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.
Chesil
Average values for 2020
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 1.45 | 9.5 | 5.4 | 216 | 10 |
| February | 2.15 | 8.8 | 5.3 | 222 | 9.4 |
| March | 1.12 | 8.3 | 5 | 202 | 9.3 |
| April | 0.55 | 9.7 | 5.2 | 205 | 10.5 |
| May | 0.6 | 8.7 | 4.8 | 205 | 12.6 |
| June | 0.68 | 6.6 | 4.1 | 215 | 15.1 |
| July | 0.75 | 6.2 | 3.8 | 221 | 16.4 |
| August | 0.83 | 7.3 | 4.3 | 220 | 18.1 |
| September | 0.65 | 7.4 | 4.2 | 213 | 17.3 |
| October | 1.31 | 7 | 4.6 | 216 | 14.6 |
| November | 1.25 | 8.6 | 4.9 | 210 | 13 |
| December | 1.4 | 8.7 | 4.9 | 219 | 10.7 |
