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Built 2026-10-19 (19 October 2026)

York Island School Threshold Days by Year (ASN00027026)

5 fixed thresholds counted per year at York Island School (ASN00027026): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for York Island School Thresholds

  • York Island School: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1948 with 64.
  • York Island School: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1948 with 57.
  • York Island School: days with 50 mm (1.97 in) or more of precipitation in 28 years, most in 1948 with 27.
  • York Island School: days with 100 mm (3.94 in) or more of precipitation in 22 years, most in 1947 with 4.
  • 5 fixed thresholds have at least one qualifying day at York Island School.
28 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at York Island School Days per year at York Island School with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 64 in 1948. 0204060801914: 391915: 231916: 531917: 411919: 241947: 341948: 641949: 251950: 201951: 61952: 501953: 301960: 191961: 351962: 341963: 351964: 331965: 351966: 211967: 291968: 311969: 371970: 401971: 361972: 321973: 431974: 441975: 451914191719481951196019631966196919721975
Days per year at York Island School with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 64 in 1948.
Days with 10 mm (0.39 in) or more of precipitation per year at York Island School
YearDaysDecade average
19143936
19152336
19165336
19174136
19192436
19473441
19486441
19492541
19502026.5
1951626.5
19525026.5
19533026.5
19601930.9
19613530.9
19623430.9
19633530.9
19643330.9
19653530.9
19662130.9
19672930.9
19683130.9
19693730.9
19704040
19713640
19723240
19734340
19744440
19754540
First to last qualifying date each year at York Island School For each year, a bar from the first to the last day at York Island School meeting 10 mm (0.39 in). 1914: 4 January 1914 to 28 December 19141915: 5 January 1915 to 16 December 19151916: 1 January 1916 to 30 December 19161917: 5 January 1917 to 31 December 19171919: 3 January 1919 to 18 June 19191947: 5 January 1947 to 25 November 19471948: 4 January 1948 to 29 December 19481949: 8 January 1949 to 9 December 19491950: 1 January 1950 to 1 December 19501951: 25 January 1951 to 30 November 19511952: 5 January 1952 to 12 December 19521953: 2 January 1953 to 28 December 19531960: 18 January 1960 to 19 December 19601961: 2 January 1961 to 29 December 19611962: 19 January 1962 to 27 December 19621963: 3 January 1963 to 21 December 19631964: 22 January 1964 to 7 December 19641965: 8 January 1965 to 25 December 19651966: 3 January 1966 to 29 December 19661967: 4 January 1967 to 18 December 19671968: 6 January 1968 to 27 December 19681969: 1 January 1969 to 31 December 19691970: 5 January 1970 to 28 December 19701971: 15 January 1971 to 26 December 19711972: 2 January 1972 to 7 June 19721973: 20 January 1973 to 31 December 19731974: 2 January 1974 to 28 December 19741975: 8 January 1975 to 23 December 19751914191919501960196419681972JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at York Island School meeting 10 mm (0.39 in).
First to last qualifying date each year at York Island School
YearFirst dateLast date
19141914-01-041914-12-28
19151915-01-051915-12-16
19161916-01-011916-12-30
19171917-01-051917-12-31
19191919-01-031919-06-18
19471947-01-051947-11-25
19481948-01-041948-12-29
19491949-01-081949-12-09
19501950-01-011950-12-01
19511951-01-251951-11-30
19521952-01-051952-12-12
19531953-01-021953-12-28
19601960-01-181960-12-19
19611961-01-021961-12-29
19621962-01-191962-12-27
19631963-01-031963-12-21
19641964-01-221964-12-07
19651965-01-081965-12-25
19661966-01-031966-12-29
19671967-01-041967-12-18
19681968-01-061968-12-27
19691969-01-011969-12-31
19701970-01-051970-12-28
19711971-01-151971-12-26
19721972-01-021972-06-07
19731973-01-201973-12-31
19741974-01-021974-12-28
19751975-01-081975-12-23

Every Fixed Threshold

Fixed thresholds at York Island School
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2864194845
25 mm (0.98 in): Days with 25 mm or more rain2857194821
50 mm (1.97 in): Days with 50 mm or more rain282719489
100 mm (3.94 in): Days with 100 mm or more rain22419471
200 mm (7.87 in): Days with 200 mm or more rain2119491

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1914.

Download the Data

  • Data for York Island School 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).