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Built 2026-10-19 (19 October 2026)

Gnowellan Threshold Days by Year (ASN00008180)

3 fixed thresholds counted per year at Gnowellan (ASN00008180): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Gnowellan Thresholds

  • Gnowellan: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1963 with 18.
  • Gnowellan: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 1984 with 6.
  • Gnowellan: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1970 with 1.
  • 3 fixed thresholds have at least one qualifying day at Gnowellan.
35 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Gnowellan Days per year at Gnowellan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1963. 051015201958: 101959: 81960: 51961: 91962: 71963: 181964: 101965: 121967: 101968: 121969: 51970: 121971: 61972: 71973: 91974: 111975: 91976: 81977: 71978: 91979: 91980: 21981: 121982: 101983: 121984: 141985: 141986: 141987: 91989: 81990: 121991: 81992: 111993: 81995: 18195819621967197119751979198319871992
Days per year at Gnowellan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1963.
Days with 10 mm (0.39 in) or more of precipitation per year at Gnowellan
YearDaysDecade average
1958109
195989
196059.8
196199.8
196279.8
1963189.8
1964109.8
1965129.8
1967109.8
1968129.8
196959.8
1970128.7
197168.7
197278.7
197398.7
1974118.7
197598.7
197688.7
197778.7
197898.7
197998.7
1980210.6
19811210.6
19821010.6
19831210.6
19841410.6
19851410.6
19861410.6
1987910.6
1989810.6
19901211.4
1991811.4
19921111.4
1993811.4
19951811.4
First to last qualifying date each year at Gnowellan For each year, a bar from the first to the last day at Gnowellan meeting 10 mm (0.39 in). 1958: 21 May 1958 to 22 September 19581959: 1 March 1959 to 19 August 19591960: 1 January 1960 to 20 July 19601961: 26 January 1961 to 31 August 19611962: 30 January 1962 to 15 December 19621963: 28 January 1963 to 26 August 19631964: 24 February 1964 to 8 November 19641965: 14 January 1965 to 9 August 19651967: 23 January 1967 to 11 November 19671968: 27 January 1968 to 7 August 19681969: 23 April 1969 to 12 September 19691970: 20 January 1970 to 29 December 19701971: 19 March 1971 to 15 August 19711972: 31 May 1972 to 11 September 19721973: 10 January 1973 to 5 November 19731974: 5 March 1974 to 20 October 19741975: 21 March 1975 to 15 October 19751976: 27 February 1976 to 11 November 19761977: 15 May 1977 to 28 December 19771978: 3 January 1978 to 18 December 19781979: 14 March 1979 to 30 November 19791980: 26 July 1980 to 26 August 19801981: 17 February 1981 to 8 December 19811982: 3 January 1982 to 12 October 19821983: 17 March 1983 to 18 November 19831984: 31 January 1984 to 4 July 19841985: 9 January 1985 to 17 September 19851986: 11 January 1986 to 9 November 19861987: 26 April 1987 to 24 December 19871989: 25 February 1989 to 21 July 19891990: 28 January 1990 to 6 October 19901991: 22 March 1991 to 25 December 19911992: 7 February 1992 to 26 September 19921993: 30 April 1993 to 14 November 19931995: 25 March 1995 to 24 December 19951958196319691974197919841990JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Gnowellan meeting 10 mm (0.39 in).
First to last qualifying date each year at Gnowellan
YearFirst dateLast date
19581958-05-211958-09-22
19591959-03-011959-08-19
19601960-01-011960-07-20
19611961-01-261961-08-31
19621962-01-301962-12-15
19631963-01-281963-08-26
19641964-02-241964-11-08
19651965-01-141965-08-09
19671967-01-231967-11-11
19681968-01-271968-08-07
19691969-04-231969-09-12
19701970-01-201970-12-29
19711971-03-191971-08-15
19721972-05-311972-09-11
19731973-01-101973-11-05
19741974-03-051974-10-20
19751975-03-211975-10-15
19761976-02-271976-11-11
19771977-05-151977-12-28
19781978-01-031978-12-18
19791979-03-141979-11-30
19801980-07-261980-08-26
19811981-02-171981-12-08
19821982-01-031982-10-12
19831983-03-171983-11-18
19841984-01-311984-07-04
19851985-01-091985-09-17
19861986-01-111986-11-09
19871987-04-261987-12-24
19891989-02-251989-07-21
19901990-01-281990-10-06
19911991-03-221991-12-25
19921992-02-071992-09-26
19931993-04-301993-11-14
19951995-03-251995-12-24

Every Fixed Threshold

Fixed thresholds at Gnowellan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3518196318
25 mm (0.98 in): Days with 25 mm or more rain27619843
50 mm (1.97 in): Days with 50 mm or more rain7119701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

  • Data for Gnowellan 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).