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| Month | Highest record high | Lowest record low | 2026 highest maximum | 2026 lowest minimum |
|---|---|---|---|---|
| Jan | n/a | n/a | n/a | n/a |
| Feb | n/a | n/a | n/a | n/a |
| Mar | n/a | n/a | n/a | n/a |
| Apr | n/a | n/a | n/a | n/a |
| May | n/a | n/a | n/a | n/a |
| Jun | n/a | n/a | n/a | n/a |
| Jul | n/a | n/a | n/a | n/a |
| Aug | n/a | n/a | n/a | n/a |
| Sep | n/a | n/a | n/a | n/a |
| Oct | n/a | n/a | n/a | n/a |
| Nov | n/a | n/a | n/a | n/a |
| Dec | n/a | n/a | n/a | n/a |
Which Years Hold Standing Records
0 standing records| Year set | Standing records |
|---|
Wettest Day of Each Month
Jan: 101.0 mm (4.0 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 101.0 mm (4.0 in) | 6 January 1999 |
| Feb | 49.8 mm (2.0 in) | 28 February 1976 |
| Mar | 55.0 mm (2.2 in) | 19 March 1992 |
| Apr | 82.0 mm (3.2 in) | 8 April 2003 |
| May | 42.0 mm (1.7 in) | 15 May 1986 |
| Jun | 38.0 mm (1.5 in) | 14 June 1988 |
| Jul | 40.6 mm (1.6 in) | 14 July 1972 |
| Aug | 39.0 mm (1.5 in) | 30 August 1976 |
| Sep | 34.3 mm (1.4 in) | 12 September 1973 |
| Oct | 36.0 mm (1.4 in) | 4 October 1976 |
| Nov | 42.7 mm (1.7 in) | 24 November 1971 |
| Dec | 31.0 mm (1.2 in) | 1 December 1999 |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 3 January 2005 | Wittenoom Hills, AU | daily rain | 5.0 mm (0.20 in) | 0.8 mm (0.03 in) | 25 years | 10 of 100 (Routine) |
| 3 December 2004 | Wittenoom Hills, AU | daily rain | 6.4 mm (0.25 in) | 0.4 mm (0.02 in) | 26 years | 10 of 100 (Routine) |
| 7 September 2004 | Wittenoom Hills, AU | daily rain | 17.0 mm (0.7 in) | 5.1 mm (0.20 in) | 32 years | 20 of 100 (Routine) |
| 5 September 2004 | Wittenoom Hills, AU | daily rain | 8.8 mm (0.35 in) | 1.0 mm (0.04 in) | 25 years | 12 of 100 (Routine) |
| 23 June 2004 | Wittenoom Hills, AU | daily rain | 8.4 mm (0.33 in) | 0.2 mm (0.01 in) | 10 years | 6 of 100 (Routine) |
| 8 June 2004 | Wittenoom Hills, AU | daily rain | 14.0 mm (0.6 in) | 0.8 mm (0.03 in) | 17 years | 9 of 100 (Routine) |
| 8 March 2004 | Wittenoom Hills, AU | daily rain | 5.4 mm (0.21 in) | 4.6 mm (0.18 in) | 33 years | 17 of 100 (Routine) |
| 3 March 2004 | Wittenoom Hills, AU | daily rain | 43.4 mm (1.7 in) | 42.9 mm (1.7 in) | 9 years | 45 of 100 (Notable) |
| 2 March 2004 | Wittenoom Hills, AU | daily rain | 11.4 mm (0.4 in) | 8.9 mm (0.35 in) | 9 years | 14 of 100 (Routine) |
| 21 February 2004 | Wittenoom Hills, AU | daily rain | 2.5 mm (0.10 in) | 0.9 mm (0.04 in) | 4 years | 5 of 100 (Routine) |
| 19 December 2003 | Wittenoom Hills, AU | daily rain | 7.8 mm (0.31 in) | 3.0 mm (0.12 in) | 8 years | 10 of 100 (Routine) |
| 26 November 2003 | Wittenoom Hills, AU | daily rain | 19.0 mm (0.7 in) | 15.8 mm (0.6 in) | 21 years | 20 of 100 (Routine) |
| 28 October 2003 | Wittenoom Hills, AU | daily rain | 10.6 mm (0.4 in) | 5.6 mm (0.22 in) | 12 years | 17 of 100 (Routine) |
| 30 September 2003 | Wittenoom Hills, AU | daily rain | 21.4 mm (0.8 in) | 10.7 mm (0.4 in) | 29 years | 20 of 100 (Routine) |
| 29 September 2003 | Wittenoom Hills, AU | daily rain | 12.0 mm (0.5 in) | 6.4 mm (0.25 in) | 28 years | 20 of 100 (Routine) |
| 8 September 2003 | Wittenoom Hills, AU | daily rain | 19.6 mm (0.8 in) | 5.6 mm (0.22 in) | 29 years | 20 of 100 (Routine) |
| 18 August 2003 | Wittenoom Hills, AU | daily rain | 12.0 mm (0.5 in) | 1.0 mm (0.04 in) | 28 years | 12 of 100 (Routine) |
| 22 July 2003 | Wittenoom Hills, AU | daily rain | 17.0 mm (0.7 in) | 5.0 mm (0.20 in) | 13 years | 16 of 100 (Routine) |
| 18 July 2003 | Wittenoom Hills, AU | daily rain | 27.0 mm (1.1 in) | 11.0 mm (0.4 in) | 29 years | 31 of 100 (Routine) |
| 11 July 2003 | Wittenoom Hills, AU | daily rain | 19.2 mm (0.8 in) | 13.2 mm (0.5 in) | 28 years | 20 of 100 (Routine) |
Extremes by Year
1971 to 2005| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Wettest day (Rx1day) | 101.0 mm (4.0 in) | 1999 | 33.6 mm (1.3 in) | 35 |
| Wettest five days (Rx5day) | 159.0 mm (6.3 in) | 1999 | 54.0 mm (2.1 in) | 35 |
| Longest dry spell (CDD) | 86 days | 1994 | 33 days | 35 |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1971 | 42.7 mm (1.7 in) |
| 1972 | 40.6 mm (1.6 in) |
| 1973 | 39.9 mm (1.6 in) |
| 1974 | 28.6 mm (1.1 in) |
| 1975 | 28.0 mm (1.1 in) |
| 1976 | 49.8 mm (2.0 in) |
| 1977 | 16.2 mm (0.6 in) |
| 1978 | 26.2 mm (1.0 in) |
| 1979 | 33.6 mm (1.3 in) |
| 1980 | 19.2 mm (0.8 in) |
| 1981 | 25.0 mm (1.0 in) |
| 1982 | 28.8 mm (1.1 in) |
| 1983 | 36.8 mm (1.4 in) |
| 1984 | 25.0 mm (1.0 in) |
| 1985 | 28.0 mm (1.1 in) |
| 1986 | 42.0 mm (1.7 in) |
| 1987 | 38.8 mm (1.5 in) |
| 1988 | 38.0 mm (1.5 in) |
| 1989 | 41.2 mm (1.6 in) |
| 1990 | 38.0 mm (1.5 in) |
| 1991 | 26.8 mm (1.1 in) |
| 1992 | 55.0 mm (2.2 in) |
| 1993 | 28.0 mm (1.1 in) |
| 1994 | 23.0 mm (0.9 in) |
| 1995 | 27.0 mm (1.1 in) |
| 1996 | 32.0 mm (1.3 in) |
| 1997 | 37.0 mm (1.5 in) |
| 1998 | 19.5 mm (0.8 in) |
| 1999 | 101.0 mm (4.0 in) |
| 2000 | 52.0 mm (2.0 in) |
| 2001 | 42.5 mm (1.7 in) |
| 2002 | 23.8 mm (0.9 in) |
| 2003 | 82.0 mm (3.2 in) |
| 2004 | 43.4 mm (1.7 in) |
| 2005 | 9.2 mm (0.36 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1971 | 72.1 mm (2.8 in) |
| 1972 | 50.5 mm (2.0 in) |
| 1973 | 56.9 mm (2.2 in) |
| 1974 | 56.4 mm (2.2 in) |
| 1975 | 42.9 mm (1.7 in) |
| 1976 | 88.8 mm (3.5 in) |
| 1977 | 48.0 mm (1.9 in) |
| 1978 | 28.2 mm (1.1 in) |
| 1979 | 65.6 mm (2.6 in) |
| 1980 | 34.0 mm (1.3 in) |
| 1981 | 44.4 mm (1.7 in) |
| 1982 | 35.6 mm (1.4 in) |
| 1983 | 63.2 mm (2.5 in) |
| 1984 | 47.2 mm (1.9 in) |
| 1985 | 47.6 mm (1.9 in) |
| 1986 | 79.4 mm (3.1 in) |
| 1987 | 77.0 mm (3.0 in) |
| 1988 | 59.6 mm (2.3 in) |
| 1989 | 98.6 mm (3.9 in) |
| 1990 | 49.6 mm (2.0 in) |
| 1991 | 57.4 mm (2.3 in) |
| 1992 | 81.4 mm (3.2 in) |
| 1993 | 42.0 mm (1.7 in) |
| 1994 | 28.5 mm (1.1 in) |
| 1995 | 53.2 mm (2.1 in) |
| 1996 | 32.5 mm (1.3 in) |
| 1997 | 47.0 mm (1.9 in) |
| 1998 | 28.3 mm (1.1 in) |
| 1999 | 159.0 mm (6.3 in) |
| 2000 | 105.6 mm (4.2 in) |
| 2001 | 61.4 mm (2.4 in) |
| 2002 | 54.0 mm (2.1 in) |
| 2003 | 91.0 mm (3.6 in) |
| 2004 | 59.6 mm (2.3 in) |
| 2005 | 5.0 mm (0.20 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1971 | 31 days |
| 1972 | 33 days |
| 1973 | 21 days |
| 1974 | 29 days |
| 1975 | 41 days |
| 1976 | 37 days |
| 1977 | 35 days |
| 1978 | 28 days |
| 1979 | 31 days |
| 1980 | 47 days |
| 1981 | 34 days |
| 1982 | 32 days |
| 1983 | 21 days |
| 1984 | 26 days |
| 1985 | 27 days |
| 1986 | 50 days |
| 1987 | 49 days |
| 1988 | 55 days |
| 1989 | 32 days |
| 1990 | 34 days |
| 1991 | 36 days |
| 1992 | 17 days |
| 1993 | 41 days |
| 1994 | 86 days |
| 1995 | 36 days |
| 1996 | 29 days |
| 1997 | 31 days |
| 1998 | 55 days |
| 1999 | 17 days |
| 2000 | 32 days |
| 2001 | 29 days |
| 2002 | 37 days |
| 2003 | 33 days |
| 2004 | 28 days |
| 2005 | 54 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 2004A 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.
| Expected about once in | A day with at least | Note |
|---|---|---|
| 2 years | 32.8 mm (1.3 in) | |
| 5 years | 46.0 mm (1.8 in) | |
| 10 years | 56.4 mm (2.2 in) | |
| 25 years | 72.1 mm (2.8 in) | |
| 50 years | 85.8 mm (3.4 in) | Longer than the 34 years of record |
| 100 years | 101.4 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
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).