| Station statistics | OMI-TOC NN | Modified OMI-TOC NN | ||||
---|---|---|---|---|---|---|---|
Station | N. data | Mean TOC | Std. dev. | RMSE | Mean bias | RMSE | Mean bias |
 |  | [DU] | [DU] | [DU] | [DU] | [DU] | [DU] |
Ankara | 112 | 38.04 | 11.54 | 8.33 | −0. 21 | 7.68 | 0.40 |
Izaña | 227 | 37.38 | 8.31 | 8.67 | −5. 46 | 8.71 | −5. 97 |
L’Aquila | 76 | 36.00 | 11.59 | 8.68 | 2.50 | 7.35 | 1.42 |
Lerwick | 240 | 44.80 | 13.41 | 12.96 | −9. 28 | 8.60 | −3. 46 |
San Pietro | 12 | 34.82 | 6.55 | 5.51 | 0.35 | 3.91 | 1.17 |
Capofiume | Â | Â | Â | Â | Â | Â | Â |
Valentia | 141 | 43.31 | 11.54 | 9.63 | −6. 18 | 8.88 | −5. 54 |
Observatory | Â | Â | Â | Â | Â | Â | Â |
Overall | 808 | 40.54 | 11.83 | 10.21 | −5. 17 | 8.40 | −3. 47 |