condition mean min max 2 h after light 0.4169738333333333 0.0 0.734557 6 h after light 0.34598249999999997 0.100217 0.750561 10 h after light 0.24475298333333334 0.0926239 0.684179 14 h after light 0.34422015 0.0974019 0.782183 18 h after light 0.3246025 0.160449 0.508887 2 h after dark 0.382236 0.0 0.871989