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Built 2026-10-17 (17 October 2026)

Slogan Downs Threshold Days by Year

5 fixed thresholds counted per year at Slogan Downs (ASN00034051): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Slogan Downs Thresholds

  • Slogan Downs: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1974 with 35.
  • Slogan Downs: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1974 with 18.
  • Slogan Downs: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 2000 with 6.
  • Slogan Downs: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1977 with 1.
  • 5 fixed thresholds have at least one qualifying day at Slogan Downs.
36 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Slogan Downs Days per year at Slogan Downs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1974. 0102030401973: 201974: 351975: 231976: 241977: 141978: 161979: 131980: 161981: 251982: 101983: 191984: 251985: 131986: 121987: 151988: 211989: 211990: 151991: 161992: 91993: 101994: 71995: 151996: 91997: 191998: 241999: 222000: 282003: 122004: 42006: 112008: 162023: 212024: 232025: 252026: 13197319771981198519891993199720032023
Days per year at Slogan Downs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Slogan Downs
YearDaysDecade average
19732020.7
19743520.7
19752320.7
19762420.7
19771420.7
19781620.7
19791320.7
19801617.7
19812517.7
19821017.7
19831917.7
19842517.7
19851317.7
19861217.7
19871517.7
19882117.7
19892117.7
19901514.6
19911614.6
1992914.6
19931014.6
1994714.6
19951514.6
1996914.6
19971914.6
19982414.6
19992214.6
20002814.2
20031214.2
2004414.2
20061114.2
20081614.2
20232120.5
20242320.5
20252520.5
20261320.5
First to last qualifying date each year at Slogan Downs For each year, a bar from the first to the last day at Slogan Downs meeting 10 mm (0.39 in). 1973: 9 January 1973 to 26 December 19731974: 2 January 1974 to 30 December 19741975: 5 January 1975 to 30 December 19751976: 14 January 1976 to 22 December 19761977: 6 January 1977 to 16 May 19771978: 7 January 1978 to 22 December 19781979: 26 January 1979 to 30 December 19791980: 5 January 1980 to 5 December 19801981: 10 January 1981 to 25 December 19811982: 20 January 1982 to 23 April 19821983: 2 January 1983 to 3 December 19831984: 1 January 1984 to 23 December 19841985: 24 January 1985 to 31 December 19851986: 2 January 1986 to 4 December 19861987: 5 January 1987 to 29 December 19871988: 8 February 1988 to 27 December 19881989: 3 January 1989 to 25 November 19891990: 16 January 1990 to 29 December 19901991: 3 January 1991 to 19 December 19911992: 4 January 1992 to 17 December 19921993: 5 January 1993 to 23 November 19931994: 31 January 1994 to 6 December 19941995: 20 January 1995 to 12 December 19951996: 4 January 1996 to 20 December 19961997: 27 January 1997 to 30 December 19971998: 9 January 1998 to 30 December 19981999: 13 January 1999 to 27 December 19992000: 7 January 2000 to 29 December 20002003: 8 February 2003 to 28 December 20032004: 2 February 2004 to 27 December 20042006: 21 January 2006 to 11 June 20062008: 12 January 2008 to 29 November 20082023: 5 January 2023 to 22 December 20232024: 1 January 2024 to 29 December 20242025: 1 February 2025 to 28 December 20252026: 5 January 2026 to 22 March 202619731978198319881993199820062026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Slogan Downs meeting 10 mm (0.39 in).
First to last qualifying date each year at Slogan Downs
YearFirst dateLast date
19731973-01-091973-12-26
19741974-01-021974-12-30
19751975-01-051975-12-30
19761976-01-141976-12-22
19771977-01-061977-05-16
19781978-01-071978-12-22
19791979-01-261979-12-30
19801980-01-051980-12-05
19811981-01-101981-12-25
19821982-01-201982-04-23
19831983-01-021983-12-03
19841984-01-011984-12-23
19851985-01-241985-12-31
19861986-01-021986-12-04
19871987-01-051987-12-29
19881988-02-081988-12-27
19891989-01-031989-11-25
19901990-01-161990-12-29
19911991-01-031991-12-19
19921992-01-041992-12-17
19931993-01-051993-11-23
19941994-01-311994-12-06
19951995-01-201995-12-12
19961996-01-041996-12-20
19971997-01-271997-12-30
19981998-01-091998-12-30
19991999-01-131999-12-27
20002000-01-072000-12-29
20032003-02-082003-12-28
20042004-02-022004-12-27
20062006-01-212006-06-11
20082008-01-122008-11-29
20232023-01-052023-12-22
20242024-01-012024-12-29
20252025-02-012025-12-28
20262026-01-052026-03-22

Every Fixed Threshold

Fixed thresholds at Slogan Downs
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3635197413
25 mm (0.98 in): Days with 25 mm or more rain361819745
50 mm (1.97 in): Days with 50 mm or more rain27620003
100 mm (3.94 in): Days with 100 mm or more rain6119771
200 mm (7.87 in): Days with 200 mm or more rain1120231

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

  • Data for Slogan 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-12).