condition	mean	min	max
0 h after light	15.8488	15.1688	16.5288
4 h after light	16.91555	15.727	18.1041
8 h after light	13.094899999999999	12.3743	13.8155
4 h after dark	16.2339	14.9565	17.5113
8 h after dark	20.26075	19.0298	21.4917
12 h after dark	17.0805	16.7429	17.4181