Table 2: Inverse hydro-barometric factor ( ) estimation in different Italian ports—one year observation.

Gulf (cm/hPa)

La Spezia1.9
Genova1.8
Marina di Carrara1.7
Piombino1.8
Civitavecchia1.6
Livorno1.9
Ancona1.8
Bari1.6
Ravenna2.2