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Built 2026-10-19 (19 October 2026)

Allan Rocks Threshold Days by Year (ASN00010894)

4 fixed thresholds counted per year at Allan Rocks (ASN00010894): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Allan Rocks Thresholds

  • Allan Rocks: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 1992 with 20.
  • Allan Rocks: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1989 with 5.
  • Allan Rocks: days with 50 mm (1.97 in) or more of precipitation in 10 years, most in 2000 with 3.
  • Allan Rocks: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1970 with 1.
  • 4 fixed thresholds have at least one qualifying day at Allan Rocks.
49 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Allan Rocks Days per year at Allan Rocks with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1992. 051015201968: 131969: 101970: 101971: 111972: 61973: 131974: 161976: 101977: 61978: 101979: 71980: 61981: 71982: 101983: 101984: 71985: 61986: 71987: 111988: 91989: 101990: 81991: 71992: 201993: 101994: 81995: 91996: 101997: 111998: 81999: 172000: 82001: 72002: 12003: 102004: 82005: 102006: 152007: 62008: 132014: 102015: 72016: 142017: 112018: 72019: 72020: 92021: 102022: 121968197319791984198919941999200420142019
Days per year at Allan Rocks with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1992.
Days with 10 mm (0.39 in) or more of precipitation per year at Allan Rocks
YearDaysDecade average
19681311.5
19691011.5
1970109.9
1971119.9
197269.9
1973139.9
1974169.9
1976109.9
197769.9
1978109.9
197979.9
198068.3
198178.3
1982108.3
1983108.3
198478.3
198568.3
198678.3
1987118.3
198898.3
1989108.3
1990810.8
1991710.8
19922010.8
19931010.8
1994810.8
1995910.8
19961010.8
19971110.8
1998810.8
19991710.8
200088.7
200178.7
200218.7
2003108.7
200488.7
2005108.7
2006158.7
200768.7
2008138.7
2014109.3
201579.3
2016149.3
2017119.3
201879.3
201979.3
2020910.3
20211010.3
20221210.3
First to last qualifying date each year at Allan Rocks For each year, a bar from the first to the last day at Allan Rocks meeting 10 mm (0.39 in). 1968: 27 January 1968 to 9 September 19681969: 19 February 1969 to 9 December 19691970: 16 February 1970 to 25 September 19701971: 5 March 1971 to 6 December 19711972: 31 May 1972 to 31 October 19721973: 7 January 1973 to 14 November 19731974: 3 March 1974 to 13 November 19741976: 28 February 1976 to 11 November 19761977: 15 May 1977 to 31 October 19771978: 3 January 1978 to 2 October 19781979: 12 January 1979 to 19 August 19791980: 21 February 1980 to 31 December 19801981: 13 January 1981 to 26 November 19811982: 21 January 1982 to 4 October 19821983: 30 March 1983 to 2 December 19831984: 22 February 1984 to 2 November 19841985: 9 March 1985 to 22 September 19851986: 22 February 1986 to 12 October 19861987: 26 April 1987 to 24 December 19871988: 28 April 1988 to 3 December 19881989: 26 February 1989 to 14 November 19891990: 28 January 1990 to 2 October 19901991: 11 April 1991 to 5 November 19911992: 9 February 1992 to 20 November 19921993: 19 March 1993 to 16 November 19931994: 24 May 1994 to 14 October 19941995: 25 February 1995 to 18 October 19951996: 8 February 1996 to 7 November 19961997: 20 February 1997 to 13 November 19971998: 10 March 1998 to 29 August 19981999: 6 January 1999 to 13 December 19992000: 15 January 2000 to 11 July 20002001: 21 January 2001 to 1 December 20012002: 11 July 2002 to 11 July 20022003: 17 February 2003 to 30 September 20032004: 13 February 2004 to 17 November 20042005: 28 March 2005 to 17 October 20052006: 13 January 2006 to 29 November 20062007: 5 January 2007 to 17 December 20072008: 21 April 2008 to 11 December 20082014: 27 April 2014 to 28 November 20142015: 15 March 2015 to 5 December 20152016: 2 January 2016 to 13 December 20162017: 30 January 2017 to 26 September 20172018: 16 January 2018 to 11 November 20182019: 4 April 2019 to 12 October 20192020: 28 February 2020 to 2 November 20202021: 7 February 2021 to 28 October 20212022: 12 February 2022 to 24 October 20221968197619831990199720042016JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Allan Rocks meeting 10 mm (0.39 in).
First to last qualifying date each year at Allan Rocks
YearFirst dateLast date
19681968-01-271968-09-09
19691969-02-191969-12-09
19701970-02-161970-09-25
19711971-03-051971-12-06
19721972-05-311972-10-31
19731973-01-071973-11-14
19741974-03-031974-11-13
19761976-02-281976-11-11
19771977-05-151977-10-31
19781978-01-031978-10-02
19791979-01-121979-08-19
19801980-02-211980-12-31
19811981-01-131981-11-26
19821982-01-211982-10-04
19831983-03-301983-12-02
19841984-02-221984-11-02
19851985-03-091985-09-22
19861986-02-221986-10-12
19871987-04-261987-12-24
19881988-04-281988-12-03
19891989-02-261989-11-14
19901990-01-281990-10-02
19911991-04-111991-11-05
19921992-02-091992-11-20
19931993-03-191993-11-16
19941994-05-241994-10-14
19951995-02-251995-10-18
19961996-02-081996-11-07
19971997-02-201997-11-13
19981998-03-101998-08-29
19991999-01-061999-12-13
20002000-01-152000-07-11
20012001-01-212001-12-01
20022002-07-112002-07-11
20032003-02-172003-09-30
20042004-02-132004-11-17
20052005-03-282005-10-17
20062006-01-132006-11-29
20072007-01-052007-12-17
20082008-04-212008-12-11
20142014-04-272014-11-28
20152015-03-152015-12-05
20162016-01-022016-12-13
20172017-01-302017-09-26
20182018-01-162018-11-11
20192019-04-042019-10-12
20202020-02-282020-11-02
20212021-02-072021-10-28
20222022-02-122022-10-24

Every Fixed Threshold

Fixed thresholds at Allan Rocks
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4920199212
25 mm (0.98 in): Days with 25 mm or more rain37519894
50 mm (1.97 in): Days with 50 mm or more rain10320001
100 mm (3.94 in): Days with 100 mm or more rain3119701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Allan Rocks 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).