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Built 2026-10-15 (15 October 2026)

Riverton (Leeward) Weather Records (ASN00023355)

Record envelope, standing records and threshold days for Riverton (Leeward) (ASN00023355), Australia, with 58 years of record.

Key Facts for Riverton (Leeward)

  • Riverton (Leeward) (ASN00023355) is a weather station in Australia at -34.21 latitude and 138.79 longitude, 275 m (902 ft) above sea level.
  • The station reports from 1969 to 2026, 58 years of record.
  • 0 records set at Riverton (Leeward) still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Riverton (Leeward) set a daily record precipitation of 27.0 mm (1.1 in) on 10 August 2026.

About the Station

  • Location: Australia, -34.21 latitude, 138.79 longitude.
  • Elevation: 275 m (902 ft).
  • Period of record: 1969 to 2026, 58 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Riverton (Leeward), with 2026 drawn through them The band shows the record high and record low for each calendar day at Riverton (Leeward). 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 Riverton (Leeward). 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 Riverton (Leeward), with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Decn/an/an/an/a

Which Years Hold Standing Records

0 standing records
Standing records at Riverton (Leeward) by the year they were set 0 records at Riverton (Leeward) still stand. 00000000000
0 records at Riverton (Leeward) still stand.
Standing records at Riverton (Leeward) by the year they were set
Year setStanding records

All-Time Record Progression

2 new records
When Riverton (Leeward) set new all-time records 2 all-time records were set at Riverton (Leeward) between 22 January 2002 and 15 February 2014. Each dot is a new record. Record daily precipitation22 January 2002: Record daily precipitation 78.4 mm (3.1 in)15 February 2014: Record daily precipitation 80.0 mm (3.1 in)200520102015
2 all-time records were set at Riverton (Leeward) between 22 January 2002 and 15 February 2014. Each dot is a new record.
When Riverton (Leeward) set new all-time records
DateKindDetail
2002-01-22Record daily precipitationRecord daily precipitation 78.4 mm (3.1 in)
2014-02-15Record daily precipitationRecord daily precipitation 80.0 mm (3.1 in)

Wettest Day of Each Month

Feb: 80.0 mm (3.1 in)
Record daily precipitation for each month at Riverton (Leeward) The wettest day on record for each calendar month at Riverton (Leeward). The most was 80.0 mm (3.1 in) on 15 February 2014. 020406080 Jan: 78.4 mm (3.1 in), 22 January 2002 Jan Feb: 80.0 mm (3.1 in), 15 February 2014 Feb Mar: 52.6 mm (2.1 in), 16 March 1985 Mar Apr: 33.0 mm (1.3 in), 18 April 1973 Apr May: 39.0 mm (1.5 in), 30 May 2022 May Jun: 36.0 mm (1.4 in), 12 June 2019 Jun Jul: 45.4 mm (1.8 in), 5 July 2016 Jul Aug: 31.0 mm (1.2 in), 27 August 1970 Aug Sep: 42.8 mm (1.7 in), 13 September 2013 Sep Oct: 69.4 mm (2.7 in), 31 October 1997 Oct Nov: 44.6 mm (1.8 in), 10 November 1981 Nov Dec: 70.6 mm (2.8 in), 8 December 2010 Dec
The wettest day on record for each calendar month at Riverton (Leeward). The most was 80.0 mm (3.1 in) on 15 February 2014.
Record daily precipitation for each month at Riverton (Leeward)
MonthRecord daily precipitation (mm)Date
Jan78.4 mm (3.1 in)22 January 2002
Feb80.0 mm (3.1 in)15 February 2014
Mar52.6 mm (2.1 in)16 March 1985
Apr33.0 mm (1.3 in)18 April 1973
May39.0 mm (1.5 in)30 May 2022
Jun36.0 mm (1.4 in)12 June 2019
Jul45.4 mm (1.8 in)5 July 2016
Aug31.0 mm (1.2 in)27 August 1970
Sep42.8 mm (1.7 in)13 September 2013
Oct69.4 mm (2.7 in)31 October 1997
Nov44.6 mm (1.8 in)10 November 1981
Dec70.6 mm (2.8 in)8 December 2010

Latest Records

20
Latest records at Riverton (Leeward)
DateStationRecordValueBeat old record byOld record stoodSignificance
10 August 2026Riverton (Leeward), AUdaily rain27.0 mm (1.1 in)9.0 mm (0.35 in)53 years40 of 100 (Notable)
9 August 2026Riverton (Leeward), AUdaily rain14.8 mm (0.6 in)5.6 mm (0.22 in)27 years20 of 100 (Routine)
4 June 2026Riverton (Leeward), AUdaily rain21.2 mm (0.8 in)9.2 mm (0.36 in)45 years20 of 100 (Routine)
5 May 2026Riverton (Leeward), AUdaily rain10.0 mm (0.4 in)3.0 mm (0.12 in)4 years11 of 100 (Routine)
17 March 2026Riverton (Leeward), AUdaily rain22.0 mm (0.9 in)10.0 mm (0.4 in)24 years20 of 100 (Routine)
26 October 2025Riverton (Leeward), AUdaily rain13.0 mm (0.5 in)7.7 mm (0.30 in)54 years20 of 100 (Routine)
10 July 2025Riverton (Leeward), AUdaily rain17.4 mm (0.7 in)7.0 mm (0.28 in)24 years20 of 100 (Routine)
15 August 2024Riverton (Leeward), AUdaily rain16.2 mm (0.6 in)3.0 mm (0.12 in)34 years20 of 100 (Routine)
20 July 2024Riverton (Leeward), AUdaily rain22.0 mm (0.9 in)6.0 mm (0.24 in)11 years20 of 100 (Routine)
29 December 2023Riverton (Leeward), AUdaily rain7.2 mm (0.28 in)1.2 mm (0.05 in)44 years19 of 100 (Routine)
10 December 2023Riverton (Leeward), AUdaily rain28.6 mm (1.1 in)15.4 mm (0.6 in)37 years33 of 100 (Routine)
28 November 2023Riverton (Leeward), AUdaily rain26.2 mm (1.0 in)8.2 mm (0.32 in)45 years30 of 100 (Routine)
18 August 2023Riverton (Leeward), AUdaily rain16.0 mm (0.6 in)8.0 mm (0.31 in)4 years20 of 100 (Routine)
6 May 2023Riverton (Leeward), AUdaily rain6.8 mm (0.27 in)0.4 mm (0.02 in)25 years12 of 100 (Routine)
29 January 2023Riverton (Leeward), AUdaily rain8.0 mm (0.31 in)3.8 mm (0.15 in)7 years11 of 100 (Routine)
18 January 2023Riverton (Leeward), AUdaily rain3.8 mm (0.15 in)2.5 mm (0.10 in)51 years20 of 100 (Routine)
20 November 2022Riverton (Leeward), AUdaily rain12.4 mm (0.5 in)3.4 mm (0.13 in)0 years10 of 100 (Routine)
14 November 2022Riverton (Leeward), AUdaily rain18.4 mm (0.7 in)0.8 mm (0.03 in)24 years13 of 100 (Routine)
13 November 2022Riverton (Leeward), AUdaily rain19.0 mm (0.7 in)6.8 mm (0.27 in)5 years16 of 100 (Routine)
24 October 2022Riverton (Leeward), AUdaily rain20.0 mm (0.8 in)1.0 mm (0.04 in)47 years20 of 100 (Routine)

Extremes by Year

1969 to 2026
Yearly extremes at Riverton (Leeward): the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)80.0 mm (3.1 in)201431.7 mm (1.2 in)58
Wettest five days (Rx5day)114.1 mm (4.5 in)197352.8 mm (2.1 in)58
Longest dry spell (CDD)73 days202530 days58

Wettest day (Rx1day)

Wettest day (Rx1day) at Riverton (Leeward) by year The wettest day of the year at Riverton (Leeward), 1969 to 2026. The record is 80.0 mm (3.1 in) in 2014, marked on the chart; the median year is 31.7 mm (1.2 in). 020406080197019801990200020102020Record: 80.0 mm (3.1 in) in 2014
The wettest day of the year at Riverton (Leeward), 1969 to 2026. The record is 80.0 mm (3.1 in) in 2014, marked on the chart; the median year is 31.7 mm (1.2 in).
Wettest day (Rx1day) at Riverton (Leeward) by year
YearWettest day (Rx1day)
196950.0 mm (2.0 in)
197031.0 mm (1.2 in)
197128.7 mm (1.1 in)
197226.9 mm (1.1 in)
197367.3 mm (2.6 in)
197433.8 mm (1.3 in)
197527.0 mm (1.1 in)
197621.8 mm (0.9 in)
197720.0 mm (0.8 in)
197829.0 mm (1.1 in)
197929.0 mm (1.1 in)
198051.4 mm (2.0 in)
198144.6 mm (1.8 in)
198220.2 mm (0.8 in)
198336.6 mm (1.4 in)
198423.0 mm (0.9 in)
198552.6 mm (2.1 in)
198623.0 mm (0.9 in)
198726.0 mm (1.0 in)
198832.0 mm (1.3 in)
198931.6 mm (1.2 in)
199027.0 mm (1.1 in)
199118.6 mm (0.7 in)
199252.0 mm (2.0 in)
199339.4 mm (1.6 in)
199430.4 mm (1.2 in)
199541.0 mm (1.6 in)
199631.8 mm (1.3 in)
199769.4 mm (2.7 in)
199826.4 mm (1.0 in)
199928.8 mm (1.1 in)
200039.4 mm (1.6 in)
200129.4 mm (1.2 in)
200278.4 mm (3.1 in)
200351.4 mm (2.0 in)
200420.0 mm (0.8 in)
200533.0 mm (1.3 in)
200636.2 mm (1.4 in)
200738.0 mm (1.5 in)
200869.0 mm (2.7 in)
200926.6 mm (1.0 in)
201070.6 mm (2.8 in)
201136.8 mm (1.4 in)
201225.2 mm (1.0 in)
201342.8 mm (1.7 in)
201480.0 mm (3.1 in)
201538.6 mm (1.5 in)
201645.4 mm (1.8 in)
201730.0 mm (1.2 in)
201822.0 mm (0.9 in)
201936.0 mm (1.4 in)
202025.0 mm (1.0 in)
202126.8 mm (1.1 in)
202247.2 mm (1.9 in)
202328.6 mm (1.1 in)
202423.4 mm (0.9 in)
202518.2 mm (0.7 in)
202636.4 mm (1.4 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Riverton (Leeward) by year The wettest five days of the year at Riverton (Leeward), 1969 to 2026. The record is 114.1 mm (4.5 in) in 1973, marked on the chart; the median year is 52.8 mm (2.1 in). 255075100125197019801990200020102020Record: 114.1 mm (4.5 in) in 1973
The wettest five days of the year at Riverton (Leeward), 1969 to 2026. The record is 114.1 mm (4.5 in) in 1973, marked on the chart; the median year is 52.8 mm (2.1 in).
Wettest five days (Rx5day) at Riverton (Leeward) by year
YearWettest five days (Rx5day)
196957.3 mm (2.3 in)
197051.3 mm (2.0 in)
197150.1 mm (2.0 in)
197236.0 mm (1.4 in)
1973114.1 mm (4.5 in)
197495.6 mm (3.8 in)
197546.0 mm (1.8 in)
197642.2 mm (1.7 in)
197747.8 mm (1.9 in)
197846.2 mm (1.8 in)
197973.2 mm (2.9 in)
198053.0 mm (2.1 in)
198145.6 mm (1.8 in)
198259.0 mm (2.3 in)
198353.2 mm (2.1 in)
198435.2 mm (1.4 in)
198552.6 mm (2.1 in)
198645.2 mm (1.8 in)
198754.6 mm (2.1 in)
198852.6 mm (2.1 in)
198943.6 mm (1.7 in)
199053.0 mm (2.1 in)
199140.0 mm (1.6 in)
199286.4 mm (3.4 in)
199374.0 mm (2.9 in)
199457.6 mm (2.3 in)
199544.4 mm (1.7 in)
199644.8 mm (1.8 in)
1997108.8 mm (4.3 in)
199837.2 mm (1.5 in)
199944.8 mm (1.8 in)
200083.2 mm (3.3 in)
200148.2 mm (1.9 in)
200287.4 mm (3.4 in)
200372.6 mm (2.9 in)
200462.4 mm (2.5 in)
200555.4 mm (2.2 in)
200646.0 mm (1.8 in)
200779.2 mm (3.1 in)
200897.6 mm (3.8 in)
200981.6 mm (3.2 in)
2010105.6 mm (4.2 in)
201146.1 mm (1.8 in)
201236.8 mm (1.4 in)
201367.6 mm (2.7 in)
2014100.0 mm (3.9 in)
201560.0 mm (2.4 in)
201667.6 mm (2.7 in)
201753.4 mm (2.1 in)
201834.0 mm (1.3 in)
201939.6 mm (1.6 in)
202046.6 mm (1.8 in)
202140.8 mm (1.6 in)
202271.0 mm (2.8 in)
202347.6 mm (1.9 in)
202442.8 mm (1.7 in)
202548.0 mm (1.9 in)
202653.6 mm (2.1 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Riverton (Leeward) by year The longest dry spell of the year at Riverton (Leeward), 1969 to 2026. The record is 73 days in 2025, marked on the chart; the median year is 30 days. 020406080197019801990200020102020Record: 73 days in 2025
The longest dry spell of the year at Riverton (Leeward), 1969 to 2026. The record is 73 days in 2025, marked on the chart; the median year is 30 days.
Longest dry spell (CDD) at Riverton (Leeward) by year
YearLongest dry spell (CDD)
196934 days
197065 days
197124 days
197239 days
197316 days
197431 days
197524 days
197624 days
197727 days
197828 days
197934 days
198037 days
198132 days
198230 days
198323 days
198432 days
198571 days
198656 days
198728 days
198832 days
198941 days
199026 days
199160 days
199227 days
199336 days
199437 days
199530 days
199627 days
199726 days
199825 days
199936 days
200031 days
200124 days
200262 days
200329 days
200422 days
200530 days
200637 days
200730 days
200846 days
200937 days
201053 days
201121 days
201228 days
201327 days
201422 days
201527 days
201621 days
201721 days
201819 days
201936 days
202027 days
202128 days
202219 days
202338 days
202451 days
202573 days
202638 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

57 years, 1969 to 2025

A day with at least 32.5 mm (1.3 in) of rain is expected about once in 2 years. A day with at least 99.3 mm (3.9 in) of rain is expected about once in 100 years.

Rainfall return levels at Riverton (Leeward): the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years32.5 mm (1.3 in)
5 years45.5 mm (1.8 in)
10 years55.8 mm (2.2 in)
25 years71.0 mm (2.8 in)
50 years84.3 mm (3.3 in)
100 years99.3 mm (3.9 in)Longer than the 57 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, 57 years of values from 1969 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: 80.0 mm (3.1 in) in 2014; 78.4 mm (3.1 in) in 2002; 70.6 mm (2.8 in) in 2010.

Download the Data

  • Data for Riverton (Leeward) standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Riverton (Leeward) 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 (2026-10-12).