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Built 2026-10-15 (15 October 2026)

Merriwagga (Sylvanham) Weather Records (ASN00075142)

Record envelope, standing records and threshold days for Merriwagga (Sylvanham) (ASN00075142), Australia, with 59 years of record.

Key Facts for Merriwagga (Sylvanham)

  • Merriwagga (Sylvanham) (ASN00075142) is a weather station in Australia at -33.92 latitude and 145.52 longitude, 107 m (351 ft) above sea level.
  • The station reports from 1968 to 2026, 59 years of record.
  • 0 records set at Merriwagga (Sylvanham) still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Merriwagga (Sylvanham) set a daily record precipitation of 16.0 mm (0.6 in) on 10 August 2026.

About the Station

  • Location: Australia, -33.92 latitude, 145.52 longitude.
  • Elevation: 107 m (351 ft).
  • Period of record: 1968 to 2026, 59 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

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

All-Time Record Progression

1 new records
When Merriwagga (Sylvanham) set new all-time records 1 all-time records were set at Merriwagga (Sylvanham) between 21 February 2003 and 21 February 2003. Each dot is a new record. Record daily precipitation21 February 2003: Record daily precipitation 114.0 mm (4.5 in)
1 all-time records were set at Merriwagga (Sylvanham) between 21 February 2003 and 21 February 2003. Each dot is a new record.
When Merriwagga (Sylvanham) set new all-time records
DateKindDetail
2003-02-21Record daily precipitationRecord daily precipitation 114.0 mm (4.5 in)

Wettest Day of Each Month

Feb: 114.0 mm (4.5 in)
Record daily precipitation for each month at Merriwagga (Sylvanham) The wettest day on record for each calendar month at Merriwagga (Sylvanham). The most was 114.0 mm (4.5 in) on 21 February 2003. 050100150 Jan: 63.0 mm (2.5 in), 1 January 1984 Jan Feb: 114.0 mm (4.5 in), 21 February 2003 Feb Mar: 90.6 mm (3.6 in), 31 March 1989 Mar Apr: 51.1 mm (2.0 in), 23 April 1970 Apr May: 50.2 mm (2.0 in), 1 May 1983 May Jun: 50.0 mm (2.0 in), 20 June 1979 Jun Jul: 35.0 mm (1.4 in), 19 July 2013 Jul Aug: 35.2 mm (1.4 in), 28 August 1987 Aug Sep: 43.0 mm (1.7 in), 23 September 1998 Sep Oct: 73.6 mm (2.9 in), 4 October 1993 Oct Nov: 42.0 mm (1.7 in), 28 November 2010 Nov Dec: 73.4 mm (2.9 in), 2 December 2017 Dec
The wettest day on record for each calendar month at Merriwagga (Sylvanham). The most was 114.0 mm (4.5 in) on 21 February 2003.
Record daily precipitation for each month at Merriwagga (Sylvanham)
MonthRecord daily precipitation (mm)Date
Jan63.0 mm (2.5 in)1 January 1984
Feb114.0 mm (4.5 in)21 February 2003
Mar90.6 mm (3.6 in)31 March 1989
Apr51.1 mm (2.0 in)23 April 1970
May50.2 mm (2.0 in)1 May 1983
Jun50.0 mm (2.0 in)20 June 1979
Jul35.0 mm (1.4 in)19 July 2013
Aug35.2 mm (1.4 in)28 August 1987
Sep43.0 mm (1.7 in)23 September 1998
Oct73.6 mm (2.9 in)4 October 1993
Nov42.0 mm (1.7 in)28 November 2010
Dec73.4 mm (2.9 in)2 December 2017

Latest Records

20
Latest records at Merriwagga (Sylvanham)
DateStationRecordValueBeat old record byOld record stoodSignificance
10 August 2026Merriwagga (Sylvanham), AUdaily rain16.0 mm (0.6 in)8.6 mm (0.34 in)16 years20 of 100 (Routine)
2 July 2026Merriwagga (Sylvanham), AUdaily rain19.0 mm (0.7 in)7.6 mm (0.30 in)40 years20 of 100 (Routine)
14 December 2025Merriwagga (Sylvanham), AUdaily rain18.0 mm (0.7 in)6.0 mm (0.24 in)7 years13 of 100 (Routine)
11 September 2025Merriwagga (Sylvanham), AUdaily rain20.8 mm (0.8 in)10.4 mm (0.4 in)34 years20 of 100 (Routine)
22 May 2025Merriwagga (Sylvanham), AUdaily rain20.0 mm (0.8 in)0.6 mm (0.02 in)44 years18 of 100 (Routine)
12 February 2025Merriwagga (Sylvanham), AUdaily rain18.0 mm (0.7 in)0.2 mm (0.01 in)14 years9 of 100 (Routine)
31 May 2024Merriwagga (Sylvanham), AUdaily rain41.0 mm (1.6 in)18.4 mm (0.7 in)2 years28 of 100 (Routine)
7 April 2024Merriwagga (Sylvanham), AUdaily rain (Tie)11.0 mm (0.4 in)tie14 years2 of 100 (Routine)
6 April 2024Merriwagga (Sylvanham), AUdaily rain27.0 mm (1.1 in)23.4 mm (0.9 in)49 years44 of 100 (Notable)
17 March 2024Merriwagga (Sylvanham), AUdaily rain50.0 mm (2.0 in)15.6 mm (0.6 in)12 years19 of 100 (Routine)
17 January 2024Merriwagga (Sylvanham), AUdaily rain37.0 mm (1.5 in)17.2 mm (0.7 in)28 years27 of 100 (Routine)
20 December 2023Merriwagga (Sylvanham), AUdaily rain11.0 mm (0.4 in)5.0 mm (0.20 in)1 year10 of 100 (Routine)
29 November 2023Merriwagga (Sylvanham), AUdaily rain36.6 mm (1.4 in)28.4 mm (1.1 in)14 years43 of 100 (Notable)
21 November 2023Merriwagga (Sylvanham), AUdaily rain15.0 mm (0.6 in)12.7 mm (0.5 in)50 years20 of 100 (Routine)
23 August 2023Merriwagga (Sylvanham), AUdaily rain12.0 mm (0.5 in)2.6 mm (0.10 in)26 years18 of 100 (Routine)
4 July 2023Merriwagga (Sylvanham), AUdaily rain14.0 mm (0.6 in)4.0 mm (0.16 in)38 years20 of 100 (Routine)
6 June 2023Merriwagga (Sylvanham), AUdaily rain17.0 mm (0.7 in)4.8 mm (0.19 in)44 years20 of 100 (Routine)
22 January 2023Merriwagga (Sylvanham), AUdaily rain47.4 mm (1.9 in)13.2 mm (0.5 in)47 years30 of 100 (Routine)
11 November 2022Merriwagga (Sylvanham), AUdaily rain13.6 mm (0.5 in)1.7 mm (0.07 in)52 years20 of 100 (Routine)
1 November 2022Merriwagga (Sylvanham), AUdaily rain22.0 mm (0.9 in)7.0 mm (0.28 in)7 years15 of 100 (Routine)

Extremes by Year

1968 to 2026
Yearly extremes at Merriwagga (Sylvanham): the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)114.0 mm (4.5 in)200341.9 mm (1.6 in)59
Wettest five days (Rx5day)171.6 mm (6.8 in)201257.2 mm (2.3 in)59
Longest dry spell (CDD)87 days202437 days59

Wettest day (Rx1day)

Wettest day (Rx1day) at Merriwagga (Sylvanham) by year The wettest day of the year at Merriwagga (Sylvanham), 1968 to 2026. The record is 114.0 mm (4.5 in) in 2003, marked on the chart; the median year is 41.9 mm (1.6 in). 0255075100125197019801990200020102020Record: 114.0 mm (4.5 in) in 2003
The wettest day of the year at Merriwagga (Sylvanham), 1968 to 2026. The record is 114.0 mm (4.5 in) in 2003, marked on the chart; the median year is 41.9 mm (1.6 in).
Wettest day (Rx1day) at Merriwagga (Sylvanham) by year
YearWettest day (Rx1day)
196841.9 mm (1.6 in)
196959.2 mm (2.3 in)
197051.1 mm (2.0 in)
197137.8 mm (1.5 in)
197226.9 mm (1.1 in)
197348.8 mm (1.9 in)
197465.6 mm (2.6 in)
197541.0 mm (1.6 in)
197634.2 mm (1.3 in)
197753.0 mm (2.1 in)
197844.6 mm (1.8 in)
197950.0 mm (2.0 in)
198036.0 mm (1.4 in)
198128.4 mm (1.1 in)
198233.0 mm (1.3 in)
198356.0 mm (2.2 in)
198463.0 mm (2.5 in)
198532.4 mm (1.3 in)
198640.8 mm (1.6 in)
198735.2 mm (1.4 in)
198840.8 mm (1.6 in)
198990.6 mm (3.6 in)
199025.0 mm (1.0 in)
199127.0 mm (1.1 in)
199232.2 mm (1.3 in)
199373.6 mm (2.9 in)
199436.0 mm (1.4 in)
199537.0 mm (1.5 in)
199653.6 mm (2.1 in)
199727.4 mm (1.1 in)
199843.0 mm (1.7 in)
199949.0 mm (1.9 in)
200049.6 mm (2.0 in)
200126.0 mm (1.0 in)
200214.8 mm (0.6 in)
2003114.0 mm (4.5 in)
200431.0 mm (1.2 in)
200551.4 mm (2.0 in)
200622.4 mm (0.9 in)
200732.4 mm (1.3 in)
200827.8 mm (1.1 in)
200924.0 mm (0.9 in)
201051.0 mm (2.0 in)
201142.8 mm (1.7 in)
201266.4 mm (2.6 in)
201362.0 mm (2.4 in)
201451.0 mm (2.0 in)
201529.6 mm (1.2 in)
201646.2 mm (1.8 in)
201773.4 mm (2.9 in)
201824.6 mm (1.0 in)
201944.2 mm (1.7 in)
202080.0 mm (3.1 in)
202140.0 mm (1.6 in)
202243.0 mm (1.7 in)
202347.4 mm (1.9 in)
202450.0 mm (2.0 in)
202520.8 mm (0.8 in)
202619.0 mm (0.7 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Merriwagga (Sylvanham) by year The wettest five days of the year at Merriwagga (Sylvanham), 1968 to 2026. The record is 171.6 mm (6.8 in) in 2012, marked on the chart; the median year is 57.2 mm (2.3 in). 050100150200197019801990200020102020Record: 171.6 mm (6.8 in) in 2012
The wettest five days of the year at Merriwagga (Sylvanham), 1968 to 2026. The record is 171.6 mm (6.8 in) in 2012, marked on the chart; the median year is 57.2 mm (2.3 in).
Wettest five days (Rx5day) at Merriwagga (Sylvanham) by year
YearWettest five days (Rx5day)
196882.3 mm (3.2 in)
196968.3 mm (2.7 in)
197063.3 mm (2.5 in)
197167.1 mm (2.6 in)
197234.5 mm (1.4 in)
197385.4 mm (3.4 in)
1974108.0 mm (4.3 in)
197557.6 mm (2.3 in)
197644.8 mm (1.8 in)
197770.0 mm (2.8 in)
197853.0 mm (2.1 in)
197953.0 mm (2.1 in)
198049.2 mm (1.9 in)
198142.6 mm (1.7 in)
198253.6 mm (2.1 in)
198376.0 mm (3.0 in)
198486.0 mm (3.4 in)
198568.0 mm (2.7 in)
198643.8 mm (1.7 in)
198741.2 mm (1.6 in)
198853.0 mm (2.1 in)
198996.6 mm (3.8 in)
199039.2 mm (1.5 in)
199139.8 mm (1.6 in)
199257.6 mm (2.3 in)
1993108.4 mm (4.3 in)
199436.0 mm (1.4 in)
199555.2 mm (2.2 in)
199658.4 mm (2.3 in)
199741.8 mm (1.6 in)
199871.6 mm (2.8 in)
199957.2 mm (2.3 in)
200074.8 mm (2.9 in)
200136.2 mm (1.4 in)
200218.2 mm (0.7 in)
2003129.4 mm (5.1 in)
200458.4 mm (2.3 in)
200574.4 mm (2.9 in)
200631.4 mm (1.2 in)
200734.6 mm (1.4 in)
200836.4 mm (1.4 in)
200929.6 mm (1.2 in)
201094.0 mm (3.7 in)
201186.4 mm (3.4 in)
2012171.6 mm (6.8 in)
201363.0 mm (2.5 in)
201481.0 mm (3.2 in)
201555.0 mm (2.2 in)
201656.6 mm (2.2 in)
201794.2 mm (3.7 in)
201834.2 mm (1.3 in)
201955.0 mm (2.2 in)
202086.4 mm (3.4 in)
202158.0 mm (2.3 in)
202257.2 mm (2.3 in)
202347.4 mm (1.9 in)
202460.2 mm (2.4 in)
202532.6 mm (1.3 in)
202632.8 mm (1.3 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Merriwagga (Sylvanham) by year The longest dry spell of the year at Merriwagga (Sylvanham), 1968 to 2026. The record is 87 days in 2024, marked on the chart; the median year is 37 days. 20406080100197019801990200020102020Record: 87 days in 2024
The longest dry spell of the year at Merriwagga (Sylvanham), 1968 to 2026. The record is 87 days in 2024, marked on the chart; the median year is 37 days.
Longest dry spell (CDD) at Merriwagga (Sylvanham) by year
YearLongest dry spell (CDD)
196821 days
196934 days
197030 days
197133 days
197245 days
197324 days
197434 days
197530 days
197649 days
197734 days
197837 days
197938 days
198040 days
198131 days
198261 days
198354 days
198473 days
198535 days
198635 days
198734 days
198827 days
198936 days
199041 days
199164 days
199234 days
199325 days
199465 days
199557 days
199633 days
199731 days
199838 days
199932 days
200030 days
200132 days
200252 days
200345 days
200443 days
200549 days
200653 days
200747 days
200844 days
200926 days
201029 days
201128 days
201228 days
201352 days
201429 days
201542 days
201641 days
201753 days
201838 days
201934 days
202027 days
202140 days
202239 days
202342 days
202487 days
202545 days
202637 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 41.1 mm (1.6 in) of rain is expected about once in 2 years. A day with at least 105.0 mm (4.1 in) of rain is expected about once in 100 years.

Rainfall return levels at Merriwagga (Sylvanham): the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years41.1 mm (1.6 in)
5 years57.1 mm (2.2 in)
10 years68.1 mm (2.7 in)
25 years82.5 mm (3.2 in)
50 years93.7 mm (3.7 in)
100 years105.0 mm (4.1 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: 114.0 mm (4.5 in) in 2003; 90.6 mm (3.6 in) in 1989; 80.0 mm (3.1 in) in 2020.

Download the Data

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