condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0553605 0.0 0.110721 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.050765 0.0 0.10153 4 h after dark 0.0 0.0 0.0 8 h after dark 0.110924 0.0 0.221848 12 h after dark 0.0 0.0 0.0