condition	mean	min	max
0 h after light	27.50525	26.4745	28.536
4 h after light	17.10085	16.7188	17.4829
8 h after light	16.8464	16.7837	16.9091
4 h after dark	12.47055	10.0056	14.9355
8 h after dark	16.65205	13.3341	19.97
12 h after dark	23.44325	16.5654	30.3211