condition mean min max 3 h after light 0.01793301 0.0 0.082901 7 h after light 0.016134525 0.0 0.0480404 11 h after light 0.0215522 0.0 0.0784187 2 h after dark 0.015172783333333334 0.0 0.0467868 6 h after dark 0.013463641666666668 0.0 0.0817588 10 h after dark 0.013840608333333334 0.0 0.0621178