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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Sydney (Hornby Light) Threshold Days by Year

4 fixed thresholds counted per year at Sydney (Hornby Light) (ASN00066095): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sydney (Hornby Light) Thresholds

  • Sydney (Hornby Light): days with 10 mm (0.39 in) or more of precipitation in 13 years, most in 1913 with 46.
  • Sydney (Hornby Light): days with 25 mm (0.98 in) or more of precipitation in 13 years, most in 1843 with 21.
  • Sydney (Hornby Light): days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1843 with 10.
  • Sydney (Hornby Light): days with 100 mm (3.94 in) or more of precipitation in 7 years, most in 1843 with 1.
  • 4 fixed thresholds have at least one qualifying day at Sydney (Hornby Light).
13 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Sydney (Hornby Light) Days per year at Sydney (Hornby Light) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 46 in 1913. 02040601843: 361845: 401908: 401909: 291910: 321911: 341912: 381913: 461914: 401915: 291916: 321917: 361918: 331843190819101912191419161918
Days per year at Sydney (Hornby Light) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 46 in 1913.
Days with 10 mm (0.39 in) or more of precipitation per year at Sydney (Hornby Light)
YearDaysDecade average
18433638
18454038
19084034.5
19092934.5
19103235.6
19113435.6
19123835.6
19134635.6
19144035.6
19152935.6
19163235.6
19173635.6
19183335.6
First to last qualifying date each year at Sydney (Hornby Light) For each year, a bar from the first to the last day at Sydney (Hornby Light) meeting 10 mm (0.39 in). 1843: 30 January 1843 to 18 December 18431845: 12 January 1845 to 10 December 18451908: 29 January 1908 to 21 December 19081909: 17 January 1909 to 23 December 19091910: 11 January 1910 to 20 December 19101911: 12 January 1911 to 2 December 19111912: 6 January 1912 to 13 December 19121913: 4 January 1913 to 13 November 19131914: 20 March 1914 to 31 December 19141915: 9 January 1915 to 18 December 19151916: 29 January 1916 to 14 December 19161917: 2 January 1917 to 3 December 19171918: 11 January 1918 to 28 December 19181843190819101912191419161918JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sydney (Hornby Light) meeting 10 mm (0.39 in).
First to last qualifying date each year at Sydney (Hornby Light)
YearFirst dateLast date
18431843-01-301843-12-18
18451845-01-121845-12-10
19081908-01-291908-12-21
19091909-01-171909-12-23
19101910-01-111910-12-20
19111911-01-121911-12-02
19121912-01-061912-12-13
19131913-01-041913-11-13
19141914-03-201914-12-31
19151915-01-091915-12-18
19161916-01-291916-12-14
19171917-01-021917-12-03
19181918-01-111918-12-28

Every Fixed Threshold

Fixed thresholds at Sydney (Hornby Light)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1346191333
25 mm (0.98 in): Days with 25 mm or more rain1321184311
50 mm (1.97 in): Days with 50 mm or more rain121018435
100 mm (3.94 in): Days with 100 mm or more rain7118431

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1843.

Download the Data

  • Data for Sydney (Hornby Light) 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 (2025-12-31).