Wednesday, 1 December 2010 - Monthly Climate Summary for Western Australia - Product code IDCKGC21R0

Western Australia in November 2010: A warm month

  • Near average rainfall for WA.
  • Mean maximum temperature above average for WA, but highest in southwest WA
  • Mean minimum temperature above average for WA, but 4th highest in southwest WA

Details Extremes Maps Records Summaries Important notes the top

Rainfall

Rainfall was near average over much of WA during November 2010, though above to very much above average rainfall was reported in large parts of the Gascoyne and west Pilbara, as well as parts of the west Kimberley. Below to very much below average rainfall occurred in parts of the north Kimberley, Eucla, Goldfields, far southern Gascoyne and Central West. When averaged across the state as a whole, rainfall for November 2010 was close to average (see November rainfall totals & decile maps).

Thunderstorms produced some moderate to heavy falls during November in the Kimberley. Gibb River in the central Kimberley received a daily total of 63.8 mm on the 1st, the wettest day for November 2010 for WA. Broome Airport registered 57. 8 mm on the 20th, a new daily rainfall record for November for the airport, and the highest November daily fall in Broome since 140.5 mm was recorded at the Broome Post Office on 20 November 1910. Although Broome Airport recorded rainfall on only one day in November 2010, the 57.8 mm on the 20th was enough to exceed the previous highest November monthly total at the airport, and give Broome its wettest November since 1910. Thunderstorms in the northwest Gascoyne and west Pilbara late in the month brought some heavy falls to those regions, with Mia Mia (Gascoyne) recording its highest November daily fall since records commenced in 1904, whilst Mia Mia and Minnie Creek (Gascoyne) recorded their highest November total rainfall, largely as a result of these storms.

A middle level cloud band produced moderate to heavy rainfall in the Southwest district on the 10th with daily rainfall totals generally in the 30 to 40 mm range, and a few sites registered their wettest November day on record as a result.

Maximum temperature

Mean maximum temperatures were above to very much above average across western WA and the west Kimberley during November 2010, with means up to 5 °C warmer than normal along the west coast from Shark Bay to Perth. A predominant high pressure ridge over the south of the state produced the warmest November days on record for many locations in the Central West, Lower West and Southwest districts, whilst the Lower Southwest region (southwest of a line from Jurien Bay to Bremer Bay) recorded its warmest November since comparable records commenced in 1950. In the northwest Kimberley, Kuri Bay recorded its hottest November in 40 years of recording.

In contrast, mean maximum temperatures were below to very much below average in the east Kimberley and eastern Interior, with up to 3 °C cooler than normal mean maxima in the eastern Interior (see November maximum temperature decile & anomaly maps). When averaged over the whole state, November 2010 was above average in terms of mean maximum temperature.

Northern and central WA experienced hot days between the 9th and 11th, with numerous locations registering daily maxima over 40 °C. Yeelirrie in the northern Goldfields registered a daily maximum temperature of 43.2 °C on the 10th, its highest temperature for November in 36 years of record. During the second half of November, many sites in southwest WA experienced two hot spells. The first occurred from the 17th - 19th, whilst the second occurred during the last few days of the month. Jarrahwood (Southwest) and Kalbarri (Central West) registered their highest temperature on record as a result.

Minimum temperature

Mean minimum temperatures were above to very much above average over western and central WA, with up to 4 °C above normal mean minima in parts of the Gascoyne. The second half of November was particularly warm with sites in the Central West, Southwest and South Coastal districts registering their warmest November night on record, whilst Kalbarri and Mullewa in the Central West experienced their highest mean minimum temperature for November on record.

In contrast, mean minimum temperatures were below to very much below average in the much of the Kimberley, as well as in parts of the eastern Interior, with up to 3 °C cooler than normal minima in the central Kimberley and eastern Interior. Wyndham (Kimberley) and Balgo Hills (Interior) registered their lowest mean minimum temperature for November on record (see November minimum temperature decile & anomaly maps).

When averaged over the whole state, the mean minimum temperature for WA in November 2010 was above average, whilst it was the 4th warmest November on record in terms of mean minimum temperature in the Lower Southwest.

 

Further information

Western Australia Climate Services Centre
Bureau of Meteorology
Phone (08) 9263 2222
Email climate.wa@bom.gov.au


Extremes in November 2010
Hottest day 46.9 °C at Roebourne on the 10th
Warmest days on average 41.3 °C at Marble Bar
Coolest days on average 21.6 °C at Albany
Coldest day 14.9 °C at Jacup on the 12th
Coldest night -1.0 °C at Eyre on the 17th
Coolest nights on average 8.5 °C at Eyre
Warmest nights on average 28.2 °C at Troughton Island
Warmest night 31.9 °C at Telfer Aero on the 24th
Wettest overall 113.4 mm at Ord River Homestead
Wettest day 63.8 mm at Gibb River on the 1st
Highest wind gust 98 km/h at Marble Bar on the 27th

Details Extremes Records Summaries Important notes the top

Record highest November daily rainfall
Highest daily rainfall
in November 2010 (mm) 		Previous highest
for November		 Years of
record
Boyanup 34.8 on the 10th 33.0 on the 15th in 1948 101
Mia Mia 46.0 on the 29th 28.0 on the 3rd in 1975 85
Broome Airport 57.8 on the 20th 45.8 on the 6th in 2009 71
Ferguson Valley 33.6 on the 10th 32.2 on the 26th in 1981 39


Record highest total November rainfall
Total rainfall
for November 2010 (mm) 		Previous highest
for November		 Years of
record		 Average for
November
Minnie Creek 92.0 28.0 in 2008 103 3.7
Mia Mia 50.0 47.0 in 1975 85 2.8
Broome Airport 57.8 49.7 in 1943 71 9.1



Record highest November temperature
Highest temperature
in November 2010 (°C) 		Previous highest
for November		 Years of
record		 Average for
November
Kalbarri 42.4 on the 27th 42.1 on the 14th in 2002 38 28.1
Yeelirrie 43.2 on the 10th 42.6 on the 24th in 2005 36 32.9
Jarrahwood 37.5 on the 19th 36.7 on the 22nd in 1978 30 23.5


Record highest November mean daily maximum temperature
Mean daily maximum
temperature
for November 2010 (°C) 		Previous highest
for November		 Years of
record		 Average for
November
Perth Metro 29.6 28.5 in 2007 113 26.2
Rottnest Island 25.9 24.2 in 2000 113 22.8
Cape Leeuwin 22.3 21.9 in 1982 113 20.1
Bridgetown Comparison 27.5 27.4 in 1931 109 24.2
Cape Naturaliste 25.0 24.4 in 2006 106 21.3
Donnybrook 28.2 27.9 in 2007 105 24.8
Dwellingup 27.9 27.2 in 2007 72 23.5
Manjimup 25.4 24.7 in 2007 71 21.8
Geraldton Airport 31.7 29.7 in 1982 68 27.1
Pemberton 24.9 24.1 in 2006 68 21.3
Perth Airport 30.3 29.0 in 2007 66 25.8
Pearce RAAF 30.4 30.1 in 1994 49 27.0
Karnet 27.9 27.3 in 1999 44 24.3
Lancelin 29.5 28.0 in 1978 44 24.7
Jurien Bay 29.8 28.2 in 2006 41 25.7
Beverley 31.3 31.2 in 2007 40 28.4
Kuri Bay 35.9 35.3 in 1980 40 34.3
Kalbarri 32.9 31.8 in 2007 37 28.1
Eneabba 35.5 34.4 in 2007 35 29.7



Record highest November daily minimum temperature
Highest daily minimum
temperature
in November 2010 (°C) 		Previous highest
for November		 Years of
record		 Average for
November
Cape Leeuwin 20.7 on the 30th 20.5 on the 11th in 1982 104 14.2
Albany 20.0 on the 21st 19.2 on the 23rd in 1915 67 12.3
Kalbarri 27.5 on the 18th 27.4 on the 6th in 1994 38 14.8
Jarrahwood 22.1 on the 20th 20.1 on the 23rd in 1977 30 9.5


Record highest November mean daily minimum temperature
Mean daily minimum
temperature
for November 2010 (°C) 		Previous highest
for November		 Years of
record		 Average for
November
Mullewa 17.4 17.0 in 1926 65 14.3
Kalbarri 17.5 16.9 in 1982 37 14.8


Record lowest November mean daily minimum temperature
Mean daily minimum
temperature
for November 2010 (°C) 		Previous lowest
for November		 Years of
record		 Average for
November
Eyre 8.5 9.3 in 1992 50 12.1
Wyndham 25.6 25.7 in 2007 42 27.2
Balgo Hills 22.3 23.0 in 1999 31 24.3


Details Extremes Records Summaries Important notes the top

Summary statistics for November 2010
Maximum temperatures
for November
(°C)		 Minimum temperatures
for November
(°C)		 Rainfall
for November
(millimetres)
Mean for
November
2010		 Diff
from
average		 Highest for
November
2010		 Mean for
November
2010		 Diff
from
average		 Lowest for
November
2010		 Total for
November
2010		 Average
for
November		 Rank of
November
2010		 Fraction of
November
average
North Kimberley (district 01)
Kalumburu 35.9 -1.5 38.0 24th 23.4 -1.5 19.5 4th 60.0 65.9 average 91%
Kuri Bay 35.9 +1.6 40.0 17th 25.1 -1.0 22.2 3rd 58.9 26.7 high 221%
Mount Elizabeth 36.2 -0.2 40.2 24th 19.7 -2.0 14.5 4th 52.8 70.4 average 75%
Troughton Island 33.3 +0.4 35.1 26th 28.2 +0.8 24.3 30th 6.0 9.1 high 66%
Truscott 35.2   38.0 21st 25.6   22.3 30th 57.8
Wyndham 38.4 -1.1 41.5 25th 25.6 -1.6 20.7 3rd 19.0 53.4 low 36%
Wyndham Aero 39.1 -1.0 42.6 22nd 25.4 -1.4 19.5 3rd 14.8 53.5 low 28%
East Kimberley (district 02)
Argyle Aerodrome 37.5 -1.4 42.1 24th 24.4 -1.9 18.8 3rd 49.2 58.7 average 84%
Halls Creek Airport 37.9 -0.5 42.1 25th 23.4 -1.1 17.3 3rd 13.2 36.6 low 36%
Kununurra Aero 37.7 -1.3 42.4 22nd 22.6 -2.8 16.4 6th 19.0 62.8 low 30%
West Kimberley (district 03)
Bidyadanga 36.3 +1.5 42.0 18th 24.6 +0.7 18.1 4th 13.0 7.9 high 165%
Broome Airport 34.8 +1.2 40.3 18th 26.0 +0.9 19.4 5th 57.8 9.1 highest 635%
Cygnet Bay 36.4 +1.1 38.5 27th 24.2 +0.3 20.0 6th 2.2 5.0 average 44%
Derby Aero 38.3 +0.3 42.2 17th 24.8 -0.7 21.7 5th 47.0 13.1 v high 359%
Fitzroy Crossing Aero 40.8 -0.2 44.9 24th 23.4 -2.3 16.4 4th 27.0 25.6 average 105%
West Roebuck 37.5 +1.3 42.4 18th 24.2 +0.6 19.6 5th 9.0 11.1 average 81%
De Grey (district 04)
Bedout Island 32.5   35.0 30th 26.3   25.0 2nd
Karratha Aero 36.3 +1.4 41.7 5th 24.1 +1.2 19.2 1st 0 0.6 lowest 0%
Legendre Island 32.6   36.0 30th 25.1   23.0 1st
Mandora 37.6 +1.0 44.8 24th     17.0 4th 0 6.3 lowest 0%
Marble Bar 41.3 +1.0 46.2 10th 25.4 +1.7 18.8 4th 1.8 7.8 average 23%
Pardoo Station 38.9 +2.4 45.5 11th 23.6 +1.6 18.5 5th 0.2 3.3 high 6%
Port Hedland Airport 37.9 +1.7 44.3 11th 23.4 +2.1 20.1 5th 0 2.5 lowest 0%
Roebourne 39.8 +1.9 46.9 10th 22.4 -0.2 18.5 2nd 1.8 1.4 high 129%
Roebourne Aero 39.5   46.2 10th 23.5   18.3 2nd 2.4 1.6 average 150%
Fortescue (district 05)
Barrow Island Airport 31.5 +1.3 36.3 4th 24.1 +1.4 21.3 16th 0.2 2.4 average 8%
Learmonth Airport 35.4 +1.0 40.0 10th 20.3 +1.9 15.6 2nd 0 2.0 lowest 0%
Mardie 36.4 0.0 41.9 11th 21.7 +1.7 17.1 1st 1.2 1.3 high 92%
Onslow 33.3 -0.5 40.5 5th 21.6 +2.4 19.0 2nd 8.1 1.5 v high 540%
Onslow Airport 34.5 +0.2 40.3 5th 21.5 +1.6 18.6 8th 4.8 3.1 high 155%
Tom Price 35.9 +0.3 40.7 24th 20.2 +1.4 17.0 2nd 5.2 10.7 average 49%
Wittenoom 38.7 +0.7 44.0 10th 25.7 +2.1 19.7 1st 12.4 8.9 average 139%
West Gascoyne (district 06)
Carnarvon Airport 30.1 +2.6 37.2 28th 20.0 +1.4 14.4 2nd 2.6 4.1 high 63%
Denham     40.1 27th 21.1 +2.7 16.5 12th 0.8 3.1 average 26%
Emu Creek Station 37.9 +1.1 42.3 24th 21.2 +1.9 15.9 1st 4.4 3.9 high 113%
Gascoyne Junction 37.1 +1.9 42.0 27th 20.9 +2.8 16.3 13th 21.0 3.5 v high 600%
Shark Bay Airport 33.3 +3.3 41.6 27th 19.1 +1.7 14.2 1st 0.4 0.8 average 50%
East Gascoyne (district 07)
Newman Aero 37.6 +0.2 43.0 10th 22.1 +1.5 16.2 1st 5.8 10.3 average 56%
Murchison (district 07A)
Meekatharra Airport 34.9 +1.7 41.4 10th 20.1 +1.4 14.0 7th 5.2 11.5 average 45%
Mount Magnet Aero 33.7 +1.4 40.6 10th 19.9 +2.3 13.8 12th 0 10.9 v low 0%
North Coast (district 08)
Carnamah 33.2 +3.1 38.2 19th 15.9 +2.6 7.6 1st 1.5 10.3 low 15%
Dalwallinu 32.2 +1.9 37.5 19th 14.2 +1.5 8.3 6th 0.4 5.7 v low 7%
Dalwallinu Comparison 32.3 +3.0 37.7 19th 15.4 +2.1 10.0 12th 0.6 11.7 low 5%
Eneabba 35.5 +5.8 41.0 18th 15.7 +1.9 9.4 6th 3.1 14.4 low 22%
Geraldton Airport 31.7 +4.6 40.9 27th 14.7 +0.9 8.2 13th 3.0 9.2 average 33%
Kalbarri 32.9 +4.8 42.4 27th 17.5 +2.7 10.2 6th 2.3 7.0 average 33%
Morawa Airport 34.4 +2.6 38.8 18th 16.1 +2.0 9.7 6th 1.2 7.9 low 15%
Mullewa 34.3 +3.3 39.3 28th 17.4 +3.1 10.4 6th 0 8.7 lowest 0%
North Island 27.8 +2.9 34.0 17th 19.8 +1.5 16.4 4th 0 7.5 v low 0%
Wongan Hills 32.1 +3.2 38.0 19th 15.3 +2.3 8.5 6th 9.4 11.8 average 80%
Central Coast (district 09)
Bickley 27.8 +3.1 36.7 19th 13.6 +2.0 6.8 12th 12.2 41.4 low 29%
Champion Lakes 29.2   38.0 19th 16.3   10.0 12th 7.8
Garden Island HSF 27.1   37.0 19th 16.5   11.6 12th 11.0 25.0 low 44%
Gingin Aero 30.9 +3.2 40.2 19th 13.2 +1.5 6.0 12th 9.8 17.3 low 57%
Gooseberry Hill 29.6 +3.5 39.0 19th 15.4 +2.1 8.7 12th
Gosnells City 30.7 +3.5 40.5 19th 15.6 +1.3 8.5 6th 7.6 28.4 low 27%
Jandakot Aero 29.8 +3.8 39.9 19th 13.9 +1.5 4.8 12th 6.6 28.9 v low 23%
Jurien Bay 29.8 +4.1 40.2 18th 14.1 +0.6 9.8 12th 7.6 17.8 average 43%
Karnet 27.9 +3.6 37.0 19th 13.4 +2.1 6.0 6th 10.7 46.2 low 23%
Lancelin 29.5 +4.8 40.0 18th 14.8 +0.8 9.3 12th 17.0 20.9 average 81%
Medina Research Centre 29.6 +3.9 41.4 19th 15.2 +2.0 7.0 12th 7.8 32.3 v low 24%
Pearce RAAF 30.4 +3.4 39.1 19th 14.2 +1.8 6.8 6th 11.0 23.3 average 47%
Perth Airport 30.3 +4.5 40.5 19th 14.3 +1.7 6.6 12th 7.6 25.9 low 29%
Perth Metro 29.6 +3.4 38.8 19th 15.3 +1.2 7.6 12th 11.6 22.2 low 52%
Rottnest Island 25.9 +3.1 35.3 19th 17.5 +1.8 12.5 12th 7.8 19.6 low 40%
Swanbourne 29.0 +4.0 39.5 19th 16.2 +1.7 8.6 12th 9.4 23.2 low 41%
South Coast (district 09A)
Albany 21.6 +1.3 35.8 30th 14.5 +2.2 10.0 8th 46.2 44.6 average 104%
Albany Airport 22.9 +2.1 36.4 30th 11.8 +1.0 5.5 16th 50.8 46.2 high 110%
Bridgetown 27.3 +3.0 38.3 20th 10.0 +0.8 3.2 13th 40.0 30.9 average 129%
Bridgetown Comparison 27.5 +3.3 37.8 20th 10.5 +1.7 4.1 13th 37.3 32.5 average 115%
Bunbury 26.9 +2.7 35.5 19th 13.0 +1.0 7.3 6th 52.4 24.7 v high 212%
Busselton 26.0 +1.8 34.4 19th 12.6 +0.8 7.5 13th 39.2 25.0 high 157%
Busselton Aero 27.2 +2.5 36.9 19th 11.1 +0.5 4.3 8th 31.4 21.9 average 143%
Cape Leeuwin 22.3 +2.2 33.8 3rd 15.9 +1.7 11.5 13th 22.0 37.0 average 59%
Cape Naturaliste 25.0 +3.7 34.0 19th 14.2 +1.7 9.0 13th 32.0 26.1 high 123%
Collie East 28.0   37.0 19th 10.3   4.6 12th 28.8
Donnybrook 28.2 +3.4 38.6 19th 12.8 +2.4 6.1 6th 54.8 33.0 high 166%
Dwellingup 27.9 +4.4 36.7 19th 11.8 +1.5 5.5 12th 14.0 45.5 low 31%
Esperance 24.3 +1.3 36.5 4th 12.8 +0.1 8.4 28th 25.2 33.3 average 76%
Esperance Aero 25.2 +1.3 35.0 4th 11.6 -0.3 6.9 28th 25.6 35.8 average 72%
Harvey 28.3 +3.4 37.8 19th 13.4 +1.6 6.5 12th 22.6 35.5 low 64%
Hopetoun North 23.8 +0.5 38.2 4th 12.0 -0.3 5.8 1st 17.2 35.7 low 48%
Jarrahwood 27.3 +3.8 37.5 19th 10.2 +0.7 4.0 8th 40.2 42.8 average 94%
Mandurah 27.1   35.7 19th 16.9   11.6 12th 9.2 23.1 low 40%
Manjimup 25.4 +3.6 36.6 19th 11.0 +0.9 6.0 13th 32.6 46.5 average 70%
North Walpole 23.2   36.9 20th 12.6   8.8 1st 37.4
Pemberton 24.9 +3.6 35.4 19th 11.8 +1.5 6.0 13th 41.3 61.0 low 68%
Rocky Gully 25.4 +2.5 37.7 20th 11.0 +1.3 5.6 13th 57.2 37.3 high 153%
Shannon 24.3 +2.2 35.9 20th 10.7 +0.7 5.7 8th 40.8 51.8 low 79%
Windy Harbour 23.3 +2.7 35.5 20th 11.4 -0.4 7.1 1st 23.4 41.3 low 57%
Witchcliffe 25.1 +2.7 36.2 19th 11.3 +0.5 5.3 13th 32.6 35.3 average 92%
North Central (district 10)
Bencubbin 31.3 +2.4 36.8 19th 15.6 +2.6 9.9 6th 8.4 12.6 average 67%
Cunderdin Airfield 31.9 +2.0 38.7 19th 13.3 +1.3 3.6 6th 3.4 11.6 low 29%
Merredin 31.5 +3.0 37.0 21st 15.3 +2.2 8.9 13th 4.8 14.1 low 34%
Northam 31.7 +3.2 38.8 19th 13.4 +1.0 6.0 6th 9.5 12.2 average 78%
York 31.2 +2.2 39.0 19th 11.4 +0.4 4.6 6th 10.9 14.8 average 74%
South Central (district 10A)
Beverley 31.3 +2.9 38.4 19th 12.9 +1.5 5.4 6th 8.4 14.6 average 58%
Brookton 30.0 +2.6 38.1 19th 12.6 +1.7 5.2 12th 7.8 14.3 average 55%
Corrigin 29.8 +2.8 37.0 20th 12.8 +1.5 6.2 6th 6.4 16.0 average 40%
Hyden 31.1 +2.8 38.0 30th 12.9 +1.5 6.4 12th 10.1 17.9 average 56%
Jacup 26.3 +1.9 36.4 30th 10.5 +0.7 3.7 13th 21.2 30.7 average 69%
Katanning 27.5 +1.5 37.9 20th 10.4 +0.5 4.6 13th 23.0 22.7 average 101%
Katanning Comparison 27.8 +2.7 37.6 20th 11.1 +1.1 4.6 14th 20.6 21.5 average 96%
Lake Grace 28.5 +1.6 37.3 20th 12.6 +1.0 5.7 13th 8.4 22.0 low 38%
Lake Grace Comparison 28.2 +1.7 37.0 20th 12.7 +1.3 5.6 13th 7.2 18.2 average 40%
Narembeen 31.2 +2.8 38.0 19th 13.6 +1.5 8.0 12th 9.8 15.7 average 62%
Narrogin 28.0 +2.5 36.3 19th 12.0 +2.0 5.5 13th 7.4 17.9 low 41%
Newdegate Research Station 28.7 +1.7 38.2 20th 9.6 -0.4 2.8 13th 7.4 21.1 average 35%
Ongerup 26.2 +2.0 36.4 20th 11.1 +0.6 5.8 13th 26.2 25.1 average 104%
Pingelly 29.2 +3.1 37.0 19th 13.0 +1.7 5.6 12th 11.2 15.1 average 74%
Ravensthorpe 26.9 +1.9 36.3 20th 12.0 +1.0 4.9 13th 26.9 30.1 average 89%
Wagin 28.3 +2.8 37.7 20th 11.6 +1.0 7.2 5th 9.2 17.7 average 52%
Wandering 29.3 +2.0 37.5 19th 10.0 +0.8 2.9 6th 4.2 16.2 low 26%
Eucla (district 11)
Balladonia 28.1 +0.2 36.8 9th 11.0 -0.3 6.1 1st 0.6 22.0 low 3%
Eucla 24.5 +0.3 38.8 10th 12.9 -0.4 6.4 17th 7.0 18.2 average 38%
Eyre 23.3 -0.9 36.4 9th 8.5 -3.6 -1.0 17th 8.3 20.4 low 41%
Forrest 28.6 -1.2 41.0 22nd 11.8 -1.2 6.9 1st 3.4 22.1 v low 15%
Red Rocks Point 21.8   37.6 9th 13.9   7.6 17th 8.6
South East (district 12)
Bulga Downs 33.8   43.4 9th 18.3   10.6 1st 0 10.6 lowest 0%
Kalgoorlie-Boulder Airport 30.4 +1.4 38.0 21st 15.7 +1.6 10.5 13th 3.8 17.6 average 22%
Laverton Aero 31.6 +0.8 42.5 10th 17.8 +0.9 11.3 1st 7.4 18.5 low 40%
Leinster Aero 33.1 +0.8 42.8 10th 18.5 +0.4 11.0 1st 4.8 16.6 low 29%
Leonora 32.9 +0.7 43.0 10th 17.5 +0.5 9.4 1st 1.6 12.0 low 13%
Leonora Aero 32.9   43.6 10th 18.5   10.7 1st 10.2
Munglinup West 27.2   36.7 4th 11.4   6.8 13th 29.6
Norseman 30.5 +2.4 36.0 21st 12.7 +0.4 7.2 6th 6.8 20.5 low 33%
Norseman Aero 30.0 +1.3 36.6 21st 11.9 -0.2 5.5 13th 4.4 20.0 low 22%
Salmon Gums Res.Stn. 28.8 +2.6 36.0 21st 9.3 -0.8 -0.3 13th 7.2 25.7 low 28%
Southern Cross Airfield 31.4 +1.5 38.3 21st 14.3 +1.5 8.6 6th 4.6 17.3 low 27%
Yeelirrie 34.0 +1.1 43.2 10th 17.0 +0.8 8.8 1st 28.4 10.0 v high 284%
North East (district 13)
Balgo Hills 37.8 -0.9 42.6 24th 22.3 -2.0 15.6 3rd 37.0 21.8 high 170%
Carnegie 35.7 +0.3 43.2 10th 19.7 +0.6 10.6 1st 9.4 12.1 average 78%
Giles Meteorological Office 32.2 -2.1 39.3 23rd 18.8 -1.1 10.4 1st 25.4 27.6 average 92%
Telfer Aero 40.2 +0.8 45.7 11th 24.7 +1.3 18.0 3rd 2.0 14.9 average 13%
Warburton Airfield 34.0 -0.3 42.2 11th 19.5 +1.1 11.9 1st 15.0 23.3 average 64%
Wiluna 34.5 +0.5 43.1 10th 19.1 +1.3 12.8 1st 28.2 10.5 high 269%

Details Extremes Records Summaries Important notes the top

Notes

A Monthly Climate Summary is prepared to list 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. Later information, including data that has had greater opportunity for quality control, will be presented in the Monthly Weather Review, usually published in the fourth week of the month.

This statement has been prepared based on information available at 12 pm on Wednesday 1 December 2010. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

Averages 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.

Records in this summary are based on sites with at least 30 years of data.

For PDF files of Perth Metro climate statistics for other months, please click here for extremes and here for averages.

Further information

Western Australia Climate Services Centre
Bureau of Meteorology
Phone (08) 9263 2222
Email climate.wa@bom.gov.au