condition mean min max 0 h after light 0.105961 0.0 0.211922 4 h after light 1.8198249999999998 1.04593 2.59372 8 h after light 0.860537 0.209664 1.51141 4 h after dark 0.2091415 0.0 0.418283 8 h after dark 0.7334425 0.421315 1.04557 12 h after dark 0.310541 0.0 0.621082