Air temperature: 80°F; humidity: 65%; seas: 2'; load: 125 gal. fuel, 53 gal. water, four persons. Speeds are two-way averages measured with Raymarine GPS. GPH taken via Yanmar enginemonitoring system. Range is based on 90% of advertised fuel capacity. Sound levels measured at the helm. 65 dB(A) is the level of normal conversation.