perigean range

The average range of tide at the time of perigean tides, when the moon is near perigee; the perigean range is greater than the mean range.

Related terms:

• perigean tide
• perigean tidal currents
• spring range
• neap range
• tidal range
• meteorological range
• range of tide
• mean spring range
• mean neap range
• diurnal range