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Built 2026-10-18 (18 October 2026)

Grahamstown (Hunter Water Boar Threshold Days by Year

5 fixed thresholds counted per year at Grahamstown (Hunter Water Boar (ASN00061311): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Grahamstown (Hunter Water Boar Thresholds

  • Grahamstown (Hunter Water Boar: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1998 with 42.
  • Grahamstown (Hunter Water Boar: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1974 with 19.
  • Grahamstown (Hunter Water Boar: days with 50 mm (1.97 in) or more of precipitation in 32 years, most in 1972 with 7.
  • Grahamstown (Hunter Water Boar: days with 100 mm (3.94 in) or more of precipitation in 7 years, most in 1974 with 2.
  • 5 fixed thresholds have at least one qualifying day at Grahamstown (Hunter Water Boar.
36 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Grahamstown (Hunter Water Boar Days per year at Grahamstown (Hunter Water Boar with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 42 in 1998. 02040601972: 281973: 271974: 331975: 361976: 361977: 251978: 411979: 211980: 161981: 291982: 261983: 311984: 311985: 381986: 271987: 341988: 351989: 381990: 361991: 171992: 271993: 271994: 321995: 311996: 291997: 291998: 421999: 422000: 242001: 362002: 262003: 272004: 292005: 212006: 242007: 39197219761980198419881992199620002004
Days per year at Grahamstown (Hunter Water Boar with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 42 in 1998.
Days with 10 mm (0.39 in) or more of precipitation per year at Grahamstown (Hunter Water Boar
YearDaysDecade average
19722830.9
19732730.9
19743330.9
19753630.9
19763630.9
19772530.9
19784130.9
19792130.9
19801630.5
19812930.5
19822630.5
19833130.5
19843130.5
19853830.5
19862730.5
19873430.5
19883530.5
19893830.5
19903631.2
19911731.2
19922731.2
19932731.2
19943231.2
19953131.2
19962931.2
19972931.2
19984231.2
19994231.2
20002428.3
20013628.3
20022628.3
20032728.3
20042928.3
20052128.3
20062428.3
20073928.3
First to last qualifying date each year at Grahamstown (Hunter Water Boar For each year, a bar from the first to the last day at Grahamstown (Hunter Water Boar meeting 10 mm (0.39 in). 1972: 13 January 1972 to 17 December 19721973: 10 January 1973 to 17 December 19731974: 7 January 1974 to 24 December 19741975: 4 January 1975 to 24 December 19751976: 10 January 1976 to 16 November 19761977: 24 January 1977 to 28 September 19771978: 4 January 1978 to 29 December 19781979: 18 January 1979 to 6 December 19791980: 5 January 1980 to 31 December 19801981: 6 February 1981 to 26 December 19811982: 16 January 1982 to 10 October 19821983: 3 January 1983 to 27 December 19831984: 2 January 1984 to 30 December 19841985: 9 February 1985 to 11 December 19851986: 5 January 1986 to 21 November 19861987: 2 January 1987 to 30 December 19871988: 5 January 1988 to 27 December 19881989: 2 January 1989 to 14 December 19891990: 8 January 1990 to 5 November 19901991: 6 January 1991 to 23 December 19911992: 5 January 1992 to 18 December 19921993: 7 January 1993 to 8 December 19931994: 20 January 1994 to 26 December 19941995: 3 January 1995 to 11 December 19951996: 3 January 1996 to 30 December 19961997: 25 January 1997 to 19 December 19971998: 25 January 1998 to 21 December 19981999: 22 January 1999 to 29 December 19992000: 2 January 2000 to 15 December 20002001: 31 January 2001 to 8 December 20012002: 1 February 2002 to 12 December 20022003: 18 February 2003 to 13 December 20032004: 14 January 2004 to 25 December 20042005: 17 January 2005 to 29 November 20052006: 2 March 2006 to 3 December 20062007: 24 January 2007 to 8 December 200719721977198219871992199720022007JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Grahamstown (Hunter Water Boar meeting 10 mm (0.39 in).
First to last qualifying date each year at Grahamstown (Hunter Water Boar
YearFirst dateLast date
19721972-01-131972-12-17
19731973-01-101973-12-17
19741974-01-071974-12-24
19751975-01-041975-12-24
19761976-01-101976-11-16
19771977-01-241977-09-28
19781978-01-041978-12-29
19791979-01-181979-12-06
19801980-01-051980-12-31
19811981-02-061981-12-26
19821982-01-161982-10-10
19831983-01-031983-12-27
19841984-01-021984-12-30
19851985-02-091985-12-11
19861986-01-051986-11-21
19871987-01-021987-12-30
19881988-01-051988-12-27
19891989-01-021989-12-14
19901990-01-081990-11-05
19911991-01-061991-12-23
19921992-01-051992-12-18
19931993-01-071993-12-08
19941994-01-201994-12-26
19951995-01-031995-12-11
19961996-01-031996-12-30
19971997-01-251997-12-19
19981998-01-251998-12-21
19991999-01-221999-12-29
20002000-01-022000-12-15
20012001-01-312001-12-08
20022002-02-012002-12-12
20032003-02-182003-12-13
20042004-01-142004-12-25
20052005-01-172005-11-29
20062006-03-022006-12-03
20072007-01-242007-12-08

Every Fixed Threshold

Fixed thresholds at Grahamstown (Hunter Water Boar
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3642199839
25 mm (0.98 in): Days with 25 mm or more rain3619197412
50 mm (1.97 in): Days with 50 mm or more rain32719723
100 mm (3.94 in): Days with 100 mm or more rain7219742
200 mm (7.87 in): Days with 200 mm or more rain1119901

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1972.

Download the Data

  • Data for Grahamstown (Hunter Water Boar 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).