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St Helens Ap Long-term Averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean Max (°C) |
23.0 | 22.1 | 21.1 | 18.6 | 16.1 | 14.1 | 13.6 | 14.4 | 16.1 | 17.6 | 19.5 | 21.3 | 18.1 |
| Mean Min (°C) |
13.5 | 13.4 | 11.9 | 9.7 | 7.3 | 5.6 | 4.9 | 5.3 | 6.7 | 8.2 | 10.3 | 11.8 | 9.0 |
| Mean Rain (mm) |
65.9 | 63.5 | 65.1 | 50.9 | 49.2 | 66.0 | 44.2 | 55.3 | 53.3 | 71.0 | 77.9 | 59.1 | 719.1 |
| Median Rain (mm) |
37.8 | 40.6 | 31.3 | 37.4 | 33.0 | 46.6 | 38.0 | 59.8 | 42.6 | 54.7 | 50.5 | 37.3 | 701.6 |
| Mean Rain Days |
8.7 | 10.2 | 9.6 | 12.2 | 14.0 | 17.0 | 17.1 | 15.6 | 12.3 | 12.6 | 11.4 | 10.7 | 150.1 |
St Helens Ap Daily Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max (°C) |
41.8 | 35.6 | 34.4 | 28.4 | 24.1 | 19.2 | 19.3 | 20.9 | 25.2 | 29.7 | 33.8 | 36.8 | 41.8 |
| Low Max (°C) |
15.6 | 13.9 | 11.9 | 10.8 | 9.8 | 9.2 | 9.0 | 8.8 | 10.2 | 11.1 | 11.1 | 13.6 | 8.8 |
| High Min (°C) |
21.2 | 21.0 | 20.7 | 17.5 | 15.9 | 15.3 | 12.8 | 12.5 | 14.2 | 17.2 | 18.2 | 20.0 | 21.2 |
| Low Min (°C) |
4.8 | 6.3 | 3.1 | 1.3 | 0.0 | -1.0 | -0.9 | -1.0 | -0.3 | 0.9 | 1.9 | 4.3 | -1.0 |
| High Rain (mm) |
148.0 | 84.6 | 112.0 | 184.0 | 104.0 | 83.6 | 41.0 | 64.0 | 82.4 | 67.2 | 121.0 | 69.4 | 184.0 |
St Helens Ap Monthly Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Mn. Max (°C) |
25.8 | 24.3 | 22.9 | 20.4 | 17.9 | 15.2 | 14.9 | 15.7 | 17.7 | 19.5 | 21.0 | 23.1 | 18.7 |
| Low Mn. Max (°C) |
20.4 | 20.1 | 19.8 | 16.4 | 14.5 | 12.7 | 12.7 | 12.9 | 14.5 | 15.3 | 17.6 | 18.6 | 17.3 |
| High Mn. Min (°C) |
15.0 | 15.5 | 13.6 | 11.0 | 9.6 | 7.0 | 7.0 | 7.8 | 8.0 | 9.4 | 11.8 | 13.4 | 9.6 |
| Low Mn. Min (°C) |
11.8 | 12.0 | 10.5 | 7.4 | 5.9 | 3.2 | 3.0 | 3.7 | 4.8 | 6.2 | 8.5 | 9.8 | 8.1 |
| High Rain (mm) |
238.4 | 200.6 | 173.4 | 229.2 | 179.0 | 180.2 | 82.2 | 184.8 | 122.4 | 234.4 | 291.4 | 169.2 | 1214.4 |
| Low Rain (mm) |
0.2 | 9.6 | 13.0 | 16.4 | 6.4 | 2.0 | 9.6 | 2.6 | 5.2 | 9.4 | 13.2 | 3.8 | 363.4 |
St Helens Ap Annual Temperatures & Rainfall
St Helens Ap 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 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.5 |
| ≥ 30°C |
1.7 | 1.0 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.5 | 0.5 | 3.8 |
| ≤ 2°C |
0.0 | 0.0 | 0.0 | 0.1 | 1.0 | 4.1 | 5.4 | 4.8 | 1.8 | 0.4 | 0.0 | 0.0 | 18.1 |
| ≤ 0°C |
0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.4 | 0.6 | 0.6 | 0.1 | 0.0 | 0.0 | 0.0 | 1.9 |
St Helens Ap 'per Week' Values (14th/86th Percentiles)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max |
26.2 | 24.6 | 24.1 | 21.3 | 18.4 | 16.0 | 15.2 | 16.6 | 18.3 | 20.0 | 22.7 | 24.2 | 22.3 |
| Low Max |
18.8 | 18.9 | 18.0 | 15.4 | 13.4 | 12.0 | 11.5 | 12.1 | 13.4 | 14.2 | 15.7 | 17.8 | 13.4 |
| High Min |
15.9 | 16.2 | 14.6 | 12.8 | 10.8 | 9.0 | 7.9 | 8.7 | 10.1 | 11.4 | 13.1 | 14.4 | 13.5 |
| Low Min |
9.9 | 10.2 | 8.1 | 6.1 | 4.2 | 2.0 | 1.8 | 2.0 | 3.3 | 4.5 | 7.1 | 8.3 | 4.0 |
St Helens Ap Data Availability
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Years of Minima |
23 | 23 | 23 | 22 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23.0 |
| Earliest Entry |
2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2023 | 2023 | 2024 |
| Years of Maxima |
23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23.0 |
| Earliest Entry |
2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2023 | 2023 | 2024 |
| Years of Rainfall |
23 | 22 | 22 | 22 | 24 | 24 | 23 | 24 | 23 | 23 | 23 | 23 | 23.0 |
| Earliest Entry |
2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2023 | 2023 | 2024 |
Station Details
ST HELENS AERODROME
East Coast, Tasmania
East Coast, Tasmania
41.3381°S 148.2792°E
48m AMSL
Commenced 2001
Commenced 2001
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