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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Cynthia Downs Threshold Days by Year

4 fixed thresholds counted per year at Cynthia Downs (ASN00044159): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cynthia Downs Thresholds

  • Cynthia Downs: days with 10 mm (0.39 in) or more of precipitation in 13 years, most in 1963 with 21.
  • Cynthia Downs: days with 25 mm (0.98 in) or more of precipitation in 13 years, most in 1963 with 8.
  • Cynthia Downs: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1963 with 3.
  • Cynthia Downs: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1959 with 1.
  • 4 fixed thresholds have at least one qualifying day at Cynthia Downs.
13 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Cynthia Downs Days per year at Cynthia Downs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1963. 01020301959: 171960: 131961: 141962: 181963: 211964: 151965: 71966: 101967: 101968: 141969: 151970: 171971: 201959196119631965196719691971
Days per year at Cynthia Downs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1963.
Days with 10 mm (0.39 in) or more of precipitation per year at Cynthia Downs
YearDaysDecade average
19591717
19601313.7
19611413.7
19621813.7
19632113.7
19641513.7
1965713.7
19661013.7
19671013.7
19681413.7
19691513.7
19701718.5
19712018.5
First to last qualifying date each year at Cynthia Downs For each year, a bar from the first to the last day at Cynthia Downs meeting 10 mm (0.39 in). 1959: 22 January 1959 to 7 December 19591960: 22 January 1960 to 14 December 19601961: 2 January 1961 to 18 December 19611962: 1 January 1962 to 14 December 19621963: 8 January 1963 to 29 December 19631964: 13 January 1964 to 22 December 19641965: 26 February 1965 to 14 December 19651966: 6 January 1966 to 1 November 19661967: 25 February 1967 to 29 December 19671968: 4 January 1968 to 5 December 19681969: 17 January 1969 to 13 December 19691970: 10 January 1970 to 27 December 19701971: 14 January 1971 to 27 December 19711959196119631965196719691971JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cynthia Downs meeting 10 mm (0.39 in).
First to last qualifying date each year at Cynthia Downs
YearFirst dateLast date
19591959-01-221959-12-07
19601960-01-221960-12-14
19611961-01-021961-12-18
19621962-01-011962-12-14
19631963-01-081963-12-29
19641964-01-131964-12-22
19651965-02-261965-12-14
19661966-01-061966-11-01
19671967-02-251967-12-29
19681968-01-041968-12-05
19691969-01-171969-12-13
19701970-01-101970-12-27
19711971-01-141971-12-27

Every Fixed Threshold

Fixed thresholds at Cynthia Downs
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1321196320
25 mm (0.98 in): Days with 25 mm or more rain13819638
50 mm (1.97 in): Days with 50 mm or more rain6319631
100 mm (3.94 in): Days with 100 mm or more rain1119591

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

  • Data for Cynthia Downs 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).