN00033107)

5 fixed thresholds counted per year at Flat Top Island (ASN00033107): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Flat Top Island Thresholds

  • Flat Top Island: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 1936 with 50.
  • Flat Top Island: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1928 with 25.
  • Flat Top Island: days with 50 mm (1.97 in) or more of precipitation in 43 years, most in 1928 with 14.
  • Flat Top Island: days with 100 mm (3.94 in) or more of precipitation in 29 years, most in 1913 with 5.
  • 5 fixed thresholds have at least one qualifying day at Flat Top Island.
43 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Flat Top Island Days per year at Flat Top Island with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 1936. 02040601900: 201901: 231902: 161903: 261904: 181905: 381906: 441907: 321908: 261909: 371910: 431911: 271912: 261913: 391914: 231915: 191916: 331917: 401920: 241921: 391922: 181923: 161924: 361925: 241926: 161927: 341928: 461929: 261930: 291931: 171932: 231933: 431934: 251935: 261936: 501937: 301938: 241939: 351940: 341941: 471942: 451943: 291944: 26190019051910191519221927193219371942
Days per year at Flat Top Island with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 1936.
Days with 10 mm (0.39 in) or more of precipitation per year at Flat Top Island
YearDaysDecade average
19002028
19012328
19021628
19032628
19041828
19053828
19064428
19073228
19082628
19093728
19104331.3
19112731.3
19122631.3
19133931.3
19142331.3
19151931.3
19163331.3
19174031.3
19202427.9
19213927.9
19221827.9
19231627.9
19243627.9
19252427.9
19261627.9
19273427.9
19284627.9
19292627.9
19302930.2
19311730.2
19322330.2
19334330.2
19342530.2
19352630.2
19365030.2
19373030.2
19382430.2
19393530.2
19403436.2
19414736.2
19424536.2
19432936.2
19442636.2
First to last qualifying date each year at Flat Top Island For each year, a bar from the first to the last day at Flat Top Island meeting 10 mm (0.39 in). 1900: 3 January 1900 to 26 December 19001901: 6 January 1901 to 6 October 19011902: 24 January 1902 to 18 December 19021903: 24 January 1903 to 26 December 19031904: 4 January 1904 to 15 October 19041905: 6 January 1905 to 1 December 19051906: 2 January 1906 to 25 December 19061907: 11 January 1907 to 30 December 19071908: 5 January 1908 to 16 October 19081909: 5 January 1909 to 22 December 19091910: 2 January 1910 to 24 December 19101911: 4 January 1911 to 17 April 19111912: 6 January 1912 to 27 December 19121913: 6 January 1913 to 26 December 19131914: 23 January 1914 to 25 December 19141915: 7 February 1915 to 29 December 19151916: 5 January 1916 to 31 December 19161917: 1 January 1917 to 22 December 19171920: 2 January 1920 to 9 December 19201921: 14 January 1921 to 31 December 19211922: 8 January 1922 to 26 December 19221923: 8 January 1923 to 29 December 19231924: 30 January 1924 to 21 December 19241925: 16 January 1925 to 31 December 19251926: 10 January 1926 to 22 December 19261927: 11 January 1927 to 25 December 19271928: 19 January 1928 to 21 December 19281929: 5 January 1929 to 28 December 19291930: 1 January 1930 to 30 December 19301931: 29 January 1931 to 8 December 19311932: 1 January 1932 to 26 December 19321933: 23 January 1933 to 9 December 19331934: 26 January 1934 to 1 December 19341935: 2 January 1935 to 30 December 19351936: 7 January 1936 to 28 December 19361937: 4 January 1937 to 16 December 19371938: 9 January 1938 to 30 November 19381939: 27 January 1939 to 30 December 19391940: 3 January 1940 to 16 November 19401941: 2 January 1941 to 31 December 19411942: 18 January 1942 to 31 December 19421943: 2 January 1943 to 20 December 19431944: 1 January 1944 to 2 December 194419001906191219201926193219381944JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Flat Top Island meeting 10 mm (0.39 in).
First to last qualifying date each year at Flat Top Island
YearFirst dateLast date
19001900-01-031900-12-26
19011901-01-061901-10-06
19021902-01-241902-12-18
19031903-01-241903-12-26
19041904-01-041904-10-15
19051905-01-061905-12-01
19061906-01-021906-12-25
19071907-01-111907-12-30
19081908-01-051908-10-16
19091909-01-051909-12-22
19101910-01-021910-12-24
19111911-01-041911-04-17
19121912-01-061912-12-27
19131913-01-061913-12-26
19141914-01-231914-12-25
19151915-02-071915-12-29
19161916-01-051916-12-31
19171917-01-011917-12-22
19201920-01-021920-12-09
19211921-01-141921-12-31
19221922-01-081922-12-26
19231923-01-081923-12-29
19241924-01-301924-12-21
19251925-01-161925-12-31
19261926-01-101926-12-22
19271927-01-111927-12-25
19281928-01-191928-12-21
19291929-01-051929-12-28
19301930-01-011930-12-30
19311931-01-291931-12-08
19321932-01-011932-12-26
19331933-01-231933-12-09
19341934-01-261934-12-01
19351935-01-021935-12-30
19361936-01-071936-12-28
19371937-01-041937-12-16
19381938-01-091938-11-30
19391939-01-271939-12-30
19401940-01-031940-11-16
19411941-01-021941-12-31
19421942-01-181942-12-31
19431943-01-021943-12-20
19441944-01-011944-12-02

Every Fixed Threshold

Fixed thresholds at Flat Top Island
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4350193626
25 mm (0.98 in): Days with 25 mm or more rain4325192818
50 mm (1.97 in): Days with 50 mm or more rain431419287
100 mm (3.94 in): Days with 100 mm or more rain29519131
200 mm (7.87 in): Days with 200 mm or more rain4119041

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

  • Data for Flat Top Island 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).