Western Australia in spring 2023

Rainfall

  • For WA as a whole, spring rainfall was about 26.8 mm, 32% below the 1961–1990 average for spring.
  • Spring rainfall was below average in the west and south, with very much below average falls (the lowest 10% of all observations) across much of the coast from Carnarvon in the west around to Esperance in the south, including Perth.
  • Spring rainfall was below to very much below average across the South West Land Division (SWLD).
  • The Kimberley and Northern Interior districts recorded close-to-average spring rainfall.
  • A number of sites in the South West had their highest spring daily rainfall on record on the 13 September, including Busselton Shire with 117 years of record.
  • For the south west, spring rainfall was about 39% below the 1961–1990 average.
  • Some sites had their highest spring daily rainfall on record.

Temperature


Extremes in spring 2023
Hottest day 45.4 °C at Mandora on 19 Nov
Warmest days on average 40.0 °C at Fitzroy Crossing Aero
40.0 °C at Marble Bar
Coolest days on average 20.1 °C at Windy Harbour
Coldest day 12.0 °C at Manjimup on 3 Sep
Coldest night -5.2 °C at Eyre on 8 Sep
Coolest nights on average 8.2 °C at Wandering
Warmest nights on average 26.6 °C at Troughton Island
Warmest night 32.5 °C at Roebourne Aero on 7 Nov
Warmest on average overall 31.2 °C at Wyndham Aero
Coolest on average overall 15.7 °C at Shannon
Wettest overall 221.5 mm at Pemberton
Wettest day 91.4 mm at Busselton Aero on 13 Sep
Strongest wind gust 128 km/h at Rottnest Island on 13 Sep

Maps
ObservedAnomalyDecile rank
Total
rainfall
Map of Rainfall totals Map of Percentage of normal rainfall Map of Rainfall deciles
Mean
daily
maximum
temperatures
Map of Mean maximum temperature Map of Anomaly in mean maximum temperature Map of Decile rank of mean maximum temperature
Mean
daily
minimum
temperatures
Map of Mean minimum temperature Map of Anomaly in mean minimum temperature Map of Decile rank of mean minimum temperature

Click on a map to show it full size in a pop-up window


Record highest spring daily rainfall
New record
(mm)
Old
record
Years of
record
Busselton Shire 73.0 on 13 Sep 64.0 on 21 Sep 1979 117
Chamingup 60.0 on 29 Nov 48.0 on 17 Nov 1975 111
Yoongarillup 70.0 on 13 Sep 48.0 on 10 Sep 1996 67
One Tree Bridge (Hazelmere) 58.4 on 13 Sep 52.4 on 17 Nov 1984 54
Busselton Aero 91.4 on 13 Sep 50.2 on 13 Sep 2022 27
Bridgetown 44.2 on 14 Nov 42.6 on 27 Nov 2005 26
Bidellia 52.2 on 13 Sep 44.0 on 8 Oct 1999 25
Acton Park 68.0 on 13 Sep 55.2 on 13 Sep 2022 24
Werribee 38.8 on 14 Sep 33.0 on 29 Sep 2001 23
Happy Valley 34.0 on 13 Sep 30.6 on 14 Sep 2013 21
Aston Downs Alert 56.6 on 13 Sep 35.0 on 13 Sep 2022 20



Record highest spring temperature
New record
(°C)
Old
record
Years of
record
Average for
spring
Carnamah 43.2 on 21 Nov 43.1 on 11 Nov 2003 83 26.2
Mullewa 44.0 on 21 Nov 43.5 on 16 Nov 2019 81 27.3
Carnarvon Airport 43.9 on 16 Oct 43.4 on 18 Nov 1969 78 26.1
Cape Naturaliste 36.7 on 23 Nov 35.2 on 9 Nov 2019 67 19.3
Jurien Bay 41.6 on 21 Nov 40.5 on 11 Nov 2007 55 23.6
Jarrahwood 38.5 on 24 Nov 37.5 on 19 Nov 2010 45 21.0
Denham 42.0 on 15 Oct = 42.0 on 8 Nov 2019 36 25.7
Rottnest Island 38.4 on 23 Nov 36.6 on 3 Nov 1997 36 20.8
Busselton Aero 38.1 on 23 Nov 36.9 on 19 Nov 2010 27 21.5
Thevenard Island 41.4 on 20 Oct 41.0 on 23 Nov 2007 26 29.4
Varanus Island 38.5 on 20 Oct 36.9 on 27 Nov 2007 25 28.7
Garden Island HSF 39.7 on 23 Nov 38.1 on 9 Nov 2019 23 21.2
Mandurah 39.6 on 25 Nov 37.7 on 15 Nov 2019 23 21.9
Collie East 38.4 on 24 Nov 38.3 on 16 Nov 2019 21 21.8



Record highest spring mean daily maximum temperature
New record
(°C)
Old
record
Years of
record
Average for
spring
Cape Leeuwin 20.2 = 20.2 in 2010 126 18.5
Cape Naturaliste 23.2 21.7 in 2010 119 19.3
Northam 28.5 27.8 in 2015 118 24.4
Narrogin 25.7 25.4 in 2015 101 21.6
Dwellingup 24.5 23.9 in 2015 84 20.4
Manjimup 22.6 = 22.6 in 2015 83 19.2
Salmon Gums Res.Stn. 26.7 26.2 in 2015 82 23.5
Perth Airport 27.2 26.3 in 2015 79 23.0
Mullewa 31.4 30.9 in 2019 78 27.3
Meekatharra Airport 34.0 33.5 in 2019 73 29.7
Pearce RAAF 27.7 27.3 in 2015 62 23.7
Merredin 28.3 27.9 in 2019 57 24.8
Onslow Airport 35.5 = 35.5 in 2015 56 32.5
Badgingarra Research Stn 27.9 27.6 in 2019 55 24.5
Brookton 26.9 26.7 in 2015 55 23.4
Karnet 24.1 23.8 in 2015 55 21.0
Wongan Hills 28.9 28.1 in 2015 54 25.1
Beverley 28.4 28.0 in 2015 52 24.6
Hyden 28.2 28.0 in 2015 50 24.7
Learmonth Airport 35.6 34.9 in 2019 48 32.3
Emu Creek Station 37.3 36.5 in 2015 47 34.0
Paynes Find 31.9 31.1 in 2019 44 27.9
Jarrahwood 24.6 23.7 in 2015 40 21.0
Jandakot Aero 26.3 25.5 in 2010 33 23.1
Rottnest Island 23.1 22.4 in 2010 32 20.8
Swanbourne 25.0 24.7 in 2010 30 22.5
Bickley 24.4 23.7 in 2015 29 21.2
Perth Metro 26.3 25.9 in 2015 29 23.5
Mount Magnet Aero 32.6 32.4 in 2019 28 29.0
Bunbury 24.3 23.0 in 2015 27 21.4
Gingin Aero 27.7 26.9 in 2015 27 24.4
Newdegate Research Station 26.1 25.9 in 2015 27 23.2
Paraburdoo Aero 38.0 37.4 in 2019 27 35.2
Rocky Gully 22.0 21.9 in 2015 27 19.6
Cunderdin Airfield 29.1 28.6 in 2015 26 25.7
Dalwallinu 29.4 28.7 in 2019 26 26.0
Lake Grace 26.0 25.8 in 2015 26 23.2
Morawa Airport 31.4 30.8 in 2019 26 27.9
Newman Aero 36.8 36.3 in 2019 26 34.3
York 28.5 28.1 in 2015 26 24.9
Busselton Aero 24.4 23.4 in 2010 25 21.5
Wandering 25.7 25.5 in 2015 24 22.7
Shannon 21.3 21.0 in 2015 23 19.0
Roebourne Aero 38.6 = 38.6 in 2019 22 36.5
Garden Island HSF 23.9 23.1 in 2010 21 21.2
Mandurah 24.4 23.7 in 2015 21 21.9
Collie East 24.8 24.3 in 2015 20 21.8



Record highest spring daily minimum temperature
New record
(°C)
Old
record
Years of
record
Average for
spring
Carnamah 27.0 on 22 Nov 26.2 on 13 Nov 2015 83 10.7
Paynes Find 27.2 on 26 Nov 26.6 on 21 Nov 1998 45 11.7
Rottnest Island 24.9 on 23 Nov 22.2 on 22 Nov 2015 36 14.3
Karratha Aero 31.5 on 7 Nov 30.5 on 25 Nov 2006 31 20.3
Swanbourne 25.6 on 23 Nov 24.3 on 30 Nov 2022 31 12.7
Mount Magnet Aero 28.4 on 25 Nov 28.1 on 28 Nov 2006 29 14.3
Gingin Aero 24.7 on 23 Nov 23.5 on 12 Nov 2007 28 9.5
Dalwallinu 24.6 on 22 Nov 24.0 on 12 Nov 2003 27 9.9
Varanus Island 28.6 on 7 Nov 28.2 on 21 Nov 2007 25 22.4
Garden Island HSF 24.0 on 23 Nov 23.6 on 23 Nov 2004 23 13.7
Roebourne Aero 32.5 on 7 Nov 31.5 on 16 Nov 2018 23 19.1



Record lowest spring temperature
New record
(°C)
Old
record
Years of
record
Average for
spring
Busselton Aero 0.3 on 7 Sep 0.8 on 11 Oct 2010 27 9.0
North Walpole 2.9 on 7 Sep = 2.9 on 6 Oct 2021 20 10.4



Record highest spring mean daily minimum temperature
New record
(°C)
Old
record
Years of
record
Average for
spring
Cape Leeuwin 14.5 14.4 in 2006 126 12.9
Northam 11.8 11.5 in 1914 118 9.4
Albany 13.0 12.8 in 1918 106 10.8
Narrogin 10.1 9.8 in 2015 102 7.9
Dwellingup 10.7 10.2 in 2013 83 8.3
Manjimup 10.3 10.0 in 1982 83 8.6
Kalgoorlie-Boulder Airport 13.7 = 13.7 in 2006 82 11.2
Perth Airport 13.2 12.5 in 1963 79 10.7
Carnarvon Airport 17.9 17.5 in 2013 77 16.3
Meekatharra Airport 18.9 17.9 in 2019 73 15.2
Pearce RAAF 13.4 12.2 in 2013 62 10.5
Merredin 12.7 12.2 in 2015 57 9.9
Onslow Airport 20.3 20.2 in 2015 56 17.9
Badgingarra Research Stn 12.6 11.2 in 2015 55 9.8
Brookton 9.5 = 9.5 in 2014 55 8.0
Wongan Hills 12.5 11.8 in 2015 55 10.3
Esperance 12.4 = 12.4 in 2015 54 11.1
Beverley 10.4 10.2 in 2013 53 8.5
Pingelly 10.2 10.1 in 2015 51 8.8
Hyden 10.6 10.3 in 2015 50 8.6
Learmonth Airport 17.8 17.6 in 2010 48 16.2
Emu Creek Station 18.9 18.8 in 2010 47 16.7
Kalbarri 15.3 14.5 in 1982 47 12.9
Paynes Find 15.0 13.8 in 2015 44 11.7
Jandakot Aero 13.1 12.1 in 2013 33 10.3
Rottnest Island 15.8 15.5 in 2015 32 14.3
Jacup 9.4 9.0 in 2015 30 7.9
Swanbourne 15.0 14.0 in 2015 30 12.7
Bickley 11.9 11.3 in 2015 29 9.9
Leinster Aero 17.1 16.7 in 2019 29 14.7
Perth Metro 14.2 13.2 in 2013 29 11.8
Mount Magnet Aero 17.3 16.5 in 2019 28 14.3
Gingin Aero 11.9 11.3 in 1996 27 9.5
Newdegate Research Station 8.9 8.8 in 2006 27 7.2
Paraburdoo Aero 20.0 19.2 in 2010 27 17.8
Rocky Gully 9.9 9.6 in 2015 27 8.3
York 9.9 8.8 in 2013 27 7.7
Cunderdin Airfield 10.6 10.1 in 2013 26 8.4
Dalwallinu 12.0 11.4 in 2015 26 9.9
Lake Grace 10.5 = 10.5 in 2015 26 9.1
Morawa Airport 13.9 12.9 in 2015 26 11.1
Newman Aero 18.9 = 18.9 in 2006 26 17.0
Southern Cross Airfield 12.4 11.7 in 2014 26 9.4
Thevenard Island 21.9 21.8 in 2015 26 20.5
Barrow Island Airport 22.8 22.7 in 2015 24 21.4
Hopetoun North 11.8 11.4 in 2011 24 10.4
Norseman Aero 11.1 10.6 in 2014 23 9.4
Shannon 10.0 9.7 in 2006 23 8.6
Shark Bay Airport 16.8 16.1 in 2014 23 15.2
Garden Island HSF 15.2 14.9 in 2013 21 13.7
Mandurah 15.3 14.8 in 2013 21 13.6
Bulga Downs 15.9 15.2 in 2006 20 13.4

Highest spring mean daily minimum temperature for at least 20 years
Observed
(°C)
Most recent
higher
Average for
spring
Cape Naturaliste 13.0 13.2 in 1936 11.3



Record highest spring mean temperature
New record
(°C)
Old
record
Years of
record
Average for
spring
Cape Leeuwin 17.4 17.2 in 2015 126 15.7
Cape Naturaliste 18.1 17.0 in 2006 119 15.3
Northam 20.2 19.1 in 2015 118 16.9
Narrogin 17.9 17.6 in 2015 100 14.7
Dwellingup 17.6 16.9 in 2015 83 14.4
Manjimup 16.4 16.3 in 2015 83 13.9
Kalgoorlie-Boulder Airport 21.2 = 21.2 in 2019 82 18.5
Salmon Gums Res.Stn. 17.8 17.7 in 2015 82 15.7
Perth Airport 20.2 19.2 in 2015 79 16.9
Port Hedland Airport 28.9 = 28.9 in 2015 75 26.6
Meekatharra Airport 26.4 25.7 in 2019 73 22.5
Pearce RAAF 20.5 19.4 in 2015 62 17.1
Merredin 20.4 19.8 in 2015 57 17.4
Onslow Airport 27.9 = 27.9 in 2015 56 25.2
Badgingarra Research Stn 20.3 19.4 in 2019 55 17.2
Brookton 18.2 18.0 in 2015 55 15.7
Beverley 19.4 18.7 in 2015 52 16.6
Pingelly 18.1 = 18.1 in 2015 51 15.7
Hyden 19.5 19.2 in 2015 50 16.6
Learmonth Airport 26.7 25.8 in 2015 48 24.2
Emu Creek Station 28.0 27.1 in 2006 47 25.3
Paynes Find 23.4 22.3 in 2015 44 19.8
Jarrahwood 16.9 16.1 in 2015 40 14.4
Jandakot Aero 19.7 18.4 in 2015 33 16.7
Rottnest Island 19.5 18.9 in 2015 32 17.6
Swanbourne 20.0 19.2 in 2015 30 17.6
Bickley 18.2 17.5 in 2015 29 15.6
Leinster Aero 24.7 = 24.7 in 2019 29 22.1
Perth Metro 20.2 19.5 in 2015 29 17.6
Mount Magnet Aero 24.9 24.4 in 2019 28 21.7
Bunbury 18.1 17.1 in 2013 27 15.7
Gingin Aero 19.8 18.5 in 2015 27 16.9
Newdegate Research Station 17.4 16.9 in 2015 27 15.2
Paraburdoo Aero 29.0 27.9 in 2019 27 26.5
Rocky Gully 15.9 15.7 in 2015 27 14.0
Cunderdin Airfield 19.9 19.2 in 2015 26 17.1
Dalwallinu 20.7 19.8 in 2015 26 17.9
Lake Grace 18.3 18.1 in 2015 26 16.2
Morawa Airport 22.6 21.5 in 2015 26 19.5
Newman Aero 27.9 27.6 in 2019 26 25.7
Southern Cross Airfield 20.7 19.8 in 2019 26 17.7
York 19.3 18.1 in 2015 26 16.3
Busselton Aero 17.4 16.6 in 2013 25 15.3
Bridgetown 15.9 15.8 in 2015 24 14.1
Thevenard Island 26.7 26.6 in 2015 24 24.9
Wandering 16.9 16.5 in 2015 24 14.7
Norseman Aero 19.4 19.1 in 2015 23 17.5
Shannon 15.7 15.3 in 2006 23 13.8
Shark Bay Airport 23.4 23.2 in 2010 23 21.7
Garden Island HSF 19.5 18.6 in 2015 21 17.5
Mandurah 19.8 19.1 in 2015 21 17.8
Bulga Downs 24.1 23.8 in 2019 20 21.5



Summary statistics for spring 2023
Maximum temperatures
(°C)
Minimum temperatures
(°C)
Rainfall
(millimetres)
Mean for
spring
2023
Diff
from
average
Highest for
spring
2023
Mean for
spring
2023
Diff
from
average
Lowest for
spring
2023
Total for
spring
2023
Average
for
spring
Rank of
spring
2023
Fraction of
spring
average
North Kimberley (district 01)
Kalumburu 37.1 +0.3 41.6 28 Oct 22.3 +0.1 16.9 13 Sep 73.6 114.4 low 64%
Troughton Island 32.3 +0.5 34.3 30 Nov 26.6 +0.4 22.1 13 Sep 25.0 16.1 high 155%
Truscott 34.3 0.0 39.1 19 Oct 23.6 -0.7 19.2 2 Sep 18.6 55.8 average 33%
Wyndham Aero 39.0 -0.2 42.4 19 Nov 23.4 -1.0 16.3 2 Sep 75.8 80.7 average 94%
East Kimberley (district 02)
Argyle Aerodrome 38.1 0.0 42.0 3 Nov 24.2 -0.5 17.6 2 Sep 124.6 102.6 high 121%
Halls Creek Airport 37.1   41.2 17 Nov 20.3   13.2 2 Sep 46.0
Kununurra Aero 38.5 +0.3 42.3 3 Nov 21.1 -1.7 12.4 1 Sep 52.0 82.5 average 63%
West Kimberley (district 03)
Broome Airport 34.0 +1.1 40.8 5 Nov 22.7 +0.6 14.0 2 Sep 1.8 12.3 low 15%
Curtin Aero 38.9 +0.3 43.2 18 Nov 21.6 +0.2 12.6 2 Sep 2.6 32.8 low 8%
Derby Aero 37.5 +0.4 42.3 16 Oct 22.1 -0.6 12.8 1 Sep 12.2 20.3 average 60%
Fitzroy Crossing Aero 40.0 +0.5 44.3 18 Nov 21.5 -0.9 12.9 1 Sep 8.6 52.8 v low 16%
Yampi Sound (Defence) 39.2   43.3 4 Nov 20.2   10.3 2 Sep 12.6
De Grey (district 04)
Karratha Aero 35.5 +2.2 43.4 20 Nov 21.6 +1.3 14.1 6 Sep 0 3.1 lowest 0%
Legendre Island 31.5 +1.4 39.0 7 Nov 24.0 +1.4 19.3 3 Sep
Mandora 37.3 +1.8 45.4 19 Nov 19.7 +0.8 10.4 4 Sep 5.2 8.6 high 60%
Marble Bar 40.0 +2.0 44.4 21 Nov 21.6 +0.8 12.3 6 Sep 0.6 16.7 low 4%
Port Hedland Airport 37.1 +2.5 44.1 6 Nov 20.6 +2.0 13.4 5 Sep 1.4 4.7 average 30%
Roebourne Aero 38.6 +2.1 44.0 19 Nov 19.9 +0.8 11.5 1 Sep 0.4 5.3 average 8%
Fortescue (district 05)
Barrow Island Airport 31.1 +2.0 39.5 20 Oct 22.8 +1.4 17.2 8 Sep 1.8 4.3 average 42%
Karijini North 38.2   42.6 9 Nov 22.2   13.5 1 Sep 1.8
Learmonth Airport 35.6 +3.3 42.6 14 Oct 17.8 +1.6 12.1 4 Sep 0.4 5.5 average 7%
Mardie 36.9 +2.4 44.6 21 Oct 19.1 +1.7 12.3 6 Sep 0 3.6 lowest 0%
Onslow Airport 35.5 +3.0 44.6 21 Oct 20.3 +2.4 14.9 5 Sep 0.2 4.8 low 4%
Thevenard Island 31.4 +2.0 41.4 20 Oct 21.9 +1.4 17.0 9 Sep 2.2 3.8 high 58%
West Gascoyne (district 06)
Carnarvon Airport 28.1 +2.0 43.9 16 Oct 17.9 +1.6 11.0 1 Sep 0.8 15.0 lowest 5%
Emu Creek Station 37.3 +3.3 42.9 21 Nov 18.9 +2.2 12.8 1 Sep 4.2 8.9 average 47%
Shark Bay Airport 30.0 +1.8 42.8 15 Oct 16.8 +1.6 11.2 5 Sep 0.4 14.8 lowest 3%
East Gascoyne (district 07)
Newman Aero 36.8 +2.5 42.3 9 Nov 18.9 +1.9 8.6 5 Sep 1.6 22.6 v low 7%
Paraburdoo Aero 38.0 +2.8 43.1 21 Nov 20.0 +2.2 11.3 4 Sep 0 15.0 lowest 0%
Murchison (district 07A)
Meekatharra Airport 34.0 +4.3 40.7 21 Nov 18.9 +3.7 7.1 4 Sep 5.0 22.5 low 22%
Mount Magnet Aero 32.6 +3.6 41.6 21 Nov 17.3 +3.0 7.7 4 Sep 8.2 28.6 low 29%
Paynes Find 31.9 +4.0 41.2 26 Nov 15.0 +3.3 4.1 8 Sep 26.0 37.4 average 70%
North Coast (district 08)
Dalwallinu 29.4 +3.4 40.9 26 Nov 12.0 +2.1 0.6 7 Sep 45.8 51.2 average 89%
Geraldton Airport 28.1 +2.3 43.1 21 Nov 13.1 +1.4 4.3 7 Sep 21.0 57.0 low 37%
Kalbarri     40.3 15 Oct 15.3 +2.4 9.0 5 Sep 10.0 43.9 v low 23%
Morawa Airport 31.4 +3.5 43.6 21 Nov 13.9 +2.8 5.3 3 Oct 16.0 40.6 v low 39%
Mullewa 31.4 +4.1 44.0 21 Nov     6.3 5 Sep 12.7 42.6 v low 30%
Wongan Hills 28.9 +3.8 40.6 26 Nov 12.5 +2.2 1.7 7 Sep 68.4 62.0 average 110%
Central Coast (district 09)
Badgingarra Research Stn 27.9 +3.4 41.8 21 Nov 12.6 +2.8 4.9 18 Sep 40.8 92.9 low 44%
Bickley 24.4 +3.2 38.6 25 Nov 11.9 +2.0 2.8 7 Sep 139.2 229.7 v low 61%
Garden Island HSF 23.9 +2.7 39.7 23 Nov 15.2 +1.5 6.7 7 Sep 52.4 109.3 v low 48%
Gingin Aero 27.7 +3.3 40.7 22 Nov 11.9 +2.4 0.8 7 Sep 72.0 127.5 low 56%
Jandakot Aero 26.3 +3.2 39.2 23 Nov 13.1 +2.8 4.1 7 Sep 79.8 157.9 v low 51%
Karnet 24.1 +3.1 37.0 25 Nov     2.9 7 Sep 111.0 249.6 v low 44%
Millendon (Swan Valley) 27.4   40.2 25 Nov 13.1   5.5 4 Oct 97.2
Pearce RAAF 27.7 +4.0 40.3 25 Nov 13.4 +2.9 5.0 4 Oct 81.4 125.7 low 65%
Perth Airport 27.2 +4.2 39.8 23 Nov 13.2 +2.5 5.4 26 Sep 71.6 140.9 v low 51%
Perth Metro 26.3 +2.8 39.0 23 Nov 14.2 +2.4 5.2 7 Sep 56.8 147.0 lowest 39%
Rottnest Island 23.1 +2.3 38.4 23 Nov 15.8 +1.5 8.5 7 Sep 41.4 98.2 v low 42%
Swanbourne 25.0 +2.5 40.2 23 Nov 15.0 +2.3 5.8 7 Sep 64.8 144.0 v low 45%
South Coast (district 09A)
Albany     33.5 8 Oct 13.0 +2.2 7.0 7 Sep 134.8 223.6 v low 60%
Albany Airport 21.3 +1.3 33.0 8 Oct 10.7 +1.1 3.0 28 Oct 125.8 199.6 v low 63%
Bridgetown 23.0 +2.2 34.9 23 Nov 8.9 +1.5 -0.9 7 Sep 141.8 161.3 average 88%
Bunbury 24.3 +2.9 36.8 22 Nov 12.0 +2.0 2.1 7 Sep 86.8 135.3 v low 64%
Busselton Aero 24.4 +2.9 38.1 23 Nov 10.5 +1.5 0.3 7 Sep 144.0 131.6 average 109%
Cape Leeuwin 20.2 +1.7 30.6 25 Oct 14.5 +1.6 7.9 7 Sep 65.8 187.9 lowest 35%
Cape Naturaliste 23.2 +3.9 36.7 23 Nov 13.0 +1.7 5.4 7 Sep 75.6 149.0 v low 51%
Collie East 24.8 +3.0 38.4 24 Nov 9.0 +1.4 -1.2 7 Sep 84.0 152.0 v low 55%
Dwellingup 24.5 +4.1 37.4 23 Nov 10.7 +2.4 0.7 7 Sep 155.0 252.6 low 61%
Esperance 22.5 +1.2 36.2 17 Oct 12.4 +1.3 6.3 8 Sep 106.8 143.6 low 74%
Esperance Aero 23.2 +1.6 35.9 17 Oct 11.1 +1.1 5.1 8 Sep 53.8 140.7 lowest 38%
Hopetoun North 22.1 +0.6 37.8 17 Oct 11.8 +1.4 4.0 8 Sep 44.2 124.2 v low 36%
Jarrahwood 24.6 +3.6 38.5 24 Nov 9.2 +1.5 -1.5 7 Sep 136.8 197.8 low 69%
Mandurah 24.4 +2.5 39.6 25 Nov 15.3 +1.7 6.3 7 Sep 32.8 113.8 lowest 29%
Manjimup 22.6 +3.4 35.9 24 Nov 10.3 +1.7 1.6 7 Sep 178.4 226.7 low 79%
North Walpole 20.6 +1.6 31.6 16 Oct 11.5 +1.1 2.9 7 Sep 165.6 235.5 low 70%
Rocky Gully 22.0 +2.4 33.6 24 Nov 9.9 +1.6 0.2 7 Sep 141.8 188.9 low 75%
Shannon 21.3 +2.3 33.7 24 Nov 10.0 +1.4 0.5 7 Sep 180.6 245.6 low 74%
Windy Harbour 20.1 +1.0 32.0 27 Nov 11.5 +1.0 3.8 7 Sep 134.6 221.3 v low 61%
Witchcliffe West 22.0   37.6 23 Nov 11.3   2.1 7 Sep 71.6
North Central (district 10)
Cunderdin Airfield 29.1 +3.4 41.4 25 Nov 10.6 +2.2 -2.0 7 Sep 43.8 58.2 average 75%
Merredin 28.3 +3.5 39.5 17 Oct 12.7 +2.8 0.6 7 Sep 29.5 59.1 low 50%
Northam 28.5 +4.1 41.2 25 Nov 11.8 +2.4 0.9 7 Sep 42.6 73.7 low 58%
York 28.5 +3.6 41.0 25 Nov 9.9 +2.2 -1.0 7 Sep 50.7 74.4 low 68%
South Central (district 10A)
Beverley 28.4 +3.8 40.6 25 Nov 10.4 +1.9 -0.2 7 Sep 45.6 73.9 low 62%
Brookton 26.9 +3.5 38.4 25 Nov 9.5 +1.5 -0.1 7 Sep 36.6 77.2 v low 47%
Hyden 28.2 +3.5 38.3 17 Oct 10.6 +2.0 2.0 18 Sep 54.9 68.7 average 80%
Jacup 23.9 +2.1 37.4 17 Oct 9.4 +1.5 -0.9 7 Sep 68.6 112.3 low 61%
Katanning 24.0 +2.2 36.9 17 Oct 9.3 +1.4 0.7 7 Sep 52.2 103.4 v low 50%
Lake Grace 26.0 +2.8 37.4 17 Oct 10.5 +1.4 -0.1 7 Sep 41.8 72.6 low 58%
Narrogin 25.7 +4.1 37.4 24 Nov 10.1 +2.2 -0.3 7 Sep 54.8 95.5 low 57%
Newdegate Research Station 26.1 +2.9 37.7 17 Oct 8.9 +1.7 0.3 7 Sep 34.6 76.6 v low 45%
Pingelly 25.9 +3.4 36.6 24 Nov 10.2 +1.4 0.9 7 Sep 41.6 80.5 low 52%
Ravensthorpe 24.2 +1.8 37.0 17 Oct 10.8 +1.6 3.1 7 Sep 56.6 109.2 low 52%
Wagin 25.2 +3.1 37.5 24 Nov 9.6 +1.3 -0.2 7 Sep 40.7 87.9 v low 46%
Wandering 25.7 +3.0 37.3 24 Nov 8.2 +1.4 -1.1 7 Sep 73.6 105.3 low 70%
Eucla (district 11)
Eucla 23.6 +0.6 37.0 18 Oct 12.7 +1.4 3.8 8 Sep 26.4 59.0 low 45%
Eyre 24.2 +1.1 40.3 10 Oct 11.0 +1.1 -5.2 8 Sep 93.8 66.6 high 141%
Forrest 27.7 +0.4 38.6 7 Nov 11.3 +0.6 0.8 8 Sep 35.2 49.0 low 72%
Red Rocks Point 22.1 -0.6 37.2 18 Oct 13.3 +1.0 3.5 8 Sep 29.4 68.0 v low 43%
South East (district 12)
Bulga Downs 32.4 +2.8 41.0 9 Nov 15.9 +2.5 3.9 7 Sep 30.8 27.0 average 114%
Kalgoorlie-Boulder Airport 28.7 +2.9 39.9 9 Nov 13.7 +2.5 2.8 7 Sep 5.0 48.0 v low 10%
Laverton Aero 30.9 +2.6 41.5 9 Nov 16.4 +2.3 5.7 4 Sep 35.4 40.0 average 89%
Leinster Aero 32.3 +2.8 41.8 9 Nov 17.1 +2.4 6.3 5 Sep 23.8 31.6 average 75%
Leonora Aero 31.4 +2.1 42.3 9 Nov 16.6 +2.1 6.5 4 Sep 20.8 37.7 average 55%
Munglinup West 25.0 +2.0 36.9 17 Oct 10.2 +1.0 2.2 7 Sep 50.4 109.6 lowest 46%
Norseman Aero 27.7 +2.1 39.1 9 Nov 11.1 +1.7 0.0 7 Sep 25.2 66.9 low 38%
Salmon Gums Res.Stn. 26.7 +3.2 37.5 29 Sep 9.0 +1.2 0.1 8 Sep 24.4 85.4 v low 29%
Southern Cross Airfield 28.9 +2.9 37.6 5 Nov 12.4 +3.0 -0.7 7 Sep 31.6 52.1 low 61%
North East (district 13)
Carnegie 34.8 +2.3 42.5 9 Nov 17.4 +1.6 6.5 8 Sep 19.8 24.8 average 80%
Giles Meteorological Office 33.8 +2.5 40.8 10 Nov 17.9 +1.2 5.8 8 Sep 10.4 55.4 low 19%
Telfer Aero 38.7 +2.1 43.4 16 Nov 22.1 +1.6 12.8 1 Sep 0.4 20.8 v low 2%
Warburton Airfield 33.9 +2.3 43.3 10 Nov 18.3 +2.8 7.7 5 Sep 2.4 45.2 v low 5%
Wiluna Aero 33.9   42.4 9 Nov 17.7   4.7 5 Sep 4.4
Offshore Islands
Adele Island 30.7   33.0 5 Oct 26.4   23.5 5 Sep
Varanus Island 30.1 +1.4 38.5 20 Oct 23.7 +1.3 19.4 3 Sep 0.4 2.0 average 20%

Notes

The Seasonal climate summary, usually published in the first week of the following month, lists the main features of the weather in Western Australia using the most timely and accurate information available on the date of publication; it will generally not be updated.

This statement has been prepared based on information available at 12 pm on Friday 1 December 2023. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

In some situations, some or all of the rainfall is in the form of hail or snow. In these cases the totals given are for the water equivalent: the depth of liquid water that results from melting any frozen precipitation. There can be significant 'undercatch' of snow in strong winds, meaning the true precipitation can be higher than that reported.

Averages for individual sites are long-term means based on observations from all available years of record, which vary widely from site to site. They are not shown for sites with less than 10 years of record, as they cannot then be calculated reliably.
The median is sometimes more representative than the mean of long-term average rain.

The Rank indicates how rainfall this time compares with the climate record for the site, based on the decile ranking (very low rainfall is in decile 1, low in decile 2 or 3, average in decile 4 to 7, high in decile 8 or 9 and very high is in decile 10).
The Fraction of average shows how much rain has fallen this time as a percentage of the long-term mean.

Where temperature area averages are mentioned, they are derived from the ACORN-SAT dataset.

Information about Australian Indigenous seasonal calendars is available at the Indigenous Weather Knowledge website.


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