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Jandakot Aero Weather Records (ASN00009172)

Record envelope, standing records and threshold days for Jandakot Aero (ASN00009172), Australia, with 55 years of record.

Key Facts for Jandakot Aero

  • Jandakot Aero (ASN00009172) is a weather station in Australia at -32.10 latitude and 115.88 longitude, 30 m (98 ft) above sea level.
  • The station reports from 1972 to 2026, 55 years of record.
  • 1,464 records set at Jandakot Aero still stand.
  • Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
  • Jandakot Aero set a daily record high minimum temperature of 14.8 C (58.6 F) on 19 September 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: Australia, -32.10 latitude, 115.88 longitude.
  • Elevation: 30 m (98 ft).
  • Period of record: 1972 to 2026, 55 years.
  • Eligible elements: tmax, tmin, prcp.

Daily Record Envelope and 2026

16 days at or beyond a record
Daily record high and record low at Jandakot Aero, with 2026 drawn through them The band shows the record high and record low for each calendar day at Jandakot Aero. The lines show the 2026 daily maximum and minimum. 16 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -1001020304050 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Jandakot Aero. The lines show the 2026 daily maximum and minimum. 16 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Jandakot Aero, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan45.7 C (114.3 F)4.7 C (40.5 F)41.1 C (106.0 F)11.2 C (52.2 F)
Feb46.6 C (115.9 F)6.5 C (43.7 F)41.8 C (107.2 F)11.2 C (52.2 F)
Mar43.0 C (109.4 F)1.6 C (34.9 F)39.8 C (103.6 F)9.5 C (49.1 F)
Apr39.2 C (102.6 F)2.3 C (36.1 F)31.0 C (87.8 F)6.1 C (43.0 F)
May33.4 C (92.1 F)-0.6 C (30.9 F)27.8 C (82.0 F)0.5 C (32.9 F)
Jun25.6 C (78.1 F)-3.4 C (25.9 F)22.5 C (72.5 F)0.3 C (32.5 F)
Jul25.9 C (78.6 F)-2.8 C (27.0 F)25.1 C (77.2 F)1.3 C (34.3 F)
Aug29.4 C (84.9 F)-1.4 C (29.5 F)25.5 C (77.9 F)0.5 C (32.9 F)
Sep34.2 C (93.6 F)-1.3 C (29.7 F)30.1 C (86.2 F)6.8 C (44.2 F)
Oct37.4 C (99.3 F)-1.0 C (30.2 F)20.3 C (68.5 F)6.0 C (42.8 F)
Nov40.3 C (104.5 F)0.8 C (33.4 F)n/an/a
Dec44.0 C (111.2 F)3.2 C (37.8 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Jandakot Aero by the year they were set 1,464 records at Jandakot Aero still stand. 1998 holds the most, with 64. 0204060801989: 201990: 451991: 511992: 21993: 261994: 421995: 211996: 381997: 351998: 641999: 422000: 342001: 452002: 362003: 492004: 592005: 552006: 402007: 382008: 342009: 312010: 482011: 292012: 432013: 392014: 382015: 362016: 382017: 332018: 252019: 502020: 542021: 352022: 352023: 392024: 562025: 402026: 191989199319972001200520092013201720212025
1,464 records at Jandakot Aero still stand. 1998 holds the most, with 64.
Standing records at Jandakot Aero by the year they were set
Year setStanding records
198920
199045
199151
19922
199326
199442
199521
199638
199735
199864
199942
200034
200145
200236
200349
200459
200555
200640
200738
200834
200931
201048
201129
201243
201339
201438
201536
201638
201733
201825
201950
202054
202135
202235
202339
202456
202540
202619

All-Time Record Progression

1 new records
When Jandakot Aero set new all-time records 1 all-time records were set at Jandakot Aero between 25 August 2025 and 25 August 2025. Each dot is a new record. Record low maximum temperature25 August 2025: Record low maximum temperature 10.7 C (51.3 F)2025
1 all-time records were set at Jandakot Aero between 25 August 2025 and 25 August 2025. Each dot is a new record.
When Jandakot Aero set new all-time records
DateKindDetail
2025-08-25Record low maximum temperatureRecord low maximum temperature 10.7 C (51.3 F)

Wettest Day of Each Month

Feb: 173.0 mm (6.8 in)
Record daily precipitation for each month at Jandakot Aero The wettest day on record for each calendar month at Jandakot Aero. The most was 173.0 mm (6.8 in) on 9 February 1992. 050100150200 Jan: 119.0 mm (4.7 in), 16 January 2018 Jan Feb: 173.0 mm (6.8 in), 9 February 1992 Feb Mar: 77.4 mm (3.0 in), 28 March 2026 Mar Apr: 68.0 mm (2.7 in), 9 April 1985 Apr May: 66.4 mm (2.6 in), 25 May 1981 May Jun: 82.6 mm (3.3 in), 25 June 1986 Jun Jul: 138.8 mm (5.5 in), 29 July 1987 Jul Aug: 64.0 mm (2.5 in), 4 August 1994 Aug Sep: 54.6 mm (2.1 in), 14 September 1984 Sep Oct: 67.6 mm (2.7 in), 1 October 1978 Oct Nov: 31.6 mm (1.2 in), 10 November 2004 Nov Dec: 45.4 mm (1.8 in), 31 December 1983 Dec
The wettest day on record for each calendar month at Jandakot Aero. The most was 173.0 mm (6.8 in) on 9 February 1992.
Record daily precipitation for each month at Jandakot Aero
MonthRecord daily precipitation (mm)Date
Jan119.0 mm (4.7 in)16 January 2018
Feb173.0 mm (6.8 in)9 February 1992
Mar77.4 mm (3.0 in)28 March 2026
Apr68.0 mm (2.7 in)9 April 1985
May66.4 mm (2.6 in)25 May 1981
Jun82.6 mm (3.3 in)25 June 1986
Jul138.8 mm (5.5 in)29 July 1987
Aug64.0 mm (2.5 in)4 August 1994
Sep54.6 mm (2.1 in)14 September 1984
Oct67.6 mm (2.7 in)1 October 1978
Nov31.6 mm (1.2 in)10 November 2004
Dec45.4 mm (1.8 in)31 December 1983

Period of Record Coverage

1989 to 2026
Days with data per year at Jandakot Aero 38 years of record at Jandakot Aero, 1989 to 2026. 3 years have data for under 90 percent of days and are left out of rankings: 1992, 1993, 2026. 1989: 332 of 365 days1990: 365 of 365 days1991: 363 of 365 days1992: 57 of 366 days1993: 179 of 365 days1994: 350 of 365 days1995: 363 of 365 days1996: 361 of 366 days1997: 361 of 365 days1998: 365 of 365 days1999: 363 of 365 days2000: 366 of 366 days2001: 361 of 365 days2002: 364 of 365 days2003: 361 of 365 days2004: 366 of 366 days2005: 365 of 365 days2006: 365 of 365 days2007: 365 of 365 days2008: 364 of 366 days2009: 365 of 365 days2010: 365 of 365 days2011: 365 of 365 days2012: 366 of 366 days2013: 365 of 365 days2014: 361 of 365 days2015: 365 of 365 days2016: 362 of 366 days2017: 364 of 365 days2018: 361 of 365 days2019: 363 of 365 days2020: 365 of 366 days2021: 360 of 365 days2022: 363 of 365 days2023: 364 of 365 days2024: 365 of 366 days2025: 361 of 365 days2026: 272 of 365 days19901995200020052010201520202025
38 years of record at Jandakot Aero, 1989 to 2026. 3 years have data for under 90 percent of days and are left out of rankings: 1992, 1993, 2026.
Days with data per year at Jandakot Aero
YearDays with dataShare of yearComplete
198933291%Yes
1990365100%Yes
199136399%Yes
19925716%No
199317949%No
199435096%Yes
199536399%Yes
199636199%Yes
199736199%Yes
1998365100%Yes
199936399%Yes
2000366100%Yes
200136199%Yes
2002364100%Yes
200336199%Yes
2004366100%Yes
2005365100%Yes
2006365100%Yes
2007365100%Yes
200836499%Yes
2009365100%Yes
2010365100%Yes
2011365100%Yes
2012366100%Yes
2013365100%Yes
201436199%Yes
2015365100%Yes
201636299%Yes
2017364100%Yes
201836199%Yes
201936399%Yes
2020365100%Yes
202136099%Yes
202236399%Yes
2023364100%Yes
2024365100%Yes
202536199%Yes
202627275%No

Latest Records

20
Latest records at Jandakot Aero
DateStationRecordValueBeat old record byOld record stoodSignificance
19 September 2026Jandakot Aero, AUdaily high min (Provisional)14.8 C (58.6 F)0.3 C (0.5 F)17 years8 of 100 (Routine)
18 September 2026Jandakot Aero, AUdaily high max (Provisional)28.6 C (83.5 F)3.9 C (7.0 F)8 years17 of 100 (Routine)
17 September 2026Jandakot Aero, AUdaily high max (Provisional)29.5 C (85.1 F)2.2 C (4.0 F)1 year10 of 100 (Routine)
17 September 2026Jandakot Aero, AUdaily high min (Provisional)16.9 C (62.4 F)0.3 C (0.5 F)13 years7 of 100 (Routine)
16 September 2026Jandakot Aero, AUdaily high max (Provisional)30.1 C (86.2 F)2.0 C (3.6 F)13 years13 of 100 (Routine)
16 September 2026Jandakot Aero, AUdaily high min (Provisional)14.7 C (58.5 F)0.4 C (0.7 F)3 years4 of 100 (Routine)
12 September 2026Jandakot Aero, AUdaily high min (Provisional)15.3 C (59.5 F)0.2 C (0.4 F)32 years12 of 100 (Routine)
30 August 2026Jandakot Aero, AUdaily high max (Provisional)25.5 C (77.9 F)2.6 C (4.7 F)20 years19 of 100 (Routine)
14 August 2026Jandakot Aero, AUdaily high max (Tie)22.5 C (72.5 F)tie11 years1 of 100 (Routine)
8 August 2026Jandakot Aero, AUdaily low max12.1 C (53.8 F)2.5 C (4.5 F)9 years15 of 100 (Routine)
3 August 2026Jandakot Aero, AUdaily high max23.8 C (74.8 F)0.4 C (0.7 F)16 years8 of 100 (Routine)
18 July 2026Jandakot Aero, AUdaily high min14.4 C (57.9 F)1.3 C (2.3 F)27 years14 of 100 (Routine)
15 July 2026Jandakot Aero, AUdaily high max25.1 C (77.2 F)3.4 C (6.1 F)9 years21 of 100 (Routine)
9 July 2026Jandakot Aero, AUdaily high max22.1 C (71.8 F)0.8 C (1.4 F)36 years16 of 100 (Routine)
25 June 2026Jandakot Aero, AUdaily high max22.2 C (72.0 F)0.3 C (0.5 F)23 years10 of 100 (Routine)
15 June 2026Jandakot Aero, AUdaily low max15.2 C (59.4 F)0.4 C (0.7 F)16 years8 of 100 (Routine)
24 May 2026Jandakot Aero, AUdaily low min0.5 C (32.9 F)1.8 C (3.2 F)16 years12 of 100 (Routine)
2 May 2026Jandakot Aero, AUdaily low max18.2 C (64.8 F)1.2 C (2.2 F)8 years8 of 100 (Routine)
2 May 2026Jandakot Aero, AUdaily low min3.3 C (37.9 F)0.1 C (0.2 F)12 years6 of 100 (Routine)
27 April 2026Jandakot Aero, AUdaily low max17.8 C (64.0 F)0.5 C (0.9 F)9 years6 of 100 (Routine)

Climate Trend

34 complete years, 1990 to 2025
Annual mean temperature at Jandakot Aero as warming stripes, 1990 to 2025 One stripe for each of 34 complete years at Jandakot Aero, 1990 to 2025. Blue stripes are years cooler than the station's own mean of 18.2 C (64.8 F); red stripes are warmer. The coolest year was 2001, at 17.1 C (62.7 F), and the warmest was 2024, at 19.8 C (67.6 F). The strongest colour marks a difference of 1.6 C (2.9 F). 1990: 17.6 C, -0.6 C from the station mean1991: 18.4 C, +0.2 C from the station mean1994: 17.9 C, -0.3 C from the station mean1995: 17.8 C, -0.4 C from the station mean1996: 17.9 C, -0.3 C from the station mean1997: 17.8 C, -0.4 C from the station mean1998: 17.7 C, -0.5 C from the station mean1999: 18.4 C, +0.2 C from the station mean2000: 17.7 C, -0.5 C from the station mean2001: 17.1 C, -1.2 C from the station mean2002: 17.7 C, -0.5 C from the station mean2003: 17.9 C, -0.3 C from the station mean2004: 17.7 C, -0.5 C from the station mean2005: 17.1 C, -1.1 C from the station mean2006: 17.7 C, -0.5 C from the station mean2007: 17.7 C, -0.6 C from the station mean2008: 17.7 C, -0.5 C from the station mean2009: 18.3 C, +0.1 C from the station mean2010: 18.3 C, 0.0 C from the station mean2011: 19.3 C, +1.1 C from the station mean2012: 18.6 C, +0.3 C from the station mean2013: 18.8 C, +0.6 C from the station mean2014: 18.6 C, +0.4 C from the station mean2015: 18.7 C, +0.5 C from the station mean2016: 17.7 C, -0.5 C from the station mean2017: 18.5 C, +0.3 C from the station mean2018: 18.2 C, 0.0 C from the station mean2019: 18.6 C, +0.4 C from the station mean2020: 18.9 C, +0.7 C from the station mean2021: 18.6 C, +0.4 C from the station mean2022: 18.6 C, +0.4 C from the station mean2023: 19.0 C, +0.8 C from the station mean2024: 19.8 C, +1.6 C from the station mean2025: 19.0 C, +0.7 C from the station mean19901995200020052010201520202025
One stripe for each of 34 complete years at Jandakot Aero, 1990 to 2025. Blue stripes are years cooler than the station's own mean of 18.2 C (64.8 F); red stripes are warmer. The coolest year was 2001, at 17.1 C (62.7 F), and the warmest was 2024, at 19.8 C (67.6 F). The strongest colour marks a difference of 1.6 C (2.9 F).
Annual mean temperature at Jandakot Aero as warming stripes, 1990 to 2025
YearAnnual mean temperatureDifference from the station mean
199017.6 C-0.61 C
199118.4 C+0.21 C
199417.9 C-0.30 C
199517.8 C-0.43 C
199617.9 C-0.34 C
199717.8 C-0.38 C
199817.7 C-0.49 C
199918.4 C+0.15 C
200017.7 C-0.48 C
200117.1 C-1.16 C
200217.7 C-0.52 C
200317.9 C-0.29 C
200417.7 C-0.49 C
200517.1 C-1.11 C
200617.7 C-0.54 C
200717.7 C-0.57 C
200817.7 C-0.54 C
200918.3 C+0.11 C
201018.3 C+0.03 C
201119.3 C+1.12 C
201218.6 C+0.34 C
201318.8 C+0.60 C
201418.6 C+0.39 C
201518.7 C+0.49 C
201617.7 C-0.48 C
201718.5 C+0.29 C
201818.2 C-0.01 C
201918.6 C+0.42 C
202018.9 C+0.68 C
202118.6 C+0.36 C
202218.6 C+0.37 C
202319.0 C+0.78 C
202419.8 C+1.57 C
202519.0 C+0.74 C

The annual mean temperature here has risen by 0.4 C (0.2 to 0.6) per decade over 1990 to 2025. In Fahrenheit: 0.7 F (0.4 to 1.0) per decade. The slope is a straight line fitted to 34 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Jandakot Aero
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.4 C (0.2 to 0.6) per decade0.7 F (0.4 to 1.0) per decade1990 to 202534Rise
Mean daily maximum0.4 C (0.2 to 0.6) per decade0.8 F (0.4 to 1.1) per decade1990 to 202534Rise
Mean daily minimum0.4 C (0.2 to 0.6) per decade0.7 F (0.3 to 1.1) per decade1990 to 202534Rise

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1972 to 2026
Yearly extremes at Jandakot Aero: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)46.6 C (115.9 F)199141.8 C (107.2 F)38
Coldest night (TNn)-3.4 C (25.9 F)2006-0.8 C (30.6 F)38
Wettest day (Rx1day)173.0 mm (6.8 in)199250.2 mm (2.0 in)55
Wettest five days (Rx5day)181.8 mm (7.2 in)198690.8 mm (3.6 in)55
Longest dry spell (CDD)90 days202444 days55

Hottest day (TXx)

Hottest day (TXx) at Jandakot Aero by year The hottest day of the year at Jandakot Aero, 1972 to 2026. The record is 46.6 C (115.9 F) in 1991, marked on the chart; the median year is 41.8 C (107.2 F). 38404244464819801990200020102020Record: 46.6 C (115.9 F) in 1991
The hottest day of the year at Jandakot Aero, 1972 to 2026. The record is 46.6 C (115.9 F) in 1991, marked on the chart; the median year is 41.8 C (107.2 F).
Hottest day (TXx) at Jandakot Aero by year
YearHottest day (TXx)
1972n/a
1973n/a
1974n/a
1975n/a
1976n/a
1977n/a
1978n/a
1979n/a
1980n/a
1981n/a
1982n/a
1983n/a
1984n/a
1985n/a
1986n/a
1987n/a
1988n/a
198943.0 C (109.4 F)
199042.3 C (108.1 F)
199146.6 C (115.9 F)
199240.3 C (104.5 F)
199341.3 C (106.3 F)
199440.5 C (104.9 F)
199540.9 C (105.6 F)
199641.6 C (106.9 F)
199744.5 C (112.1 F)
199842.8 C (109.0 F)
199939.6 C (103.3 F)
200040.5 C (104.9 F)
200140.2 C (104.4 F)
200240.9 C (105.6 F)
200343.0 C (109.4 F)
200441.2 C (106.2 F)
200542.3 C (108.1 F)
200640.0 C (104.0 F)
200744.0 C (111.2 F)
200841.0 C (105.8 F)
200942.3 C (108.1 F)
201043.0 C (109.4 F)
201140.6 C (105.1 F)
201241.5 C (106.7 F)
201341.3 C (106.3 F)
201443.2 C (109.8 F)
201543.7 C (110.7 F)
201643.3 C (109.9 F)
201741.7 C (107.1 F)
201840.5 C (104.9 F)
201942.0 C (107.6 F)
202041.6 C (106.9 F)
202143.3 C (109.9 F)
202242.3 C (108.1 F)
202339.6 C (103.3 F)
202443.5 C (110.3 F)
202542.9 C (109.2 F)
202641.8 C (107.2 F)

Coldest night (TNn)

Coldest night (TNn) at Jandakot Aero by year The coldest night of the year at Jandakot Aero, 1972 to 2026. The record is -3.4 C (25.9 F) in 2006, marked on the chart; the median year is -0.8 C (30.6 F). -505101519801990200020102020Record: -3.4 C (25.9 F) in 2006
The coldest night of the year at Jandakot Aero, 1972 to 2026. The record is -3.4 C (25.9 F) in 2006, marked on the chart; the median year is -0.8 C (30.6 F).
Coldest night (TNn) at Jandakot Aero by year
YearColdest night (TNn)
1972n/a
1973n/a
1974n/a
1975n/a
1976n/a
1977n/a
1978n/a
1979n/a
1980n/a
1981n/a
1982n/a
1983n/a
1984n/a
1985n/a
1986n/a
1987n/a
1988n/a
19890.9 C (33.6 F)
1990-1.0 C (30.2 F)
19910.4 C (32.7 F)
199211.6 C (52.9 F)
1993-1.3 C (29.7 F)
1994-1.0 C (30.2 F)
19950.0 C (32.0 F)
19960.0 C (32.0 F)
1997-2.2 C (28.0 F)
1998-2.8 C (27.0 F)
1999-0.1 C (31.8 F)
2000-1.4 C (29.5 F)
2001-1.0 C (30.2 F)
2002-1.0 C (30.2 F)
2003-0.7 C (30.7 F)
2004-1.4 C (29.5 F)
2005-2.5 C (27.5 F)
2006-3.4 C (25.9 F)
20070.7 C (33.3 F)
2008-1.3 C (29.7 F)
2009-0.4 C (31.3 F)
2010-2.5 C (27.5 F)
2011-0.4 C (31.3 F)
2012-1.6 C (29.1 F)
2013-1.2 C (29.8 F)
20140.1 C (32.2 F)
2015-1.5 C (29.3 F)
2016-1.6 C (29.1 F)
20170.7 C (33.3 F)
20181.4 C (34.5 F)
2019-0.1 C (31.8 F)
20201.7 C (35.1 F)
20210.1 C (32.2 F)
20221.7 C (35.1 F)
2023-0.9 C (30.4 F)
20242.3 C (36.1 F)
2025-1.3 C (29.7 F)
20260.3 C (32.5 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Jandakot Aero by year The wettest day of the year at Jandakot Aero, 1972 to 2026. The record is 173.0 mm (6.8 in) in 1992, marked on the chart; the median year is 50.2 mm (2.0 in). 05010015020019801990200020102020Record: 173.0 mm (6.8 in) in 1992
The wettest day of the year at Jandakot Aero, 1972 to 2026. The record is 173.0 mm (6.8 in) in 1992, marked on the chart; the median year is 50.2 mm (2.0 in).
Wettest day (Rx1day) at Jandakot Aero by year
YearWettest day (Rx1day)
197220.8 mm (0.8 in)
197349.8 mm (2.0 in)
197442.2 mm (1.7 in)
197533.2 mm (1.3 in)
197661.4 mm (2.4 in)
197734.6 mm (1.4 in)
197867.6 mm (2.7 in)
197936.8 mm (1.4 in)
198052.2 mm (2.1 in)
198166.4 mm (2.6 in)
198276.0 mm (3.0 in)
198377.0 mm (3.0 in)
198464.4 mm (2.5 in)
198568.0 mm (2.7 in)
198682.6 mm (3.3 in)
1987138.8 mm (5.5 in)
198871.8 mm (2.8 in)
198945.0 mm (1.8 in)
199039.6 mm (1.6 in)
199135.6 mm (1.4 in)
1992173.0 mm (6.8 in)
19934.0 mm (0.16 in)
199464.0 mm (2.5 in)
199567.6 mm (2.7 in)
199641.0 mm (1.6 in)
199734.6 mm (1.4 in)
199844.0 mm (1.7 in)
199948.0 mm (1.9 in)
200063.0 mm (2.5 in)
200159.0 mm (2.3 in)
200263.0 mm (2.5 in)
200348.2 mm (1.9 in)
200431.6 mm (1.2 in)
200565.8 mm (2.6 in)
200632.2 mm (1.3 in)
200741.6 mm (1.6 in)
200850.2 mm (2.0 in)
200928.4 mm (1.1 in)
201036.6 mm (1.4 in)
201154.4 mm (2.1 in)
201235.4 mm (1.4 in)
201351.8 mm (2.0 in)
201455.8 mm (2.2 in)
201556.8 mm (2.2 in)
201638.4 mm (1.5 in)
201799.8 mm (3.9 in)
2018119.0 mm (4.7 in)
201954.6 mm (2.1 in)
202039.2 mm (1.5 in)
202147.4 mm (1.9 in)
202233.0 mm (1.3 in)
202358.8 mm (2.3 in)
202448.8 mm (1.9 in)
202547.2 mm (1.9 in)
202677.4 mm (3.0 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Jandakot Aero by year The wettest five days of the year at Jandakot Aero, 1972 to 2026. The record is 181.8 mm (7.2 in) in 1986, marked on the chart; the median year is 90.8 mm (3.6 in). 05010015020019801990200020102020Record: 181.8 mm (7.2 in) in 1986
The wettest five days of the year at Jandakot Aero, 1972 to 2026. The record is 181.8 mm (7.2 in) in 1986, marked on the chart; the median year is 90.8 mm (3.6 in).
Wettest five days (Rx5day) at Jandakot Aero by year
YearWettest five days (Rx5day)
197220.8 mm (0.8 in)
197395.0 mm (3.7 in)
197494.0 mm (3.7 in)
197580.0 mm (3.1 in)
197690.8 mm (3.6 in)
197791.4 mm (3.6 in)
1978144.2 mm (5.7 in)
197973.6 mm (2.9 in)
1980105.8 mm (4.2 in)
1981135.2 mm (5.3 in)
1982125.0 mm (4.9 in)
1983127.4 mm (5.0 in)
198491.2 mm (3.6 in)
1985109.2 mm (4.3 in)
1986181.8 mm (7.2 in)
1987166.8 mm (6.6 in)
1988123.8 mm (4.9 in)
198984.6 mm (3.3 in)
199094.8 mm (3.7 in)
1991103.8 mm (4.1 in)
1992177.8 mm (7.0 in)
19938.4 mm (0.33 in)
199489.0 mm (3.5 in)
199572.0 mm (2.8 in)
1996127.0 mm (5.0 in)
199776.0 mm (3.0 in)
199885.6 mm (3.4 in)
199960.0 mm (2.4 in)
2000122.0 mm (4.8 in)
200178.0 mm (3.1 in)
2002104.0 mm (4.1 in)
200368.0 mm (2.7 in)
200475.6 mm (3.0 in)
2005131.6 mm (5.2 in)
200660.6 mm (2.4 in)
200780.6 mm (3.2 in)
200884.2 mm (3.3 in)
200990.8 mm (3.6 in)
201079.2 mm (3.1 in)
2011103.6 mm (4.1 in)
201265.6 mm (2.6 in)
201391.6 mm (3.6 in)
201483.2 mm (3.3 in)
201580.2 mm (3.2 in)
201690.0 mm (3.5 in)
2017120.4 mm (4.7 in)
2018122.0 mm (4.8 in)
201984.2 mm (3.3 in)
202068.4 mm (2.7 in)
202188.0 mm (3.5 in)
202270.0 mm (2.8 in)
2023111.8 mm (4.4 in)
2024104.4 mm (4.1 in)
2025115.0 mm (4.5 in)
202687.6 mm (3.4 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Jandakot Aero by year The longest dry spell of the year at Jandakot Aero, 1972 to 2026. The record is 90 days in 2024, marked on the chart; the median year is 44 days. 2040608010019801990200020102020Record: 90 days in 2024
The longest dry spell of the year at Jandakot Aero, 1972 to 2026. The record is 90 days in 2024, marked on the chart; the median year is 44 days.
Longest dry spell (CDD) at Jandakot Aero by year
YearLongest dry spell (CDD)
197257 days
197384 days
197476 days
197579 days
197631 days
197751 days
197837 days
197932 days
198042 days
198148 days
198240 days
198339 days
198452 days
198537 days
198631 days
198765 days
198882 days
198939 days
199027 days
199155 days
199227 days
199346 days
199488 days
199532 days
199635 days
199742 days
199852 days
199943 days
200058 days
200152 days
200260 days
200332 days
200460 days
200544 days
200635 days
200746 days
200837 days
200956 days
201081 days
201165 days
201235 days
201340 days
201488 days
201536 days
201632 days
201730 days
201838 days
201930 days
202057 days
202137 days
202223 days
202383 days
202490 days
202547 days
202656 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

48 years, 1973 to 2025

A day with at least 49.4 mm (1.9 in) of rain is expected about once in 2 years. A day with at least 137.5 mm (5.4 in) of rain is expected about once in 100 years.

Rainfall return levels at Jandakot Aero: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years49.4 mm (1.9 in)
5 years67.4 mm (2.7 in)
10 years81.2 mm (3.2 in)
25 years101.4 mm (4.0 in)
50 years118.5 mm (4.7 in)Longer than the 48 years of record
100 years137.5 mm (5.4 in)Longer than the 48 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, 48 years of values from 1973 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: 138.8 mm (5.5 in) in 1987; 119.0 mm (4.7 in) in 2018; 99.8 mm (3.9 in) in 2017.

Download the Data

  • Data for Jandakot Aero standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Jandakot Aero 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 (2026-10-14).