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Mount William Long-term Averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean Max (°C) |
21.2 | 20.1 | 17.5 | 12.4 | 8.4 | 5.8 | 5.1 | 6.1 | 8.9 | 12.6 | 15.8 | 18.1 | 12.6 |
| Mean Min (°C) |
10.2 | 9.5 | 8.4 | 6.0 | 3.6 | 1.8 | 1.0 | 1.3 | 2.3 | 3.9 | 6.3 | 7.8 | 5.1 |
| Mean Rain (mm) |
66.1 | 32.2 | 54.4 | 82.9 | 128.2 | 135.4 | 166.7 | 151.1 | 118.9 | 93.6 | 77.2 | 63.2 | 1163.8 |
| Median Rain (mm) |
46.8 | 35.4 | 30.4 | 79.0 | 119.2 | 107.8 | 156.0 | 123.4 | 86.8 | 56.4 | 73.2 | 99.4 | 1109.8 |
| Mean Rain Days |
9.3 | 11.3 | 14.8 | 18.3 | 22.2 | 23.3 | 24.4 | 23.9 | 21.1 | 17.2 | 15.5 | 12.1 | 211.6 |
Mount William Daily Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max (°C) |
36.6 | 36.6 | 32.2 | 26.1 | 18.0 | 13.4 | 12.1 | 16.1 | 20.8 | 27.0 | 32.1 | 36.1 | 36.6 |
| Low Max (°C) |
7.8 | 6.6 | 5.4 | 2.4 | -0.2 | -0.2 | -0.4 | -0.9 | -0.5 | 2.2 | 0.0 | 3.8 | -0.9 |
| High Min (°C) |
25.9 | 25.6 | 23.2 | 19.6 | 11.4 | 7.6 | 6.4 | 8.2 | 12.9 | 19.3 | 20.4 | 22.5 | 25.9 |
| Low Min (°C) |
0.9 | 1.0 | -0.1 | -1.2 | -2.1 | -2.6 | -4.1 | -3.8 | -3.8 | -3.3 | -2.5 | -0.5 | -4.1 |
| High Rain (mm) |
134.6 | 40.8 | 45.8 | 62.8 | 60.6 | 49.2 | 70.0 | 49.0 | 78.6 | 61.8 | 58.4 | 70.0 | 134.6 |
Mount William Monthly Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Mn. Max (°C) |
24.8 | 22.3 | 20.4 | 16.5 | 10.2 | 7.0 | 6.4 | 8.8 | 11.5 | 18.5 | 19.8 | 22.5 | 14.1 |
| Low Mn. Max (°C) |
19.0 | 16.9 | 14.5 | 9.5 | 6.8 | 4.0 | 3.7 | 3.6 | 6.8 | 10.1 | 11.3 | 14.7 | 11.8 |
| High Mn. Min (°C) |
12.6 | 12.1 | 11.2 | 8.0 | 5.6 | 3.2 | 2.0 | 3.6 | 4.4 | 7.6 | 10.8 | 10.7 | 5.9 |
| Low Mn. Min (°C) |
8.7 | 7.5 | 5.4 | 3.4 | 2.2 | 0.4 | -0.2 | 0.1 | 0.9 | 2.2 | 4.1 | 5.6 | 4.6 |
| High Rain (mm) |
289.6 | 93.6 | 138.2 | 177.0 | 240.2 | 324.8 | 276.6 | 312.0 | 328.2 | 240.8 | 115.4 | 183.2 | 1511.6 |
| Low Rain (mm) |
2.6 | 2.8 | 7.0 | 22.8 | 43.8 | 4.8 | 9.8 | 0.0 | 49.6 | 11.4 | 29.2 | 0.0 | 794.4 |
Mount William Annual Temperatures & Rainfall
Mount William Average Number of Days With Temperatures
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≥ 40°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 |
| ≥ 35°C |
0.4 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.6 |
| ≥ 30°C |
2.9 | 1.3 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 1.2 | 5.9 |
| ≤ 2°C |
0.3 | 0.2 | 0.8 | 3.8 | 9.5 | 16.4 | 22.9 | 20.9 | 16.6 | 13.5 | 7.1 | 3.1 | 115.1 |
| ≤ 0°C |
0.0 | 0.0 | 0.1 | 0.7 | 2.3 | 5.9 | 9.0 | 10.4 | 8.1 | 5.2 | 1.8 | 0.2 | 43.9 |
Mount William 'per Week' Values (14th/86th Percentiles)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max |
27.8 | 27.4 | 24.6 | 17.2 | 11.6 | 8.1 | 6.9 | 9.9 | 13.4 | 19.0 | 24.1 | 24.0 | 21.5 |
| Low Max |
14.3 | 13.3 | 10.9 | 6.9 | 5.0 | 2.9 | 2.4 | 3.1 | 4.4 | 6.0 | 9.3 | 11.1 | 4.7 |
| High Min |
16.8 | 16.0 | 14.0 | 9.7 | 6.5 | 3.8 | 2.5 | 3.8 | 5.0 | 8.4 | 13.7 | 13.4 | 11.4 |
| Low Min |
4.4 | 3.7 | 3.7 | 1.8 | 0.9 | -0.5 | -0.8 | -0.9 | -0.7 | -0.4 | 1.7 | 2.3 | 0.2 |
Mount William Data Availability
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Years of Minima |
19 | 19 | 19 | 19 | 19 | 18 | 19 | 19 | 19 | 18 | 18 | 18 | 18.0 |
| Earliest Entry |
2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2005 | 2005 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2023 | 2023 | 2024 |
| Years of Maxima |
19 | 19 | 19 | 19 | 19 | 18 | 19 | 19 | 19 | 18 | 18 | 18 | 18.0 |
| Earliest Entry |
2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2005 | 2005 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2023 | 2023 | 2024 |
| Years of Rainfall |
19 | 19 | 19 | 19 | 19 | 18 | 19 | 19 | 19 | 18 | 17 | 18 | 18.0 |
| Earliest Entry |
2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2006 | 2005 | 2005 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2023 | 2023 | 2024 |
Station Details
GRAMPIANS (MOUNT WILLIAM)
South West, Victoria
South West, Victoria
37.2950°S 142.6039°E
1150m AMSL
Commenced 2005
Commenced 2005
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