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Data as of 2026-10-12
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Built 2026-10-19 (19 October 2026)

Ross River Threshold Days by Year (ASN00015616)

4 fixed thresholds counted per year at Ross River (ASN00015616): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ross River Thresholds

  • Ross River: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1974 with 28.
  • Ross River: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 1974 with 14.
  • Ross River: days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1974 with 6.
  • Ross River: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1976 with 2.
  • 4 fixed thresholds have at least one qualifying day at Ross River.
25 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Ross River Days per year at Ross River with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 28 in 1974. 01020301967: 41968: 131969: 71970: 51974: 281975: 191976: 161977: 121978: 141979: 131991: 91995: 121996: 42000: 232001: 192003: 42018: 52019: 22020: 112021: 122022: 162023: 82024: 112025: 72026: 15196719701976197919962003202020232026
Days per year at Ross River with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 28 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Ross River
YearDaysDecade average
196748
1968138
196978
1970515.3
19742815.3
19751915.3
19761615.3
19771215.3
19781415.3
19791315.3
199198.3
1995128.3
199648.3
20002315.3
20011915.3
2003415.3
201853.5
201923.5
20201111.4
20211211.4
20221611.4
2023811.4
20241111.4
2025711.4
20261511.4
First to last qualifying date each year at Ross River For each year, a bar from the first to the last day at Ross River meeting 10 mm (0.39 in). 1967: 5 February 1967 to 20 May 19671968: 3 January 1968 to 3 December 19681969: 10 February 1969 to 23 December 19691970: 22 April 1970 to 6 December 19701974: 12 January 1974 to 25 December 19741975: 12 February 1975 to 16 December 19751976: 6 January 1976 to 25 November 19761977: 17 February 1977 to 15 December 19771978: 17 January 1978 to 19 November 19781979: 17 January 1979 to 31 December 19791991: 23 January 1991 to 2 November 19911995: 12 January 1995 to 30 December 19951996: 5 October 1996 to 7 December 19962000: 27 January 2000 to 23 December 20002001: 28 January 2001 to 26 December 20012003: 14 February 2003 to 21 November 20032018: 12 January 2018 to 20 November 20182019: 18 May 2019 to 24 September 20192020: 30 January 2020 to 23 December 20202021: 27 January 2021 to 6 December 20212022: 16 January 2022 to 23 December 20222023: 8 January 2023 to 1 December 20232024: 18 January 2024 to 27 December 20242025: 26 March 2025 to 3 November 20252026: 6 February 2026 to 18 May 20261967197419781996201820222026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ross River meeting 10 mm (0.39 in).
First to last qualifying date each year at Ross River
YearFirst dateLast date
19671967-02-051967-05-20
19681968-01-031968-12-03
19691969-02-101969-12-23
19701970-04-221970-12-06
19741974-01-121974-12-25
19751975-02-121975-12-16
19761976-01-061976-11-25
19771977-02-171977-12-15
19781978-01-171978-11-19
19791979-01-171979-12-31
19911991-01-231991-11-02
19951995-01-121995-12-30
19961996-10-051996-12-07
20002000-01-272000-12-23
20012001-01-282001-12-26
20032003-02-142003-11-21
20182018-01-122018-11-20
20192019-05-182019-09-24
20202020-01-302020-12-23
20212021-01-272021-12-06
20222022-01-162022-12-23
20232023-01-082023-12-01
20242024-01-182024-12-27
20252025-03-262025-11-03
20262026-02-062026-05-18

Every Fixed Threshold

Fixed thresholds at Ross River
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2528197415
25 mm (0.98 in): Days with 25 mm or more rain231419745
50 mm (1.97 in): Days with 50 mm or more rain17619743
100 mm (3.94 in): Days with 100 mm or more rain1219762

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1967.

Download the Data

  • Data for Ross River 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 (2026-10-12).