Built 2026-10-17 (17 October 2026)

Koombooloomba Dam Threshold Days by Year

12 fixed thresholds counted per year at Koombooloomba Dam (ASN00031083): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Koombooloomba Dam Thresholds

  • Koombooloomba Dam: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1973 with 101.
  • Koombooloomba Dam: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1975 with 49.
  • Koombooloomba Dam: days with 50 mm (1.97 in) or more of precipitation in 37 years, most in 1985 with 17.
  • Koombooloomba Dam: days with 100 mm (3.94 in) or more of precipitation in 29 years, most in 1979 with 7.
  • 12 fixed thresholds have at least one qualifying day at Koombooloomba Dam.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at Koombooloomba Dam Days per year at Koombooloomba Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 67 in 1992. 0204060801973: 411974: 321975: 241976: 661977: 271978: 331979: 411980: 521981: 361982: 251983: 431984: 311985: 551986: 411987: 421988: 261989: 281990: 431991: 481992: 671993: 191994: 281995: 331996: 3119731976197919821985198819911994
Days per year at Koombooloomba Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 67 in 1992.
Days at or above 30 C (86 F) per year at Koombooloomba Dam
YearDaysDecade average
19734137.7
19743237.7
19752437.7
19766637.7
19772737.7
19783337.7
19794137.7
19805237.9
19813637.9
19822537.9
19834337.9
19843137.9
19855537.9
19864137.9
19874237.9
19882637.9
19892837.9
19904338.4
19914838.4
19926738.4
19931938.4
19942838.4
19953338.4
19963138.4
First to last qualifying date each year at Koombooloomba Dam For each year, a bar from the first to the last day at Koombooloomba Dam meeting 30 C (86 F). 1973: 1 January 1973 to 20 December 19731974: 1 January 1974 to 28 December 19741975: 4 January 1975 to 18 December 19751976: 9 January 1976 to 28 December 19761977: 4 January 1977 to 29 December 19771978: 4 January 1978 to 30 December 19781979: 16 January 1979 to 26 December 19791980: 8 January 1980 to 31 December 19801981: 1 January 1981 to 31 December 19811982: 2 January 1982 to 20 December 19821983: 8 January 1983 to 7 December 19831984: 3 January 1984 to 31 December 19841985: 1 January 1985 to 31 December 19851986: 1 January 1986 to 31 December 19861987: 3 January 1987 to 25 December 19871988: 16 January 1988 to 21 December 19881989: 2 January 1989 to 29 December 19891990: 16 January 1990 to 30 December 19901991: 4 January 1991 to 31 December 19911992: 1 January 1992 to 12 December 19921993: 28 February 1993 to 29 December 19931994: 3 January 1994 to 27 December 19941995: 18 January 1995 to 24 December 19951996: 9 January 1996 to 31 December 199619731976197919821985198819911994JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Koombooloomba Dam meeting 30 C (86 F).
First to last qualifying date each year at Koombooloomba Dam
YearFirst dateLast date
19731973-01-011973-12-20
19741974-01-011974-12-28
19751975-01-041975-12-18
19761976-01-091976-12-28
19771977-01-041977-12-29
19781978-01-041978-12-30
19791979-01-161979-12-26
19801980-01-081980-12-31
19811981-01-011981-12-31
19821982-01-021982-12-20
19831983-01-081983-12-07
19841984-01-031984-12-31
19851985-01-011985-12-31
19861986-01-011986-12-31
19871987-01-031987-12-25
19881988-01-161988-12-21
19891989-01-021989-12-29
19901990-01-161990-12-30
19911991-01-041991-12-31
19921992-01-011992-12-12
19931993-02-281993-12-29
19941994-01-031994-12-27
19951995-01-181995-12-24
19961996-01-091996-12-31

Every Fixed Threshold

Fixed thresholds at Koombooloomba Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2467199231
35 C (95 F): Days13819921
90 F (32.2 C): Days243619926
100 F (37.8 C): Days2119901
0 C (32 F): Frost days (min3619846
20 C (68 F): Tropical nights (min2483197327
25 C (77 F): Days with min1119741
10 mm (0.39 in): Days with 10 mm or more rain37101197372
25 mm (0.98 in): Days with 25 mm or more rain3749197529
50 mm (1.97 in): Days with 50 mm or more rain3717198510
100 mm (3.94 in): Days with 100 mm or more rain29719795
200 mm (7.87 in): Days with 200 mm or more rain7419771

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

  • Data for Koombooloomba Dam 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-16).