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

Dampier Downs Weather Records (ASN00003068)

Record envelope, standing records and threshold days for Dampier Downs (ASN00003068), Australia, with 54 years of record.

Key Facts for Dampier Downs

  • Dampier Downs (ASN00003068) is a weather station in Australia at -18.51 latitude and 123.46 longitude, 120 m (394 ft) above sea level.
  • The station reports from 1973 to 2026, 54 years of record.
  • 0 records set at Dampier Downs still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Dampier Downs set a daily record precipitation of 26.8 mm (1.1 in) on 31 December 2025.

About the Station

  • Location: Australia, -18.51 latitude, 123.46 longitude.
  • Elevation: 120 m (394 ft).
  • Period of record: 1973 to 2026, 54 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Dampier Downs, with 2026 drawn through them The band shows the record high and record low for each calendar day at Dampier Downs. 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 Dampier Downs. 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 Dampier Downs, 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 Dampier Downs by the year they were set 0 records at Dampier Downs still stand. 00000000000
0 records at Dampier Downs still stand.
Standing records at Dampier Downs by the year they were set
Year setStanding records

Wettest Day of Each Month

Jan: 270.0 mm (10.6 in)
Record daily precipitation for each month at Dampier Downs The wettest day on record for each calendar month at Dampier Downs. The most was 270.0 mm (10.6 in) on 29 January 1978. 0100200300 Jan: 270.0 mm (10.6 in), 29 January 1978 Jan Feb: 235.2 mm (9.3 in), 21 February 1991 Feb Mar: 105.2 mm (4.1 in), 12 March 1989 Mar Apr: 101.2 mm (4.0 in), 20 April 2000 Apr May: 85.2 mm (3.4 in), 27 May 2025 May Jun: 63.0 mm (2.5 in), 18 June 2005 Jun Jul: 77.0 mm (3.0 in), 10 July 2010 Jul Aug: 29.0 mm (1.1 in), 30 August 2016 Aug Sep: 44.0 mm (1.7 in), 8 September 1974 Sep Oct: 37.4 mm (1.5 in), 2 October 1975 Oct Nov: 75.0 mm (3.0 in), 23 November 2020 Nov Dec: 108.0 mm (4.3 in), 23 December 2016 Dec
The wettest day on record for each calendar month at Dampier Downs. The most was 270.0 mm (10.6 in) on 29 January 1978.
Record daily precipitation for each month at Dampier Downs
MonthRecord daily precipitation (mm)Date
Jan270.0 mm (10.6 in)29 January 1978
Feb235.2 mm (9.3 in)21 February 1991
Mar105.2 mm (4.1 in)12 March 1989
Apr101.2 mm (4.0 in)20 April 2000
May85.2 mm (3.4 in)27 May 2025
Jun63.0 mm (2.5 in)18 June 2005
Jul77.0 mm (3.0 in)10 July 2010
Aug29.0 mm (1.1 in)30 August 2016
Sep44.0 mm (1.7 in)8 September 1974
Oct37.4 mm (1.5 in)2 October 1975
Nov75.0 mm (3.0 in)23 November 2020
Dec108.0 mm (4.3 in)23 December 2016

Latest Records

20
Latest records at Dampier Downs
DateStationRecordValueBeat old record byOld record stoodSignificance
31 December 2025Dampier Downs, AUdaily rain26.8 mm (1.1 in)6.8 mm (0.27 in)28 years17 of 100 (Routine)
12 November 2025Dampier Downs, AUdaily rain10.0 mm (0.4 in)2.0 mm (0.08 in)19 years11 of 100 (Routine)
25 July 2025Dampier Downs, AUdaily rain1.2 mm (0.05 in)1.2 mm (0.05 in)51 years20 of 100 (Routine)
28 May 2025Dampier Downs, AUdaily rain1.2 mm (0.05 in)1.2 mm (0.05 in)51 years20 of 100 (Routine)
27 May 2025Dampier Downs, AUmonthly rain85.2 mm (3.4 in)10.2 mm (0.4 in)28 years29 of 100 (Routine)
30 March 2025Dampier Downs, AUdaily rain11.4 mm (0.4 in)0.6 mm (0.02 in)42 years17 of 100 (Routine)
13 January 2025Dampier Downs, AUdaily rain60.0 mm (2.4 in)8.6 mm (0.34 in)48 years22 of 100 (Routine)
28 October 2024Dampier Downs, AUdaily rain8.0 mm (0.31 in)8.0 mm (0.31 in)51 years20 of 100 (Routine)
27 October 2024Dampier Downs, AUdaily rain0.8 mm (0.03 in)0.2 mm (0.01 in)43 years17 of 100 (Routine)
24 September 2024Dampier Downs, AUdaily rain4.0 mm (0.16 in)4.0 mm (0.16 in)51 years20 of 100 (Routine)
23 September 2024Dampier Downs, AUdaily rain19.0 mm (0.7 in)18.6 mm (0.7 in)23 years20 of 100 (Routine)
4 August 2024Dampier Downs, AUdaily rain2.4 mm (0.09 in)2.4 mm (0.09 in)51 years20 of 100 (Routine)
30 May 2024Dampier Downs, AUdaily rain33.0 mm (1.3 in)33.0 mm (1.3 in)50 years40 of 100 (Notable)
28 June 2023Dampier Downs, AUdaily rain14.2 mm (0.6 in)14.2 mm (0.6 in)48 years20 of 100 (Routine)
27 June 2023Dampier Downs, AUdaily rain39.6 mm (1.6 in)24.6 mm (1.0 in)9 years25 of 100 (Routine)
14 April 2023Dampier Downs, AUdaily rain3.0 mm (0.12 in)2.2 mm (0.09 in)48 years20 of 100 (Routine)
12 April 2023Dampier Downs, AUdaily rain21.8 mm (0.9 in)9.0 mm (0.35 in)4 years10 of 100 (Routine)
5 January 2023Dampier Downs, AUdaily rain61.0 mm (2.4 in)11.0 mm (0.4 in)36 years19 of 100 (Routine)
4 January 2023Dampier Downs, AUdaily rain144.0 mm (5.7 in)113.0 mm (4.4 in)32 years54 of 100 (Notable)
3 January 2023Dampier Downs, AUdaily rain103.0 mm (4.1 in)30.8 mm (1.2 in)48 years31 of 100 (Routine)

Extremes by Year

1973 to 2026
Yearly extremes at Dampier Downs: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)270.0 mm (10.6 in)197878.5 mm (3.1 in)54
Wettest five days (Rx5day)434.6 mm (17.1 in)1978142.5 mm (5.6 in)54
Longest dry spell (CDD)244 days1982105 days54

Wettest day (Rx1day)

Wettest day (Rx1day) at Dampier Downs by year The wettest day of the year at Dampier Downs, 1973 to 2026. The record is 270.0 mm (10.6 in) in 1978, marked on the chart; the median year is 78.5 mm (3.1 in). 010020030019801990200020102020Record: 270.0 mm (10.6 in) in 1978
The wettest day of the year at Dampier Downs, 1973 to 2026. The record is 270.0 mm (10.6 in) in 1978, marked on the chart; the median year is 78.5 mm (3.1 in).
Wettest day (Rx1day) at Dampier Downs by year
YearWettest day (Rx1day)
197319.6 mm (0.8 in)
197472.2 mm (2.8 in)
197551.0 mm (2.0 in)
197698.6 mm (3.9 in)
197761.0 mm (2.4 in)
1978270.0 mm (10.6 in)
197963.0 mm (2.5 in)
198065.0 mm (2.6 in)
198170.0 mm (2.8 in)
198299.0 mm (3.9 in)
198351.0 mm (2.0 in)
198466.0 mm (2.6 in)
198578.0 mm (3.1 in)
1986185.4 mm (7.3 in)
198770.0 mm (2.8 in)
198848.0 mm (1.9 in)
1989105.2 mm (4.1 in)
199044.0 mm (1.7 in)
1991235.2 mm (9.3 in)
199289.4 mm (3.5 in)
199381.0 mm (3.2 in)
199438.0 mm (1.5 in)
1995106.8 mm (4.2 in)
199679.0 mm (3.1 in)
199781.0 mm (3.2 in)
1998107.0 mm (4.2 in)
199947.0 mm (1.9 in)
2000101.2 mm (4.0 in)
200151.2 mm (2.0 in)
200295.0 mm (3.7 in)
2003131.0 mm (5.2 in)
200452.0 mm (2.0 in)
200563.0 mm (2.5 in)
200659.0 mm (2.3 in)
200764.2 mm (2.5 in)
200866.0 mm (2.6 in)
200982.0 mm (3.2 in)
201077.0 mm (3.0 in)
201175.0 mm (3.0 in)
201286.0 mm (3.4 in)
2013140.0 mm (5.5 in)
201495.0 mm (3.7 in)
2015101.0 mm (4.0 in)
2016108.0 mm (4.3 in)
2017100.4 mm (4.0 in)
2018140.5 mm (5.5 in)
201956.0 mm (2.2 in)
202097.0 mm (3.8 in)
2021127.0 mm (5.0 in)
202265.0 mm (2.6 in)
2023144.0 mm (5.7 in)
202457.0 mm (2.2 in)
202585.2 mm (3.4 in)
20261.4 mm (0.06 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Dampier Downs by year The wettest five days of the year at Dampier Downs, 1973 to 2026. The record is 434.6 mm (17.1 in) in 1978, marked on the chart; the median year is 142.5 mm (5.6 in). 020040060019801990200020102020Record: 434.6 mm (17.1 in) in 1978
The wettest five days of the year at Dampier Downs, 1973 to 2026. The record is 434.6 mm (17.1 in) in 1978, marked on the chart; the median year is 142.5 mm (5.6 in).
Wettest five days (Rx5day) at Dampier Downs by year
YearWettest five days (Rx5day)
197320.1 mm (0.8 in)
1974121.4 mm (4.8 in)
1975117.4 mm (4.6 in)
1976293.6 mm (11.6 in)
1977133.8 mm (5.3 in)
1978434.6 mm (17.1 in)
1979144.0 mm (5.7 in)
1980111.9 mm (4.4 in)
1981186.0 mm (7.3 in)
1982216.6 mm (8.5 in)
1983102.0 mm (4.0 in)
1984170.6 mm (6.7 in)
1985105.8 mm (4.2 in)
1986288.4 mm (11.4 in)
1987128.1 mm (5.0 in)
198858.0 mm (2.3 in)
1989136.6 mm (5.4 in)
199070.0 mm (2.8 in)
1991292.8 mm (11.5 in)
199289.4 mm (3.5 in)
1993241.0 mm (9.5 in)
199461.4 mm (2.4 in)
1995153.6 mm (6.0 in)
1996167.0 mm (6.6 in)
1997225.6 mm (8.9 in)
1998179.0 mm (7.0 in)
199968.8 mm (2.7 in)
2000109.8 mm (4.3 in)
200183.4 mm (3.3 in)
2002185.0 mm (7.3 in)
2003249.4 mm (9.8 in)
200482.2 mm (3.2 in)
200589.0 mm (3.5 in)
200694.2 mm (3.7 in)
2007121.3 mm (4.8 in)
2008110.0 mm (4.3 in)
2009171.1 mm (6.7 in)
2010136.8 mm (5.4 in)
2011168.5 mm (6.6 in)
2012185.2 mm (7.3 in)
2013258.2 mm (10.2 in)
2014140.9 mm (5.5 in)
2015261.8 mm (10.3 in)
2016287.2 mm (11.3 in)
2017151.2 mm (6.0 in)
2018256.0 mm (10.1 in)
201972.2 mm (2.8 in)
2020179.6 mm (7.1 in)
2021252.0 mm (9.9 in)
2022157.0 mm (6.2 in)
2023404.0 mm (15.9 in)
202466.4 mm (2.6 in)
2025101.0 mm (4.0 in)
20261.4 mm (0.06 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Dampier Downs by year The longest dry spell of the year at Dampier Downs, 1973 to 2026. The record is 244 days in 1982, marked on the chart; the median year is 105 days. 010020030019801990200020102020Record: 244 days in 1982
The longest dry spell of the year at Dampier Downs, 1973 to 2026. The record is 244 days in 1982, marked on the chart; the median year is 105 days.
Longest dry spell (CDD) at Dampier Downs by year
YearLongest dry spell (CDD)
197357 days
197473 days
1975104 days
1976104 days
1977187 days
197864 days
1979161 days
1980142 days
198180 days
1982244 days
1983157 days
1984157 days
1985135 days
1986112 days
1987167 days
1988184 days
198992 days
1990207 days
1991166 days
1992192 days
199389 days
1994217 days
1995102 days
1996186 days
1997139 days
199893 days
1999130 days
2000208 days
200185 days
2002224 days
2003209 days
200448 days
200595 days
2006143 days
200775 days
2008189 days
2009222 days
201043 days
201158 days
201292 days
2013106 days
201467 days
201573 days
201660 days
2017100 days
2018143 days
2019141 days
2020156 days
202165 days
202291 days
202392 days
202474 days
202567 days
202647 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.

Rainfall Return Levels

40 years, 1974 to 2025

A day with at least 74.5 mm (2.9 in) of rain is expected about once in 2 years. A day with at least 303.3 mm (11.9 in) of rain is expected about once in 100 years.

Rainfall return levels at Dampier Downs: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years74.5 mm (2.9 in)
5 years109.4 mm (4.3 in)
10 years140.5 mm (5.5 in)
25 years192.1 mm (7.6 in)
50 years241.7 mm (9.5 in)Longer than the 40 years of record
100 years303.3 mm (11.9 in)Longer than the 40 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 40 years of values from 1974 to 2025.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 270.0 mm (10.6 in) in 1978; 235.2 mm (9.3 in) in 1991; 185.4 mm (7.3 in) in 1986.

Download the Data

  • Data for Dampier Downs standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Dampier Downs 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

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