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Data as of 2025-12-31
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Built 2026-10-15 (15 October 2026)

Gunnedah (Colstoun South) Weather Records (ASN00055272)

Record envelope, standing records and threshold days for Gunnedah (Colstoun South) (ASN00055272), Australia, with 40 years of record.

Key Facts for Gunnedah (Colstoun South)

  • Gunnedah (Colstoun South) (ASN00055272) is a weather station in Australia at -30.85 latitude and 150.24 longitude, 259 m (850 ft) above sea level.
  • The station reports from 1968 to 2007, 40 years of record.
  • 0 records set at Gunnedah (Colstoun South) still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Gunnedah (Colstoun South) set a daily record precipitation of 12.0 mm (0.5 in) on 30 May 2007.

About the Station

  • Location: Australia, -30.85 latitude, 150.24 longitude.
  • Elevation: 259 m (850 ft).
  • Period of record: 1968 to 2007, 40 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Gunnedah (Colstoun South), with 2026 drawn through them The band shows the record high and record low for each calendar day at Gunnedah (Colstoun South). The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 000111 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Gunnedah (Colstoun South). The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Gunnedah (Colstoun South), with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Which Years Hold Standing Records

0 standing records
Standing records at Gunnedah (Colstoun South) by the year they were set 0 records at Gunnedah (Colstoun South) still stand. 00000000000
0 records at Gunnedah (Colstoun South) still stand.
Standing records at Gunnedah (Colstoun South) by the year they were set
Year setStanding records

Wettest Day of Each Month

Jan: 127.2 mm (5.0 in)
Record daily precipitation for each month at Gunnedah (Colstoun South) The wettest day on record for each calendar month at Gunnedah (Colstoun South). The most was 127.2 mm (5.0 in) on 7 January 1974. 050100150 Jan: 127.2 mm (5.0 in), 7 January 1974 Jan Feb: 95.0 mm (3.7 in), 22 February 1977 Feb Mar: 52.0 mm (2.0 in), 3 March 1982 Mar Apr: 48.6 mm (1.9 in), 9 April 1990 Apr May: 82.0 mm (3.2 in), 3 May 1987 May Jun: 64.0 mm (2.5 in), 12 June 2005 Jun Jul: 42.0 mm (1.7 in), 17 July 1986 Jul Aug: 33.0 mm (1.3 in), 24 August 2003 Aug Sep: 42.8 mm (1.7 in), 4 September 2005 Sep Oct: 71.0 mm (2.8 in), 14 October 2000 Oct Nov: 52.2 mm (2.1 in), 1 November 2005 Nov Dec: 65.6 mm (2.6 in), 12 December 1991 Dec
The wettest day on record for each calendar month at Gunnedah (Colstoun South). The most was 127.2 mm (5.0 in) on 7 January 1974.
Record daily precipitation for each month at Gunnedah (Colstoun South)
MonthRecord daily precipitation (mm)Date
Jan127.2 mm (5.0 in)7 January 1974
Feb95.0 mm (3.7 in)22 February 1977
Mar52.0 mm (2.0 in)3 March 1982
Apr48.6 mm (1.9 in)9 April 1990
May82.0 mm (3.2 in)3 May 1987
Jun64.0 mm (2.5 in)12 June 2005
Jul42.0 mm (1.7 in)17 July 1986
Aug33.0 mm (1.3 in)24 August 2003
Sep42.8 mm (1.7 in)4 September 2005
Oct71.0 mm (2.8 in)14 October 2000
Nov52.2 mm (2.1 in)1 November 2005
Dec65.6 mm (2.6 in)12 December 1991

Latest Records

20
Latest records at Gunnedah (Colstoun South)
DateStationRecordValueBeat old record byOld record stoodSignificance
30 May 2007Gunnedah (Colstoun South), AUdaily rain12.0 mm (0.5 in)3.0 mm (0.12 in)17 years10 of 100 (Routine)
19 May 2007Gunnedah (Colstoun South), AUdaily rain34.8 mm (1.4 in)22.2 mm (0.9 in)28 years26 of 100 (Routine)
25 March 2007Gunnedah (Colstoun South), AUdaily rain10.0 mm (0.4 in)4.8 mm (0.19 in)24 years15 of 100 (Routine)
2 March 2007Gunnedah (Colstoun South), AUdaily rain32.7 mm (1.3 in)11.5 mm (0.5 in)20 years20 of 100 (Routine)
28 February 2007Gunnedah (Colstoun South), AUdaily rain16.4 mm (0.6 in)4.4 mm (0.17 in)12 years9 of 100 (Routine)
27 February 2007Gunnedah (Colstoun South), AUdaily rain6.1 mm (0.24 in)2.5 mm (0.10 in)32 years14 of 100 (Routine)
14 April 2006Gunnedah (Colstoun South), AUdaily rain23.8 mm (0.9 in)15.2 mm (0.6 in)36 years20 of 100 (Routine)
16 December 2005Gunnedah (Colstoun South), AUdaily rain19.6 mm (0.8 in)4.6 mm (0.18 in)19 years11 of 100 (Routine)
26 November 2005Gunnedah (Colstoun South), AUdaily rain37.2 mm (1.5 in)19.2 mm (0.8 in)4 years25 of 100 (Routine)
6 November 2005Gunnedah (Colstoun South), AUdaily rain51.2 mm (2.0 in)34.4 mm (1.4 in)18 years46 of 100 (Notable)
1 November 2005Gunnedah (Colstoun South), AUmonthly rain52.2 mm (2.1 in)8.2 mm (0.32 in)4 years23 of 100 (Routine)
31 October 2005Gunnedah (Colstoun South), AUdaily rain (Tie)27.0 mm (1.1 in)tie24 years2 of 100 (Routine)
17 October 2005Gunnedah (Colstoun South), AUdaily rain42.0 mm (1.7 in)21.2 mm (0.8 in)32 years35 of 100 (Notable)
4 September 2005Gunnedah (Colstoun South), AUmonthly rain42.8 mm (1.7 in)10.3 mm (0.4 in)16 years32 of 100 (Routine)
20 August 2005Gunnedah (Colstoun South), AUdaily rain6.2 mm (0.24 in)2.2 mm (0.09 in)22 years11 of 100 (Routine)
5 August 2005Gunnedah (Colstoun South), AUdaily rain21.6 mm (0.9 in)19.0 mm (0.7 in)0 years20 of 100 (Routine)
13 July 2005Gunnedah (Colstoun South), AUdaily rain30.0 mm (1.2 in)18.0 mm (0.7 in)20 years28 of 100 (Routine)
30 June 2005Gunnedah (Colstoun South), AUdaily rain25.0 mm (1.0 in)22.0 mm (0.9 in)28 years29 of 100 (Routine)
29 June 2005Gunnedah (Colstoun South), AUdaily rain10.0 mm (0.4 in)2.6 mm (0.10 in)2 years5 of 100 (Routine)
28 June 2005Gunnedah (Colstoun South), AUdaily rain14.2 mm (0.6 in)1.2 mm (0.05 in)24 years11 of 100 (Routine)

Extremes by Year

1968 to 2007
Yearly extremes at Gunnedah (Colstoun South): the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)127.2 mm (5.0 in)197451.3 mm (2.0 in)35
Wettest five days (Rx5day)191.8 mm (7.6 in)197480.4 mm (3.2 in)35
Longest dry spell (CDD)115 days197143 days35

Wettest day (Rx1day)

Wettest day (Rx1day) at Gunnedah (Colstoun South) by year The wettest day of the year at Gunnedah (Colstoun South), 1968 to 2007. The record is 127.2 mm (5.0 in) in 1974, marked on the chart; the median year is 51.3 mm (2.0 in). 0501001501970198019902000Record: 127.2 mm (5.0 in) in 1974
The wettest day of the year at Gunnedah (Colstoun South), 1968 to 2007. The record is 127.2 mm (5.0 in) in 1974, marked on the chart; the median year is 51.3 mm (2.0 in).
Wettest day (Rx1day) at Gunnedah (Colstoun South) by year
YearWettest day (Rx1day)
196867.1 mm (2.6 in)
196941.9 mm (1.6 in)
197043.2 mm (1.7 in)
197181.3 mm (3.2 in)
197243.7 mm (1.7 in)
197345.2 mm (1.8 in)
1974127.2 mm (5.0 in)
197562.6 mm (2.5 in)
1976117.0 mm (4.6 in)
1977116.0 mm (4.6 in)
197860.0 mm (2.4 in)
197940.0 mm (1.6 in)
198035.0 mm (1.4 in)
198160.0 mm (2.4 in)
198252.0 mm (2.0 in)
198354.0 mm (2.1 in)
198476.0 mm (3.0 in)
198531.0 mm (1.2 in)
198646.6 mm (1.8 in)
198792.0 mm (3.6 in)
198851.3 mm (2.0 in)
198946.0 mm (1.8 in)
199048.6 mm (1.9 in)
199166.0 mm (2.6 in)
199244.6 mm (1.8 in)
199351.8 mm (2.0 in)
199426.0 mm (1.0 in)
200071.0 mm (2.8 in)
200142.0 mm (1.7 in)
200230.0 mm (1.2 in)
200337.0 mm (1.5 in)
2004102.0 mm (4.0 in)
200564.0 mm (2.5 in)
200630.0 mm (1.2 in)
200735.5 mm (1.4 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Gunnedah (Colstoun South) by year The wettest five days of the year at Gunnedah (Colstoun South), 1968 to 2007. The record is 191.8 mm (7.6 in) in 1974, marked on the chart; the median year is 80.4 mm (3.2 in). 0501001502001970198019902000Record: 191.8 mm (7.6 in) in 1974
The wettest five days of the year at Gunnedah (Colstoun South), 1968 to 2007. The record is 191.8 mm (7.6 in) in 1974, marked on the chart; the median year is 80.4 mm (3.2 in).
Wettest five days (Rx5day) at Gunnedah (Colstoun South) by year
YearWettest five days (Rx5day)
1968102.4 mm (4.0 in)
196959.9 mm (2.4 in)
197080.4 mm (3.2 in)
1971173.0 mm (6.8 in)
197262.0 mm (2.4 in)
197372.1 mm (2.8 in)
1974191.8 mm (7.6 in)
197579.8 mm (3.1 in)
1976150.5 mm (5.9 in)
1977155.4 mm (6.1 in)
1978156.8 mm (6.2 in)
197951.2 mm (2.0 in)
198057.0 mm (2.2 in)
1981104.0 mm (4.1 in)
198279.0 mm (3.1 in)
198389.0 mm (3.5 in)
1984131.0 mm (5.2 in)
198564.0 mm (2.5 in)
198665.0 mm (2.6 in)
198798.6 mm (3.9 in)
1988106.2 mm (4.2 in)
198973.6 mm (2.9 in)
199061.8 mm (2.4 in)
1991114.0 mm (4.5 in)
199294.2 mm (3.7 in)
199369.5 mm (2.7 in)
199438.0 mm (1.5 in)
2000101.0 mm (4.0 in)
200186.0 mm (3.4 in)
200253.0 mm (2.1 in)
200348.5 mm (1.9 in)
2004120.4 mm (4.7 in)
200579.2 mm (3.1 in)
200636.8 mm (1.4 in)
2007120.8 mm (4.8 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Gunnedah (Colstoun South) by year The longest dry spell of the year at Gunnedah (Colstoun South), 1968 to 2007. The record is 115 days in 1971, marked on the chart; the median year is 43 days. 02550751001251970198019902000Record: 115 days in 1971
The longest dry spell of the year at Gunnedah (Colstoun South), 1968 to 2007. The record is 115 days in 1971, marked on the chart; the median year is 43 days.
Longest dry spell (CDD) at Gunnedah (Colstoun South) by year
YearLongest dry spell (CDD)
196826 days
196924 days
197047 days
1971115 days
197241 days
197343 days
197436 days
197559 days
197634 days
197743 days
197839 days
197937 days
198052 days
198165 days
198254 days
198328 days
198474 days
198525 days
1986109 days
198736 days
198845 days
198986 days
199027 days
199150 days
199266 days
199339 days
199489 days
200039 days
200136 days
200273 days
200329 days
200443 days
200553 days
200650 days
200743 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

  • Data for Gunnedah (Colstoun South) standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Gunnedah (Colstoun South) 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

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