condition mean min max 4 h after light 0.7480180000000001 0.674632 0.821404 8 h after light 0.828094 0.801864 0.854324 12 h after light 1.20255 1.19032 1.21478 4 h after dark 1.1723633333333332 0.79141 1.50715 8 h after dark 0.7647263333333333 0.638928 0.991095 12 h after dark 1.0953203333333332 0.965035 1.35503