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

Merriwa (Mar-Lea) Weather Records (ASN00061316)

Record envelope, standing records and threshold days for Merriwa (Mar-Lea) (ASN00061316), Australia, with 54 years of record.

Key Facts for Merriwa (Mar-Lea)

  • Merriwa (Mar-Lea) (ASN00061316) is a weather station in Australia at -32.07 latitude and 150.23 longitude, 396 m (1,299 ft) above sea level.
  • The station reports from 1972 to 2025, 54 years of record.
  • 0 records set at Merriwa (Mar-Lea) still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Merriwa (Mar-Lea) set a daily record precipitation of 21.4 mm (0.8 in) on 30 July 2025.

About the Station

  • Location: Australia, -32.07 latitude, 150.23 longitude.
  • Elevation: 396 m (1,299 ft).
  • Period of record: 1972 to 2025, 54 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Merriwa (Mar-Lea), with 2026 drawn through them The band shows the record high and record low for each calendar day at Merriwa (Mar-Lea). 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 Merriwa (Mar-Lea). 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 Merriwa (Mar-Lea), with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jann/an/an/an/a
Febn/an/an/an/a
Marn/an/an/an/a
Aprn/an/an/an/a
Mayn/an/an/an/a
Junn/an/an/an/a
Juln/an/an/an/a
Augn/an/an/an/a
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 Merriwa (Mar-Lea) by the year they were set 0 records at Merriwa (Mar-Lea) still stand. 00000000000
0 records at Merriwa (Mar-Lea) still stand.
Standing records at Merriwa (Mar-Lea) by the year they were set
Year setStanding records

Wettest Day of Each Month

Mar: 112.0 mm (4.4 in)
Record daily precipitation for each month at Merriwa (Mar-Lea) The wettest day on record for each calendar month at Merriwa (Mar-Lea). The most was 112.0 mm (4.4 in) on 4 March 1977. 050100150 Jan: 106.2 mm (4.2 in), 2 January 1987 Jan Feb: 89.0 mm (3.5 in), 25 February 2018 Feb Mar: 112.0 mm (4.4 in), 4 March 1977 Mar Apr: 82.6 mm (3.3 in), 2 April 1989 Apr May: 64.6 mm (2.5 in), 6 May 1998 May Jun: 111.5 mm (4.4 in), 9 June 2007 Jun Jul: 64.0 mm (2.5 in), 21 July 1998 Jul Aug: 63.6 mm (2.5 in), 31 August 1996 Aug Sep: 47.8 mm (1.9 in), 29 September 2011 Sep Oct: 50.6 mm (2.0 in), 20 October 2022 Oct Nov: 53.0 mm (2.1 in), 29 November 2024 Nov Dec: 80.0 mm (3.1 in), 24 December 2004 Dec
The wettest day on record for each calendar month at Merriwa (Mar-Lea). The most was 112.0 mm (4.4 in) on 4 March 1977.
Record daily precipitation for each month at Merriwa (Mar-Lea)
MonthRecord daily precipitation (mm)Date
Jan106.2 mm (4.2 in)2 January 1987
Feb89.0 mm (3.5 in)25 February 2018
Mar112.0 mm (4.4 in)4 March 1977
Apr82.6 mm (3.3 in)2 April 1989
May64.6 mm (2.5 in)6 May 1998
Jun111.5 mm (4.4 in)9 June 2007
Jul64.0 mm (2.5 in)21 July 1998
Aug63.6 mm (2.5 in)31 August 1996
Sep47.8 mm (1.9 in)29 September 2011
Oct50.6 mm (2.0 in)20 October 2022
Nov53.0 mm (2.1 in)29 November 2024
Dec80.0 mm (3.1 in)24 December 2004

Latest Records

20
Latest records at Merriwa (Mar-Lea)
DateStationRecordValueBeat old record byOld record stoodSignificance
30 July 2025Merriwa (Mar-Lea), AUdaily rain21.4 mm (0.8 in)17.4 mm (0.7 in)28 years20 of 100 (Routine)
26 May 2025Merriwa (Mar-Lea), AUdaily rain34.2 mm (1.3 in)4.2 mm (0.17 in)20 years15 of 100 (Routine)
22 May 2025Merriwa (Mar-Lea), AUdaily rain27.0 mm (1.1 in)1.0 mm (0.04 in)44 years19 of 100 (Routine)
21 May 2025Merriwa (Mar-Lea), AUdaily rain42.0 mm (1.7 in)12.8 mm (0.5 in)34 years28 of 100 (Routine)
20 May 2025Merriwa (Mar-Lea), AUdaily rain12.4 mm (0.5 in)8.2 mm (0.32 in)23 years19 of 100 (Routine)
29 April 2025Merriwa (Mar-Lea), AUdaily rain22.8 mm (0.9 in)9.8 mm (0.39 in)2 years13 of 100 (Routine)
11 February 2025Merriwa (Mar-Lea), AUdaily rain47.6 mm (1.9 in)9.5 mm (0.37 in)52 years26 of 100 (Routine)
31 December 2024Merriwa (Mar-Lea), AUdaily rain44.0 mm (1.7 in)5.2 mm (0.20 in)33 years18 of 100 (Routine)
1 December 2024Merriwa (Mar-Lea), AUdaily rain13.8 mm (0.5 in)3.0 mm (0.12 in)29 years15 of 100 (Routine)
29 November 2024Merriwa (Mar-Lea), AUmonthly rain53.0 mm (2.1 in)5.0 mm (0.20 in)24 years27 of 100 (Routine)
27 September 2024Merriwa (Mar-Lea), AUdaily rain22.2 mm (0.9 in)4.2 mm (0.17 in)43 years20 of 100 (Routine)
6 August 2024Merriwa (Mar-Lea), AUdaily rain23.2 mm (0.9 in)5.2 mm (0.20 in)40 years20 of 100 (Routine)
1 June 2024Merriwa (Mar-Lea), AUdaily rain41.0 mm (1.6 in)16.0 mm (0.6 in)46 years31 of 100 (Routine)
12 May 2024Merriwa (Mar-Lea), AUdaily rain10.2 mm (0.4 in)1.0 mm (0.04 in)2 years6 of 100 (Routine)
6 April 2024Merriwa (Mar-Lea), AUdaily rain43.0 mm (1.7 in)25.0 mm (1.0 in)9 years29 of 100 (Routine)
5 January 2024Merriwa (Mar-Lea), AUdaily rain32.6 mm (1.3 in)12.4 mm (0.5 in)24 years19 of 100 (Routine)
20 December 2023Merriwa (Mar-Lea), AUdaily rain40.0 mm (1.6 in)26.0 mm (1.0 in)48 years41 of 100 (Notable)
10 December 2023Merriwa (Mar-Lea), AUdaily rain26.4 mm (1.0 in)6.8 mm (0.27 in)25 years17 of 100 (Routine)
10 November 2023Merriwa (Mar-Lea), AUdaily rain21.2 mm (0.8 in)2.9 mm (0.11 in)50 years20 of 100 (Routine)
27 October 2023Merriwa (Mar-Lea), AUdaily rain23.0 mm (0.9 in)12.0 mm (0.5 in)2 years17 of 100 (Routine)

Extremes by Year

1972 to 2025
Yearly extremes at Merriwa (Mar-Lea): the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)112.0 mm (4.4 in)197753.0 mm (2.1 in)54
Wettest five days (Rx5day)245.0 mm (9.6 in)200792.9 mm (3.7 in)54
Longest dry spell (CDD)64 days198633 days54

Wettest day (Rx1day)

Wettest day (Rx1day) at Merriwa (Mar-Lea) by year The wettest day of the year at Merriwa (Mar-Lea), 1972 to 2025. The record is 112.0 mm (4.4 in) in 1977, marked on the chart; the median year is 53.0 mm (2.1 in). 025507510012519801990200020102020Record: 112.0 mm (4.4 in) in 1977
The wettest day of the year at Merriwa (Mar-Lea), 1972 to 2025. The record is 112.0 mm (4.4 in) in 1977, marked on the chart; the median year is 53.0 mm (2.1 in).
Wettest day (Rx1day) at Merriwa (Mar-Lea) by year
YearWettest day (Rx1day)
197242.2 mm (1.7 in)
197372.1 mm (2.8 in)
197480.0 mm (3.1 in)
197571.0 mm (2.8 in)
197677.0 mm (3.0 in)
1977112.0 mm (4.4 in)
197849.0 mm (1.9 in)
197955.0 mm (2.2 in)
198046.0 mm (1.8 in)
198140.0 mm (1.6 in)
198253.0 mm (2.1 in)
198339.0 mm (1.5 in)
198467.0 mm (2.6 in)
198544.0 mm (1.7 in)
198658.0 mm (2.3 in)
1987106.2 mm (4.2 in)
198875.0 mm (3.0 in)
198982.6 mm (3.3 in)
199071.6 mm (2.8 in)
199170.0 mm (2.8 in)
199266.6 mm (2.6 in)
199343.6 mm (1.7 in)
199439.6 mm (1.6 in)
199558.0 mm (2.3 in)
199663.6 mm (2.5 in)
199751.0 mm (2.0 in)
199864.6 mm (2.5 in)
199941.4 mm (1.6 in)
200048.0 mm (1.9 in)
200131.4 mm (1.2 in)
200265.0 mm (2.6 in)
200349.6 mm (2.0 in)
200480.0 mm (3.1 in)
200548.0 mm (1.9 in)
200635.6 mm (1.4 in)
2007111.5 mm (4.4 in)
200835.6 mm (1.4 in)
200960.0 mm (2.4 in)
201069.4 mm (2.7 in)
201147.8 mm (1.9 in)
201244.2 mm (1.7 in)
2013102.2 mm (4.0 in)
201436.4 mm (1.4 in)
201538.4 mm (1.5 in)
201646.6 mm (1.8 in)
201722.0 mm (0.9 in)
201889.0 mm (3.5 in)
2019103.4 mm (4.1 in)
202077.0 mm (3.0 in)
202150.0 mm (2.0 in)
202250.6 mm (2.0 in)
202340.0 mm (1.6 in)
202453.0 mm (2.1 in)
202547.6 mm (1.9 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Merriwa (Mar-Lea) by year The wettest five days of the year at Merriwa (Mar-Lea), 1972 to 2025. The record is 245.0 mm (9.6 in) in 2007, marked on the chart; the median year is 92.9 mm (3.7 in). 010020030019801990200020102020Record: 245.0 mm (9.6 in) in 2007
The wettest five days of the year at Merriwa (Mar-Lea), 1972 to 2025. The record is 245.0 mm (9.6 in) in 2007, marked on the chart; the median year is 92.9 mm (3.7 in).
Wettest five days (Rx5day) at Merriwa (Mar-Lea) by year
YearWettest five days (Rx5day)
197270.6 mm (2.8 in)
1973119.4 mm (4.7 in)
1974172.8 mm (6.8 in)
1975123.0 mm (4.8 in)
1976170.9 mm (6.7 in)
1977181.0 mm (7.1 in)
197899.5 mm (3.9 in)
1979145.0 mm (5.7 in)
198082.0 mm (3.2 in)
1981112.0 mm (4.4 in)
198299.0 mm (3.9 in)
198380.5 mm (3.2 in)
198484.5 mm (3.3 in)
198568.0 mm (2.7 in)
198670.0 mm (2.8 in)
1987131.2 mm (5.2 in)
1988100.0 mm (3.9 in)
1989138.0 mm (5.4 in)
199086.4 mm (3.4 in)
1991116.6 mm (4.6 in)
1992193.2 mm (7.6 in)
199365.2 mm (2.6 in)
199457.2 mm (2.3 in)
199565.0 mm (2.6 in)
199692.0 mm (3.6 in)
1997125.2 mm (4.9 in)
199883.8 mm (3.3 in)
199958.0 mm (2.3 in)
200098.2 mm (3.9 in)
200173.6 mm (2.9 in)
200275.0 mm (3.0 in)
200357.1 mm (2.2 in)
200483.8 mm (3.3 in)
200549.2 mm (1.9 in)
200644.8 mm (1.8 in)
2007245.0 mm (9.6 in)
200870.0 mm (2.8 in)
200999.8 mm (3.9 in)
201094.4 mm (3.7 in)
2011106.6 mm (4.2 in)
201276.0 mm (3.0 in)
2013141.0 mm (5.6 in)
201493.8 mm (3.7 in)
201571.8 mm (2.8 in)
201658.8 mm (2.3 in)
201736.0 mm (1.4 in)
201889.0 mm (3.5 in)
2019103.4 mm (4.1 in)
2020161.2 mm (6.3 in)
202182.2 mm (3.2 in)
2022117.6 mm (4.6 in)
202380.8 mm (3.2 in)
202495.8 mm (3.8 in)
2025127.0 mm (5.0 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Merriwa (Mar-Lea) by year The longest dry spell of the year at Merriwa (Mar-Lea), 1972 to 2025. The record is 64 days in 1986, marked on the chart; the median year is 33 days. 02040608019801990200020102020Record: 64 days in 1986
The longest dry spell of the year at Merriwa (Mar-Lea), 1972 to 2025. The record is 64 days in 1986, marked on the chart; the median year is 33 days.
Longest dry spell (CDD) at Merriwa (Mar-Lea) by year
YearLongest dry spell (CDD)
197244 days
197330 days
197441 days
197529 days
197627 days
197729 days
197840 days
197947 days
198058 days
198139 days
198261 days
198324 days
198446 days
198532 days
198664 days
198733 days
198842 days
198932 days
199024 days
199132 days
199232 days
199323 days
199438 days
199557 days
199619 days
199762 days
199851 days
199954 days
200024 days
200126 days
200245 days
200333 days
200445 days
200555 days
200649 days
200751 days
200825 days
200932 days
201025 days
201119 days
201231 days
201358 days
201440 days
201530 days
201629 days
201730 days
201839 days
201957 days
202020 days
202124 days
202227 days
202338 days
202419 days
202526 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

44 years, 1973 to 2024

A day with at least 59.4 mm (2.3 in) of rain is expected about once in 2 years. A day with at least 133.9 mm (5.3 in) of rain is expected about once in 100 years.

Rainfall return levels at Merriwa (Mar-Lea): the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years59.4 mm (2.3 in)
5 years79.2 mm (3.1 in)
10 years92.3 mm (3.6 in)
25 years109.0 mm (4.3 in)
50 years121.5 mm (4.8 in)Longer than the 44 years of record
100 years133.9 mm (5.3 in)Longer than the 44 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, 44 years of values from 1973 to 2024.

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: 112.0 mm (4.4 in) in 1977; 111.5 mm (4.4 in) in 2007; 106.2 mm (4.2 in) in 1987.

Download the Data

  • Data for Merriwa (Mar-Lea) standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Merriwa (Mar-Lea) 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).