condition	mean	min	max
0 h after light	20.54065	20.0684	21.0129
4 h after light	8.952755	7.73111	10.1744
8 h after light	14.1672	13.3638	14.9706
4 h after dark	24.6953	22.2635	27.1271
8 h after dark	15.664649999999998	14.9749	16.3544
12 h after dark	14.95215	14.6978	15.2065