National Network of Regional Coastal Monitoring Programmes
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Note that these are real-time data and are not quality-controlled. Long-range graphs are plotted from a randomised subsample of half-hourly data.
Porthleven
Average values for 2016
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 2.36 | 10.8 | 6.1 | 233 | 11.1 |
| February | 1.87 | 11.2 | 6.3 | 236 | 10.5 |
| March | 1.28 | 11.3 | 6.2 | 240 | 9.7 |
| April | 1.09 | 10.4 | 5.2 | 225 | 10.3 |
| May | 0.72 | 9.7 | 5.3 | 229 | 11.6 |
| June | 0.8 | 8.9 | 5.3 | 239 | - |
| July | 0.78 | 8.8 | 4.7 | 238 | 15.1 |
| August | 0.92 | 9.1 | 4.9 | 236 | - |
| September | 1.22 | 10 | 5.4 | 238 | 16.3 |
| October | 0.82 | 10.4 | 5.5 | 235 | 15.9 |
| November | 0.87 | 10 | 5 | 233 | 14.1 |
| December | 1.41 | 11.3 | 6 | 232 | 11.9 |
