condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.01311065 0.0 0.0262213 12 h after light 0.0135781 0.0 0.0271562 4 h after dark 0.024642233333333333 0.0 0.0739267 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0