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Built 2026-10-15 (15 October 2026)

Somerton Weather Records (ASN00086108)

Record envelope, standing records and threshold days for Somerton (ASN00086108), Australia, with 56 years of record.

Key Facts for Somerton

  • Somerton (ASN00086108) is a weather station in Australia at -37.65 latitude and 144.90 longitude, 177 m (582 ft) above sea level.
  • The station reports from 1909 to 1964, 56 years of record.
  • 0 records set at Somerton still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Somerton set a daily record precipitation of 17.5 mm (0.7 in) on 29 December 1964.

About the Station

  • Location: Australia, -37.65 latitude, 144.90 longitude.
  • Elevation: 177 m (582 ft).
  • Period of record: 1909 to 1964, 56 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

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

All-Time Record Progression

1 new records
When Somerton set new all-time records 1 all-time records were set at Somerton between 26 February 1946 and 26 February 1946. Each dot is a new record. Record daily precipitation26 February 1946: Record daily precipitation 116.1 mm (4.6 in)
1 all-time records were set at Somerton between 26 February 1946 and 26 February 1946. Each dot is a new record.
When Somerton set new all-time records
DateKindDetail
1946-02-26Record daily precipitationRecord daily precipitation 116.1 mm (4.6 in)

Wettest Day of Each Month

Feb: 116.1 mm (4.6 in)
Record daily precipitation for each month at Somerton The wettest day on record for each calendar month at Somerton. The most was 116.1 mm (4.6 in) on 26 February 1946. 050100150 Jan: 113.3 mm (4.5 in), 29 January 1963 Jan Feb: 116.1 mm (4.6 in), 26 February 1946 Feb Mar: 68.6 mm (2.7 in), 5 March 1919 Mar Apr: 40.9 mm (1.6 in), 21 April 1960 Apr May: 44.5 mm (1.8 in), 16 May 1918 May Jun: 55.9 mm (2.2 in), 2 June 1913 Jun Jul: 57.7 mm (2.3 in), 11 July 1957 Jul Aug: 72.9 mm (2.9 in), 26 August 1924 Aug Sep: 78.2 mm (3.1 in), 23 September 1916 Sep Oct: 61.7 mm (2.4 in), 13 October 1932 Oct Nov: 51.8 mm (2.0 in), 30 November 1934 Nov Dec: 100.1 mm (3.9 in), 5 December 1933 Dec
The wettest day on record for each calendar month at Somerton. The most was 116.1 mm (4.6 in) on 26 February 1946.
Record daily precipitation for each month at Somerton
MonthRecord daily precipitation (mm)Date
Jan113.3 mm (4.5 in)29 January 1963
Feb116.1 mm (4.6 in)26 February 1946
Mar68.6 mm (2.7 in)5 March 1919
Apr40.9 mm (1.6 in)21 April 1960
May44.5 mm (1.8 in)16 May 1918
Jun55.9 mm (2.2 in)2 June 1913
Jul57.7 mm (2.3 in)11 July 1957
Aug72.9 mm (2.9 in)26 August 1924
Sep78.2 mm (3.1 in)23 September 1916
Oct61.7 mm (2.4 in)13 October 1932
Nov51.8 mm (2.0 in)30 November 1934
Dec100.1 mm (3.9 in)5 December 1933

Latest Records

20
Latest records at Somerton
DateStationRecordValueBeat old record byOld record stoodSignificance
29 December 1964Somerton, AUdaily rain17.5 mm (0.7 in)1.8 mm (0.07 in)16 years10 of 100 (Routine)
8 October 1964Somerton, AUdaily rain24.1 mm (0.9 in)1.5 mm (0.06 in)25 years14 of 100 (Routine)
29 September 1964Somerton, AUdaily rain21.3 mm (0.8 in)1.5 mm (0.06 in)24 years14 of 100 (Routine)
12 September 1964Somerton, AUdaily rain11.4 mm (0.4 in)1.7 mm (0.07 in)21 years13 of 100 (Routine)
11 September 1964Somerton, AUdaily rain17.8 mm (0.7 in)1.3 mm (0.05 in)54 years20 of 100 (Routine)
4 July 1964Somerton, AUdaily rain18.3 mm (0.7 in)6.9 mm (0.27 in)8 years20 of 100 (Routine)
3 July 1964Somerton, AUdaily rain9.9 mm (0.39 in)0.2 mm (0.01 in)52 years20 of 100 (Routine)
26 May 1964Somerton, AUdaily rain7.9 mm (0.31 in)0.5 mm (0.02 in)38 years16 of 100 (Routine)
9 April 1964Somerton, AUdaily rain35.8 mm (1.4 in)25.1 mm (1.0 in)40 years54 of 100 (Notable)
12 February 1964Somerton, AUdaily rain30.7 mm (1.2 in)20.0 mm (0.8 in)29 years27 of 100 (Routine)
7 February 1964Somerton, AUdaily rain16.5 mm (0.6 in)0.5 mm (0.02 in)4 years6 of 100 (Routine)
13 July 1963Somerton, AUdaily rain39.4 mm (1.6 in)6.1 mm (0.24 in)10 years20 of 100 (Routine)
3 June 1963Somerton, AUdaily rain14.7 mm (0.6 in)0.5 mm (0.02 in)50 years20 of 100 (Routine)
17 May 1963Somerton, AUdaily rain18.0 mm (0.7 in)4.3 mm (0.17 in)0 years13 of 100 (Routine)
24 March 1963Somerton, AUdaily rain23.4 mm (0.9 in)7.4 mm (0.29 in)8 years14 of 100 (Routine)
29 January 1963Somerton, AUmonthly rain113.3 mm (4.5 in)39.6 mm (1.6 in)37 years64 of 100 (Major)
28 January 1963Somerton, AUdaily rain27.9 mm (1.1 in)12.7 mm (0.5 in)39 years28 of 100 (Routine)
14 January 1963Somerton, AUdaily rain17.0 mm (0.7 in)4.3 mm (0.17 in)44 years20 of 100 (Routine)
20 October 1962Somerton, AUdaily rain51.1 mm (2.0 in)33.8 mm (1.3 in)15 years49 of 100 (Notable)
8 August 1962Somerton, AUdaily rain11.4 mm (0.4 in)0.5 mm (0.02 in)23 years11 of 100 (Routine)

Extremes by Year

1909 to 1964
Yearly extremes at Somerton: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)116.1 mm (4.6 in)194643.9 mm (1.7 in)52
Wettest five days (Rx5day)224.8 mm (8.9 in)191671.1 mm (2.8 in)52
Longest dry spell (CDD)52 days192624 days52

Wettest day (Rx1day)

Wettest day (Rx1day) at Somerton by year The wettest day of the year at Somerton, 1909 to 1964. The record is 116.1 mm (4.6 in) in 1946, marked on the chart; the median year is 43.9 mm (1.7 in). 0255075100125191019201930194019501960Record: 116.1 mm (4.6 in) in 1946
The wettest day of the year at Somerton, 1909 to 1964. The record is 116.1 mm (4.6 in) in 1946, marked on the chart; the median year is 43.9 mm (1.7 in).
Wettest day (Rx1day) at Somerton by year
YearWettest day (Rx1day)
190935.8 mm (1.4 in)
191037.3 mm (1.5 in)
191278.2 mm (3.1 in)
191355.9 mm (2.2 in)
191434.3 mm (1.4 in)
191527.9 mm (1.1 in)
191678.2 mm (3.1 in)
191749.8 mm (2.0 in)
191844.5 mm (1.8 in)
191968.6 mm (2.7 in)
192041.4 mm (1.6 in)
192133.0 mm (1.3 in)
192253.3 mm (2.1 in)
192323.4 mm (0.9 in)
192472.9 mm (2.9 in)
192525.9 mm (1.0 in)
192673.7 mm (2.9 in)
192731.0 mm (1.2 in)
192848.0 mm (1.9 in)
192949.3 mm (1.9 in)
193057.9 mm (2.3 in)
193132.5 mm (1.3 in)
193261.7 mm (2.4 in)
1933100.1 mm (3.9 in)
193451.8 mm (2.0 in)
193530.5 mm (1.2 in)
193978.0 mm (3.1 in)
194032.5 mm (1.3 in)
194173.2 mm (2.9 in)
194243.2 mm (1.7 in)
194325.7 mm (1.0 in)
194421.6 mm (0.9 in)
194526.2 mm (1.0 in)
1946116.1 mm (4.6 in)
194736.3 mm (1.4 in)
194820.1 mm (0.8 in)
194953.6 mm (2.1 in)
195051.3 mm (2.0 in)
195171.6 mm (2.8 in)
195234.3 mm (1.4 in)
195359.9 mm (2.4 in)
195441.9 mm (1.6 in)
195539.4 mm (1.6 in)
195655.6 mm (2.2 in)
195757.7 mm (2.3 in)
195830.7 mm (1.2 in)
195930.5 mm (1.2 in)
196040.9 mm (1.6 in)
196132.8 mm (1.3 in)
196251.1 mm (2.0 in)
1963113.3 mm (4.5 in)
196435.8 mm (1.4 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Somerton by year The wettest five days of the year at Somerton, 1909 to 1964. The record is 224.8 mm (8.9 in) in 1916, marked on the chart; the median year is 71.1 mm (2.8 in). 050100150200250191019201930194019501960Record: 224.8 mm (8.9 in) in 1916
The wettest five days of the year at Somerton, 1909 to 1964. The record is 224.8 mm (8.9 in) in 1916, marked on the chart; the median year is 71.1 mm (2.8 in).
Wettest five days (Rx5day) at Somerton by year
YearWettest five days (Rx5day)
190961.0 mm (2.4 in)
191051.1 mm (2.0 in)
191280.0 mm (3.1 in)
191396.8 mm (3.8 in)
191444.5 mm (1.8 in)
191561.0 mm (2.4 in)
1916224.8 mm (8.9 in)
191753.6 mm (2.1 in)
191868.8 mm (2.7 in)
1919121.6 mm (4.8 in)
192073.2 mm (2.9 in)
192164.2 mm (2.5 in)
192264.7 mm (2.5 in)
192343.8 mm (1.7 in)
1924102.2 mm (4.0 in)
192541.7 mm (1.6 in)
192680.6 mm (3.2 in)
192757.2 mm (2.3 in)
192860.2 mm (2.4 in)
192984.3 mm (3.3 in)
1930123.0 mm (4.8 in)
193169.6 mm (2.7 in)
193276.9 mm (3.0 in)
1933113.3 mm (4.5 in)
193497.2 mm (3.8 in)
193595.0 mm (3.7 in)
1939140.0 mm (5.5 in)
194054.9 mm (2.2 in)
194188.5 mm (3.5 in)
194248.0 mm (1.9 in)
194340.1 mm (1.6 in)
194446.5 mm (1.8 in)
194542.4 mm (1.7 in)
1946137.4 mm (5.4 in)
194770.7 mm (2.8 in)
194853.3 mm (2.1 in)
194995.3 mm (3.8 in)
195068.1 mm (2.7 in)
1951133.8 mm (5.3 in)
195271.4 mm (2.8 in)
195376.3 mm (3.0 in)
1954108.0 mm (4.3 in)
195553.4 mm (2.1 in)
195690.4 mm (3.6 in)
195797.9 mm (3.9 in)
195847.2 mm (1.9 in)
195975.2 mm (3.0 in)
1960102.6 mm (4.0 in)
196150.9 mm (2.0 in)
196264.5 mm (2.5 in)
1963145.8 mm (5.7 in)
196457.7 mm (2.3 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Somerton by year The longest dry spell of the year at Somerton, 1909 to 1964. The record is 52 days in 1926, marked on the chart; the median year is 24 days. 0204060191019201930194019501960Record: 52 days in 1926
The longest dry spell of the year at Somerton, 1909 to 1964. The record is 52 days in 1926, marked on the chart; the median year is 24 days.
Longest dry spell (CDD) at Somerton by year
YearLongest dry spell (CDD)
190924 days
191026 days
191220 days
191331 days
191430 days
191522 days
191626 days
191720 days
191825 days
191924 days
192019 days
192133 days
192225 days
192345 days
192416 days
192522 days
192652 days
19279 days
192820 days
192921 days
193028 days
193123 days
193236 days
193332 days
193435 days
193533 days
193925 days
194031 days
194120 days
194224 days
194332 days
194429 days
194530 days
194616 days
194723 days
194830 days
194919 days
195025 days
195125 days
195223 days
195328 days
195425 days
195516 days
195620 days
195718 days
195827 days
195917 days
196018 days
196121 days
196224 days
196316 days
196420 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

49 years, 1909 to 1964

A day with at least 45.0 mm (1.8 in) of rain is expected about once in 2 years. A day with at least 118.7 mm (4.7 in) of rain is expected about once in 100 years.

Rainfall return levels at Somerton: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years45.0 mm (1.8 in)
5 years63.4 mm (2.5 in)
10 years76.1 mm (3.0 in)
25 years92.8 mm (3.7 in)
50 years105.6 mm (4.2 in)Longer than the 49 years of record
100 years118.7 mm (4.7 in)Longer than the 49 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, 49 years of values from 1909 to 1964.

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: 116.1 mm (4.6 in) in 1946; 100.1 mm (3.9 in) in 1933; 78.2 mm (3.1 in) in 1912.

Download the Data

  • Data for Somerton standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Somerton 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).