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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Blackmans Bay Treatment Plant Weather Records (ASN00094163)

Record envelope, standing records and threshold days for Blackmans Bay Treatment Plant (ASN00094163), Australia, with 37 years of record.

Key Facts for Blackmans Bay Treatment Plant

  • Blackmans Bay Treatment Plant (ASN00094163) is a weather station in Australia at -43.02 latitude and 147.33 longitude, 36 m (118 ft) above sea level.
  • The station reports from 1982 to 2018, 37 years of record.
  • 0 records set at Blackmans Bay Treatment Plant still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Blackmans Bay Treatment Plant set a daily record precipitation of 9.8 mm (0.39 in) on 10 May 2018.

About the Station

  • Location: Australia, -43.02 latitude, 147.33 longitude.
  • Elevation: 36 m (118 ft).
  • Period of record: 1982 to 2018, 37 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

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

Wettest Day of Each Month

Feb: 110.6 mm (4.4 in)
Record daily precipitation for each month at Blackmans Bay Treatment Plant The wettest day on record for each calendar month at Blackmans Bay Treatment Plant. The most was 110.6 mm (4.4 in) on 7 February 1999. 050100150 Jan: 79.8 mm (3.1 in), 22 January 1997 Jan Feb: 110.6 mm (4.4 in), 7 February 1999 Feb Mar: 80.0 mm (3.1 in), 22 March 1983 Mar Apr: 92.2 mm (3.6 in), 13 April 2011 Apr May: 36.0 mm (1.4 in), 19 May 1986 May Jun: 56.2 mm (2.2 in), 5 June 2009 Jun Jul: 55.4 mm (2.2 in), 3 July 1990 Jul Aug: 34.0 mm (1.3 in), 7 August 1984 Aug Sep: 59.8 mm (2.4 in), 12 September 2005 Sep Oct: 37.4 mm (1.5 in), 12 October 2001 Oct Nov: 43.8 mm (1.7 in), 15 November 1988 Nov Dec: 65.6 mm (2.6 in), 27 December 1998 Dec
The wettest day on record for each calendar month at Blackmans Bay Treatment Plant. The most was 110.6 mm (4.4 in) on 7 February 1999.
Record daily precipitation for each month at Blackmans Bay Treatment Plant
MonthRecord daily precipitation (mm)Date
Jan79.8 mm (3.1 in)22 January 1997
Feb110.6 mm (4.4 in)7 February 1999
Mar80.0 mm (3.1 in)22 March 1983
Apr92.2 mm (3.6 in)13 April 2011
May36.0 mm (1.4 in)19 May 1986
Jun56.2 mm (2.2 in)5 June 2009
Jul55.4 mm (2.2 in)3 July 1990
Aug34.0 mm (1.3 in)7 August 1984
Sep59.8 mm (2.4 in)12 September 2005
Oct37.4 mm (1.5 in)12 October 2001
Nov43.8 mm (1.7 in)15 November 1988
Dec65.6 mm (2.6 in)27 December 1998

Latest Records

20
Latest records at Blackmans Bay Treatment Plant
DateStationRecordValueBeat old record byOld record stoodSignificance
10 May 2018Blackmans Bay Treatment Plant, AUdaily rain9.8 mm (0.39 in)4.4 mm (0.17 in)15 years16 of 100 (Routine)
15 February 2018Blackmans Bay Treatment Plant, AUdaily rain12.6 mm (0.5 in)4.0 mm (0.16 in)20 years13 of 100 (Routine)
13 February 2018Blackmans Bay Treatment Plant, AUdaily rain4.6 mm (0.18 in)1.0 mm (0.04 in)10 years7 of 100 (Routine)
19 July 2017Blackmans Bay Treatment Plant, AUdaily rain11.8 mm (0.5 in)3.4 mm (0.13 in)35 years19 of 100 (Routine)
22 February 2017Blackmans Bay Treatment Plant, AUdaily rain3.2 mm (0.13 in)0.6 mm (0.02 in)30 years12 of 100 (Routine)
14 February 2017Blackmans Bay Treatment Plant, AUdaily rain10.4 mm (0.4 in)7.0 mm (0.28 in)29 years17 of 100 (Routine)
20 January 2017Blackmans Bay Treatment Plant, AUdaily rain6.4 mm (0.25 in)1.2 mm (0.05 in)31 years13 of 100 (Routine)
16 November 2016Blackmans Bay Treatment Plant, AUdaily rain11.8 mm (0.5 in)3.0 mm (0.12 in)33 years17 of 100 (Routine)
25 October 2016Blackmans Bay Treatment Plant, AUdaily rain22.0 mm (0.9 in)8.4 mm (0.33 in)16 years20 of 100 (Routine)
30 September 2016Blackmans Bay Treatment Plant, AUdaily rain16.4 mm (0.6 in)1.6 mm (0.06 in)9 years7 of 100 (Routine)
13 July 2016Blackmans Bay Treatment Plant, AUdaily rain14.4 mm (0.6 in)5.8 mm (0.23 in)31 years20 of 100 (Routine)
20 May 2016Blackmans Bay Treatment Plant, AUdaily rain13.0 mm (0.5 in)1.8 mm (0.07 in)30 years16 of 100 (Routine)
11 May 2016Blackmans Bay Treatment Plant, AUdaily rain22.0 mm (0.9 in)16.8 mm (0.7 in)20 years20 of 100 (Routine)
4 May 2016Blackmans Bay Treatment Plant, AUdaily rain11.8 mm (0.5 in)4.2 mm (0.17 in)12 years15 of 100 (Routine)
29 January 2016Blackmans Bay Treatment Plant, AUdaily rain12.0 mm (0.5 in)1.2 mm (0.05 in)13 years8 of 100 (Routine)
1 December 2015Blackmans Bay Treatment Plant, AUdaily rain5.4 mm (0.21 in)2.4 mm (0.09 in)9 years7 of 100 (Routine)
13 November 2015Blackmans Bay Treatment Plant, AUdaily rain22.0 mm (0.9 in)4.2 mm (0.17 in)30 years19 of 100 (Routine)
21 October 2015Blackmans Bay Treatment Plant, AUdaily rain9.5 mm (0.37 in)0.7 mm (0.03 in)4 years5 of 100 (Routine)
17 June 2015Blackmans Bay Treatment Plant, AUdaily rain12.3 mm (0.5 in)1.7 mm (0.07 in)12 years9 of 100 (Routine)
13 May 2015Blackmans Bay Treatment Plant, AUdaily rain10.4 mm (0.4 in)3.2 mm (0.13 in)10 years13 of 100 (Routine)

Extremes by Year

1982 to 2018
Yearly extremes at Blackmans Bay Treatment Plant: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)110.6 mm (4.4 in)199934.8 mm (1.4 in)37
Wettest five days (Rx5day)145.6 mm (5.7 in)199356.4 mm (2.2 in)37
Longest dry spell (CDD)32 days200319 days37

Wettest day (Rx1day)

Wettest day (Rx1day) at Blackmans Bay Treatment Plant by year The wettest day of the year at Blackmans Bay Treatment Plant, 1982 to 2018. The record is 110.6 mm (4.4 in) in 1999, marked on the chart; the median year is 34.8 mm (1.4 in). 0255075100125199020002010Record: 110.6 mm (4.4 in) in 1999
The wettest day of the year at Blackmans Bay Treatment Plant, 1982 to 2018. The record is 110.6 mm (4.4 in) in 1999, marked on the chart; the median year is 34.8 mm (1.4 in).
Wettest day (Rx1day) at Blackmans Bay Treatment Plant by year
YearWettest day (Rx1day)
198217.8 mm (0.7 in)
198380.0 mm (3.1 in)
198442.0 mm (1.7 in)
198533.2 mm (1.3 in)
198644.2 mm (1.7 in)
198723.0 mm (0.9 in)
198843.8 mm (1.7 in)
198933.4 mm (1.3 in)
199055.4 mm (2.2 in)
199132.2 mm (1.3 in)
199218.8 mm (0.7 in)
199361.0 mm (2.4 in)
199432.4 mm (1.3 in)
199549.6 mm (2.0 in)
199674.0 mm (2.9 in)
199779.8 mm (3.1 in)
199865.6 mm (2.6 in)
1999110.6 mm (4.4 in)
200027.2 mm (1.1 in)
200137.4 mm (1.5 in)
200220.6 mm (0.8 in)
200369.2 mm (2.7 in)
200447.8 mm (1.9 in)
200559.8 mm (2.4 in)
200614.2 mm (0.6 in)
200734.8 mm (1.4 in)
200823.0 mm (0.9 in)
200963.8 mm (2.5 in)
201028.0 mm (1.1 in)
201192.2 mm (3.6 in)
201251.8 mm (2.0 in)
201321.2 mm (0.8 in)
201423.6 mm (0.9 in)
201522.0 mm (0.9 in)
201622.0 mm (0.9 in)
201711.8 mm (0.5 in)
201813.4 mm (0.5 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Blackmans Bay Treatment Plant by year The wettest five days of the year at Blackmans Bay Treatment Plant, 1982 to 2018. The record is 145.6 mm (5.7 in) in 1993, marked on the chart; the median year is 56.4 mm (2.2 in). 050100150199020002010Record: 145.6 mm (5.7 in) in 1993
The wettest five days of the year at Blackmans Bay Treatment Plant, 1982 to 2018. The record is 145.6 mm (5.7 in) in 1993, marked on the chart; the median year is 56.4 mm (2.2 in).
Wettest five days (Rx5day) at Blackmans Bay Treatment Plant by year
YearWettest five days (Rx5day)
198239.0 mm (1.5 in)
198385.1 mm (3.4 in)
198462.4 mm (2.5 in)
198580.8 mm (3.2 in)
1986103.8 mm (4.1 in)
198742.8 mm (1.7 in)
198856.4 mm (2.2 in)
198947.0 mm (1.9 in)
199073.0 mm (2.9 in)
199149.2 mm (1.9 in)
199232.4 mm (1.3 in)
1993145.6 mm (5.7 in)
199494.6 mm (3.7 in)
199587.0 mm (3.4 in)
1996112.2 mm (4.4 in)
199798.4 mm (3.9 in)
199876.6 mm (3.0 in)
1999119.4 mm (4.7 in)
200038.4 mm (1.5 in)
200148.6 mm (1.9 in)
200234.2 mm (1.3 in)
2003121.2 mm (4.8 in)
200470.0 mm (2.8 in)
200579.2 mm (3.1 in)
200629.6 mm (1.2 in)
200741.6 mm (1.6 in)
200829.4 mm (1.2 in)
200972.2 mm (2.8 in)
201036.4 mm (1.4 in)
2011119.8 mm (4.7 in)
201262.6 mm (2.5 in)
201326.8 mm (1.1 in)
201426.4 mm (1.0 in)
201526.8 mm (1.1 in)
201628.8 mm (1.1 in)
201723.0 mm (0.9 in)
201821.0 mm (0.8 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Blackmans Bay Treatment Plant by year The longest dry spell of the year at Blackmans Bay Treatment Plant, 1982 to 2018. The record is 32 days in 2003, marked on the chart; the median year is 19 days. 010203040199020002010Record: 32 days in 2003
The longest dry spell of the year at Blackmans Bay Treatment Plant, 1982 to 2018. The record is 32 days in 2003, marked on the chart; the median year is 19 days.
Longest dry spell (CDD) at Blackmans Bay Treatment Plant by year
YearLongest dry spell (CDD)
198219 days
198322 days
198420 days
198517 days
198610 days
198720 days
198827 days
198917 days
199021 days
199123 days
199215 days
199316 days
199430 days
199521 days
199615 days
199716 days
199821 days
199915 days
200020 days
200120 days
200228 days
200332 days
200426 days
200523 days
200620 days
200718 days
200821 days
200913 days
201017 days
201110 days
201212 days
201317 days
201416 days
20159 days
201621 days
201713 days
201812 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 Blackmans Bay Treatment Plant standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Blackmans Bay Treatment Plant 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).