Built 2026-10-15 (15 October 2026)

Portland Weather Records (ASN00090070)

Record envelope, standing records and threshold days for Portland (ASN00090070), Australia, with 155 years of record.

Key Facts for Portland

  • Portland (ASN00090070) is a weather station in Australia at -38.38 latitude and 141.61 longitude, 55 m (180 ft) above sea level.
  • The station reports from 1872 to 2026, 155 years of record.
  • 0 records set at Portland still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Portland set a daily record precipitation of 22.0 mm (0.9 in) on 2 June 2026.

About the Station

  • Location: Australia, -38.38 latitude, 141.61 longitude.
  • Elevation: 55 m (180 ft).
  • Period of record: 1872 to 2026, 155 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

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

All-Time Record Progression

2 new records
When Portland set new all-time records 2 all-time records were set at Portland between 19 February 1924 and 16 March 1946. Each dot is a new record. Record daily precipitation19 February 1924: Record daily precipitation 78.2 mm (3.1 in)16 March 1946: Record daily precipitation 104.1 mm (4.1 in)19251930193519401945
2 all-time records were set at Portland between 19 February 1924 and 16 March 1946. Each dot is a new record.
When Portland set new all-time records
DateKindDetail
1924-02-19Record daily precipitationRecord daily precipitation 78.2 mm (3.1 in)
1946-03-16Record daily precipitationRecord daily precipitation 104.1 mm (4.1 in)

Wettest Day of Each Month

Mar: 104.1 mm (4.1 in)
Record daily precipitation for each month at Portland The wettest day on record for each calendar month at Portland. The most was 104.1 mm (4.1 in) on 16 March 1946. 050100150 Jan: 62.0 mm (2.4 in), 6 January 1885 Jan Feb: 78.7 mm (3.1 in), 7 February 1957 Feb Mar: 104.1 mm (4.1 in), 16 March 1946 Mar Apr: 68.1 mm (2.7 in), 5 April 1939 Apr May: 72.0 mm (2.8 in), 11 May 2015 May Jun: 78.6 mm (3.1 in), 10 June 2025 Jun Jul: 66.8 mm (2.6 in), 22 July 2013 Jul Aug: 79.0 mm (3.1 in), 19 August 2013 Aug Sep: 49.6 mm (2.0 in), 23 September 1998 Sep Oct: 65.0 mm (2.6 in), 28 October 2013 Oct Nov: 75.0 mm (3.0 in), 29 November 1977 Nov Dec: 55.6 mm (2.2 in), 2 December 2024 Dec
The wettest day on record for each calendar month at Portland. The most was 104.1 mm (4.1 in) on 16 March 1946.
Record daily precipitation for each month at Portland
MonthRecord daily precipitation (mm)Date
Jan62.0 mm (2.4 in)6 January 1885
Feb78.7 mm (3.1 in)7 February 1957
Mar104.1 mm (4.1 in)16 March 1946
Apr68.1 mm (2.7 in)5 April 1939
May72.0 mm (2.8 in)11 May 2015
Jun78.6 mm (3.1 in)10 June 2025
Jul66.8 mm (2.6 in)22 July 2013
Aug79.0 mm (3.1 in)19 August 2013
Sep49.6 mm (2.0 in)23 September 1998
Oct65.0 mm (2.6 in)28 October 2013
Nov75.0 mm (3.0 in)29 November 1977
Dec55.6 mm (2.2 in)2 December 2024

Latest Records

20
Latest records at Portland
DateStationRecordValueBeat old record byOld record stoodSignificance
2 June 2026Portland, AUdaily rain22.0 mm (0.9 in)3.7 mm (0.15 in)57 years20 of 100 (Routine)
22 December 2025Portland, AUdaily rain23.0 mm (0.9 in)9.5 mm (0.37 in)115 years20 of 100 (Routine)
1 September 2025Portland, AUdaily rain20.4 mm (0.8 in)3.4 mm (0.13 in)138 years20 of 100 (Routine)
16 July 2025Portland, AUdaily rain37.8 mm (1.5 in)8.4 mm (0.33 in)16 years28 of 100 (Routine)
10 June 2025Portland, AUmonthly rain78.6 mm (3.1 in)14.6 mm (0.6 in)12 years46 of 100 (Notable)
2 December 2024Portland, AUmonthly rain55.6 mm (2.2 in)5.2 mm (0.20 in)43 years41 of 100 (Notable)
31 October 2023Portland, AUdaily rain25.0 mm (1.0 in)13.1 mm (0.5 in)108 years63 of 100 (Major)
26 June 2023Portland, AUdaily rain24.8 mm (1.0 in)1.7 mm (0.07 in)116 years20 of 100 (Routine)
17 April 2023Portland, AUdaily rain32.0 mm (1.3 in)2.8 mm (0.11 in)84 years39 of 100 (Notable)
7 April 2023Portland, AUdaily rain35.0 mm (1.4 in)2.7 mm (0.11 in)110 years44 of 100 (Notable)
21 November 2022Portland, AUdaily rain32.8 mm (1.3 in)12.7 mm (0.5 in)145 years61 of 100 (Major)
3 November 2022Portland, AUdaily rain52.4 mm (2.1 in)22.6 mm (0.9 in)45 years60 of 100 (Major)
30 August 2022Portland, AUdaily rain31.8 mm (1.3 in)5.4 mm (0.21 in)17 years23 of 100 (Routine)
18 July 2022Portland, AUdaily rain32.6 mm (1.3 in)1.4 mm (0.06 in)111 years42 of 100 (Notable)
6 June 2022Portland, AUdaily rain28.8 mm (1.1 in)2.4 mm (0.09 in)84 years38 of 100 (Notable)
7 January 2022Portland, AUdaily rain52.0 mm (2.0 in)24.6 mm (1.0 in)40 years57 of 100 (Notable)
15 November 2021Portland, AUdaily rain21.4 mm (0.8 in)7.4 mm (0.29 in)84 years20 of 100 (Routine)
29 October 2021Portland, AUdaily rain57.4 mm (2.3 in)30.2 mm (1.2 in)115 years80 of 100 (Exceptional)
23 May 2016Portland, AUdaily rain47.0 mm (1.9 in)7.9 mm (0.31 in)117 years53 of 100 (Notable)
9 May 2016Portland, AUdaily rain28.0 mm (1.1 in)11.0 mm (0.4 in)72 years49 of 100 (Notable)

Extremes by Year

1872 to 2026
Yearly extremes at Portland: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)104.1 mm (4.1 in)194634.7 mm (1.4 in)148
Wettest five days (Rx5day)195.6 mm (7.7 in)194663.0 mm (2.5 in)147
Longest dry spell (CDD)275 days202020 days148

Wettest day (Rx1day)

Wettest day (Rx1day) at Portland by year The wettest day of the year at Portland, 1872 to 2026. The record is 104.1 mm (4.1 in) in 1946, marked on the chart; the median year is 34.7 mm (1.4 in). 05010015018801900192019401960198020002020Record: 104.1 mm (4.1 in) in 1946
The wettest day of the year at Portland, 1872 to 2026. The record is 104.1 mm (4.1 in) in 1946, marked on the chart; the median year is 34.7 mm (1.4 in).
Wettest day (Rx1day) at Portland by year
YearWettest day (Rx1day)
187246.5 mm (1.8 in)
187338.4 mm (1.5 in)
187430.0 mm (1.2 in)
187530.0 mm (1.2 in)
187630.7 mm (1.2 in)
187723.4 mm (0.9 in)
187857.2 mm (2.3 in)
187931.8 mm (1.3 in)
188030.2 mm (1.2 in)
188126.9 mm (1.1 in)
188222.6 mm (0.9 in)
188324.6 mm (1.0 in)
188427.9 mm (1.1 in)
188562.0 mm (2.4 in)
188630.5 mm (1.2 in)
188730.7 mm (1.2 in)
188826.2 mm (1.0 in)
188938.9 mm (1.5 in)
189036.6 mm (1.4 in)
189145.2 mm (1.8 in)
189232.5 mm (1.3 in)
189346.5 mm (1.8 in)
189430.2 mm (1.2 in)
189542.2 mm (1.7 in)
189642.4 mm (1.7 in)
189732.5 mm (1.3 in)
189839.1 mm (1.5 in)
189950.3 mm (2.0 in)
190030.5 mm (1.2 in)
190123.9 mm (0.9 in)
190229.2 mm (1.1 in)
190323.9 mm (0.9 in)
190431.8 mm (1.3 in)
190536.1 mm (1.4 in)
190635.8 mm (1.4 in)
190727.9 mm (1.1 in)
190842.2 mm (1.7 in)
190926.2 mm (1.0 in)
191046.0 mm (1.8 in)
191139.9 mm (1.6 in)
191233.5 mm (1.3 in)
191327.9 mm (1.1 in)
191433.5 mm (1.3 in)
191534.8 mm (1.4 in)
191622.1 mm (0.9 in)
191735.6 mm (1.4 in)
191834.5 mm (1.4 in)
191943.7 mm (1.7 in)
192025.4 mm (1.0 in)
192138.1 mm (1.5 in)
192242.7 mm (1.7 in)
192341.9 mm (1.6 in)
192478.2 mm (3.1 in)
192527.9 mm (1.1 in)
193026.7 mm (1.1 in)
193123.1 mm (0.9 in)
193260.5 mm (2.4 in)
193372.4 mm (2.9 in)
193470.6 mm (2.8 in)
193531.8 mm (1.3 in)
193625.4 mm (1.0 in)
193733.3 mm (1.3 in)
193834.3 mm (1.4 in)
193968.1 mm (2.7 in)
194021.8 mm (0.9 in)
194153.6 mm (2.1 in)
194226.2 mm (1.0 in)
194322.1 mm (0.9 in)
194425.4 mm (1.0 in)
194561.5 mm (2.4 in)
1946104.1 mm (4.1 in)
194750.0 mm (2.0 in)
194836.6 mm (1.4 in)
194957.7 mm (2.3 in)
195021.3 mm (0.8 in)
195150.8 mm (2.0 in)
195241.1 mm (1.6 in)
195332.8 mm (1.3 in)
195448.3 mm (1.9 in)
195542.7 mm (1.7 in)
195647.0 mm (1.9 in)
195778.7 mm (3.1 in)
195831.5 mm (1.2 in)
195937.8 mm (1.5 in)
196071.6 mm (2.8 in)
196131.8 mm (1.3 in)
196219.6 mm (0.8 in)
196331.5 mm (1.2 in)
196423.6 mm (0.9 in)
196523.6 mm (0.9 in)
196622.6 mm (0.9 in)
196734.0 mm (1.3 in)
196836.8 mm (1.4 in)
196953.3 mm (2.1 in)
197033.0 mm (1.3 in)
197140.1 mm (1.6 in)
197261.5 mm (2.4 in)
197343.9 mm (1.7 in)
197430.4 mm (1.2 in)
197545.6 mm (1.8 in)
197649.4 mm (1.9 in)
197775.0 mm (3.0 in)
197832.2 mm (1.3 in)
197934.0 mm (1.3 in)
198050.4 mm (2.0 in)
198130.6 mm (1.2 in)
198239.6 mm (1.6 in)
198346.0 mm (1.8 in)
198429.8 mm (1.2 in)
198539.0 mm (1.5 in)
198643.4 mm (1.7 in)
198725.4 mm (1.0 in)
198832.0 mm (1.3 in)
198938.8 mm (1.5 in)
199026.0 mm (1.0 in)
199155.0 mm (2.2 in)
199250.0 mm (2.0 in)
199334.6 mm (1.4 in)
199412.6 mm (0.5 in)
199517.6 mm (0.7 in)
199636.0 mm (1.4 in)
199730.0 mm (1.2 in)
199849.6 mm (2.0 in)
199930.0 mm (1.2 in)
200042.6 mm (1.7 in)
200123.0 mm (0.9 in)
200225.0 mm (1.0 in)
200328.0 mm (1.1 in)
200429.0 mm (1.1 in)
200526.0 mm (1.0 in)
200616.4 mm (0.6 in)
200752.4 mm (2.1 in)
200814.4 mm (0.6 in)
200936.0 mm (1.4 in)
201048.0 mm (1.9 in)
201157.0 mm (2.2 in)
201264.0 mm (2.5 in)
201379.0 mm (3.1 in)
201412.2 mm (0.5 in)
201572.0 mm (2.8 in)
201654.0 mm (2.1 in)
20200.0 mm (0.00 in)
202157.4 mm (2.3 in)
202252.4 mm (2.1 in)
202335.0 mm (1.4 in)
202455.6 mm (2.2 in)
202578.6 mm (3.1 in)
202626.0 mm (1.0 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Portland by year The wettest five days of the year at Portland, 1872 to 2026. The record is 195.6 mm (7.7 in) in 1946, marked on the chart; the median year is 63.0 mm (2.5 in). 05010015020018801900192019401960198020002020Record: 195.6 mm (7.7 in) in 1946
The wettest five days of the year at Portland, 1872 to 2026. The record is 195.6 mm (7.7 in) in 1946, marked on the chart; the median year is 63.0 mm (2.5 in).
Wettest five days (Rx5day) at Portland by year
YearWettest five days (Rx5day)
187267.1 mm (2.6 in)
187349.1 mm (1.9 in)
187445.0 mm (1.8 in)
187564.6 mm (2.5 in)
187647.5 mm (1.9 in)
187747.5 mm (1.9 in)
187893.1 mm (3.7 in)
187965.4 mm (2.6 in)
188056.7 mm (2.2 in)
188179.5 mm (3.1 in)
188247.7 mm (1.9 in)
188390.1 mm (3.5 in)
188472.9 mm (2.9 in)
188564.0 mm (2.5 in)
188676.3 mm (3.0 in)
188762.5 mm (2.5 in)
188873.4 mm (2.9 in)
188951.7 mm (2.0 in)
189062.5 mm (2.5 in)
189190.9 mm (3.6 in)
189264.5 mm (2.5 in)
189376.8 mm (3.0 in)
189470.0 mm (2.8 in)
189591.1 mm (3.6 in)
189686.8 mm (3.4 in)
189742.9 mm (1.7 in)
189858.7 mm (2.3 in)
189978.2 mm (3.1 in)
190079.9 mm (3.1 in)
190135.1 mm (1.4 in)
190265.1 mm (2.6 in)
190355.1 mm (2.2 in)
190453.8 mm (2.1 in)
190563.4 mm (2.5 in)
190658.9 mm (2.3 in)
190757.5 mm (2.3 in)
190889.4 mm (3.5 in)
190959.1 mm (2.3 in)
191096.5 mm (3.8 in)
191180.2 mm (3.2 in)
1912101.1 mm (4.0 in)
191349.3 mm (1.9 in)
191452.3 mm (2.1 in)
191582.8 mm (3.3 in)
191655.8 mm (2.2 in)
191754.5 mm (2.1 in)
191866.8 mm (2.6 in)
191993.7 mm (3.7 in)
192063.0 mm (2.5 in)
192182.3 mm (3.2 in)
1922125.7 mm (4.9 in)
192373.4 mm (2.9 in)
1924107.6 mm (4.2 in)
192538.6 mm (1.5 in)
193049.1 mm (1.9 in)
193162.2 mm (2.4 in)
1932110.1 mm (4.3 in)
1933139.8 mm (5.5 in)
1934103.5 mm (4.1 in)
193572.8 mm (2.9 in)
193645.3 mm (1.8 in)
193761.5 mm (2.4 in)
193862.4 mm (2.5 in)
193987.7 mm (3.5 in)
194045.9 mm (1.8 in)
194185.0 mm (3.3 in)
194262.6 mm (2.5 in)
194358.9 mm (2.3 in)
194452.8 mm (2.1 in)
194599.8 mm (3.9 in)
1946195.6 mm (7.7 in)
194793.6 mm (3.7 in)
194859.0 mm (2.3 in)
194979.3 mm (3.1 in)
195039.8 mm (1.6 in)
195176.4 mm (3.0 in)
195275.9 mm (3.0 in)
195364.5 mm (2.5 in)
195463.2 mm (2.5 in)
1955103.1 mm (4.1 in)
195671.1 mm (2.8 in)
195779.7 mm (3.1 in)
195875.4 mm (3.0 in)
195964.2 mm (2.5 in)
196090.3 mm (3.6 in)
196159.1 mm (2.3 in)
196266.8 mm (2.6 in)
196350.9 mm (2.0 in)
196459.0 mm (2.3 in)
196552.8 mm (2.1 in)
196655.7 mm (2.2 in)
196754.8 mm (2.2 in)
196867.5 mm (2.7 in)
196968.4 mm (2.7 in)
197067.5 mm (2.7 in)
197191.8 mm (3.6 in)
1972113.6 mm (4.5 in)
197361.6 mm (2.4 in)
197499.4 mm (3.9 in)
197571.8 mm (2.8 in)
197655.6 mm (2.2 in)
197787.0 mm (3.4 in)
197858.2 mm (2.3 in)
197969.4 mm (2.7 in)
198057.8 mm (2.3 in)
198182.4 mm (3.2 in)
198249.2 mm (1.9 in)
198362.4 mm (2.5 in)
198462.8 mm (2.5 in)
198562.4 mm (2.5 in)
198663.0 mm (2.5 in)
198757.0 mm (2.2 in)
198858.6 mm (2.3 in)
198954.6 mm (2.1 in)
199058.0 mm (2.3 in)
199184.8 mm (3.3 in)
199268.2 mm (2.7 in)
199348.2 mm (1.9 in)
199431.6 mm (1.2 in)
1995n/a
199664.8 mm (2.6 in)
199760.8 mm (2.4 in)
199859.6 mm (2.3 in)
199941.4 mm (1.6 in)
200077.4 mm (3.0 in)
200154.6 mm (2.1 in)
200256.2 mm (2.2 in)
200363.9 mm (2.5 in)
200450.6 mm (2.0 in)
200550.4 mm (2.0 in)
200634.6 mm (1.4 in)
200752.4 mm (2.1 in)
200814.4 mm (0.6 in)
200949.0 mm (1.9 in)
201060.0 mm (2.4 in)
201157.0 mm (2.2 in)
201264.0 mm (2.5 in)
201379.0 mm (3.1 in)
201412.2 mm (0.5 in)
201572.0 mm (2.8 in)
201654.0 mm (2.1 in)
20200.0 mm (0.00 in)
202164.8 mm (2.6 in)
202252.4 mm (2.1 in)
202339.8 mm (1.6 in)
202471.2 mm (2.8 in)
202584.4 mm (3.3 in)
202656.8 mm (2.2 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Portland by year The longest dry spell of the year at Portland, 1872 to 2026. The record is 275 days in 2020, marked on the chart; the median year is 20 days. 010020030018801900192019401960198020002020Record: 275 days in 2020
The longest dry spell of the year at Portland, 1872 to 2026. The record is 275 days in 2020, marked on the chart; the median year is 20 days.
Longest dry spell (CDD) at Portland by year
YearLongest dry spell (CDD)
187215 days
187329 days
187412 days
187511 days
187621 days
187713 days
187832 days
187919 days
188045 days
188117 days
188221 days
188320 days
188417 days
188516 days
188620 days
188720 days
188828 days
188914 days
189021 days
189121 days
189216 days
189323 days
189420 days
189523 days
189620 days
189722 days
189826 days
189916 days
190013 days
190116 days
190224 days
190314 days
190427 days
190520 days
190634 days
190721 days
190817 days
190919 days
191017 days
191117 days
191227 days
191325 days
191424 days
191532 days
191614 days
191723 days
191819 days
191916 days
192018 days
192138 days
192216 days
192335 days
192411 days
192523 days
193011 days
193126 days
193219 days
193318 days
193435 days
193526 days
193632 days
193716 days
193815 days
193916 days
194016 days
194115 days
194217 days
194314 days
194419 days
194519 days
194611 days
194712 days
194827 days
194914 days
195018 days
195136 days
195212 days
195336 days
195424 days
195525 days
195641 days
195723 days
195819 days
195921 days
196015 days
196123 days
196215 days
196317 days
196418 days
196517 days
196616 days
196723 days
196817 days
196920 days
197034 days
197121 days
197229 days
197311 days
197417 days
197519 days
197625 days
197716 days
197815 days
197914 days
198021 days
198121 days
198219 days
198322 days
198419 days
198514 days
198633 days
198729 days
198831 days
198921 days
199016 days
199124 days
199227 days
199325 days
199434 days
19951 day
199610 days
199716 days
199817 days
199928 days
200021 days
200120 days
200221 days
200326 days
200417 days
200517 days
200636 days
200731 days
200817 days
200955 days
201017 days
201113 days
201218 days
201320 days
201414 days
201520 days
201620 days
2020275 days
202198 days
202220 days
202324 days
202470 days
202531 days
202619 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

128 years, 1872 to 2023

A day with at least 36.2 mm (1.4 in) of rain is expected about once in 2 years. A day with at least 95.9 mm (3.8 in) of rain is expected about once in 100 years.

Rainfall return levels at Portland: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years36.2 mm (1.4 in)
5 years48.9 mm (1.9 in)
10 years58.5 mm (2.3 in)
25 years72.1 mm (2.8 in)
50 years83.5 mm (3.3 in)
100 years95.9 mm (3.8 in)

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 128 years of values from 1872 to 2023.

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: 104.1 mm (4.1 in) in 1946; 79.0 mm (3.1 in) in 2013; 78.7 mm (3.1 in) in 1957.

Download the Data

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