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Built 2026-10-19 (19 October 2026)

Rockleigh (Black Heath) Threshold Days by Year (ASN00023812)

3 fixed thresholds counted per year at Rockleigh (Black Heath) (ASN00023812): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rockleigh (Black Heath) Thresholds

  • Rockleigh (Black Heath): days with 10 mm (0.39 in) or more of precipitation in 50 years, most in 2016 with 29.
  • Rockleigh (Black Heath): days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1992 with 8.
  • Rockleigh (Black Heath): days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1992 with 2.
  • 3 fixed thresholds have at least one qualifying day at Rockleigh (Black Heath).
50 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Rockleigh (Black Heath) Days per year at Rockleigh (Black Heath) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 2016. 01020301970: 161971: 181972: 91973: 161974: 251975: 141976: 91977: 71978: 231979: 191980: 101981: 171982: 71983: 221984: 171985: 131986: 151987: 161988: 171989: 141990: 111991: 151992: 261993: 91994: 61995: 141996: 161997: 121998: 111999: 132000: 182001: 162002: 52003: 152004: 102005: 212006: 102007: 72008: 72009: 152010: 202011: 132012: 172013: 132014: 142015: 92016: 292017: 182018: 72020: 111970197519801985199019952000200520102015
Days per year at Rockleigh (Black Heath) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 2016.
Days with 10 mm (0.39 in) or more of precipitation per year at Rockleigh (Black Heath)
YearDaysDecade average
19701615.6
19711815.6
1972915.6
19731615.6
19742515.6
19751415.6
1976915.6
1977715.6
19782315.6
19791915.6
19801014.8
19811714.8
1982714.8
19832214.8
19841714.8
19851314.8
19861514.8
19871614.8
19881714.8
19891414.8
19901113.3
19911513.3
19922613.3
1993913.3
1994613.3
19951413.3
19961613.3
19971213.3
19981113.3
19991313.3
20001812.4
20011612.4
2002512.4
20031512.4
20041012.4
20052112.4
20061012.4
2007712.4
2008712.4
20091512.4
20102015.6
20111315.6
20121715.6
20131315.6
20141415.6
2015915.6
20162915.6
20171815.6
2018715.6
20201111
First to last qualifying date each year at Rockleigh (Black Heath) For each year, a bar from the first to the last day at Rockleigh (Black Heath) meeting 10 mm (0.39 in). 1970: 1 January 1970 to 11 December 19701971: 26 March 1971 to 10 December 19711972: 12 January 1972 to 11 August 19721973: 5 February 1973 to 20 October 19731974: 13 January 1974 to 16 October 19741975: 19 March 1975 to 24 October 19751976: 12 January 1976 to 23 December 19761977: 16 January 1977 to 29 November 19771978: 9 April 1978 to 5 December 19781979: 17 January 1979 to 15 November 19791980: 18 April 1980 to 5 November 19801981: 27 January 1981 to 15 November 19811982: 25 January 1982 to 9 October 19821983: 3 March 1983 to 31 December 19831984: 1 January 1984 to 4 September 19841985: 16 March 1985 to 23 October 19851986: 16 May 1986 to 7 December 19861987: 3 January 1987 to 2 December 19871988: 24 January 1988 to 26 December 19881989: 11 March 1989 to 2 December 19891990: 10 January 1990 to 25 September 19901991: 25 April 1991 to 6 November 19911992: 1 March 1992 to 20 December 19921993: 21 January 1993 to 22 December 19931994: 26 May 1994 to 2 November 19941995: 16 February 1995 to 6 November 19951996: 1 January 1996 to 6 December 19961997: 7 February 1997 to 18 December 19971998: 12 April 1998 to 11 November 19981999: 8 January 1999 to 26 December 19992000: 20 February 2000 to 19 October 20002001: 22 April 2001 to 3 December 20012002: 21 January 2002 to 26 November 20022003: 20 February 2003 to 31 October 20032004: 9 June 2004 to 10 December 20042005: 4 January 2005 to 16 December 20052006: 2 January 2006 to 22 December 20062007: 19 January 2007 to 22 December 20072008: 17 May 2008 to 13 December 20082009: 24 April 2009 to 22 November 20092010: 7 April 2010 to 8 December 20102011: 19 February 2011 to 18 December 20112012: 8 January 2012 to 10 October 20122013: 14 January 2013 to 13 September 20132014: 14 February 2014 to 1 September 20142015: 12 January 2015 to 5 November 20152016: 23 January 2016 to 29 December 20162017: 20 January 2017 to 1 December 20172018: 4 May 2018 to 14 December 20182020: 20 January 2020 to 30 October 202019701977198419911998200520122020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rockleigh (Black Heath) meeting 10 mm (0.39 in).
First to last qualifying date each year at Rockleigh (Black Heath)
YearFirst dateLast date
19701970-01-011970-12-11
19711971-03-261971-12-10
19721972-01-121972-08-11
19731973-02-051973-10-20
19741974-01-131974-10-16
19751975-03-191975-10-24
19761976-01-121976-12-23
19771977-01-161977-11-29
19781978-04-091978-12-05
19791979-01-171979-11-15
19801980-04-181980-11-05
19811981-01-271981-11-15
19821982-01-251982-10-09
19831983-03-031983-12-31
19841984-01-011984-09-04
19851985-03-161985-10-23
19861986-05-161986-12-07
19871987-01-031987-12-02
19881988-01-241988-12-26
19891989-03-111989-12-02
19901990-01-101990-09-25
19911991-04-251991-11-06
19921992-03-011992-12-20
19931993-01-211993-12-22
19941994-05-261994-11-02
19951995-02-161995-11-06
19961996-01-011996-12-06
19971997-02-071997-12-18
19981998-04-121998-11-11
19991999-01-081999-12-26
20002000-02-202000-10-19
20012001-04-222001-12-03
20022002-01-212002-11-26
20032003-02-202003-10-31
20042004-06-092004-12-10
20052005-01-042005-12-16
20062006-01-022006-12-22
20072007-01-192007-12-22
20082008-05-172008-12-13
20092009-04-242009-11-22
20102010-04-072010-12-08
20112011-02-192011-12-18
20122012-01-082012-10-10
20132013-01-142013-09-13
20142014-02-142014-09-01
20152015-01-122015-11-05
20162016-01-232016-12-29
20172017-01-202017-12-01
20182018-05-042018-12-14
20202020-01-202020-10-30

Every Fixed Threshold

Fixed thresholds at Rockleigh (Black Heath)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5029201611
25 mm (0.98 in): Days with 25 mm or more rain43819923
50 mm (1.97 in): Days with 50 mm or more rain17219921

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for Rockleigh (Black Heath) 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).