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Built 2026-10-17 (17 October 2026)

Wiley Park (Roselands) Threshold Days by Year

4 fixed thresholds counted per year at Wiley Park (Roselands) (ASN00066076): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wiley Park (Roselands) Thresholds

  • Wiley Park (Roselands): days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1963 with 43.
  • Wiley Park (Roselands): days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1963 with 23.
  • Wiley Park (Roselands): days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 1963 with 7.
  • Wiley Park (Roselands): days with 100 mm (3.94 in) or more of precipitation in 17 years, most in 1954 with 2.
  • 4 fixed thresholds have at least one qualifying day at Wiley Park (Roselands).
33 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Wiley Park (Roselands) Days per year at Wiley Park (Roselands) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1963. 02040601949: 351953: 191954: 261955: 351956: 311957: 151958: 271959: 281960: 311961: 261962: 281963: 431964: 221965: 191966: 251967: 251968: 141969: 311970: 241971: 261972: 211973: 361974: 271975: 221976: 401977: 241978: 381979: 151980: 191981: 271982: 231983: 301984: 34194919561960196419681972197619801984
Days per year at Wiley Park (Roselands) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1963.
Days with 10 mm (0.39 in) or more of precipitation per year at Wiley Park (Roselands)
YearDaysDecade average
19493535
19531925.9
19542625.9
19553525.9
19563125.9
19571525.9
19582725.9
19592825.9
19603126.4
19612626.4
19622826.4
19634326.4
19642226.4
19651926.4
19662526.4
19672526.4
19681426.4
19693126.4
19702427.3
19712627.3
19722127.3
19733627.3
19742727.3
19752227.3
19764027.3
19772427.3
19783827.3
19791527.3
19801926.6
19812726.6
19822326.6
19833026.6
19843426.6
First to last qualifying date each year at Wiley Park (Roselands) For each year, a bar from the first to the last day at Wiley Park (Roselands) meeting 10 mm (0.39 in). 1949: 9 January 1949 to 20 December 19491953: 3 January 1953 to 5 November 19531954: 1 January 1954 to 17 December 19541955: 24 January 1955 to 27 December 19551956: 21 January 1956 to 3 December 19561957: 23 January 1957 to 31 December 19571958: 11 January 1958 to 17 October 19581959: 4 January 1959 to 8 December 19591960: 5 January 1960 to 19 December 19601961: 3 January 1961 to 27 December 19611962: 8 January 1962 to 25 December 19621963: 16 January 1963 to 17 December 19631964: 21 February 1964 to 23 December 19641965: 25 January 1965 to 28 October 19651966: 16 February 1966 to 7 December 19661967: 26 January 1967 to 16 November 19671968: 5 January 1968 to 5 December 19681969: 2 January 1969 to 17 November 19691970: 11 January 1970 to 30 December 19701971: 20 January 1971 to 15 December 19711972: 7 January 1972 to 27 December 19721973: 8 January 1973 to 5 December 19731974: 11 January 1974 to 18 November 19741975: 4 January 1975 to 4 November 19751976: 10 January 1976 to 16 December 19761977: 5 January 1977 to 28 September 19771978: 4 January 1978 to 29 December 19781979: 3 January 1979 to 24 November 19791980: 2 January 1980 to 30 December 19801981: 8 January 1981 to 26 December 19811982: 16 January 1982 to 4 December 19821983: 14 February 1983 to 29 December 19831984: 2 January 1984 to 12 November 19841949195719621967197219771982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wiley Park (Roselands) meeting 10 mm (0.39 in).
First to last qualifying date each year at Wiley Park (Roselands)
YearFirst dateLast date
19491949-01-091949-12-20
19531953-01-031953-11-05
19541954-01-011954-12-17
19551955-01-241955-12-27
19561956-01-211956-12-03
19571957-01-231957-12-31
19581958-01-111958-10-17
19591959-01-041959-12-08
19601960-01-051960-12-19
19611961-01-031961-12-27
19621962-01-081962-12-25
19631963-01-161963-12-17
19641964-02-211964-12-23
19651965-01-251965-10-28
19661966-02-161966-12-07
19671967-01-261967-11-16
19681968-01-051968-12-05
19691969-01-021969-11-17
19701970-01-111970-12-30
19711971-01-201971-12-15
19721972-01-071972-12-27
19731973-01-081973-12-05
19741974-01-111974-11-18
19751975-01-041975-11-04
19761976-01-101976-12-16
19771977-01-051977-09-28
19781978-01-041978-12-29
19791979-01-031979-11-24
19801980-01-021980-12-30
19811981-01-081981-12-26
19821982-01-161982-12-04
19831983-02-141983-12-29
19841984-01-021984-11-12

Every Fixed Threshold

Fixed thresholds at Wiley Park (Roselands)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3343196334
25 mm (0.98 in): Days with 25 mm or more rain3323196312
50 mm (1.97 in): Days with 50 mm or more rain31719633
100 mm (3.94 in): Days with 100 mm or more rain17219541

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Wiley Park (Roselands) 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).