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 2017
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 0.85 | 8.8 | 4.7 | 216 | 9 |
| February | 1.34 | 10.2 | 5.5 | 212 | 8.4 |
| March | 1.18 | 9 | 5.1 | 213 | 9.5 |
| April | 0.48 | 8.1 | 4.1 | 213 | 11 |
| May | 0.68 | 8.7 | 4.7 | 216 | 12.7 |
| June | 0.85 | 7.5 | 4.5 | 222 | 15.3 |
| July | 0.77 | 6 | 3.9 | 218 | 16.9 |
| August | 0.75 | 5.9 | 4 | 223 | 17.6 |
| September | 1.06 | 7.1 | 4.4 | 223 | 16.8 |
| October | 1.22 | 7.8 | 4.6 | 224 | 15.5 |
| November | 0.97 | 7.1 | 4.2 | 224 | 12.9 |
| December | 1.26 | 8.3 | 4.6 | 224 | 10 |
