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 2013
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 1.77 | 11.6 | 6.3 | 234 | 10.1 |
| February | 1.22 | 11.8 | 6 | 237 | 9.2 |
| March | 1.16 | 11.1 | 5.8 | 226 | 8.3 |
| April | 1.36 | 11.2 | 5.8 | 236 | 8.6 |
| May | 0.87 | 10.1 | 4.7 | 238 | 10.5 |
| June | 0.93 | 9.2 | 4.9 | 233 | 12.7 |
| July | 0.64 | 9.7 | 4.7 | 217 | 15.8 |
| August | 0.78 | 9 | 4.8 | 237 | 16.3 |
| September | 0.81 | 9.4 | 5.1 | 236 | 15.3 |
| October | 1.57 | 9.8 | 5.6 | 234 | 15.1 |
| November | 1.17 | 11.1 | 6.3 | 240 | 12.5 |
| December | 2.36 | 11.4 | 6.2 | 232 | 11.2 |
