Air temperature: 85°F; humidity: 40%; seas: flat; wind: 6 knots; load: 125 gal. fuel, 15 gal. water, 2 persons. Speeds are two-way averages measured by Raymarine GPS. GPH taken via Volvo Penta display. Range is based on 90% of advertised fuel capacity. Sound levels measured at the helm. 65 dB(A) is the level of normal conversation.