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.
Penzance
Average values for 2021
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 0.73 | 8.6 | 4.7 | 180 | 9.5 |
| February | 1.41 | 9.3 | 5.3 | 179 | 9.1 |
| March | 0.63 | 10 | 4.4 | 180 | 9.7 |
| April | 0.41 | 7.3 | 3.8 | 162 | 10.5 |
| May | 0.75 | 7.9 | 4.4 | 186 | 11.7 |
| June | 0.3 | 8.1 | 4.1 | 176 | 14.7 |
| July | 0.41 | 6.7 | 4 | 180 | 16.5 |
| August | 0.38 | 6.6 | 3.8 | 177 | 15.7 |
| September | 0.44 | 8.2 | 4.3 | 175 | 17.2 |
| October | 0.82 | 8 | 4.6 | 184 | 14.9 |
| November | 0.42 | 9.5 | 4.4 | 183 | 13.2 |
| December | 1 | 8.2 | 4.2 | 181 | 11.6 |
