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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Deep Well Threshold Days by Year (ASN00015645)

4 fixed thresholds counted per year at Deep Well (ASN00015645): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Deep Well Thresholds

  • Deep Well: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1974 with 19.
  • Deep Well: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1976 with 9.
  • Deep Well: days with 50 mm (1.97 in) or more of precipitation in 15 years, most in 1976 with 3.
  • Deep Well: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1976 with 2.
  • 4 fixed thresholds have at least one qualifying day at Deep Well.
38 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Deep Well Days per year at Deep Well with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 19 in 1974. 051015201966: 71968: 81969: 11970: 21971: 41972: 41973: 91974: 191975: 121976: 151977: 91978: 101979: 71980: 41981: 101982: 81983: 111984: 51985: 21986: 81987: 21988: 51989: 11990: 51991: 51992: 71993: 81995: 131997: 101998: 71999: 52000: 112001: 162002: 62003: 42004: 72005: 52006: 31966197119751979198319871991199720012005
Days per year at Deep Well with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 19 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Deep Well
YearDaysDecade average
196675.3
196885.3
196915.3
197029.1
197149.1
197249.1
197399.1
1974199.1
1975129.1
1976159.1
197799.1
1978109.1
197979.1
198045.6
1981105.6
198285.6
1983115.6
198455.6
198525.6
198685.6
198725.6
198855.6
198915.6
199057.5
199157.5
199277.5
199387.5
1995137.5
1997107.5
199877.5
199957.5
2000117.4
2001167.4
200267.4
200347.4
200477.4
200557.4
200637.4
First to last qualifying date each year at Deep Well For each year, a bar from the first to the last day at Deep Well meeting 10 mm (0.39 in). 1966: 12 January 1966 to 1 December 19661968: 3 January 1968 to 3 December 19681969: 10 March 1969 to 10 March 19691970: 22 April 1970 to 5 December 19701971: 6 August 1971 to 13 December 19711972: 2 March 1972 to 6 March 19721973: 14 June 1973 to 30 December 19731974: 16 January 1974 to 26 December 19741975: 23 February 1975 to 18 December 19751976: 4 January 1976 to 18 November 19761977: 1 January 1977 to 30 November 19771978: 20 January 1978 to 9 November 19781979: 21 January 1979 to 26 May 19791980: 1 January 1980 to 23 October 19801981: 25 January 1981 to 12 December 19811982: 10 February 1982 to 27 December 19821983: 4 March 1983 to 30 November 19831984: 9 January 1984 to 17 December 19841985: 1 June 1985 to 22 November 19851986: 21 June 1986 to 4 December 19861987: 21 June 1987 to 28 December 19871988: 7 January 1988 to 13 March 19881989: 9 January 1989 to 9 January 19891990: 9 January 1990 to 6 October 19901991: 23 January 1991 to 19 June 19911992: 3 February 1992 to 22 December 19921993: 11 May 1993 to 14 December 19931995: 12 January 1995 to 30 December 19951997: 21 January 1997 to 13 November 19971998: 21 April 1998 to 20 December 19981999: 8 January 1999 to 11 December 19992000: 27 January 2000 to 22 April 20002001: 27 January 2001 to 26 December 20012002: 20 February 2002 to 29 November 20022003: 31 January 2003 to 1 October 20032004: 22 February 2004 to 27 May 20042005: 18 June 2005 to 7 December 20052006: 14 July 2006 to 23 December 200619661972197719821987199219992004JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Deep Well meeting 10 mm (0.39 in).
First to last qualifying date each year at Deep Well
YearFirst dateLast date
19661966-01-121966-12-01
19681968-01-031968-12-03
19691969-03-101969-03-10
19701970-04-221970-12-05
19711971-08-061971-12-13
19721972-03-021972-03-06
19731973-06-141973-12-30
19741974-01-161974-12-26
19751975-02-231975-12-18
19761976-01-041976-11-18
19771977-01-011977-11-30
19781978-01-201978-11-09
19791979-01-211979-05-26
19801980-01-011980-10-23
19811981-01-251981-12-12
19821982-02-101982-12-27
19831983-03-041983-11-30
19841984-01-091984-12-17
19851985-06-011985-11-22
19861986-06-211986-12-04
19871987-06-211987-12-28
19881988-01-071988-03-13
19891989-01-091989-01-09
19901990-01-091990-10-06
19911991-01-231991-06-19
19921992-02-031992-12-22
19931993-05-111993-12-14
19951995-01-121995-12-30
19971997-01-211997-11-13
19981998-04-211998-12-20
19991999-01-081999-12-11
20002000-01-272000-04-22
20012001-01-272001-12-26
20022002-02-202002-11-29
20032003-01-312003-10-01
20042004-02-222004-05-27
20052005-06-182005-12-07
20062006-07-142006-12-23

Every Fixed Threshold

Fixed thresholds at Deep Well
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain381919743
25 mm (0.98 in): Days with 25 mm or more rain32919761
50 mm (1.97 in): Days with 50 mm or more rain15319761
100 mm (3.94 in): Days with 100 mm or more rain3219761

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 Deep Well 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).