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

Helmans Tank Weather Records (ASN00048187)

Record envelope, standing records and threshold days for Helmans Tank (ASN00048187), Australia, with 31 years of record.

Key Facts for Helmans Tank

  • Helmans Tank (ASN00048187) is a weather station in Australia at -30.88 latitude and 145.88 longitude, 168 m (550 ft) above sea level.
  • The station reports from 1887 to 1917, 31 years of record.
  • 0 records set at Helmans Tank still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: Australia, -30.88 latitude, 145.88 longitude.
  • Elevation: 168 m (550 ft).
  • Period of record: 1887 to 1917, 31 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Helmans Tank, with 2026 drawn through them The band shows the record high and record low for each calendar day at Helmans Tank. 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 Helmans Tank. 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 Helmans Tank, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Marn/an/an/an/a
Aprn/an/an/an/a
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Juln/an/an/an/a
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Sepn/an/an/an/a
Octn/an/an/an/a
Novn/an/an/an/a
Decn/an/an/an/a

Which Years Hold Standing Records

0 standing records
Standing records at Helmans Tank by the year they were set 0 records at Helmans Tank still stand. 00000000000
0 records at Helmans Tank still stand.
Standing records at Helmans Tank by the year they were set
Year setStanding records

Wettest Day of Each Month

Jan: 110.5 mm (4.4 in)
Record daily precipitation for each month at Helmans Tank The wettest day on record for each calendar month at Helmans Tank. The most was 110.5 mm (4.4 in) on 16 January 1891. 050100150 Jan: 110.5 mm (4.4 in), 16 January 1891 Jan Feb: 68.6 mm (2.7 in), 11 February 1896 Feb Mar: 49.5 mm (1.9 in), 6 March 1910 Mar Apr: 50.8 mm (2.0 in), 18 April 1894 Apr May: 48.3 mm (1.9 in), 28 May 1893 May Jun: 38.9 mm (1.5 in), 18 June 1897 Jun Jul: 22.9 mm (0.9 in), 30 July 1900 Jul Aug: 81.3 mm (3.2 in), 19 August 1901 Aug Sep: 34.5 mm (1.4 in), 24 September 1916 Sep Oct: 41.4 mm (1.6 in), 23 October 1916 Oct Nov: 44.5 mm (1.8 in), 21 November 1893 Nov Dec: 57.9 mm (2.3 in), 1 December 1914 Dec
The wettest day on record for each calendar month at Helmans Tank. The most was 110.5 mm (4.4 in) on 16 January 1891.
Record daily precipitation for each month at Helmans Tank
MonthRecord daily precipitation (mm)Date
Jan110.5 mm (4.4 in)16 January 1891
Feb68.6 mm (2.7 in)11 February 1896
Mar49.5 mm (1.9 in)6 March 1910
Apr50.8 mm (2.0 in)18 April 1894
May48.3 mm (1.9 in)28 May 1893
Jun38.9 mm (1.5 in)18 June 1897
Jul22.9 mm (0.9 in)30 July 1900
Aug81.3 mm (3.2 in)19 August 1901
Sep34.5 mm (1.4 in)24 September 1916
Oct41.4 mm (1.6 in)23 October 1916
Nov44.5 mm (1.8 in)21 November 1893
Dec57.9 mm (2.3 in)1 December 1914

Latest Records

0

No records were set at this station in the latest data.

Extremes by Year

1887 to 1917
Yearly extremes at Helmans Tank: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)110.5 mm (4.4 in)189138.1 mm (1.5 in)29
Wettest five days (Rx5day)163.2 mm (6.4 in)189151.9 mm (2.0 in)29
Longest dry spell (CDD)107 days191441 days29

Wettest day (Rx1day)

Wettest day (Rx1day) at Helmans Tank by year The wettest day of the year at Helmans Tank, 1887 to 1917. The record is 110.5 mm (4.4 in) in 1891, marked on the chart; the median year is 38.1 mm (1.5 in). 050100150189018951900190519101915Record: 110.5 mm (4.4 in) in 1891
The wettest day of the year at Helmans Tank, 1887 to 1917. The record is 110.5 mm (4.4 in) in 1891, marked on the chart; the median year is 38.1 mm (1.5 in).
Wettest day (Rx1day) at Helmans Tank by year
YearWettest day (Rx1day)
188710.2 mm (0.4 in)
188827.4 mm (1.1 in)
188941.7 mm (1.6 in)
189059.7 mm (2.4 in)
1891110.5 mm (4.4 in)
189228.2 mm (1.1 in)
189348.3 mm (1.9 in)
189450.8 mm (2.0 in)
189536.8 mm (1.4 in)
189668.6 mm (2.7 in)
189738.9 mm (1.5 in)
189830.7 mm (1.2 in)
189927.4 mm (1.1 in)
190037.1 mm (1.5 in)
190181.3 mm (3.2 in)
190211.4 mm (0.4 in)
190338.1 mm (1.5 in)
190450.8 mm (2.0 in)
190717.0 mm (0.7 in)
190826.4 mm (1.0 in)
190922.4 mm (0.9 in)
191049.5 mm (1.9 in)
191150.3 mm (2.0 in)
191235.6 mm (1.4 in)
191350.8 mm (2.0 in)
191457.9 mm (2.3 in)
191534.5 mm (1.4 in)
191641.4 mm (1.6 in)
191737.8 mm (1.5 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Helmans Tank by year The wettest five days of the year at Helmans Tank, 1887 to 1917. The record is 163.2 mm (6.4 in) in 1891, marked on the chart; the median year is 51.9 mm (2.0 in). 050100150200189018951900190519101915Record: 163.2 mm (6.4 in) in 1891
The wettest five days of the year at Helmans Tank, 1887 to 1917. The record is 163.2 mm (6.4 in) in 1891, marked on the chart; the median year is 51.9 mm (2.0 in).
Wettest five days (Rx5day) at Helmans Tank by year
YearWettest five days (Rx5day)
188723.4 mm (0.9 in)
188831.3 mm (1.2 in)
188956.0 mm (2.2 in)
1890121.9 mm (4.8 in)
1891163.2 mm (6.4 in)
189248.3 mm (1.9 in)
189356.0 mm (2.2 in)
189492.4 mm (3.6 in)
189547.0 mm (1.9 in)
1896135.5 mm (5.3 in)
189756.7 mm (2.2 in)
189843.4 mm (1.7 in)
189948.5 mm (1.9 in)
190048.5 mm (1.9 in)
190197.8 mm (3.9 in)
190220.0 mm (0.8 in)
190351.9 mm (2.0 in)
190463.5 mm (2.5 in)
190727.6 mm (1.1 in)
190837.7 mm (1.5 in)
190947.3 mm (1.9 in)
191075.6 mm (3.0 in)
1911104.0 mm (4.1 in)
191238.6 mm (1.5 in)
191368.8 mm (2.7 in)
191460.4 mm (2.4 in)
191544.1 mm (1.7 in)
191660.5 mm (2.4 in)
191751.0 mm (2.0 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Helmans Tank by year The longest dry spell of the year at Helmans Tank, 1887 to 1917. The record is 107 days in 1914, marked on the chart; the median year is 41 days. 0255075100125189018951900190519101915Record: 107 days in 1914
The longest dry spell of the year at Helmans Tank, 1887 to 1917. The record is 107 days in 1914, marked on the chart; the median year is 41 days.
Longest dry spell (CDD) at Helmans Tank by year
YearLongest dry spell (CDD)
188717 days
188840 days
188925 days
189023 days
189139 days
189245 days
189341 days
189430 days
189559 days
189623 days
189789 days
189868 days
189968 days
190043 days
190138 days
190224 days
190325 days
190422 days
190744 days
190828 days
190937 days
191064 days
191142 days
191290 days
191361 days
1914107 days
191593 days
191638 days
191766 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 Helmans Tank standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Helmans Tank 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).