condition mean min max 3 h after light 0.327772 0.310671 0.36083 6 h after light 0.1629027 0.0998581 0.286232 9 h after light 0.15818633333333332 0.112429 0.184241 12 h after light 0.20837075 0.13228 0.26194 3 h after dark 0.46104566666666663 0.321078 0.624204 6 h after dark 0.527888 0.436261 0.668272 9 h after dark 0.4165196666666667 0.319001 0.566015 12 h after dark 0.3518505 0.270096 0.433605