condition mean min max 3 h after light 0.05967366666666667 0.0 0.179021 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.014913233333333333 0.0 0.0447397 3 h after dark 0.042145999999999996 0.0 0.126438 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0