Built 2026-10-15 (15 October 2026)

Wittenoom Hills Weather Records (ASN00012255)

Record envelope, standing records and threshold days for Wittenoom Hills (ASN00012255), Australia, with 35 years of record.

Key Facts for Wittenoom Hills

  • Wittenoom Hills (ASN00012255) is a weather station in Australia at -33.57 latitude and 122.27 longitude, 190 m (623 ft) above sea level.
  • The station reports from 1971 to 2005, 35 years of record.
  • 0 records set at Wittenoom Hills still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Wittenoom Hills set a daily record precipitation of 5.0 mm (0.20 in) on 3 January 2005.

About the Station

  • Location: Australia, -33.57 latitude, 122.27 longitude.
  • Elevation: 190 m (623 ft).
  • Period of record: 1971 to 2005, 35 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

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

Wettest Day of Each Month

Jan: 101.0 mm (4.0 in)
Record daily precipitation for each month at Wittenoom Hills The wettest day on record for each calendar month at Wittenoom Hills. The most was 101.0 mm (4.0 in) on 6 January 1999. 050100150 Jan: 101.0 mm (4.0 in), 6 January 1999 Jan Feb: 49.8 mm (2.0 in), 28 February 1976 Feb Mar: 55.0 mm (2.2 in), 19 March 1992 Mar Apr: 82.0 mm (3.2 in), 8 April 2003 Apr May: 42.0 mm (1.7 in), 15 May 1986 May Jun: 38.0 mm (1.5 in), 14 June 1988 Jun Jul: 40.6 mm (1.6 in), 14 July 1972 Jul Aug: 39.0 mm (1.5 in), 30 August 1976 Aug Sep: 34.3 mm (1.4 in), 12 September 1973 Sep Oct: 36.0 mm (1.4 in), 4 October 1976 Oct Nov: 42.7 mm (1.7 in), 24 November 1971 Nov Dec: 31.0 mm (1.2 in), 1 December 1999 Dec
The wettest day on record for each calendar month at Wittenoom Hills. The most was 101.0 mm (4.0 in) on 6 January 1999.
Record daily precipitation for each month at Wittenoom Hills
MonthRecord daily precipitation (mm)Date
Jan101.0 mm (4.0 in)6 January 1999
Feb49.8 mm (2.0 in)28 February 1976
Mar55.0 mm (2.2 in)19 March 1992
Apr82.0 mm (3.2 in)8 April 2003
May42.0 mm (1.7 in)15 May 1986
Jun38.0 mm (1.5 in)14 June 1988
Jul40.6 mm (1.6 in)14 July 1972
Aug39.0 mm (1.5 in)30 August 1976
Sep34.3 mm (1.4 in)12 September 1973
Oct36.0 mm (1.4 in)4 October 1976
Nov42.7 mm (1.7 in)24 November 1971
Dec31.0 mm (1.2 in)1 December 1999

Latest Records

20
Latest records at Wittenoom Hills
DateStationRecordValueBeat old record byOld record stoodSignificance
3 January 2005Wittenoom Hills, AUdaily rain5.0 mm (0.20 in)0.8 mm (0.03 in)25 years10 of 100 (Routine)
3 December 2004Wittenoom Hills, AUdaily rain6.4 mm (0.25 in)0.4 mm (0.02 in)26 years10 of 100 (Routine)
7 September 2004Wittenoom Hills, AUdaily rain17.0 mm (0.7 in)5.1 mm (0.20 in)32 years20 of 100 (Routine)
5 September 2004Wittenoom Hills, AUdaily rain8.8 mm (0.35 in)1.0 mm (0.04 in)25 years12 of 100 (Routine)
23 June 2004Wittenoom Hills, AUdaily rain8.4 mm (0.33 in)0.2 mm (0.01 in)10 years6 of 100 (Routine)
8 June 2004Wittenoom Hills, AUdaily rain14.0 mm (0.6 in)0.8 mm (0.03 in)17 years9 of 100 (Routine)
8 March 2004Wittenoom Hills, AUdaily rain5.4 mm (0.21 in)4.6 mm (0.18 in)33 years17 of 100 (Routine)
3 March 2004Wittenoom Hills, AUdaily rain43.4 mm (1.7 in)42.9 mm (1.7 in)9 years45 of 100 (Notable)
2 March 2004Wittenoom Hills, AUdaily rain11.4 mm (0.4 in)8.9 mm (0.35 in)9 years14 of 100 (Routine)
21 February 2004Wittenoom Hills, AUdaily rain2.5 mm (0.10 in)0.9 mm (0.04 in)4 years5 of 100 (Routine)
19 December 2003Wittenoom Hills, AUdaily rain7.8 mm (0.31 in)3.0 mm (0.12 in)8 years10 of 100 (Routine)
26 November 2003Wittenoom Hills, AUdaily rain19.0 mm (0.7 in)15.8 mm (0.6 in)21 years20 of 100 (Routine)
28 October 2003Wittenoom Hills, AUdaily rain10.6 mm (0.4 in)5.6 mm (0.22 in)12 years17 of 100 (Routine)
30 September 2003Wittenoom Hills, AUdaily rain21.4 mm (0.8 in)10.7 mm (0.4 in)29 years20 of 100 (Routine)
29 September 2003Wittenoom Hills, AUdaily rain12.0 mm (0.5 in)6.4 mm (0.25 in)28 years20 of 100 (Routine)
8 September 2003Wittenoom Hills, AUdaily rain19.6 mm (0.8 in)5.6 mm (0.22 in)29 years20 of 100 (Routine)
18 August 2003Wittenoom Hills, AUdaily rain12.0 mm (0.5 in)1.0 mm (0.04 in)28 years12 of 100 (Routine)
22 July 2003Wittenoom Hills, AUdaily rain17.0 mm (0.7 in)5.0 mm (0.20 in)13 years16 of 100 (Routine)
18 July 2003Wittenoom Hills, AUdaily rain27.0 mm (1.1 in)11.0 mm (0.4 in)29 years31 of 100 (Routine)
11 July 2003Wittenoom Hills, AUdaily rain19.2 mm (0.8 in)13.2 mm (0.5 in)28 years20 of 100 (Routine)

Extremes by Year

1971 to 2005
Yearly extremes at Wittenoom Hills: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)101.0 mm (4.0 in)199933.6 mm (1.3 in)35
Wettest five days (Rx5day)159.0 mm (6.3 in)199954.0 mm (2.1 in)35
Longest dry spell (CDD)86 days199433 days35

Wettest day (Rx1day)

Wettest day (Rx1day) at Wittenoom Hills by year The wettest day of the year at Wittenoom Hills, 1971 to 2005. The record is 101.0 mm (4.0 in) in 1999, marked on the chart; the median year is 33.6 mm (1.3 in). 0255075100125198019902000Record: 101.0 mm (4.0 in) in 1999
The wettest day of the year at Wittenoom Hills, 1971 to 2005. The record is 101.0 mm (4.0 in) in 1999, marked on the chart; the median year is 33.6 mm (1.3 in).
Wettest day (Rx1day) at Wittenoom Hills by year
YearWettest day (Rx1day)
197142.7 mm (1.7 in)
197240.6 mm (1.6 in)
197339.9 mm (1.6 in)
197428.6 mm (1.1 in)
197528.0 mm (1.1 in)
197649.8 mm (2.0 in)
197716.2 mm (0.6 in)
197826.2 mm (1.0 in)
197933.6 mm (1.3 in)
198019.2 mm (0.8 in)
198125.0 mm (1.0 in)
198228.8 mm (1.1 in)
198336.8 mm (1.4 in)
198425.0 mm (1.0 in)
198528.0 mm (1.1 in)
198642.0 mm (1.7 in)
198738.8 mm (1.5 in)
198838.0 mm (1.5 in)
198941.2 mm (1.6 in)
199038.0 mm (1.5 in)
199126.8 mm (1.1 in)
199255.0 mm (2.2 in)
199328.0 mm (1.1 in)
199423.0 mm (0.9 in)
199527.0 mm (1.1 in)
199632.0 mm (1.3 in)
199737.0 mm (1.5 in)
199819.5 mm (0.8 in)
1999101.0 mm (4.0 in)
200052.0 mm (2.0 in)
200142.5 mm (1.7 in)
200223.8 mm (0.9 in)
200382.0 mm (3.2 in)
200443.4 mm (1.7 in)
20059.2 mm (0.36 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Wittenoom Hills by year The wettest five days of the year at Wittenoom Hills, 1971 to 2005. The record is 159.0 mm (6.3 in) in 1999, marked on the chart; the median year is 54.0 mm (2.1 in). 050100150200198019902000Record: 159.0 mm (6.3 in) in 1999
The wettest five days of the year at Wittenoom Hills, 1971 to 2005. The record is 159.0 mm (6.3 in) in 1999, marked on the chart; the median year is 54.0 mm (2.1 in).
Wettest five days (Rx5day) at Wittenoom Hills by year
YearWettest five days (Rx5day)
197172.1 mm (2.8 in)
197250.5 mm (2.0 in)
197356.9 mm (2.2 in)
197456.4 mm (2.2 in)
197542.9 mm (1.7 in)
197688.8 mm (3.5 in)
197748.0 mm (1.9 in)
197828.2 mm (1.1 in)
197965.6 mm (2.6 in)
198034.0 mm (1.3 in)
198144.4 mm (1.7 in)
198235.6 mm (1.4 in)
198363.2 mm (2.5 in)
198447.2 mm (1.9 in)
198547.6 mm (1.9 in)
198679.4 mm (3.1 in)
198777.0 mm (3.0 in)
198859.6 mm (2.3 in)
198998.6 mm (3.9 in)
199049.6 mm (2.0 in)
199157.4 mm (2.3 in)
199281.4 mm (3.2 in)
199342.0 mm (1.7 in)
199428.5 mm (1.1 in)
199553.2 mm (2.1 in)
199632.5 mm (1.3 in)
199747.0 mm (1.9 in)
199828.3 mm (1.1 in)
1999159.0 mm (6.3 in)
2000105.6 mm (4.2 in)
200161.4 mm (2.4 in)
200254.0 mm (2.1 in)
200391.0 mm (3.6 in)
200459.6 mm (2.3 in)
20055.0 mm (0.20 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Wittenoom Hills by year The longest dry spell of the year at Wittenoom Hills, 1971 to 2005. The record is 86 days in 1994, marked on the chart; the median year is 33 days. 020406080100198019902000Record: 86 days in 1994
The longest dry spell of the year at Wittenoom Hills, 1971 to 2005. The record is 86 days in 1994, marked on the chart; the median year is 33 days.
Longest dry spell (CDD) at Wittenoom Hills by year
YearLongest dry spell (CDD)
197131 days
197233 days
197321 days
197429 days
197541 days
197637 days
197735 days
197828 days
197931 days
198047 days
198134 days
198232 days
198321 days
198426 days
198527 days
198650 days
198749 days
198855 days
198932 days
199034 days
199136 days
199217 days
199341 days
199486 days
199536 days
199629 days
199731 days
199855 days
199917 days
200032 days
200129 days
200237 days
200333 days
200428 days
200554 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

34 years, 1971 to 2004

A day with at least 32.8 mm (1.3 in) of rain is expected about once in 2 years. A day with at least 101.4 mm (4.0 in) of rain is expected about once in 100 years.

Rainfall return levels at Wittenoom Hills: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years32.8 mm (1.3 in)
5 years46.0 mm (1.8 in)
10 years56.4 mm (2.2 in)
25 years72.1 mm (2.8 in)
50 years85.8 mm (3.4 in)Longer than the 34 years of record
100 years101.4 mm (4.0 in)Longer than the 34 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, 34 years of values from 1971 to 2004.

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: 101.0 mm (4.0 in) in 1999; 82.0 mm (3.2 in) in 2003; 55.0 mm (2.2 in) in 1992.

Download the Data

  • Data for Wittenoom Hills standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Wittenoom Hills 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).