condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.036426 0.0 0.109278 9 h after light 0.0 0.0 0.0 12 h after light 0.03801266666666667 0.0 0.114038 3 h after dark 0.03904866666666667 0.0 0.117146 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.096565 0.0 0.165164