condition mean min max 0 h after light 0.0336505 0.0 0.067301 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0346861 0.0346202 0.034752 12 h after light 0.0384116 0.0 0.0768232 2 h after dark 0.0 0.0 0.0 4 h after dark 0.01617125 0.0 0.0323425 8 h after dark 0.03784905 0.0 0.0756981 12 h after dark 0.0 0.0 0.0