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St Lawrence Long-term Averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean Max (°C) |
31.7 | 31.6 | 30.8 | 29.3 | 26.7 | 24.3 | 23.8 | 25.0 | 27.1 | 29.0 | 30.4 | 31.3 | 28.4 |
| Mean Min (°C) |
22.7 | 22.6 | 21.2 | 18.6 | 15.3 | 12.4 | 10.9 | 12.0 | 14.7 | 17.9 | 20.3 | 22.0 | 17.5 |
| Mean Rain (mm) |
209.6 | 195.3 | 126.5 | 54.3 | 46.0 | 44.5 | 30.7 | 23.1 | 23.4 | 44.2 | 72.2 | 122.0 | 995.6 |
| Median Rain (mm) |
146.0 | 122.4 | 77.5 | 32.4 | 26.9 | 28.2 | 13.1 | 9.8 | 11.2 | 31.7 | 52.5 | 85.1 | 945.5 |
| Mean Rain Days |
10.7 | 10.8 | 9.2 | 6.1 | 5.6 | 4.9 | 4.0 | 3.4 | 3.2 | 4.4 | 6.3 | 8.1 | 77.2 |
St Lawrence Daily Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max (°C) |
44.0 | 41.3 | 39.3 | 35.3 | 32.0 | 31.7 | 31.6 | 32.8 | 36.7 | 39.1 | 41.1 | 40.8 | 44.0 |
| Low Max (°C) |
23.3 | 21.7 | 21.0 | 18.2 | 15.1 | 11.9 | 13.3 | 13.7 | 13.9 | 20.8 | 22.2 | 20.9 | 11.9 |
| High Min (°C) |
28.2 | 28.2 | 27.5 | 28.8 | 25.0 | 22.0 | 20.5 | 23.9 | 23.6 | 26.5 | 28.0 | 27.9 | 28.8 |
| Low Min (°C) |
16.7 | 10.1 | 13.9 | 7.7 | 5.6 | 2.5 | 1.0 | 2.8 | 5.6 | 9.0 | 9.4 | 12.0 | 1.0 |
| High Rain (mm) |
381.0 | 406.0 | 230.4 | 182.6 | 135.0 | 188.5 | 115.6 | 128.0 | 122.2 | 130.6 | 170.0 | 231.9 | 406.0 |
St Lawrence Monthly Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Mn. Max (°C) |
34.3 | 35.2 | 33.2 | 31.1 | 28.2 | 26.3 | 25.7 | 26.9 | 29.0 | 30.5 | 32.6 | 33.7 | 29.5 |
| Low Mn. Max (°C) |
29.3 | 29.4 | 28.9 | 26.7 | 25.0 | 20.7 | 21.1 | 23.2 | 25.7 | 27.2 | 27.9 | 29.6 | 27.2 |
| High Mn. Min (°C) |
24.2 | 24.7 | 22.5 | 20.4 | 18.2 | 14.9 | 14.6 | 14.5 | 18.6 | 20.7 | 22.3 | 24.4 | 18.7 |
| Low Mn. Min (°C) |
20.1 | 21.2 | 19.6 | 16.2 | 12.8 | 10.1 | 8.2 | 8.4 | 11.1 | 14.4 | 16.7 | 19.9 | 16.1 |
| High Rain (mm) |
1255.8 | 823.5 | 513.0 | 329.5 | 299.0 | 282.5 | 289.1 | 218.6 | 140.0 | 224.6 | 428.2 | 613.2 | 1976.1 |
| Low Rain (mm) |
0.2 | 3.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 197.7 |
St Lawrence Annual Temperatures & Rainfall
St Lawrence Average Number of Days With Temperatures
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≥ 40°C |
0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.2 |
| ≥ 35°C |
1.3 | 1.1 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 0.7 | 1.0 | 5.1 |
| ≥ 30°C |
25.6 | 22.6 | 22.9 | 12.0 | 0.9 | 0.2 | 0.1 | 0.4 | 2.0 | 7.6 | 18.9 | 24.9 | 136.1 |
| ≤ 2°C |
0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| ≤ 0°C |
0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
St Lawrence 'per Week' Values (14th/86th Percentiles)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max |
33.6 | 33.7 | 32.8 | 31.1 | 28.9 | 26.6 | 26.0 | 27.0 | 28.9 | 30.6 | 32.0 | 33.1 | 32.2 |
| Low Max |
29.7 | 29.4 | 29.0 | 27.5 | 24.6 | 22.0 | 21.7 | 23.0 | 25.3 | 27.2 | 28.9 | 29.7 | 24.5 |
| High Min |
24.7 | 24.4 | 23.1 | 21.0 | 18.6 | 16.0 | 15.0 | 15.6 | 18.0 | 21.1 | 23.0 | 24.4 | 22.8 |
| Low Min |
20.6 | 20.7 | 19.4 | 16.5 | 11.6 | 8.3 | 6.7 | 8.1 | 11.5 | 15.0 | 17.8 | 19.4 | 11.5 |
St Lawrence Data Availability
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Years of Minima |
52 | 54 | 53 | 54 | 54 | 53 | 54 | 51 | 50 | 51 | 50 | 47 | 50.0 |
| Earliest Entry |
1957 | 1957 | 1957 | 1957 | 1957 | 1957 | 1957 | 1957 | 1957 | 1957 | 1957 | 1957 | 1957 |
| Latest Entry |
2012 | 2012 | 2012 | 2012 | 2012 | 2012 | 2012 | 2012 | 2011 | 2011 | 2011 | 2011 | 2012 |
| Years of Maxima |
52 | 54 | 54 | 53 | 54 | 52 | 53 | 51 | 49 | 52 | 48 | 48 | 51.0 |
| Earliest Entry |
1957 | 1957 | 1957 | 1957 | 1957 | 1957 | 1957 | 1957 | 1957 | 1957 | 1957 | 1957 | 1957 |
| Latest Entry |
2012 | 2012 | 2012 | 2012 | 2012 | 2012 | 2012 | 2012 | 2011 | 2011 | 2011 | 2011 | 2012 |
| Years of Rainfall |
131 | 132 | 133 | 133 | 133 | 135 | 138 | 140 | 135 | 130 | 130 | 131 | 130.0 |
| Earliest Entry |
1888 | 1887 | 1886 | 1872 | 1877 | 1877 | 1878 | 1875 | 1876 | 1873 | 1879 | 1881 | 1872 |
| Latest Entry |
2023 | 2024 | 2023 | 2023 | 2023 | 2024 | 2023 | 2024 | 2024 | 2022 | 2023 | 2023 | 2024 |
Station Details
ST LAWRENCE POST OFFICE
Capricornia, Queensland
Capricornia, Queensland
22.3458°S 149.5356°E
18m AMSL
Commenced 1870
Commenced 1870
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Nature?s air conditioner: how the seabreeze will help Sydney cope during the heatwave
14:37 AEDT As heatwave conditions take hold of southeastern Australia this weekend, the cooling seabreeze will be crucial in easing daytime heat, but how does it form? During periods with weak synoptic forcing, with a broad high pressure system moving slowly over the Tasman Sea, the seabreeze circulation dominates, as we can see below.
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