condition mean min max 3 h after light 0.424792 0.0 1.02498 6 h after light 0.069952 0.0 0.209856 9 h after light 0.0 0.0 0.0 12 h after light 0.11056625 0.0 0.23276 3 h after dark 0.0 0.0 0.0 6 h after dark 0.196443 0.0 0.367466 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0