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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Riversdale Threshold Days by Year (SF000104560)

11 fixed thresholds counted per year at Riversdale (SF000104560): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Riversdale Thresholds

  • Riversdale: days with 10 mm (0.39 in) or more of precipitation in 73 years, most in 1888 with 23.
  • Riversdale: days with 25 mm (0.98 in) or more of precipitation in 65 years, most in 1892 with 7.
  • Riversdale: days with 50 mm (1.97 in) or more of precipitation in 25 years, most in 1892 with 2.
  • Riversdale: days with a maximum temperature at or above 30 C (86 F) in 16 years, most in 2017 with 107.
  • 11 fixed thresholds have at least one qualifying day at Riversdale.
16 years with a qualifying day
Days at or above 30 C (86 F) per year at Riversdale Days per year at Riversdale with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 107 in 2017. 0501001502008: 682009: 672010: 702011: 832014: 832015: 792016: 802017: 1072018: 812019: 992020: 892021: 762022: 852023: 582024: 942026: 3720082010201420162018202020222024
Days per year at Riversdale with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 107 in 2017.
Days at or above 30 C (86 F) per year at Riversdale
YearDaysDecade average
20086867.5
20096767.5
20107085.3
20118385.3
20148385.3
20157985.3
20168085.3
201710785.3
20188185.3
20199985.3
20208973.2
20217673.2
20228573.2
20235873.2
20249473.2
20263773.2
First to last qualifying date each year at Riversdale For each year, a bar from the first to the last day at Riversdale meeting 30 C (86 F). 2008: 5 January 2008 to 23 December 20082009: 7 January 2009 to 31 December 20092010: 2 January 2010 to 19 December 20102011: 4 January 2011 to 21 December 20112014: 1 January 2014 to 26 December 20142015: 1 January 2015 to 31 December 20152016: 1 January 2016 to 30 December 20162017: 1 January 2017 to 31 December 20172018: 3 January 2018 to 31 December 20182019: 1 January 2019 to 24 December 20192020: 4 January 2020 to 31 December 20202021: 3 January 2021 to 31 December 20212022: 1 January 2022 to 28 December 20222023: 3 January 2023 to 23 December 20232024: 2 January 2024 to 31 December 20242026: 1 January 2026 to 5 October 202620082010201420162018202020222024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Riversdale meeting 30 C (86 F).
First to last qualifying date each year at Riversdale
YearFirst dateLast date
20082008-01-052008-12-23
20092009-01-072009-12-31
20102010-01-022010-12-19
20112011-01-042011-12-21
20142014-01-012014-12-26
20152015-01-012015-12-31
20162016-01-012016-12-30
20172017-01-012017-12-31
20182018-01-032018-12-31
20192019-01-012019-12-24
20202020-01-042020-12-31
20212021-01-032021-12-31
20222022-01-012022-12-28
20232023-01-032023-12-23
20242024-01-022024-12-31
20262026-01-012026-10-05

Every Fixed Threshold

Fixed thresholds at Riversdale
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days16107201737
35 C (95 F): Days162220095
40 C (104 F): Days12420244
90 F (32.2 C): Days1652201819
100 F (37.8 C): Days161020181
0 C (32 F): Frost days (min2220162
20 C (68 F): Tropical nights (min1614201027
10 mm (0.39 in): Days with 10 mm or more rain732318885
25 mm (0.98 in): Days with 25 mm or more rain65718923
50 mm (1.97 in): Days with 50 mm or more rain25218921
100 mm (3.94 in): Days with 100 mm or more rain5219622

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2008.

Download the Data

  • Data for Riversdale 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 (2026-10-17).