condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0488178 0.0 0.0917394 9 h after light 0.03913866666666667 0.0 0.117416 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.040271 0.0 0.120813 9 h after dark 0.0 0.0 0.0 12 h after dark 0.016500133333333333 0.0 0.0495004