Built 2026-10-17 (17 October 2026)

Yallourn Sec Threshold Days by Year

11 fixed thresholds counted per year at Yallourn Sec (ASN00085103): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Yallourn Sec Thresholds

  • Yallourn Sec: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1952 with 50.
  • Yallourn Sec: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1951 with 8.
  • Yallourn Sec: days with a maximum temperature at or above 30 C (86 F) in 29 years, most in 1982 with 32.
  • Yallourn Sec: days with a maximum temperature at or above 90 F (32.2 C) in 29 years, most in 1968 with 21.
  • 11 fixed thresholds have at least one qualifying day at Yallourn Sec.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at Yallourn Sec Days per year at Yallourn Sec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 32 in 1982. 0102030401957: 151958: 81959: 201960: 251961: 291962: 211963: 211964: 161965: 241966: 201967: 211968: 301969: 221970: 151971: 191972: 231973: 181974: 201975: 141976: 141977: 201978: 171979: 291980: 241981: 231982: 321983: 251984: 71985: 161957196019631966196919721975197819811984
Days per year at Yallourn Sec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 32 in 1982.
Days at or above 30 C (86 F) per year at Yallourn Sec
YearDaysDecade average
19571514.3
1958814.3
19592014.3
19602522.9
19612922.9
19622122.9
19632122.9
19641622.9
19652422.9
19662022.9
19672122.9
19683022.9
19692222.9
19701518.9
19711918.9
19722318.9
19731818.9
19742018.9
19751418.9
19761418.9
19772018.9
19781718.9
19792918.9
19802421.2
19812321.2
19823221.2
19832521.2
1984721.2
19851621.2
First to last qualifying date each year at Yallourn Sec For each year, a bar from the first to the last day at Yallourn Sec meeting 30 C (86 F). 1957: 2 January 1957 to 28 December 19571958: 9 January 1958 to 9 December 19581959: 14 January 1959 to 17 December 19591960: 7 January 1960 to 31 December 19601961: 8 January 1961 to 28 December 19611962: 8 January 1962 to 30 December 19621963: 9 January 1963 to 28 December 19631964: 5 January 1964 to 21 December 19641965: 16 January 1965 to 30 December 19651966: 8 January 1966 to 25 December 19661967: 6 January 1967 to 27 December 19671968: 9 January 1968 to 23 December 19681969: 7 January 1969 to 28 December 19691970: 23 January 1970 to 27 December 19701971: 8 January 1971 to 26 December 19711972: 9 January 1972 to 29 December 19721973: 1 January 1973 to 21 December 19731974: 3 January 1974 to 27 December 19741975: 8 January 1975 to 12 December 19751976: 4 January 1976 to 22 December 19761977: 9 January 1977 to 24 December 19771978: 1 January 1978 to 26 November 19781979: 1 January 1979 to 30 December 19791980: 17 January 1980 to 31 December 19801981: 1 January 1981 to 31 December 19811982: 10 January 1982 to 31 December 19821983: 8 January 1983 to 30 December 19831984: 6 February 1984 to 26 November 19841985: 13 January 1985 to 15 March 198519571961196519691973197719811985JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Yallourn Sec meeting 30 C (86 F).
First to last qualifying date each year at Yallourn Sec
YearFirst dateLast date
19571957-01-021957-12-28
19581958-01-091958-12-09
19591959-01-141959-12-17
19601960-01-071960-12-31
19611961-01-081961-12-28
19621962-01-081962-12-30
19631963-01-091963-12-28
19641964-01-051964-12-21
19651965-01-161965-12-30
19661966-01-081966-12-25
19671967-01-061967-12-27
19681968-01-091968-12-23
19691969-01-071969-12-28
19701970-01-231970-12-27
19711971-01-081971-12-26
19721972-01-091972-12-29
19731973-01-011973-12-21
19741974-01-031974-12-27
19751975-01-081975-12-12
19761976-01-041976-12-22
19771977-01-091977-12-24
19781978-01-011978-11-26
19791979-01-011979-12-30
19801980-01-171980-12-31
19811981-01-011981-12-31
19821982-01-101982-12-31
19831983-01-081983-12-30
19841984-02-061984-11-26
19851985-01-131985-03-15

Every Fixed Threshold

Fixed thresholds at Yallourn Sec
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2932198216
35 C (95 F): Days251119683
40 C (104 F): Days5319833
90 F (32.2 C): Days2921196810
100 F (37.8 C): Days16419681
0 C (32 F): Frost days (min20719651
20 C (68 F): Tropical nights (min14819591
10 mm (0.39 in): Days with 10 mm or more rain4150195233
25 mm (0.98 in): Days with 25 mm or more rain41819515
50 mm (1.97 in): Days with 50 mm or more rain12219511
100 mm (3.94 in): Days with 100 mm or more rain1119511

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.

Download the Data

  • Data for Yallourn Sec 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).