condition mean min max 4 h after light 10.4128875 8.840328 11.985447 8 h after light 11.555646 10.675722 12.43557 12 h after light 12.7897025 11.372574 14.206831 4 h after dark 10.763298500000001 10.063259 11.463338 8 h after dark 10.994658999999999 10.76512 11.224198 12 h after dark 11.224198 11.224198 11.224198