Greater Brisbane in October 2020: above average rainfall; widespread storms in the south-east

Widespread thunderstorm activity in the last part of the month produced moderate to locally heavy falls, with most locations reporting average or well above average rainfall for October. Large hail was reported in some western and southern suburbs.

Mean maximum temperatures were generally warmer than average for all sites and mean minimum temperatures were close to average.

Storms brought heavy falls at the end of the month

  • Thunderstorms and showers developed over the south-east on the 13th and 14th, producing mainly light falls.
  • A series of surface troughs swept across the south-east from the 22nd, with a deep trough stalling over eastern Queensland on the 24th. 
  • Widespread thunderstorms and moderate to locally heavy falls were reported across south-east Queensland, with thunderstorms affecting Brisbane on the 24th and 25th, then the 27th and 28th, bringing heavy rainfall to some sites, strong wind gusts and hail.
  • Severe thunderstorms impacted Greater Brisbane on the afternoon of the 31st.

Warm days and close to average nights

  • Mean maximum temperatures were warmer than average at all sites. Mean minimum temperatures were generally close to average. Cape Moreton had its highest October mean maximum temperature on record.
  • Maximum temperatures were warmer than usual for most of the month, with the hottest day occurring at most sites on the 9th, including 35.8 °C at University of Queensland Gatton. Amberley also reached 35.0 °C on the same day.
  • Minimum temperatures were generally cooler than usual in the first half of the month, then warmer than usual from the 22nd to the end of the month.

Brisbane

  • Total rainfall for Brisbane was 182.8 mm, which is 221% of the long-term average of 82.8 mm.
  • The mean daily maximum temperature for Brisbane was 27.8 °C, which is 0.8 °C above the long-term average of 27.0 °C.
  • The warmest day was 30.5 °C on the 31st, and the coolest day was on the 14th when the temperature reached 24.7 °C.
  • The mean daily minimum temperature for Brisbane was 17.0 °C, which is 0.6 °C above the long-term average of 16.4 °C.
  • The coldest morning was 14.6 °C on the 1st, and the warmest morning was on the 31st when the minimum temperature was 21.8 °C.

Severe thunderstorms

  • Widespread thunderstorms affected Brisbane on the 24th and 25th, then the 27th and 28th, bringing heavy rainfall to some sites, localised flash flooding, and strong wind gusts.
  • Severe thunderstorms impacted much of south-east Queensland on the afternoon of the 31st. The main impacts were giant hail up to 14 cm in diameter along a path from Amberley to the northern suburbs of Logan. Wind damage was reported from Redcliffe to Kingston with gusts over 100 km/h recorded around Moreton Bay. Giant hail up to 14 cm in diameter was reported at Forestdale and hail up to 13 cm in diameter was reported at Hillcrest. Some other reports include giant hail up to: 9.5 cm in diameter at Amberley, 8 cm in diameter at Springfield, 7 cm in diameter around Gatton, and 5 cm in diameter at Seventeen Mile.

Further information

Media
(03) 9669 4057

Extremes in October 2020
Hottest day 35.8 °C at University of Queensland Gatton on the 9th
Warmest days on average 29.9 °C at University of Queensland Gatton
Coolest days on average 25.3 °C at Cape Moreton Lighthouse
Coldest day 23.2 °C at Cape Moreton Lighthouse on the 20th
Coldest night 6.2 °C at Canungra (Defence) on the 10th
Coolest nights on average 11.2 °C at Canungra (Defence)
Warmest nights on average 19.1 °C at Cape Moreton Lighthouse
Warmest night 22.6 °C at Redland (Alexandra Hills) on the 31st
Warmest on average overall 22.4 °C at Brisbane
Coolest on average overall 19.3 °C at Canungra (Defence)
Wettest overall 182.8 mm at Brisbane
Wettest day 78.5 mm at Dunwich on the 26th
Strongest wind gust 115 km/h at Cape Moreton Lighthouse on the 31st


Record highest October mean daily maximum temperature

New record
(°C)
Old
record
Years of
record
Average for
October
Cape Moreton Lighthouse 25.3 25.2 in 2005 110 23.1



Summary statistics for October 2020

Maximum temperatures
(°C)
Minimum temperatures
(°C)
Rainfall
(millimetres)
Mean for
October
2020
Diff
from
average
Highest for
October
2020
Mean for
October
2020
Diff
from
average
Lowest for
October
2020
Total for
October
2020
Average
for
October
Rank of
October
2020
Fraction of
October
average
Amberley AMO 29.7 +1.9 35.0 9th 13.0 -0.3 7.5 10th 42.6 72.6 average 59%
Archerfield Airport 28.7 +1.7 31.6 9th 14.8 +0.4 10.8 16th 95.0 78.4 high 121%
Beaudesert Drumley Street 29.2 +1.1 34.4 9th 13.0 0.0 8.4 1st



Beerburrum Forest Station 27.8 +0.4 32.4 31st 14.3 -0.3 9.9 1st 135.2 91.4 high 148%
Brisbane 27.8 +0.8 30.5 31st 17.0 +0.6 14.6 1st 182.8 82.8 v high 221%
Brisbane Aero 26.6 +1.2 30.6 19th 16.4 +0.6 12.4 15th 119.2 76.8 high 155%
Canungra (Defence) 27.4   32.7 9th 11.2   6.2 10th 70.4


Cape Moreton Lighthouse 25.3 +2.2 30.0 31st 19.1 +1.2 16.2 29th 66.4 79.1 average 84%
Greenbank (Defence) 28.9   33.5 9th 12.7   7.5 1st 71.8


Logan City Water Treatment Plant 27.2 +0.7 31.2 9th 15.9 +0.9 9.2 4th 95.2 69.4 high 137%
Point Lookout 27.1 +1.7 29.9 7th     16.0 29th 89.2 96.0 average 93%
Redcliffe 26.5 +1.0 31.0 19th 17.6 +0.6 14.3 1st 105.8 88.6 average 119%
Redland (Alexandra Hills) 26.0   28.3 19th 16.0   12.8 1st 121.2


University of Queensland Gatton 29.9 +1.7 35.8 9th 13.2 0.0 8.8 1st 80.4 64.7 high 124%

Daily maximum temperatures for October 2020

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Amberley AMO 30.3 32.3 29.3 27.8 28.8 29.2 28.1 30.8 35.0 30.5 29.2 27.6 28.5 25.8 28.7 32.5 30.5 33.1 30.5 28.9 27.3 26.9 29.0 25.4 29.3 31.6 28.2 28.9 31.5 33.9 32.3
Archerfield Airport 29.1 30.8 28.1 27.2 28.1 28.2 27.5 29.2 31.6 28.7 28.0 27.7 27.9 25.1 28.1 30.8 29.8 31.0 29.4 28.3 27.6 25.4 29.0 27.3 29.8 29.5 26.8 28.1 30.9 31.1 31.0
Beaudesert Drumley Street 30.1 31.3 28.5 27.7 28.4 28.7 29.1 30.3 34.4 30.1 29.1 27.3 27.9 26.8 28.9 32.4 30.7 31.9 29.0 28.1 28.1 26.8 29.1 25.5 31.1 30.5 28.5 28.1


Beerburrum Forest Station 29.0 28.8 26.3 26.3 27.0 26.5 26.8 28.1 31.9 27.2 27.4 26.2 26.3 25.3 26.2 29.0 27.9 29.5 31.3 26.6 25.6 24.9 27.8 26.8 31.6 28.1 24.5 27.7 29.8 30.5 32.4
Brisbane 27.2 29.0 27.6 26.1 27.3 27.9 27.0 27.3 29.5 28.2 27.1 26.1 27.2 24.7 26.9 29.0 28.1 29.2 29.9 27.5 27.4 25.6 27.9 26.8 29.0 30.1 25.1 27.4 28.5 30.0 30.5
Brisbane Aero 25.9 27.0 25.7 25.5 25.4 26.4 26.2 26.0 26.9 26.0 26.2 26.0 26.1 25.0 25.7 27.1 26.6 26.7 30.6 26.4 25.8 25.7 27.1 27.0 28.3 26.6 25.1 26.5 26.7 28.9 28.0
Canungra (Defence) 28.3 28.5 26.7 25.8 25.8 26.4 26.4 28.1 32.7 26.4 26.6 26.0 25.3 23.9 25.9 30.2 29.1 30.9 27.7 26.2 27.0 25.4 27.4 25.3 29.5 28.6 25.4 25.8 28.1 29.9 29.0
Cape Moreton Lighthouse 24.3 24.4 24.5 25.5 25.4 25.2 26.7 24.9 24.7 24.5 25.5 24.8 24.6 24.2 24.2 25.1 26.1 24.1 27.8 23.2 25.2 25.1 26.6 24.7 26.0 25.5 23.8 25.3 25.4 26.6 30.0
Greenbank (Defence) 29.2 29.8 28.2 27.9 28.6 28.3 27.9 29.5 33.5 28.7 28.4 27.1 27.3 24.7 27.4 31.9 30.3 30.8 29.7 27.5 27.8 26.3 29.0 26.6 29.9 29.7 26.6 28.3 30.5 31.8 31.4
Logan City Water Treatment Plant 27.2 28.2 26.3 25.5 26.4 26.5 26.5 27.2 31.2 26.5 25.9 26.1 26.0 25.4
28.8 27.1 29.2 28.9 27.0 26.7 24.1 27.9 26.5 28.7 28.0 25.2 26.9 28.2 30.3 28.7
Point Lookout 26.9 26.5 28.0 28.5 27.0
29.9 26.0 25.0 28.2

29.6 27.8 28.0 27.0 27.1 25.1 28.4 24.3 26.9 26.9

26.8 26.6 23.7 27.9
29.3 25.7
Redcliffe 26.2 26.3 25.8 24.9 25.9 25.8 26.2 26.6 27.3 26.0 25.5 25.9 25.6 25.7 25.4 26.9 26.5 27.7 31.0 25.6 24.7 25.3 27.5 26.3 28.5 26.7 25.5 26.0 25.5 28.2 29.1
Redland (Alexandra Hills) 25.4 27.2 25.8 24.2 25.4 25.6 24.8 25.6 27.1 26.1 25.9 25.7 26.1 24.1 25.8 26.0 25.7 25.8 28.3 26.6 25.8 23.5 26.2 25.8 27.8 26.7 24.9 26.0 25.7 27.7 27.4
University of Queensland Gatton 31.9 32.2 29.9 28.9 30.1 29.7 29.7 31.2 35.8 32.2 30.5 29.2 28.4 26.9 29.3 33.0 32.0 34.3 30.1 30.4 24.1 25.7 28.7 25.3 27.0 30.7 28.0 26.7 30.2 33.8 31.3
Values are the maximum temperature, usually in the 24 hours from 9 am on the day indicated,
and typically occurred in the afternoon of that day.
Temperatures coloured according to their difference
from the long-term average for the period
-10.0 -9.0 -8.0 -7.0 -6.0 -5.0 -4.0 -3.0 -2.0 -1.0 0.0 +1.0 +2.0 +3.0 +4.0 +5.0 +6.0 +7.0 +8.0 +9.0 +10.0 °C Grey outline marks highest
and lowest for the period


Daily minimum temperatures for October 2020

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Amberley AMO 9.4 9.8 9.5 9.7 10.9 11.0 10.2 12.0 12.3 7.5 11.4 16.0 11.9 10.7 9.2 9.1 12.5 10.4 15.5 14.7 12.4 17.5 19.2 18.0 17.9 18.2 17.7 14.8 15.4 12.2 16.2
Archerfield Airport 10.9 13.0 12.7 12.2 13.4 14.5 13.6 13.0 14.0 12.1 13.8 15.8 12.4 13.2 10.9 10.8 14.1 13.4 15.7 17.4 12.8 17.3 19.4 20.5 17.4 18.3 18.3 15.9 16.0 15.3 19.8
Beaudesert Drumley Street 8.4 11.1 9.6 10.5 12.5 11.3 10.7 11.8 11.7 10.0 12.0 12.7 11.9 11.0 11.0 8.8 12.5 11.2 14.7 17.1 10.9 15.9 19.3 19.2 17.9 17.1 15.4 16.0 14.6

Beerburrum Forest Station 9.9 11.4 15.2 12.9 11.9 12.2 11.7 10.7 13.2 10.6 13.4 14.7 14.0 14.2 12.0 11.3 12.8 13.2 17.0 15.1 14.4 15.8 15.9 19.9 17.4 20.0 18.9 17.1 15.7 11.5 20.4
Brisbane 14.6 15.5 16.6 14.6 16.2 16.2 15.8 15.3 16.0 14.7 16.5 17.4 16.5 15.8 14.8 15.0 16.9 16.6 16.9 18.3 16.3 18.5 19.2 21.6 19.4 19.4 19.7 17.6 16.7 17.1 21.8
Brisbane Aero 12.6 13.8 16.1 15.2 18.1 15.6 14.9 14.6 15.2 14.2 15.0 18.2 16.1 15.2 12.4 14.1 15.4 15.0 16.9 17.3 15.9 17.7 19.5 21.8 18.7 17.0 20.4 16.8 16.9 16.3 22.0
Canungra (Defence) 6.6 7.4 8.5 8.0 10.4 9.7 7.5 9.7 10.4 6.2 8.4 10.8 9.1 8.9 10.9 7.3 9.5 10.4 14.5 13.0 8.9 14.2 17.1 16.8 17.3 18.0 13.2 14.0 13.3 11.3 15.3
Cape Moreton Lighthouse 18.0 18.9 17.9 18.6 18.7 18.8 19.5 19.1 19.3 19.3 20.0 19.7 19.8 19.7 17.2 17.7 19.7 20.2 17.9 19.0 18.1 18.9 19.2 21.5 18.7 20.8 20.6 18.2 16.2 18.6 22.3
Greenbank (Defence) 7.5 10.0 9.9 10.2 10.7 11.3 10.2 10.5 11.4 8.7 10.9 13.2 9.9 10.2 9.4 8.4 12.3 10.9 14.6 15.1 10.2 15.5 18.4 19.8 16.4 18.3 17.7 15.3 14.8 13.2 18.6
Logan City Water Treatment Plant 12.6 14.2 15.2 9.2 13.8 14.3 14.3 14.1 16.7 13.9 14.9 15.6 14.4 14.6 13.7
15.3 16.6 16.2 16.9 14.4 17.4 17.5 21.2 18.6 19.1 19.0 16.9 16.4 16.4 22.2
Point Lookout
17.6 18.1 17.0 19.0 19.4
18.5 19.6 18.7 18.3

18.6 18.1 17.7 19.4 19.5 16.8 18.7 17.6 20.0 20.6

18.7 20.1 18.1 16.0
19.2
Redcliffe 14.3 14.7 17.5 19.6 19.6 16.7 15.8 15.3 16.9 15.4 17.6 18.8 17.7 17.1 16.1 14.9 16.5 16.8 17.6 18.4 17.3 17.8 20.2 21.1 20.0 20.0 21.1 17.6 16.6 15.5 22.5
Redland (Alexandra Hills) 12.8 14.5 15.7 13.5 15.9 14.1 14.1 13.7 16.8 14.6 15.8 16.3 15.8 15.6 13.8 12.9 14.7 16.8 15.8 16.0 14.6 16.9 17.9 20.8 19.0 17.7 17.9 17.3 16.1 16.7 22.6
University of Queensland Gatton 8.8 11.6 10.1 8.8 10.3 10.5 10.5 11.4 12.2 10.7 16.6 17.4 11.9 11.0 9.8 10.4 10.7 10.5 13.3 13.2 13.1 17.0 19.3 19.4 16.4 17.3 15.9 17.8 14.5 10.5 17.7
Values are the minimum temperature, usually in the 24 hours to 9 am on the day indicated,
and typically occurred that morning.
Temperatures coloured according to their difference
from the long-term average for the period
-10.0 -9.0 -8.0 -7.0 -6.0 -5.0 -4.0 -3.0 -2.0 -1.0 0.0 +1.0 +2.0 +3.0 +4.0 +5.0 +6.0 +7.0 +8.0 +9.0 +10.0 °C Grey outline marks highest
and lowest for the period


Daily rainfall for October 2020

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Alderley - - - - - - - - - - - - - 0.8 1.4 - - - 2.2 - - 1.6 1.4 - 23.0 21.8 - 46.4 22.4 0.1 -
Amberley AMO - 2.2 - - - - - - - - - - - - - - - - 2.8 - - 0.8 0.2 - 10.4 6.0 0.2 11.0 9.0 - -
Archerfield Airport - - - - - - - - - - - - - 0.6 0.6 - - - 2.2 - - 0.8 5.8 1.2 24.4 10.8 0.2 35.0 13.4 - -
Beerburrum Forest Station 0.4 - - - - 0.8 0.2 - - 2.8 - - - 0.6 2.2 0.2 - - 0.2 - - 5.4 2.2 - 21.2 0.4 - 66.6 32.0 - -
Blackbutt Post Office - - - - - - - - - - - - - 0.8 - - ? ? 2.4 - - 12.0 - ? ? 24.0 0.2 10.0 46.0 -
Brisbane - - - - - - - - - - - - - 1.2 5.0 - - - 1.8 - - 2.0 4.6 0.4 37.8 33.8 0.2 72.0 23.8 0.2 -
Brisbane Aero - - - - - 0.4 - - - - - - - 1.8 1.2 - - - 1.4 - 0.2 1.0 1.4 - 22.4 31.4 - 35.6 22.2 0.2 -
Brisbane Botanic Gardens Mt Coot-Tha - - - - - - - - - - - - - - 2.0 3.0 - - 2.2 - - 3.0 -
1.8 15.8 24.8 40.6


Caloundra Airport - - - - - 2.4 - - - - - - - - 8.0 - - - - - - 4.4 - - 40.0 4.3 0.2 36.0 20.0 0.1 -
Canungra (Defence) - - - - - - - - - 2.2 - - - 1.0 1.8 - - - 11.6 - - - 0.2 - 19.8 13.6 0.2 12.4 7.4 0.2 -
Capalaba Water Treat - - - - - 0.4 - - - - - - - 1.0 4.0 - - - 4.2 - - - 6.0 1.0 41.0 43.0 - 33.6 - - -
Cape Moreton Lighthouse - - - - - 7.4 - - - 0.8 - - - - 2.6 - - - 0.4 - - 1.2 1.0 - 15.6 1.0 3.4 18.2 14.4 0.4 -
Carneys Creek The Ranch - - - - - - - - - - - - - - - - - - 4.8 - - - 1.0 8.4 14.0 35.0 - 8.0 2.0

Clontarf 0.2 - - - - - - - - - - - - 0.6 - - - - - - - 2.6 3.6 - 46.2 1.6 - 58.0 41.2 - -
Dunwich - - - - - 0.4 - - - - - - - 3.2 1.0 - - - 1.5 - - 0.5 0.6 - - 78.5 0.2 27.3 35.3 -
Esk Post Office - - - - - - - - - - - - - - - - - - 5.0 - - 9.4 - - 16.6 18.4 - 32.6 27.4 - -
Fort Lytton - - - - - 0.8 - - - - - - - 2.6 - - ? ? 1.4 - - - - ? ? 72.0




Godwin Beach - 0.2 - - - - 0.2 - - 0.2 - - - 0.4 0.4 - - - 3.6 - - 3.6 2.4 0.2 19.0 0.4 - 25.6 12.8 0.4 -
Greenbank (Defence) - 0.8 - - - - - - - - - - - 2.2 0.4 - - - 1.4 - - - - 0.6 24.4 11.6 0.2 19.2 11.0 - -
Greenbank Thompson Road - 2.2 - - - - - - - - - - - 2.0 - - - - 2.6 - - - - 0.6 23.2 15.6 0.2 12.0 10.8 - -
Harrisville Mary Street - - - - - - - - - - - - - - - - - - 3.0 - - 1.0 - 0.8 15.0 13.2 - 11.2 6.0 - -
Highvale - 2.0 - - - - - - - - - - - 0.4 1.4 - - - 3.6 - - 5.2 7.4 0.8 11.4 18.2 - 32.2 46.0 - -
Kalbar State School - - - - - - - - - - - - - - - - - - 3.2 - - - 2.0 - 13.0 48.6 - 16.8 3.8

Karalee - 0.8 - - - - - - - - - - - - - - - - 5.6 - - 1.6 - 0.4 12.8 28.2 - 11.2 13.2 - -
Landsborough - - - - - - - - - - - - - 0.2 1.6 - - - - - - 4.6 - - 24.0 0.8 2.0 10.0 27.8 - -
Lindfield - - - - - - - - - - - - - 0.2 0.2 - - - - - - 6.6 - - 6.2 2.2 - 11.6 29.2 - -
Logan City Water Treatment Plant - - - - - - - - - - - - - 2.6 - - - - 2.0 - - 0.4 1.2 0.8 32.4 16.0 - 22.7 17.1 - -
Lowood Don St - - - - - - - - - - - - - 0.1 0.5 - - - 3.5 - - 11.1 3.4 - 16.2 17.2 0.2 24.6 13.5 - -
Manly Railway Station - - - - - - - - - - - - - 2.6 - - - - 1.8 - - 1.0 2.4 0.6 32.0 - - 51.0 18.0

Maroon Dam - - - - - - - - - - - - - - - - - - 3.6 - - 0.4 0.4 4.2 7.8 27.0 10.0 - 3.0

Moogerah Dam - - - - - - - - - - - - - - - - - - - - - - - 2.0 7.0 9.0 19.0



Mt Alford - 0.6 - - - - - - - - - - 1.2

















Mt Tamborine Fern St - - - - - - - - - - - - - 5.0 1.0 - - - 8.5 - - - - - 32.0 15.0 - 17.2 14.0

Mt Tarampa - - - - - - - - - - - - - - 0.4 - - - 4.0 - - 10.0 6.0 1.2 15.6 7.4 - 28.0 11.8

Ormiston College - - - - - - - - - - - - - - - - - - - - - - - - ? 64.8 34.0



Peachester - 2.0 - - - - - - - - - - - 0.2 11.5 - - - - - - - 10.5 0.2 17.5 - 5.0 14.0


Point Lookout - - - - - - - - - 0.2 - ? ? 0.4 0.4 - - - 2.4 - - 0.2 0.4 ? ? 24.2 - 19.4 41.6 - -
Redcliffe - - - - - - - - - - - - - 0.2 0.6 - - - 1.6 - - 2.4 6.0 - 37.2 0.4 - 29.4 28.0 - -
Redland (Alexandra Hills) - - - - - - - - - - - - - 3.0 3.8 - - - 3.4 - - 0.2 3.2 0.4 30.2 28.8 - 32.4 15.8 - -
Regents Park - 0.2 - - - - - - - - - - - 3.0 0.2 - - - 1.6 - - - - 1.0 27.4 23.0 - 33.4 15.8 -
Rocky Point Sugar Mill - - - - - - - - - - - - - 4.0 2.4 - ? ? 1.0 - - - 0.9 ? ? 43.2 - 27.4 14.8

Somerset Dam - 0.4 - - - - - - - 1.2 - - - 0.2 1.2 - - - 5.4 - - 7.8 - - 10.4 1.4 0.2 7.6 14.2 - -
University of Queensland Gatton - - - - - - - - - - - - - - - - - - 3.0 - - 13.4 5.2 0.2 19.2 9.4 - 11.6 18.4 - -
Wamuran - - - - - - - - - - - - - - 1.6 - - - 1.8 0.1 - - - - 12.4 0.3 - 21.6 27.5 - -
Wivenhoe Dam - - - - - - - - - - - - - - - - ? ? 3.4 - - 9.2 2.4 0.2 9.4 25.2 - - 34.2

Woodford Stanmore - - - - - 0.6 - - - 3.8 - - - 0.6 10.0 - - - - - - 3.8 9.0 - 23.0 - - 10.6 58.4 -
Most values are the precipitation in the 24 hours to 9 am on the day indicated. Days marked with ? are part of a longer accumulation, which is shown on the final day.
Values over 100 mm have been rounded to the nearest whole millimetre.
Days marked with - have a rainfall report of zero; days left blank have no rainfall report (which often indicates no rain fell).
Rainfalls coloured
according to the amount
0 1.0 5.0 10.0 15.0 25.0 50.0 100 150 200 300 400 600 millimetres

Notes

The Monthly climate summary, generally published on the first working day of each month, lists the main features of the weather in Greater Brisbane 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 summary includes data from observing sites in or near the Greater Brisbane “Greater Capital City Statistical Area” (GCCSA). The Australian Bureau of Statistics designed the GCCSAs to “include the population within the urban area of the city, as well as people who regularly socialise, shop or work within the city, and live in small towns and rural areas surrounding the city. It is important to note that GCCSAs do not define the built up edge of the city. They provide a stable definition for these cities and are designed for the output of a range of social and economic survey data.

This statement has been prepared based on information available at 2 pm on Sunday 1 November 2020. 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.

Further information

Media
(03) 9669 4057

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