condition	mean	min	max
0 h after light	17.552999999999997	16.6695	18.4365
4 h after light	15.13545	15.1041	15.1668
8 h after light	25.0674	23.4599	26.6749
4 h after dark	31.21515	29.3371	33.0932
8 h after dark	24.679450000000003	23.4141	25.9448
12 h after dark	15.906600000000001	15.474	16.3392