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Built 2026-10-19 (19 October 2026)

Wollondilly (Bullio) Threshold Days by Year (ASN00068068)

4 fixed thresholds counted per year at Wollondilly (Bullio) (ASN00068068): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wollondilly (Bullio) Thresholds

  • Wollondilly (Bullio): days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1950 with 53.
  • Wollondilly (Bullio): days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1978 with 16.
  • Wollondilly (Bullio): days with 50 mm (1.97 in) or more of precipitation in 34 years, most in 1963 with 5.
  • Wollondilly (Bullio): days with 100 mm (3.94 in) or more of precipitation in 8 years, most in 1984 with 2.
  • 4 fixed thresholds have at least one qualifying day at Wollondilly (Bullio).
41 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Wollondilly (Bullio) Days per year at Wollondilly (Bullio) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 53 in 1950. 02040601942: 211943: 181944: 111945: 211946: 171947: 281948: 181949: 311950: 531951: 271952: 321953: 171954: 201955: 301957: 151958: 251959: 241960: 241961: 341962: 241963: 321964: 201965: 171966: 261967: 141968: 151969: 261970: 201971: 231972: 161973: 261974: 301975: 241977: 171978: 411979: 101980: 181981: 241982: 91983: 301984: 36194219471952195819631968197319791984
Days per year at Wollondilly (Bullio) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 53 in 1950.
Days with 10 mm (0.39 in) or more of precipitation per year at Wollondilly (Bullio)
YearDaysDecade average
19422120.6
19431820.6
19441120.6
19452120.6
19461720.6
19472820.6
19481820.6
19493120.6
19505327
19512727
19523227
19531727
19542027
19553027
19571527
19582527
19592427
19602423.2
19613423.2
19622423.2
19633223.2
19642023.2
19651723.2
19662623.2
19671423.2
19681523.2
19692623.2
19702023
19712323
19721623
19732623
19743023
19752423
19771723
19784123
19791023
19801823.4
19812423.4
1982923.4
19833023.4
19843623.4
First to last qualifying date each year at Wollondilly (Bullio) For each year, a bar from the first to the last day at Wollondilly (Bullio) meeting 10 mm (0.39 in). 1942: 14 February 1942 to 28 December 19421943: 4 January 1943 to 26 December 19431944: 9 April 1944 to 27 November 19441945: 11 January 1945 to 19 December 19451946: 19 January 1946 to 19 November 19461947: 7 February 1947 to 25 December 19471948: 2 January 1948 to 31 December 19481949: 10 January 1949 to 20 December 19491950: 20 January 1950 to 31 December 19501951: 14 January 1951 to 3 October 19511952: 8 January 1952 to 31 December 19521953: 6 January 1953 to 31 December 19531954: 1 January 1954 to 5 December 19541955: 1 January 1955 to 27 December 19551957: 5 January 1957 to 31 December 19571958: 29 January 1958 to 29 December 19581959: 2 January 1959 to 19 December 19591960: 5 January 1960 to 17 December 19601961: 2 January 1961 to 27 December 19611962: 5 January 1962 to 25 December 19621963: 16 January 1963 to 17 December 19631964: 25 January 1964 to 23 December 19641965: 11 April 1965 to 2 December 19651966: 16 February 1966 to 15 December 19661967: 26 January 1967 to 20 October 19671968: 5 January 1968 to 24 December 19681969: 15 January 1969 to 12 December 19691970: 11 January 1970 to 19 December 19701971: 18 January 1971 to 27 December 19711972: 13 January 1972 to 27 December 19721973: 28 January 1973 to 31 December 19731974: 10 January 1974 to 28 November 19741975: 26 January 1975 to 31 December 19751977: 14 January 1977 to 3 September 19771978: 6 January 1978 to 27 December 19781979: 4 March 1979 to 24 November 19791980: 2 January 1980 to 14 December 19801981: 22 January 1981 to 28 December 19811982: 18 January 1982 to 17 November 19821983: 3 January 1983 to 27 December 19831984: 1 January 1984 to 30 December 19841942194819541961196719731980JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wollondilly (Bullio) meeting 10 mm (0.39 in).
First to last qualifying date each year at Wollondilly (Bullio)
YearFirst dateLast date
19421942-02-141942-12-28
19431943-01-041943-12-26
19441944-04-091944-11-27
19451945-01-111945-12-19
19461946-01-191946-11-19
19471947-02-071947-12-25
19481948-01-021948-12-31
19491949-01-101949-12-20
19501950-01-201950-12-31
19511951-01-141951-10-03
19521952-01-081952-12-31
19531953-01-061953-12-31
19541954-01-011954-12-05
19551955-01-011955-12-27
19571957-01-051957-12-31
19581958-01-291958-12-29
19591959-01-021959-12-19
19601960-01-051960-12-17
19611961-01-021961-12-27
19621962-01-051962-12-25
19631963-01-161963-12-17
19641964-01-251964-12-23
19651965-04-111965-12-02
19661966-02-161966-12-15
19671967-01-261967-10-20
19681968-01-051968-12-24
19691969-01-151969-12-12
19701970-01-111970-12-19
19711971-01-181971-12-27
19721972-01-131972-12-27
19731973-01-281973-12-31
19741974-01-101974-11-28
19751975-01-261975-12-31
19771977-01-141977-09-03
19781978-01-061978-12-27
19791979-03-041979-11-24
19801980-01-021980-12-14
19811981-01-221981-12-28
19821982-01-181982-11-17
19831983-01-031983-12-27
19841984-01-011984-12-30

Every Fixed Threshold

Fixed thresholds at Wollondilly (Bullio)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4153195036
25 mm (0.98 in): Days with 25 mm or more rain4116197811
50 mm (1.97 in): Days with 50 mm or more rain34519635
100 mm (3.94 in): Days with 100 mm or more rain8219842

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

  • Data for Wollondilly (Bullio) 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 (2025-12-31).