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Built 2026-10-17 (17 October 2026)

Mount Dandenong Gtv9 Threshold Days by Year

11 fixed thresholds counted per year at Mount Dandenong Gtv9 (ASN00086243): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mount Dandenong Gtv9 Thresholds

  • Mount Dandenong Gtv9: days with 10 mm (0.39 in) or more of precipitation in 21 years, most in 1978 with 56.
  • Mount Dandenong Gtv9: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 1982 with 13.
  • Mount Dandenong Gtv9: days with a maximum temperature at or above 30 C (86 F) in 19 years, most in 1968 with 20.
  • Mount Dandenong Gtv9: days with a maximum temperature at or above 90 F (32.2 C) in 17 years, most in 1968 with 12.
  • 11 fixed thresholds have at least one qualifying day at Mount Dandenong Gtv9.
19 years with a qualifying day
Days at or above 30 C (86 F) per year at Mount Dandenong Gtv9 Days per year at Mount Dandenong Gtv9 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 20 in 1968. 051015201968: 201969: 121970: 51971: 91972: 91973: 121974: 101975: 61976: 71977: 71978: 41979: 91980: 121981: 151982: 171983: 161984: 11985: 61986: 51968197019721974197619781980198219841986
Days per year at Mount Dandenong Gtv9 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 20 in 1968.
Days at or above 30 C (86 F) per year at Mount Dandenong Gtv9
YearDaysDecade average
19682016
19691216
197057.8
197197.8
197297.8
1973127.8
1974107.8
197567.8
197677.8
197777.8
197847.8
197997.8
19801210.3
19811510.3
19821710.3
19831610.3
1984110.3
1985610.3
1986510.3
First to last qualifying date each year at Mount Dandenong Gtv9 For each year, a bar from the first to the last day at Mount Dandenong Gtv9 meeting 30 C (86 F). 1968: 9 January 1968 to 14 December 19681969: 8 January 1969 to 28 December 19691970: 5 February 1970 to 27 December 19701971: 7 January 1971 to 28 February 19711972: 31 January 1972 to 20 December 19721973: 2 January 1973 to 29 December 19731974: 3 January 1974 to 11 March 19741975: 20 January 1975 to 11 December 19751976: 3 January 1976 to 31 December 19761977: 9 January 1977 to 24 December 19771978: 1 January 1978 to 11 March 19781979: 1 January 1979 to 30 December 19791980: 1 February 1980 to 28 December 19801981: 1 January 1981 to 28 February 19811982: 10 January 1982 to 31 December 19821983: 8 January 1983 to 20 December 19831984: 6 February 1984 to 6 February 19841985: 13 January 1985 to 13 March 19851986: 8 February 1986 to 20 March 19861968197119741977198019831986JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mount Dandenong Gtv9 meeting 30 C (86 F).
First to last qualifying date each year at Mount Dandenong Gtv9
YearFirst dateLast date
19681968-01-091968-12-14
19691969-01-081969-12-28
19701970-02-051970-12-27
19711971-01-071971-02-28
19721972-01-311972-12-20
19731973-01-021973-12-29
19741974-01-031974-03-11
19751975-01-201975-12-11
19761976-01-031976-12-31
19771977-01-091977-12-24
19781978-01-011978-03-11
19791979-01-011979-12-30
19801980-02-011980-12-28
19811981-01-011981-02-28
19821982-01-101982-12-31
19831983-01-081983-12-20
19841984-02-061984-02-06
19851985-01-131985-03-13
19861986-02-081986-03-20

Every Fixed Threshold

Fixed thresholds at Mount Dandenong Gtv9
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days192019685
35 C (95 F): Days10419681
90 F (32.2 C): Days171219682
100 F (37.8 C): Days1219682
0 C (32 F): Frost days (min12819824
20 C (68 F): Tropical nights (min171119811
25 C (77 F): Days with min2119791
10 mm (0.39 in): Days with 10 mm or more rain2156197838
25 mm (0.98 in): Days with 25 mm or more rain211319825
50 mm (1.97 in): Days with 50 mm or more rain12319742
100 mm (3.94 in): Days with 100 mm or more rain3119731

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Mount Dandenong Gtv9 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 (2026-10-15).