condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.027739200000000002 0.0 0.0832176 6 h after dark 0.09129263333333333 0.0718914 0.119072 9 h after dark 0.04563953333333333 0.0 0.0757856 12 h after dark 0.11449305 0.0641671 0.164819