condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.022284066666666668 0.0 0.0668522 9 h after light 0.0175585 0.0 0.0526755 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 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