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

Dauan Island Threshold Days by Year

5 fixed thresholds counted per year at Dauan Island (ASN00027009): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dauan Island Thresholds

  • Dauan Island: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1943 with 70.
  • Dauan Island: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 1930 with 34.
  • Dauan Island: days with 50 mm (1.97 in) or more of precipitation in 16 years, most in 1930 with 16.
  • Dauan Island: days with 100 mm (3.94 in) or more of precipitation in 7 years, most in 1958 with 11.
  • 5 fixed thresholds have at least one qualifying day at Dauan Island.
25 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Dauan Island Days per year at Dauan Island with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 70 in 1943. 0204060801927: 461928: 401929: 251930: 601931: 461933: 331935: 241936: 351938: 411943: 701944: 321945: 321946: 451947: 291948: 381949: 351950: 451951: 181952: 431956: 11957: 371958: 291962: 41963: 21971: 15192719301935194319461949195219581971
Days per year at Dauan Island with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 70 in 1943.
Days with 10 mm (0.39 in) or more of precipitation per year at Dauan Island
YearDaysDecade average
19274637
19284037
19292537
19306039.8
19314639.8
19333339.8
19352439.8
19363539.8
19384139.8
19437040.1
19443240.1
19453240.1
19464540.1
19472940.1
19483840.1
19493540.1
19504528.8
19511828.8
19524328.8
1956128.8
19573728.8
19582928.8
196243
196323
19711515
First to last qualifying date each year at Dauan Island For each year, a bar from the first to the last day at Dauan Island meeting 10 mm (0.39 in). 1927: 5 January 1927 to 26 December 19271928: 6 January 1928 to 31 December 19281929: 2 January 1929 to 31 December 19291930: 7 January 1930 to 30 December 19301931: 2 January 1931 to 31 December 19311933: 6 February 1933 to 28 December 19331935: 9 January 1935 to 14 November 19351936: 3 January 1936 to 30 December 19361938: 4 January 1938 to 29 December 19381943: 8 January 1943 to 30 December 19431944: 13 January 1944 to 24 December 19441945: 14 January 1945 to 31 December 19451946: 3 January 1946 to 28 November 19461947: 11 January 1947 to 9 December 19471948: 4 January 1948 to 31 December 19481949: 7 January 1949 to 31 December 19491950: 1 January 1950 to 20 December 19501951: 1 February 1951 to 29 November 19511952: 3 January 1952 to 30 November 19521956: 31 December 1956 to 31 December 19561957: 1 January 1957 to 29 December 19571958: 1 January 1958 to 19 November 19581962: 16 April 1962 to 23 April 19621963: 19 February 1963 to 9 March 19631971: 4 March 1971 to 18 May 19711927193119381946195019571971JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Dauan Island meeting 10 mm (0.39 in).
First to last qualifying date each year at Dauan Island
YearFirst dateLast date
19271927-01-051927-12-26
19281928-01-061928-12-31
19291929-01-021929-12-31
19301930-01-071930-12-30
19311931-01-021931-12-31
19331933-02-061933-12-28
19351935-01-091935-11-14
19361936-01-031936-12-30
19381938-01-041938-12-29
19431943-01-081943-12-30
19441944-01-131944-12-24
19451945-01-141945-12-31
19461946-01-031946-11-28
19471947-01-111947-12-09
19481948-01-041948-12-31
19491949-01-071949-12-31
19501950-01-011950-12-20
19511951-02-011951-11-29
19521952-01-031952-11-30
19561956-12-311956-12-31
19571957-01-011957-12-29
19581958-01-011958-11-19
19621962-04-161962-04-23
19631963-02-191963-03-09
19711971-03-041971-05-18

Every Fixed Threshold

Fixed thresholds at Dauan Island
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2570194315
25 mm (0.98 in): Days with 25 mm or more rain213419304
50 mm (1.97 in): Days with 50 mm or more rain161619302
100 mm (3.94 in): Days with 100 mm or more rain711195811
200 mm (7.87 in): Days with 200 mm or more rain2319583

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1927.

Download the Data

  • Data for Dauan 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).