condition	mean	min	max
0 h after light	23.3571	22.1757	24.5385
4 h after light	14.8698	13.7345	16.0051
8 h after light	15.343699999999998	15.3433	15.3441
4 h after dark	17.77375	16.3304	19.2171
8 h after dark	20.92955	20.6984	21.1607
12 h after dark	18.26265	17.2742	19.2511