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Grenfell Long-term Averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean Max (°C) |
32.1 | 31.1 | 27.9 | 23.0 | 17.9 | 14.2 | 13.3 | 15.0 | 18.4 | 22.7 | 26.5 | 29.8 | 22.7 |
| Mean Min (°C) |
16.9 | 16.5 | 13.8 | 9.6 | 6.3 | 4.1 | 3.2 | 4.1 | 6.1 | 9.1 | 12.0 | 14.5 | 9.6 |
| Mean Rain (mm) |
52.9 | 48.0 | 49.2 | 46.7 | 49.3 | 58.6 | 56.1 | 55.1 | 49.2 | 55.0 | 52.2 | 55.4 | 626.0 |
| Median Rain (mm) |
36.0 | 29.3 | 30.2 | 33.1 | 39.8 | 47.6 | 49.1 | 50.6 | 40.8 | 47.7 | 35.0 | 39.6 | 585.1 |
| Mean Rain Days |
5.7 | 4.8 | 5.3 | 5.5 | 7.4 | 10.1 | 11.1 | 10.2 | 8.1 | 7.8 | 6.5 | 5.8 | 88.2 |
Grenfell Daily Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max (°C) |
44.0 | 43.8 | 38.9 | 35.3 | 26.5 | 23.3 | 22.5 | 26.5 | 32.5 | 35.6 | 42.1 | 44.0 | 44.0 |
| Low Max (°C) |
16.6 | 16.5 | 14.8 | 8.8 | 5.7 | 6.5 | 2.8 | 4.4 | 8.3 | 9.4 | 10.1 | 14.4 | 2.8 |
| High Min (°C) |
30.1 | 32.1 | 26.1 | 20.5 | 17.2 | 14.8 | 14.0 | 15.0 | 19.2 | 21.0 | 27.8 | 28.2 | 32.1 |
| Low Min (°C) |
6.0 | 4.9 | 2.8 | 0.0 | -2.5 | -6.5 | -5.0 | -4.2 | -2.7 | -1.1 | 1.2 | 3.5 | -6.5 |
| High Rain (mm) |
110.7 | 88.4 | 108.7 | 81.3 | 80.0 | 94.2 | 85.0 | 73.2 | 58.9 | 56.9 | 85.6 | 105.4 | 110.7 |
Grenfell Monthly Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Mn. Max (°C) |
36.4 | 35.9 | 31.5 | 27.8 | 20.6 | 17.0 | 15.7 | 20.1 | 22.1 | 27.6 | 32.4 | 33.6 | 24.1 |
| Low Mn. Max (°C) |
26.9 | 27.0 | 24.3 | 20.1 | 13.1 | 12.2 | 10.6 | 12.8 | 14.7 | 18.4 | 21.9 | 25.7 | 21.1 |
| High Mn. Min (°C) |
21.3 | 19.7 | 16.5 | 13.2 | 10.1 | 7.3 | 5.9 | 6.4 | 8.7 | 11.5 | 16.8 | 16.9 | 11.5 |
| Low Mn. Min (°C) |
12.6 | 13.4 | 10.9 | 6.1 | 2.6 | 0.5 | 0.6 | 0.8 | 3.5 | 6.5 | 9.1 | 10.8 | 8.0 |
| High Rain (mm) |
289.8 | 223.9 | 236.4 | 344.4 | 200.9 | 176.2 | 189.8 | 144.6 | 233.8 | 180.2 | 230.4 | 239.1 | 1104.1 |
| Low Rain (mm) |
0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.2 | 2.0 | 0.0 | 1.5 | 0.0 | 0.0 | 0.0 | 233.3 |
Grenfell Annual Temperatures & Rainfall
Grenfell Average Number of Days With Temperatures
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≥ 40°C |
1.1 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.3 | 2.0 |
| ≥ 35°C |
8.7 | 5.2 | 1.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.8 | 4.1 | 21.5 |
| ≥ 30°C |
20.9 | 17.0 | 9.4 | 0.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 2.1 | 7.1 | 15.5 | 72.3 |
| ≤ 2°C |
0.0 | 0.0 | 0.0 | 0.5 | 4.2 | 9.2 | 11.6 | 9.0 | 4.2 | 0.7 | 0.0 | 0.0 | 39.9 |
| ≤ 0°C |
0.0 | 0.0 | 0.0 | 0.1 | 1.1 | 3.7 | 6.0 | 3.5 | 1.1 | 0.1 | 0.0 | 0.0 | 15.9 |
Grenfell 'per Week' Values (14th/86th Percentiles)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max |
37.0 | 35.7 | 32.0 | 27.2 | 21.9 | 17.5 | 16.4 | 18.5 | 22.6 | 27.8 | 31.8 | 34.9 | 31.7 |
| Low Max |
27.0 | 26.4 | 23.3 | 19.0 | 14.4 | 11.0 | 10.0 | 11.5 | 14.1 | 17.5 | 20.9 | 24.7 | 13.9 |
| High Min |
21.0 | 20.6 | 17.8 | 14.1 | 11.0 | 8.0 | 7.0 | 7.8 | 10.6 | 14.1 | 17.0 | 19.3 | 16.8 |
| Low Min |
12.2 | 13.0 | 9.8 | 5.7 | 3.0 | 0.6 | 0.0 | 0.8 | 2.5 | 5.0 | 7.4 | 10.0 | 3.2 |
Grenfell Data Availability
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Years of Minima |
50 | 48 | 48 | 47 | 47 | 48 | 49 | 50 | 49 | 49 | 47 | 50 | 46.0 |
| Earliest Entry |
1965 | 1965 | 1965 | 1965 | 1965 | 1965 | 1965 | 1965 | 1965 | 1965 | 1965 | 1965 | 1965 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2023 | 2023 | 2023 | 2023 | 2023 | 2023 | 2023 | 2023 | 2024 |
| Years of Maxima |
49 | 50 | 50 | 47 | 48 | 49 | 51 | 49 | 51 | 49 | 51 | 49 | 48.0 |
| Earliest Entry |
1965 | 1965 | 1965 | 1965 | 1965 | 1965 | 1965 | 1965 | 1965 | 1965 | 1965 | 1965 | 1965 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2023 | 2023 | 2023 | 2023 | 2023 | 2023 | 2023 | 2023 | 2024 |
| Years of Rainfall |
138 | 137 | 136 | 136 | 136 | 135 | 135 | 135 | 135 | 135 | 136 | 136 | 135.0 |
| Earliest Entry |
1886 | 1886 | 1886 | 1886 | 1886 | 1886 | 1886 | 1886 | 1886 | 1886 | 1885 | 1885 | 1885 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2023 | 2023 | 2023 | 2023 | 2023 | 2023 | 2023 | 2023 | 2024 |
Station Details
GRENFELL (MANGANESE RD)
CW Slopes & Plains, New South Wales/ACT
CW Slopes & Plains, New South Wales/ACT
33.8934°S 148.1523°E
390m AMSL
Commenced 1885
Commenced 1885
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A quick look at our water storages
12:14 AEST Given the largely clear skies across the country today, it’s a good opportunity to take a look at the water storages of Australia’s major cities. While rainfall is obviously a major contributor to the level of major dams, it is not the only factor.
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