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Built 2026-10-17 (17 October 2026)

Ellerslie Post Office Threshold Days by Year

3 fixed thresholds counted per year at Ellerslie Post Office (ASN00090039): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ellerslie Post Office Thresholds

  • Ellerslie Post Office: days with 10 mm (0.39 in) or more of precipitation in 54 years, most in 1964 with 33.
  • Ellerslie Post Office: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1946 with 7.
  • Ellerslie Post Office: days with 50 mm (1.97 in) or more of precipitation in 13 years, most in 1910 with 2.
  • 3 fixed thresholds have at least one qualifying day at Ellerslie Post Office.
54 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Ellerslie Post Office Days per year at Ellerslie Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 33 in 1964. 0102030401906: 231907: 121908: 181909: 201910: 191911: 251912: 171913: 141914: 71915: 181921: 211928: 221929: 191930: 251931: 201932: 181933: 171934: 261938: 131939: 201940: 161941: 251944: 201946: 251948: 231949: 221950: 121951: 281962: 141963: 111964: 331965: 71966: 181967: 61970: 201971: 231972: 121973: 181975: 281976: 261977: 231978: 211979: 111980: 191981: 151982: 141983: 241984: 161985: 231986: 241987: 181988: 201989: 251990: 18190619121929193819481964197219791985
Days per year at Ellerslie Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 33 in 1964.
Days with 10 mm (0.39 in) or more of precipitation per year at Ellerslie Post Office
YearDaysDecade average
19062318.3
19071218.3
19081818.3
19092018.3
19101916.7
19112516.7
19121716.7
19131416.7
1914716.7
19151816.7
19212120.7
19282220.7
19291920.7
19302519.9
19312019.9
19321819.9
19331719.9
19342619.9
19381319.9
19392019.9
19401621.8
19412521.8
19442021.8
19462521.8
19482321.8
19492221.8
19501220
19512820
19621414.8
19631114.8
19643314.8
1965714.8
19661814.8
1967614.8
19702020.2
19712320.2
19721220.2
19731820.2
19752820.2
19762620.2
19772320.2
19782120.2
19791120.2
19801919.8
19811519.8
19821419.8
19832419.8
19841619.8
19852319.8
19862419.8
19871819.8
19882019.8
19892519.8
19901818
First to last qualifying date each year at Ellerslie Post Office For each year, a bar from the first to the last day at Ellerslie Post Office meeting 10 mm (0.39 in). 1906: 28 February 1906 to 28 November 19061907: 4 March 1907 to 28 December 19071908: 8 January 1908 to 22 November 19081909: 4 January 1909 to 17 October 19091910: 22 January 1910 to 23 December 19101911: 5 February 1911 to 19 December 19111912: 23 February 1912 to 11 December 19121913: 3 January 1913 to 23 December 19131914: 21 April 1914 to 15 December 19141915: 19 January 1915 to 23 November 19151921: 2 January 1921 to 27 November 19211928: 19 January 1928 to 4 November 19281929: 30 January 1929 to 28 December 19291930: 21 February 1930 to 25 December 19301931: 24 January 1931 to 17 November 19311932: 5 February 1932 to 24 December 19321933: 30 January 1933 to 16 December 19331934: 6 January 1934 to 30 December 19341938: 7 January 1938 to 4 November 19381939: 16 May 1939 to 5 December 19391940: 22 January 1940 to 31 December 19401941: 24 January 1941 to 6 December 19411944: 7 February 1944 to 23 December 19441946: 17 January 1946 to 28 December 19461948: 6 January 1948 to 26 December 19481949: 16 January 1949 to 22 November 19491950: 15 February 1950 to 20 December 19501951: 18 February 1951 to 15 December 19511962: 28 March 1962 to 11 December 19621963: 28 January 1963 to 28 October 19631964: 15 January 1964 to 8 December 19641965: 12 March 1965 to 1 December 19651966: 14 February 1966 to 13 December 19661967: 13 January 1967 to 26 November 19671970: 12 March 1970 to 31 December 19701971: 1 January 1971 to 31 December 19711972: 12 January 1972 to 17 November 19721973: 6 February 1973 to 22 December 19731975: 11 January 1975 to 23 November 19751976: 25 January 1976 to 16 December 19761977: 15 January 1977 to 29 November 19771978: 10 April 1978 to 17 December 19781979: 20 January 1979 to 11 November 19791980: 12 January 1980 to 18 December 19801981: 4 February 1981 to 13 December 19811982: 26 January 1982 to 8 December 19821983: 27 January 1983 to 9 November 19831984: 13 March 1984 to 20 December 19841985: 16 March 1985 to 17 December 19851986: 16 January 1986 to 17 December 19861987: 3 January 1987 to 5 December 19871988: 1 January 1988 to 26 December 19881989: 8 February 1989 to 17 November 19891990: 1 February 1990 to 20 December 199019061913193119411962197119791986JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ellerslie Post Office meeting 10 mm (0.39 in).
First to last qualifying date each year at Ellerslie Post Office
YearFirst dateLast date
19061906-02-281906-11-28
19071907-03-041907-12-28
19081908-01-081908-11-22
19091909-01-041909-10-17
19101910-01-221910-12-23
19111911-02-051911-12-19
19121912-02-231912-12-11
19131913-01-031913-12-23
19141914-04-211914-12-15
19151915-01-191915-11-23
19211921-01-021921-11-27
19281928-01-191928-11-04
19291929-01-301929-12-28
19301930-02-211930-12-25
19311931-01-241931-11-17
19321932-02-051932-12-24
19331933-01-301933-12-16
19341934-01-061934-12-30
19381938-01-071938-11-04
19391939-05-161939-12-05
19401940-01-221940-12-31
19411941-01-241941-12-06
19441944-02-071944-12-23
19461946-01-171946-12-28
19481948-01-061948-12-26
19491949-01-161949-11-22
19501950-02-151950-12-20
19511951-02-181951-12-15
19621962-03-281962-12-11
19631963-01-281963-10-28
19641964-01-151964-12-08
19651965-03-121965-12-01
19661966-02-141966-12-13
19671967-01-131967-11-26
19701970-03-121970-12-31
19711971-01-011971-12-31
19721972-01-121972-11-17
19731973-02-061973-12-22
19751975-01-111975-11-23
19761976-01-251976-12-16
19771977-01-151977-11-29
19781978-04-101978-12-17
19791979-01-201979-11-11
19801980-01-121980-12-18
19811981-02-041981-12-13
19821982-01-261982-12-08
19831983-01-271983-11-09
19841984-03-131984-12-20
19851985-03-161985-12-17
19861986-01-161986-12-17
19871987-01-031987-12-05
19881988-01-011988-12-26
19891989-02-081989-11-17
19901990-02-011990-12-20

Every Fixed Threshold

Fixed thresholds at Ellerslie Post Office
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5433196418
25 mm (0.98 in): Days with 25 mm or more rain44719464
50 mm (1.97 in): Days with 50 mm or more rain13219101

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1906.

Download the Data

  • Data for Ellerslie Post Office 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).