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Built 2026-10-15 (15 October 2026)

Mount Denison Threshold Days by Year

4 fixed thresholds counted per year at Mount Denison (ASN00015607): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mount Denison Thresholds

  • Mount Denison: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1974 with 33.
  • Mount Denison: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1974 with 14.
  • Mount Denison: days with 50 mm (1.97 in) or more of precipitation in 28 years, most in 1974 with 5.
  • Mount Denison: days with 100 mm (3.94 in) or more of precipitation in 7 years, most in 1982 with 2.
  • 4 fixed thresholds have at least one qualifying day at Mount Denison.
44 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mount Denison Days per year at Mount Denison with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 33 in 1974. 0102030401966: 111967: 101968: 161969: 101970: 51971: 51973: 191974: 331975: 211976: 101977: 121978: 211979: 91980: 101981: 91982: 151983: 171984: 111985: 71986: 61987: 71988: 81989: 61990: 61991: 101992: 71993: 111994: 21995: 81996: 41997: 131998: 62001: 202002: 62007: 152008: 72009: 52019: 12020: 142022: 132023: 152024: 152025: 92026: 17196619711977198219871992199720082023
Days per year at Mount Denison with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 33 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Mount Denison
YearDaysDecade average
19661111.8
19671011.8
19681611.8
19691011.8
1970515
1971515
19731915
19743315
19752115
19761015
19771215
19782115
1979915
1980109.6
198199.6
1982159.6
1983179.6
1984119.6
198579.6
198669.6
198779.6
198889.6
198969.6
199067.4
1991107.4
199277.4
1993117.4
199427.4
199587.4
199647.4
1997137.4
199867.4
20012010.6
2002610.6
20071510.6
2008710.6
2009510.6
201911
20201413.8
20221313.8
20231513.8
20241513.8
2025913.8
20261713.8
First to last qualifying date each year at Mount Denison For each year, a bar from the first to the last day at Mount Denison meeting 10 mm (0.39 in). 1966: 21 January 1966 to 1 December 19661967: 1 January 1967 to 3 December 19671968: 3 January 1968 to 17 December 19681969: 11 January 1969 to 4 December 19691970: 21 April 1970 to 6 December 19701971: 1 March 1971 to 14 December 19711973: 30 January 1973 to 31 December 19731974: 17 January 1974 to 27 December 19741975: 14 February 1975 to 17 December 19751976: 10 January 1976 to 16 December 19761977: 17 February 1977 to 17 December 19771978: 18 January 1978 to 9 November 19781979: 15 January 1979 to 16 November 19791980: 3 January 1980 to 1 December 19801981: 24 January 1981 to 12 December 19811982: 9 February 1982 to 29 December 19821983: 10 January 1983 to 30 November 19831984: 8 January 1984 to 17 December 19841985: 5 February 1985 to 23 November 19851986: 14 January 1986 to 30 November 19861987: 4 February 1987 to 25 December 19871988: 30 January 1988 to 26 December 19881989: 12 March 1989 to 14 December 19891990: 8 January 1990 to 9 December 19901991: 17 January 1991 to 21 November 19911992: 2 February 1992 to 19 December 19921993: 26 January 1993 to 15 December 19931994: 10 February 1994 to 16 December 19941995: 12 January 1995 to 30 December 19951996: 8 April 1996 to 19 October 19961997: 16 January 1997 to 19 December 19971998: 15 January 1998 to 27 November 19982001: 11 January 2001 to 15 December 20012002: 11 January 2002 to 25 November 20022007: 8 January 2007 to 20 December 20072008: 23 February 2008 to 27 December 20082009: 19 January 2009 to 3 November 20092019: 18 May 2019 to 18 May 20192020: 5 January 2020 to 25 December 20202022: 17 January 2022 to 24 December 20222023: 3 January 2023 to 30 November 20232024: 1 March 2024 to 11 December 20242025: 14 February 2025 to 14 December 20252026: 28 January 2026 to 5 July 202619661973197919851991199720092025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mount Denison meeting 10 mm (0.39 in).
First to last qualifying date each year at Mount Denison
YearFirst dateLast date
19661966-01-211966-12-01
19671967-01-011967-12-03
19681968-01-031968-12-17
19691969-01-111969-12-04
19701970-04-211970-12-06
19711971-03-011971-12-14
19731973-01-301973-12-31
19741974-01-171974-12-27
19751975-02-141975-12-17
19761976-01-101976-12-16
19771977-02-171977-12-17
19781978-01-181978-11-09
19791979-01-151979-11-16
19801980-01-031980-12-01
19811981-01-241981-12-12
19821982-02-091982-12-29
19831983-01-101983-11-30
19841984-01-081984-12-17
19851985-02-051985-11-23
19861986-01-141986-11-30
19871987-02-041987-12-25
19881988-01-301988-12-26
19891989-03-121989-12-14
19901990-01-081990-12-09
19911991-01-171991-11-21
19921992-02-021992-12-19
19931993-01-261993-12-15
19941994-02-101994-12-16
19951995-01-121995-12-30
19961996-04-081996-10-19
19971997-01-161997-12-19
19981998-01-151998-11-27
20012001-01-112001-12-15
20022002-01-112002-11-25
20072007-01-082007-12-20
20082008-02-232008-12-27
20092009-01-192009-11-03
20192019-05-182019-05-18
20202020-01-052020-12-25
20222022-01-172022-12-24
20232023-01-032023-11-30
20242024-03-012024-12-11
20252025-02-142025-12-14
20262026-01-282026-07-05

Every Fixed Threshold

Fixed thresholds at Mount Denison
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4433197417
25 mm (0.98 in): Days with 25 mm or more rain431419749
50 mm (1.97 in): Days with 50 mm or more rain28519744
100 mm (3.94 in): Days with 100 mm or more rain7219821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

  • Data for Mount Denison 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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.

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