condition mean min max 0 h after light 5.006155 4.95367 5.05864 2 h after light 3.589435 3.44965 3.72922 4 h after light 2.925535 2.56893 3.28214 8 h after light 2.842835 2.79031 2.89536 12 h after light 3.90611 3.67277 4.13945 2 h after dark 4.486975 4.26675 4.7072 4 h after dark 4.550800000000001 4.48125 4.62035 8 h after dark 5.91769 5.28868 6.5467 12 h after dark 5.79891 5.49741 6.10041