Western Australia in February 2017: Wet with mild daytime temperatures

Rainfall in February was above average for most of Western Australia, particularly in the western parts of the State, with record high totals in parts of southwest WA. The state-wide averaged rainfall was about 70% higher than the long-term average. For the South West Land Division (SWLD), it was the second wettest February on record, and the wettest February for 62 years, since 1955. Mean maximum temperatures were below average for most of WA, while mean minimum temperatures were mostly near average.

Above average rainfall for most of WA; second-wettest February for the SWLD

  • Rainfall averaged across WA was just over 100 mm, about seventy percent higher than the long-term average
  • The SWLD recorded its second-wettest February on record, and the wettest February for 62 years, since 1955
  • Many record high February daily rainfalls were recorded between 8 and 11 February as a tropical low moved over the Pilbara and an associated cloudband developed over southwest WA
  • Over fifty locations in the SWLD observed their wettest February on record, while more than an hundred sites reported their wettest February on record for at least 20 years

Below average mean maximum temperatures for most of WA

  • The mean maximum temperature for WA was 1.3 °C below average, the lowest for six years since February 2011
  • The mean maximum temperature for the SWLD was 1.6 °C below average, the lowest for sixteen years since February 2001
  • Persistent rain and cool southeasterly winds led to many locations in the SWLD observing their lowest February daily maximum temperature on record between the 8th and 10th
  • Several sites in the SWLD had their mildest February on record, while a dozen or so had their mildest February for at least 20 years
  • Mean minimum temperatures were close to average across much of WA

Heavy rainfall and flooding

  • A tropical low formed to the north of Western Australia early in February, and a cloudband associated with this tropical low developed over southwest Western Australia and brought widespread rainfall and many record high February daily rainfalls between 8 and 11 February. Flooding was reported across large parts of southwest WA as a result, with major flooding reported in the Avon catchment, and minor flooding in the Swan downstream from the Avon, as well as major flooding in the Esperance Coast Basin and Blackwood River catchment (see Special Climate Statement 60 for more details)

Further information

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Extremes in February 2017
Hottest day 42.8 °C at Port Hedland Airport on the 24th
Warmest days on average 37.6 °C at Emu Creek Station
Coolest days on average 22.2 °C at Albany
Coldest day 13.7 °C at Bickley on the 9th
Coldest night 5.0 °C at Jarrahwood on the 9th
Coolest nights on average 12.4 °C at Jarrahwood
12.4 °C at Rocky Gully
Warmest nights on average 27.1 °C at Legendre Island
26.3 °C at Karratha Aero
Warmest night 30.0 °C at Barrow Island Airport on the 25th
29.3 °C at Karratha Aero on the 5th
29.3 °C at Wittenoom on the 25th
Warmest on average overall 31.2 °C at Telfer Aero
Coolest on average overall 18.9 °C at Albany Airport
18.9 °C at North Walpole
18.9 °C at Shannon
Wettest overall 522.9 mm at Warmun
Wettest day 210.6 mm at Karratha Aero on the 9th
Strongest wind gust 115 km/h at Rowley Shoals on the 8th

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 February daily rainfall
New record
(mm)
Old
record
Years of
record
Beverley 99.4 on the 10th 82.0 on the 16th in 1955 119
Bannister 115.0 on the 10th 113.0 on the 17th in 1955 115
Brookton 96.6 on the 10th 82.6 on the 17th in 1955 110
Borden 90.0 on the 10th 74.9 on the 17th in 1955 93
Dalyup Park 90.4 on the 8th 79.6 on the 28th in 2000 84
Mount Madden 104.8 on the 11th 91.4 on the 17th in 1970 84
Wanneroo 78.8 on the 10th 34.8 on the 26th in 1915 75
Pearce RAAF 58.0 on the 10th 53.0 on the 22nd in 1986 63
Gidgegannup 67.2 on the 10th 38.6 on the 9th in 1992 59
Telina Downs 79.2 on the 9th 56.6 on the 28th in 1976 55
Karnet 115.8 on the 10th 82.8 on the 22nd in 1986 54
Kojonolokan Hills 113.2 on the 10th 64.8 on the 22nd in 1986 54
Mettler 52.4 on the 11th 50.6 on the 25th in 1980 51
Bakers Hill 75.3 on the 10th 37.2 on the 18th in 1981 50
Bickley 83.6 on the 10th 66.6 on the 21st in 1986 49
Charnley River 178.0 on the 15th 135.0 on the 9th in 2000 49
Esperance Aero 59.2 on the 8th 53.6 on the 28th in 1976 48
Culford 93.2 on the 10th 76.0 on the 22nd in 1986 47
Dampier Salt 208.0 on the 9th 147.2 on the 28th in 2006 47
Karratha Aero 210.6 on the 9th 189.8 on the 28th in 2006 44
Frankland 34.0 on the 10th 28.7 on the 9th in 1970 42
The Duke 56.8 on the 9th 33.4 on the 5th in 1997 40
Warra Jarra 80.0 on the 10th 42.8 on the 22nd in 1986 36
Bindoon 48.2 on the 10th 46.6 on the 3rd in 2012 35
Merivale Farm 42.2 on the 9th 34.0 on the 22nd in 1986 34
Nalyerlup 91.0 on the 10th 42.8 on the 22nd in 1986 34
Wagerup Refinery 52.0 on the 10th 25.2 on the 9th in 1992 34
Mount Helena 64.2 on the 10th 42.0 on the 8th in 2008 31
Pinjarra Refinery 72.2 on the 10th 23.6 on the 6th in 1993 31
Huntly 128.0 on the 10th 44.8 on the 6th in 1993 28
Nunile 62.4 on the 10th 39.0 on the 3rd in 2012 27
Munglinup 42.2 on the 12th 35.0 on the 9th in 2011 26
Rottnest Island 93.8 on the 10th 29.0 on the 17th in 2003 25
Hill Plains 58.4 on the 9th 52.2 on the 17th in 1992 24
Koorarawalyee 74.6 on the 8th 30.7 on the 21st in 1915 24
Swanbourne 97.4 on the 10th 27.0 on the 8th in 2008 24
Worsley Downs 88.0 on the 11th 39.4 on the 11th in 1980 24
Yourdamung Lake 83.8 on the 10th 12.6 on the 26th in 2009 23
Hopetoun North 42.6 on the 10th 35.0 on the 1st in 1999 22
Gingin Aero 74.0 on the 10th 40.2 on the 3rd in 2012 21
York 91.0 on the 10th 27.4 on the 18th in 2004 21
Busselton Aero 8.8 on the 14th 8.0 on the 17th in 2003 20



Record highest February total rainfall
New record
(mm)
Old
record
Years of
record
Average for
February
Carnamah 220.6 102.9 in 1955 129 16.2
Murgoo 239.7 188.6 in 1975 126 24.1
Ravensthorpe 249.2 179.3 in 1955 116 26.5
Woolgorong 170.3 119.8 in 2008 113 22.1
Warmun 522.9 456.4 in 1942 109 177.3
Quairading 152.0 143.6 in 1955 107 16.4
Telenning Hill 145.6 133.9 in 1955 100 16.3
Dalyup Park 220.0 101.6 in 1915 90 23.7
Boscabel 80.8 74.6 in 1986 88 12.9
Mount Madden 238.6 133.4 in 1978 86 23.5
Salmon Gums Res.Stn. 142.2 105.9 in 1948 84 24.4
Yealering 152.0 78.2 in 1986 83 15.6
Wanneroo 167.8 93.6 in 1986 75 14.4
Pleasant Valley 200.8 118.6 in 2000 68 28.3
Esperance Downs Research Stn 154.4 87.6 in 1970 65 26.2
Pearce RAAF 98.6 97.0 in 1992 63 13.4
Amrista Park 121.4 115.4 in 1970 62 18.7
Gidgegannup 150.8 64.8 in 1970 59 11.9
Swanara 131.6 113.5 in 1978 57 19.1
Karnet 126.6 107.1 in 1986 53 21.6
Kojonolokan Hills 172.0 80.2 in 1986 53 17.3
Telina Downs 159.8 88.2 in 1976 53 24.2
Jerramungup 98.2 81.3 in 2003 52 26.0
Bakers Hill 157.8 99.4 in 1986 50 15.4
Erinair 211.8 104.6 in 1970 50 30.5
Adina 160.4 79.8 in 1976 49 26.0
Lort River 129.4 117.0 in 1976 49 24.8
Esperance Aero 188.2 97.2 in 1976 48 28.3
Culford 124.6 100.8 in 1986 47 18.2
Esperance 145.6 80.3 in 1970 47 25.5
Denbarker 132.6 62.8 in 1989 45 24.6
Lorinna 138.2 80.2 in 1976 44 22.6
Mordetta 128.8 66.0 in 1976 43 16.3
West Lort River 162.2 105.2 in 2000 41 28.7
The Duke 159.4 76.0 in 1997 40 23.6
Karara 120.6 102.6 in 2008 38 23.6
Warra Jarra 166.4 76.6 in 1980 36 24.4
Merivale Farm 119.2 70.0 in 1983 35 22.3
Beaumont West 137.0 113.2 in 2000 34 26.9
Nalyerlup 169.8 56.2 in 1997 34 21.1
River Plains 147.6 85.4 in 2000 34 27.0
Wagerup Refinery 70.6 61.2 in 1983 34 14.0
Mount Helena 133.8 58.8 in 2008 31 16.2
Koorarawalyee 123.8 88.7 in 1915 29 19.8
Huntly 153.5 53.7 in 1990 28 18.5
Nunile 108.0 47.6 in 1992 27 15.2
Munglinup 158.0 64.6 in 1997 26 24.1
Hill Plains 119.4 77.0 in 1992 25 25.8
Rottnest Island 104.0 50.2 in 2003 25 11.1
Swanbourne 141.8 49.0 in 2008 24 12.6
Worsley Downs 148.2 87.7 in 1983 24 23.0
Jacup 84.8 69.0 in 2003 23 21.2
Yourdamung Lake 113.2 17.6 in 2003 23 9.5
Hopetoun North 169.2 72.4 in 1997 22 25.8
Gingin Aero 152.2 46.4 in 2012 21 16.3
York 160.4 41.0 in 1997 21 19.1
Busselton Aero 26.6 13.2 in 2003 20 4.4
Cunderdin Airfield 97.8 64.8 in 2003 20 15.3
Koolyanobbing 98.8 88.5 in 1970 20 29.2
Lake Grace 103.0 54.6 in 2004 20 16.9

Highest February total rainfall for at least 20 years
Observed
(mm)
Most recent
higher
Average for
February
Perth Metro 137.2 166.3 in 1955 12.5
Bannister 154.2 207.4 in 1955 15.2
Beverley 142.4 174.3 in 1955 14.1
Borden 147.2 185.2 in 1955 16.5
Brookton 139.9 194.7 in 1955 15.4
Broomehill 126.8 175.8 in 1955 16.1
Cherry Tree 96.7 165.0 in 1955 13.3
Collie 118.2 178.3 in 1955 14.5
Cranbrook 62.0 190.2 in 1955 16.3
Cranham 73.8 144.8 in 1955 15.2
Dwellingup 136.8 269.1 in 1955 21.8
Gnowangerup 155.4 232.0 in 1955 17.1
Hillcroft 117.8 205.1 in 1955 15.2
King Rocks 114.6 167.4 in 1955 23.0
Kojonup 73.8 156.1 in 1955 14.3
Marradong 126.4 276.7 in 1955 15.8
Narrogin 170.0 237.2 in 1955 16.8
Newdegate Research Station 119.6 160.9 in 1955 22.6
Northam 118.0 189.8 in 1955 13.9
Ongerup 169.4 211.2 in 1955 19.4
Pingelly 141.3 194.8 in 1955 14.4
Redlands 119.0 236.5 in 1955 15.9
Riverdale 69.0 179.3 in 1955 14.2
Wagin 186.4 254.5 in 1955 16.3
Ygnattering 94.3 106.5 in 1955 15.2
Amelup 102.2 169.5 in 1955* 14.0
Chidlow 129.2 206.0 in 1955* 16.4
Colorado 143.8 190.5 in 1955* 15.9
Dumbleyung 184.8 218.3 in 1955* 18.6
Nyabing 147.8 253.8 in 1955* 18.2
Nyerilup 89.6 232.7 in 1955* 18.8
Twolganup 106.2 183.7 in 1955* 18.8
Williams 207.4 278.1 in 1955* 16.3
Badgebup 189.6 218.1 in 1955* 17.9
Dellyanine 152.6 203.3 in 1955* 15.5
Gingin 80.0 156.8 in 1955* 13.7
Kukerin 147.0 201.7 in 1955* 18.4
Kulin 107.8 178.4 in 1955* 17.5
Toodyay 116.4 210.0 in 1955* 13.3
Wokalup 87.4 155.4 in 1955* 15.7
Chillinup 155.6 246.2 in 1955* 20.4
Pingrup 125.3 229.7 in 1955* 18.2
Arthur River 124.8 294.4 in 1955* 16.2
Horseshoe 102.8 192.3 in 1955* 13.9
Bulyee 124.0 192.0 in 1955* 17.0
Woodanilling 159.0 183.2 in 1955* 16.0
Ardath 77.4 117.6 in 1970* 17.6
Brunswick Junction 77.6 89.9 in 1970* 13.5
Hyden 113.1 120.7 in 1970* 20.0
Allan Rocks 125.6 129.0 in 1970* 24.0
Goomalling 80.4 110.2 in 1970* 14.9
Kondinin 74.2 104.2 in 1970* 15.8
Serpentine 129.2 190.2 in 1955* 12.9
Bindoon 104.2 126.2 in 1955* 17.9
Narembeen 100.8 108.9 in 1978 18.3
Westonia 97.1 124.4 in 1978 19.1
Belka 52.4 58.6 in 1979 18.0
Doongin Peak 104.2 111.0 in 1979 14.4
Highfields 107.6 109.0 in 1978* 18.8
Mount Walker 82.2 133.4 in 1978* 21.4
Mukinbudin 53.6 91.2 in 1970* 17.0
Tammin 87.0 101.4 in 1979 15.6
Coorow 59.0 77.4 in 1978* 15.7
Herne Hill 72.7 130.0 in 1955* 13.9
Muresk Institute 134.0 188.5 in 1955* 15.9
Seven Oaks 83.4 99.8 in 1978* 15.9
Spring Valley 58.6 83.8 in 1979* 18.3
Bodallin South 76.8 95.4 in 1978* 19.3
Desert Fringe 119.0 157.4 in 1978* 27.7
Bickley 104.4 122.2 in 1986 20.8
Jurien Bay 48.8 164.4 in 1986 14.5
Lancelin 91.9 92.8 in 1986 13.3
Pinjarra Refinery 88.6 95.1 in 1983* 16.0
Chamingup 80.0 83.0 in 1986* 15.1
Mundaring 99.2 108.3 in 1986* 17.9
Pickering Brook 94.6 122.8 in 1986* 22.7
Boyup Brook 55.2 56.0 in 1989 15.1
Denmark 49.8 52.6 in 1989 27.0
Barrett Meadows 54.6 65.8 in 1990 25.6
Three Springs 72.8 101.0 in 1990 16.8
Amery Acres 66.4 80.6 in 1970* 15.9
Darkan 44.8 46.4 in 1991* 13.8
Gosnells City 103.6 129.2 in 1992 16.0
Konnongorring 60.3 61.0 in 1992 14.5
Medina Research Centre 115.3 246.5 in 1992 21.5
Perth Airport 79.8 150.4 in 1992 15.1
Roleystone 101.6 153.0 in 1992 18.6
Wannamal 82.0 83.4 in 1992 15.4
Wattening 99.6 123.2 in 1992 16.4
Wongan Hills 49.2 55.2 in 1992 15.5
Doodlakine 49.4 51.4 in 1992* 15.9
Frankland 62.5 68.4 in 1970* 13.3
Jandakot Aero 121.2 185.0 in 1992* 18.4
Karragullen North 106.2 124.5 in 1986* 17.0
Midland 66.8 75.4 in 1993 13.6
Shackleton 85.2 115.5 in 1970* 17.1
Ballidu 50.2 51.8 in 1992* 15.5
Yandanooka 77.5 98.3 in 1994 13.9
Bullfinch 97.7 134.4 in 1995 23.4
Gorya Valley 79.7 88.1 in 1992* 21.6
Jarrahdale 122.0 127.2 in 1992* 15.9
Lake Nammen 67.4 79.4 in 1992* 13.3
Mindalla 41.4 58.0 in 1992* 12.9
Nangeenan 45.4 49.2 in 1995 14.5
Albany 52.2 56.8 in 1997 22.8
Bunbury 39.8 50.0 in 1997 7.6
Busselton Shire 24.3 35.6 in 1997 10.2
Gibb Rock 68.2 70.2 in 1997 17.2
Graham Rock 112.2 129.2 in 1997 20.0
Greenbushes 33.2 41.8 in 1997 15.7
Holt Rock 83.4 94.4 in 1997 22.9
Jarrahwood 29.0 42.0 in 1997 12.6
Kendenup 60.0 70.4 in 1997 17.6
Narrikup West 59.0 61.2 in 1997 25.0
Noongaar 91.0 95.8 in 1997 19.4
Perivale Orchard 37.0 42.4 in 1997 9.5
Rocky Gully 53.2 55.6 in 1997 17.7
Roelands 53.4 57.4 in 1997 11.6
Tamar 80.8 90.0 in 1997 23.9
Warner Glen 24.0 79.8 in 1997 13.2
Windrush 72.1 80.8 in 1997 24.9

* note: there are gaps in the historical record at this site, so it is possible a higher value has gone unreported




Record highest February temperature
New record
(°C)
Old
record
Years of
record
Average for
February
Cocos Island Airport 32.8 on the 23rd 32.5 on the 14th in 2014 66 30.0



Record lowest February daily maximum temperature
New record
(°C)
Old
record
Years of
record
Average for
February
Northam 15.7 on the 9th 17.5 on the 17th in 1981 110 33.7
Narrogin 14.7 on the 9th 15.3 on the 25th in 1991 99 30.3
Perth Airport 17.1 on the 9th 19.8 on the 25th in 1991 73 32.0
Cape Naturaliste 18.2 on the 10th 18.3 on the 15th in 1990 61 25.9
Pearce RAAF 17.5 on the 9th 18.8 on the 17th in 1981 57 33.3
Karnet 15.4 on the 9th 15.5 on the 25th in 1991 51 30.5
Lancelin 17.6 on the 9th 20.1 on the 14th in 1982 51 30.0
Badgingarra Research Stn 19.6 on the 9th 21.0 on the 25th in 1991 50 34.8
Brookton 15.7 on the 9th 17.4 on the 25th in 1991 50 32.4
Wongan Hills 18.2 on the 9th 19.1 on the 26th in 1995 50 34.1
Esperance 17.7 on the 8th 18.2 on the 5th in 1973 48 26.2
Jurien Bay 19.6 on the 9th 21.5 on the 15th in 1990 48 30.9
Beverley 15.4 on the 9th 17.7 on the 17th in 1981 47 33.7
Wagin 15.7 on the 9th = 15.7 on the 25th in 1991 43 30.4
Medina Research Centre 18.2 on the 9th 19.2 on the 25th in 1991 32 31.5
Jandakot Aero 17.6 on the 9th 19.3 on the 25th in 1991 28 31.7
Rottnest Island 18.0 on the 9th 20.5 on the 15th in 1990 28 27.4
Esperance Aero 16.9 on the 8th 17.1 on the 27th in 1995 26 27.6
Gosnells City 18.0 on the 9th 22.0 on the 15th in 2006 25 33.1
Bickley 13.7 on the 9th 18.0 on the 15th in 2006 24 30.7
Jacup 15.1 on the 9th 15.4 on the 27th in 2002 24 27.5
Swanbourne 17.1 on the 9th 21.2 on the 25th in 2009 24 30.7
Bunbury 19.9 on the 10th 20.7 on the 25th in 2009 22 30.1
Rocky Gully 15.6 on the 10th 16.6 on the 3rd in 2012 22 27.5
Cunderdin Airfield 16.9 on the 9th 22.2 on the 20th in 2004 21 34.3
Gingin Aero 16.7 on the 9th 22.3 on the 15th in 2006 21 33.3
Newdegate Research Station 16.1 on the 9th 18.2 on the 2nd in 2002 21 30.7
Southern Cross Airfield 16.6 on the 8th 18.4 on the 21st in 2008 21 33.8
York 15.5 on the 9th 19.3 on the 20th in 2004 21 33.8
Busselton Aero 20.2 on the 10th 21.3 on the 1st in 2016 20 30.2
Dalwallinu 18.9 on the 8th 19.5 on the 20th in 2008 20 34.9
Hopetoun North 17.2 on the 9th 17.9 on the 24th in 2016 20 25.6
Lake Grace 15.9 on the 9th 16.7 on the 20th in 2004 20 30.8



Record lowest February mean daily maximum temperature
New record
(°C)
Old
record
Years of
record
Average for
February
Northam 30.3 = 30.3 in 1951 114 33.7
Ravensthorpe 25.1 25.3 in 2011 54 28.4
Esperance Aero 25.6 25.8 in 2000 25 27.6
Bickley 27.5 27.8 in 1994 23 30.7
Swanbourne 28.4 28.9 in 2005 23 30.7
Rocky Gully 25.7 26.1 in 2002 21 27.5
Newdegate Research Station 27.3 27.9 in 2002 20 30.7
York 30.4 30.7 in 2001 20 33.8

Lowest February mean daily maximum temperature for at least 20 years
Observed
(°C)
Most recent
lower
Average for
February
Beverley 30.3 30.0 in 1981* 33.7
Hyden 29.6 28.9 in 1981* 33.1
Narembeen 30.0 29.7 in 1981* 33.2
Karnet 28.4 27.0 in 1986* 30.5
Narrogin 28.0 27.6 in 1986* 30.3
Gosnells City 30.7 30.2 in 1992* 33.1
Brookton 29.9 29.6 in 1994 32.4
Cape Naturaliste 25.7 25.6 in 1994 25.9
Donnybrook 29.1 28.7 in 1994 30.5
Jandakot Aero 29.9 29.5 in 1994 31.7
Pearce RAAF 30.8 30.0 in 1994 33.3
Perth Airport 30.3 30.2 in 1994 32.0

* note: there are gaps in the historical record at this site, so it is possible a lower value has gone unreported




Record lowest February temperature
New record
(°C)
Old
record
Years of
record
Average for
February
Carnarvon Airport 15.6 on the 10th 17.1 on the 3rd in 1983 72 23.4
Pardoo Station 17.0 on the 27th 19.0 on the 27th in 2014 24 25.6
Southern Cross Airfield 7.5 on the 22nd 9.3 on the 26th in 2009 21 17.7



Lowest February mean daily minimum temperature for at least 20 years
Observed
(°C)
Most recent
lower
Average for
February
Warmun 23.2 22.4 in 1978* 24.4
Emu Creek Station 24.0 23.7 in 1994 25.2

* note: there are gaps in the historical record at this site, so it is possible a lower value has gone unreported




Record lowest February mean temperature
Esperance Aero 20.2 = 20.2 in 1994 25 21.6
Rocky Gully 19.0 19.2 in 2002 21 20.4
York 22.8 23.4 in 2002 20 25.2

Lowest February mean temperature for at least 20 years
Observed
(°C)
Most recent
lower
Average for
February
Northam 23.3 =23.3 in 1981* 25.5
Beverley 23.2 22.8 in 1994 25.2
Bickley 21.5 20.9 in 1994 23.3
Brookton 22.6 21.8 in 1994 24.2
Gosnells City 24.5 24.4 in 1993* 26.0
Pearce RAAF 24.0 23.1 in 1994 25.5
Perth Airport 23.7 23.5 in 1994 24.7

* note: there are gaps in the historical record at this site, so it is possible a lower value has gone unreported




Summary statistics for February 2017
Maximum temperatures
(°C)
Minimum temperatures
(°C)
Rainfall
(millimetres)
Mean for
February
2017
Diff
from
average
Highest for
February
2017
Mean for
February
2017
Diff
from
average
Lowest for
February
2017
Total for
February
2017
Average
for
February
Rank of
February
2017
Fraction of
February
average
North Kimberley (district 01)
Kalumburu 33.1 -0.4 38.4 24th 24.4 +0.1 22.5 23rd 471.6 290.4 v high 162%
Mount Elizabeth 31.2 -1.3 35.2 23rd 21.9 +0.1 19.7 25th 305.0 228.5 high 133%
Troughton Island 30.8 -0.7 34.5 28th 26.2 0.0 22.8 10th 314.8 195.9 high 161%
Truscott 31.2 -1.2 35.3 28th 25.1 -0.3 22.2 10th 367.8 216.6 high 170%
Wyndham Aero 34.0 -2.1 38.9 23rd 25.0 -0.9 22.0 10th 227.6 219.6 average 104%
East Kimberley (district 02)
Argyle Aerodrome 34.0 -1.9 38.8 23rd 24.2 -1.1 21.5 10th 144.4 181.7 average 79%
Halls Creek Airport 33.7   37.8 23rd 22.7   18.9 22nd
Kununurra Aero 34.0 -1.1 38.3 23rd 24.1 -0.6 19.9 22nd 299.8 216.6 high 138%
Warmun 33.5 -2.7 38.5 23rd 23.2 -1.2 19.5 22nd 522.9 177.3 highest 295%
West Kimberley (district 03)
Bidyadanga 33.2 -1.0 38.6 25th 25.5 -0.1 22.8 16th 150.8 136.9 average 110%
Broome Airport 32.2 -0.8 36.6 25th 25.6 -0.4 22.9 28th 193.8 177.3 average 109%
Curtin Aero 33.8 -1.8 38.8 24th 24.3 -0.4 22.1 28th
Cygnet Bay     33.7 3rd 24.6 -0.7 22.3 1st 286.8 197.4 high 145%
Derby Aero 33.4 -1.2 37.9 24th 25.0 -0.4 22.9 13th 401.2 201.0 v high 200%
Fitzroy Crossing Aero 35.0 -1.9 39.2 24th 24.5 -0.2 21.6 10th 207.6 155.7 high 133%
De Grey (district 04)
Bedout Island 32.8   36.1 24th 26.8   23.0 15th
Karratha Aero 34.9 -0.9 39.7 24th 26.3 -0.4 23.3 6th 238.6 78.0 v high 306%
Legendre Island 33.2   36.8 22nd 27.1   24.2 9th
Mandora 35.6 -0.1 42.0 24th 24.7 -0.2 20.5 20th 128.8 103.3 average 125%
Marble Bar 36.9 -3.0 41.5 1st 24.9 -1.2 21.5 28th 158.8 81.7 high 194%
Roebourne Aero 35.9 -2.5 40.9 1st 25.8 -0.4 22.1 17th 118.6 65.5 average 181%
Fortescue (district 05)
Barrow Island Airport 33.1 -0.6 36.9 26th 26.3 0.0 21.6 9th 185.8 55.0 high 338%
Learmonth Airport 36.0 -1.6 41.8 5th 23.8 -0.3 19.7 9th 58.4 41.1 high 142%
Mardie 35.9 -1.6 40.4 1st 25.2 -0.1 20.4 24th 32.4 60.9 average 53%
Onslow Airport 35.5 -0.9 41.5 26th 25.3 +0.3 20.1 9th 171.8 62.2 high 276%
Wittenoom 35.0 -2.8 38.4 24th 24.9 -0.4 21.2 11th 139.4 105.1 average 133%
West Gascoyne (district 06)
Carnarvon Airport 32.1 -0.5 39.1 17th 23.6 +0.2 15.6 10th 28.4 19.9 high 143%
Denham 31.2 -0.8 41.0 2nd 23.2 +0.2 17.5 22nd 49.8 15.4 v high 323%
Emu Creek Station 37.6 -2.7 42.3 5th 24.0 -1.2 19.0 10th 213.8 65.0 v high 329%
Murchison 36.4 -2.2 40.3 25th 23.3 0.0 15.5 22nd 60.6 31.6 high 192%
Shark Bay Airport 33.7 -1.4 42.6 2nd 22.4 0.0 16.5 22nd 54.6 25.4 high 215%
East Gascoyne (district 07)
Newman Aero 35.9 -1.3 39.9 1st 23.5 -0.5 18.7 20th 56.2 71.7 average 78%
Paraburdoo Aero 36.4 -2.5 39.8 25th 23.6 -1.5 20.4 11th 147.8 75.5 high 196%
Murchison (district 07A)
Meekatharra Airport 36.6 -0.1 40.7 4th 23.9 +0.1 17.8 22nd 35.8 36.3 average 99%
Mount Magnet Aero 35.9 -0.9 40.1 3rd 23.3 +0.1 14.0 22nd 56.0 36.3 high 154%
Paynes Find 35.1 -1.4 40.0 28th 21.0 -0.2 12.1 22nd 55.6 23.9 high 233%
North Coast (district 08)
Dalwallinu 32.9 -2.0 38.4 3rd 18.3 -0.2 9.7 22nd 33.0 11.3 v high 292%
Geraldton Airport 32.4   42.2 25th 20.2   13.1 22nd 16.8
Kalbarri 33.1 -1.2 41.6 24th 21.4 +0.7 15.0 22nd 3.4 8.0 average 43%
Morawa Airport 35.0 -1.9 40.9 3rd 20.9 +0.4 12.2 22nd 28.8 17.7 high 163%
Mullewa 35.2 -1.3 40.0 3rd 21.5 +1.3 13.5 22nd 90.4 18.9 v high 478%
North Island 27.8 -0.7 33.8 18th 21.6 -0.4 17.2 9th 76.8 7.7 v high 997%
Wongan Hills 31.9 -2.2 38.8 25th 17.3 -0.9 10.5 22nd 49.2 15.5 v high 317%
Central Coast (district 09)
Badgingarra Research Stn 32.8 -2.0 40.7 25th 18.2 +0.4 9.1 22nd 33.4 15.1 high 221%
Bickley 27.5 -3.2 36.3 25th 15.5 -0.4 9.9 22nd 104.4 20.8 v high 502%
Garden Island HSF 26.8 -1.7 37.7 25th 18.8 -0.6 15.2 10th 126.8 16.3 v high 778%
Gingin Aero 30.8 -2.5 39.9 25th 16.9 -0.2 6.9 22nd 152.2 16.3 highest 934%
Gosnells City 30.7 -2.4 39.5 25th 18.4 -0.4 10.9 22nd 103.6 16.0 v high 648%
Jandakot Aero 29.9 -1.8 38.8 25th 16.9 -0.2 7.8 22nd 121.2 18.4 v high 659%
Jurien Bay 30.0 -0.9 40.4 18th 18.6 +0.6 12.2 22nd 48.8 14.5 v high 337%
Karnet 28.4 -2.1 35.9 25th 15.1 -0.7 7.1 22nd 126.6 21.6 highest 586%
Lancelin 28.1 -1.9 39.4 18th 18.6 +0.5 12.5 22nd 91.9 13.3 v high 691%
Pearce RAAF 30.8 -2.5 38.9 25th 17.2 -0.4 8.6 22nd 98.6 13.4 highest 736%
Perth Airport 30.3 -1.7 39.0 25th 17.2 -0.3 7.8 22nd 79.8 15.1 v high 528%
Perth Metro 30.1 -1.6 39.3 25th 17.7 -0.6 10.1 22nd 137.2 12.5 highest 1098%
Rottnest Island 26.2 -1.2 37.1 25th 18.8 -0.7 14.9 10th 104.0 11.1 highest 937%
Swanbourne 28.4 -2.3 38.3 25th 18.1 -0.6 12.0 22nd 141.8 12.6 highest 1125%
South Coast (district 09A)
Albany 22.2 -0.7 35.9 25th 15.7 +0.2 12.0 16th 52.2 22.8 high 229%
Albany Airport 24.2   36.9 25th 13.7   8.9 16th 56.6
Bridgetown 27.5 -2.5 36.8 25th 12.7 -0.9 7.1 22nd 58.2 12.9 v high 451%
Bunbury 28.9 -1.2 35.6 24th 15.2 -0.7 10.1 22nd 39.8 7.6 v high 524%
Busselton Aero 28.6 -1.6 34.5 28th 14.3 -0.4 8.3 23rd 26.6 4.4 highest 605%
Cape Leeuwin 23.0 -0.4 29.7 19th 17.2 -0.1 14.9 21st 15.8 15.5 high 102%
Cape Naturaliste 25.7 -0.2 32.7 24th 15.3 -0.4 11.6 9th 22.4 11.4 high 196%
Collie East 28.6 -2.3 36.5 25th 13.2 -0.8 6.8 22nd 89.6 10.5 v high 853%
Donnybrook 29.1 -1.4 37.5 25th 15.3 +0.9 10.0 22nd 60.6 15.0 v high 404%
Dwellingup 29.1 -0.6 36.8 25th 15.0 +0.4 7.7 22nd 136.8 21.8 v high 628%
Esperance 24.8 -1.4 35.8 26th 15.4 -0.8 11.9 13th 145.6 25.5 highest 571%
Esperance Aero 25.6 -2.0 37.2 7th 14.8 -0.7 11.3 18th 188.2 28.3 highest 665%
Hopetoun North 23.9 -1.7 34.3 25th 15.3 -0.4 11.5 19th 169.2 25.8 highest 656%
Jarrahwood 28.9 -1.1 36.5 25th 12.4 -1.2 5.0 9th 29.0 12.6 high 230%
Mandurah 28.6 -1.3 35.8 18th 18.5 -0.9 14.0 9th 90.0 13.0 v high 692%
Manjimup 26.1 -1.0 36.6 25th 13.0 -0.4 9.2 16th 45.6 18.6 high 245%
North Walpole 23.7 -1.4 34.8 25th 14.1 -1.1 9.9 16th 44.8 22.1 v high 203%
Rocky Gully 25.7 -1.8 36.7 25th 12.4 -0.9 7.4 16th 53.2 17.7 v high 301%
Shannon 24.9 -1.9 35.5 25th 13.0 -0.5 8.1 16th 46.4 17.3 v high 268%
Witchcliffe 26.3 -1.0 35.9 25th 13.7 -0.8 9.6 6th 21.0 9.3 high 226%
North Central (district 10)
Bencubbin 31.7 -1.9 37.7 3rd 18.2 0.0 10.6 22nd 6.6 19.8 average 33%
Cunderdin Airfield 30.7 -3.6 38.2 26th 16.8 -0.7 9.9 22nd 97.8 15.3 highest 639%
Merredin 31.8 -1.4 40.0 26th     8.8 22nd 41.4 15.5 high 267%
Northam 30.3 -3.4 38.0 19th 16.3 -0.9 8.9 22nd 118.0 13.9 v high 849%
York 30.4 -3.4 38.0 25th 15.2 -1.4 7.6 22nd 160.4 19.1 highest 840%
South Central (district 10A)
Beverley 30.3 -3.4 37.4 26th 16.1 -0.6 8.6 22nd 142.4 14.1 v high 1010%
Brookton 29.9 -2.5 36.7 26th 15.2 -0.9 7.2 22nd 139.9 15.4 v high 908%
Corrigin 29.7 -1.9 38.0 26th 15.1 -0.9 8.4 22nd
Hyden 29.6 -3.5 39.0 26th 15.4 -0.5 9.0 22nd 113.1 20.0 v high 566%
Jacup 25.4 -2.1 36.9 3rd 13.1 -0.6 7.6 22nd 84.8 21.2 highest 400%
Katanning 26.8 -3.0 35.7 3rd 13.3 -0.9 8.7 22nd 172.8 14.3 v high 1208%
Lake Grace 27.6 -3.2 36.2 3rd 15.1 -0.5 10.0 22nd 103.0 16.9 highest 609%
Narembeen 30.0 -3.2 36.2 3rd 16.4 -0.5 9.2 22nd 100.8 18.3 v high 551%
Narrogin 28.0 -2.3 35.6 3rd 14.7 +0.4 9.2 22nd 170.0 16.8 v high 1012%
Newdegate Research Station 27.3 -3.4 36.7 26th 13.4 -0.7 6.8 22nd 119.6 22.6 v high 529%
Ongerup 25.9 -2.1 34.5 25th 13.8 -0.6 9.5 22nd 169.4 19.4 v high 873%
Pingelly 29.5 -1.8 36.0 3rd     12.4 8th 141.3 14.4 v high 981%
Ravensthorpe 25.1 -3.3 34.8 3rd 14.3 -0.3 9.5 22nd 249.2 26.5 highest 940%
Wagin 28.1 -2.3 37.0 3rd 14.1 -0.8 9.0 22nd 186.4 16.3 v high 1144%
Wandering 28.7 -3.2 36.2 25th 14.1 -0.6 6.7 22nd 167.8 15.9 v high 1055%
Eucla (district 11)
Eucla 27.0 +1.4 42.3 8th 16.5 -0.6 9.6 23rd 14.8 18.6 average 80%
Eyre 27.6 +1.0 39.7 4th 15.2 -0.8 7.6 23rd 57.4 18.4 v high 312%
Forrest 31.2 -1.0 41.5 8th 15.7 -0.9 10.7 24th 28.0 27.9 average 100%
Red Rocks Point 26.0 +1.2 38.3 4th 17.4 -1.1 11.5 20th 28.2 37.0 average 76%
South East (district 12)
Bulga Downs 35.1 -1.7 41.3 4th 20.5 -1.3 13.3 22nd 86.6 30.3 v high 286%
Kalgoorlie-Boulder Airport 29.4 -2.7 38.0 4th 17.2 -0.7 9.9 22nd 83.2 31.1 v high 268%
Laverton Aero 33.0 -0.9 40.3 28th 19.8 -1.0 14.7 22nd 98.4 62.2 high 158%
Leinster Aero 34.8 -0.7 39.7 27th 21.2 -1.1 14.9 23rd 114.0 40.2 high 284%
Leonora Aero 33.5 -1.5 40.4 27th 20.8 -0.8 15.3 22nd 77.0 41.9 high 184%
Munglinup West 25.5 -3.7 35.3 7th 14.3 -0.8 10.2 22nd 182.4 36.2 v high 504%
Norseman Aero 28.5 -3.1 38.9 26th 14.7 -1.4 7.6 22nd 64.4 27.8 high 232%
Salmon Gums Res.Stn. 26.3 -3.4 36.4 26th 13.5 -0.5 6.5 18th 142.2 24.4 highest 583%
Southern Cross Airfield 31.4 -2.4 39.6 26th 17.0 -0.7 7.5 22nd 62.8 24.2 high 260%
Yeelirrie 36.1 +0.1 40.8 4th 21.2 -0.1 12.5 23rd 9.0 30.9 average 29%
North East (district 13)
Carnegie 36.1 -1.0 40.9 28th 22.7 -0.2 17.2 23rd 59.2 53.1 high 111%
Giles Meteorological Office 36.8 +0.8 39.5 15th 22.7 -0.1 14.5 20th 22.8 43.9 average 52%
Telfer Aero 37.1 -1.6 41.5 24th 25.3 -0.1 22.5 27th 112.4 100.0 average 112%
Warburton Airfield 36.2 -0.3 40.9 28th 22.2 0.0 17.0 23rd 67.6 36.3 high 186%
Wiluna 36.3 -0.3 39.5 16th     17.0 23rd 74.9 38.5 high 195%
Offshore Islands (district 200)
Adele Island 30.3   31.7 24th     24.5 24th
Browse Island 29.5   31.0 2nd 25.9   23.4 8th
Christmas Island Aero 28.4 +0.4 29.7 21st 23.0 +0.3 21.0 15th 181.6 344.5 low 53%
Cocos Island Airport 30.7 +0.7 32.8 23rd 24.8 -0.3 22.5 2nd 53.0 191.8 low 28%
Rowley Shoals 29.1   30.9 25th     22.9 2nd
Note: Observations for “Perth Metro” are taken from the current site at Mount Lawley (Bureau number 009225).
Comparisons are made against combined data from the current site (which opened in early 1993) and the previous site at Perth Regional Office (009034), which ran from 1876 to early 1992.

Notes

The Monthly climate summary, generally published on the first working day of each 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. More extensive discussion of significant weather events, along with later information and data that has had greater opportunity for quality control, will be presented in the Monthly Weather Review.

This statement has been prepared based on information available at 11 am on Wednesday 1 March 2017. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

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.

Observations for “Perth Metro” are taken from the current site at Mount Lawley (Bureau number 009225).
Comparisons are made against combined data from the current site (which opened in early 1993) and the previous site at Perth Regional Office (009034), which ran from 1876 to early 1992.

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.

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