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Rocky Gully Long-term Averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean Max (°C) |
27.6 | 27.4 | 25.1 | 21.9 | 18.6 | 15.7 | 14.7 | 15.4 | 16.8 | 19.4 | 22.9 | 25.7 | 20.9 |
| Mean Min (°C) |
12.7 | 13.3 | 12.6 | 10.9 | 9.1 | 7.6 | 6.5 | 6.7 | 7.2 | 8.2 | 9.8 | 11.1 | 9.7 |
| Mean Rain (mm) |
19.2 | 18.4 | 35.5 | 54.0 | 76.7 | 128.1 | 114.2 | 105.5 | 90.5 | 56.2 | 40.3 | 26.1 | 734.6 |
| Median Rain (mm) |
6.7 | 7.4 | 28.2 | 35.0 | 74.6 | 100.6 | 95.2 | 100.7 | 94.1 | 46.9 | 28.4 | 17.2 | 686.8 |
| Mean Rain Days |
7.5 | 6.8 | 10.4 | 13.6 | 17.5 | 20.8 | 22.4 | 21.8 | 20.1 | 16.1 | 11.8 | 7.9 | 171.6 |
Rocky Gully Daily Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max (°C) |
43.1 | 43.3 | 40.7 | 35.0 | 29.1 | 22.7 | 21.5 | 24.6 | 27.4 | 34.0 | 38.1 | 41.8 | 43.3 |
| Low Max (°C) |
15.9 | 15.6 | 11.6 | 9.2 | 10.3 | 8.1 | 8.8 | 7.3 | 9.7 | 11.1 | 12.5 | 14.9 | 7.3 |
| High Min (°C) |
22.9 | 23.9 | 23.8 | 18.8 | 17.8 | 13.4 | 13.4 | 14.3 | 16.2 | 18.0 | 20.1 | 20.6 | 23.9 |
| Low Min (°C) |
3.2 | 5.3 | 4.2 | 2.7 | 1.2 | -1.6 | -0.4 | -0.4 | 0.1 | 0.9 | 0.5 | 3.0 | -1.6 |
| High Rain (mm) |
36.6 | 56.6 | 44.2 | 84.2 | 36.0 | 478.4 | 55.2 | 45.4 | 36.8 | 47.6 | 51.8 | 46.0 | 478.4 |
Rocky Gully Monthly Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Mn. Max (°C) |
30.3 | 30.1 | 27.2 | 24.6 | 20.8 | 17.4 | 15.6 | 17.3 | 19.1 | 23.5 | 25.4 | 30.7 | 22.1 |
| Low Mn. Max (°C) |
24.2 | 25.0 | 22.4 | 18.5 | 16.7 | 13.6 | 13.5 | 13.8 | 14.1 | 16.6 | 19.2 | 22.3 | 19.9 |
| High Mn. Min (°C) |
14.9 | 15.3 | 14.9 | 13.3 | 11.7 | 8.7 | 7.7 | 8.8 | 8.8 | 10.3 | 12.0 | 12.7 | 10.4 |
| Low Mn. Min (°C) |
10.9 | 11.7 | 11.4 | 9.6 | 7.4 | 5.9 | 4.8 | 5.0 | 5.2 | 6.4 | 8.0 | 9.3 | 9.0 |
| High Rain (mm) |
107.6 | 87.0 | 113.4 | 203.0 | 155.2 | 821.0 | 192.0 | 169.6 | 197.2 | 120.2 | 101.0 | 121.6 | 1349.4 |
| Low Rain (mm) |
1.0 | 1.4 | 3.4 | 1.8 | 33.8 | 13.2 | 53.4 | 28.2 | 35.6 | 19.2 | 9.6 | 2.0 | 303.4 |
Rocky Gully Annual Temperatures & Rainfall
Rocky Gully Average Number of Days With Temperatures
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≥ 40°C |
0.5 | 0.2 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.9 |
| ≥ 35°C |
3.2 | 2.5 | 1.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.5 | 1.8 | 9.2 |
| ≥ 30°C |
9.8 | 8.4 | 5.4 | 1.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.5 | 3.2 | 6.5 | 35.2 |
| ≤ 2°C |
0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.4 | 1.1 | 0.6 | 0.7 | 0.2 | 0.0 | 0.0 | 3.0 |
| ≤ 0°C |
0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 |
Rocky Gully 'per Week' Values (14th/86th Percentiles)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max |
32.8 | 33.8 | 31.4 | 26.7 | 22.2 | 18.0 | 16.6 | 17.5 | 19.2 | 22.5 | 27.9 | 31.1 | 27.8 |
| Low Max |
21.7 | 21.8 | 19.5 | 17.3 | 15.3 | 13.0 | 12.4 | 12.6 | 13.4 | 14.9 | 17.6 | 19.7 | 14.5 |
| High Min |
15.6 | 16.4 | 16.1 | 13.7 | 12.4 | 10.2 | 9.0 | 9.3 | 9.8 | 10.8 | 12.8 | 14.1 | 13.6 |
| Low Min |
9.2 | 9.3 | 8.7 | 7.6 | 6.3 | 4.9 | 3.7 | 3.8 | 4.2 | 4.8 | 6.3 | 7.7 | 5.5 |
Rocky Gully Data Availability
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Years of Minima |
29 | 30 | 29 | 28 | 28 | 26 | 26 | 26 | 29 | 29 | 29 | 29 | 28.0 |
| Earliest Entry |
1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 |
| Latest Entry |
2025 | 2025 | 2025 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2025 |
| Years of Maxima |
29 | 29 | 29 | 29 | 28 | 27 | 27 | 27 | 29 | 29 | 29 | 29 | 28.0 |
| Earliest Entry |
1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 |
| Latest Entry |
2025 | 2025 | 2025 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2025 |
| Years of Rainfall |
28 | 30 | 29 | 28 | 28 | 25 | 25 | 25 | 29 | 28 | 29 | 29 | 28.0 |
| Earliest Entry |
1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 | 1996 |
| Latest Entry |
2025 | 2025 | 2025 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2025 |
Station Details
ROCKY GULLY
Southern Coastal, Western Australia
Southern Coastal, Western Australia
34.5714°S 117.0106°E
250m AMSL
Commenced 1995
Commenced 1995
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Months of rain in a day in southern WA
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