condition mean min max 2 h after light 1.158893 0.586129 1.66141 6 h after light 1.0094246666666666 0.715974 1.24535 10 h after light 1.47315 1.38517 1.57729 2 h after dark 1.2792333333333332 1.04904 1.44183 6 h after dark 0.614154 0.400929 1.01806 10 h after dark 0.669111 0.479269 0.770489