condition	mean	min	max
0 h after light	20.137999999999998	19.4653	20.8107
4 h after light	24.92725	23.0771	26.7774
8 h after light	18.31605	17.4139	19.2182
4 h after dark	23.23065	20.1509	26.3104
8 h after dark	27.506999999999998	23.4059	31.6081
12 h after dark	19.0034	18.7966	19.2102