condition	mean	min	max
4 h after light	30.2158	29.1257	31.3059
8 h after light	11.799	11.1833	12.4147
12 h after light	3.346515	2.60533	4.0877
4 h after dark	6.195963333333333	5.65511	6.88333
8 h after dark	18.63896666666667	16.9629	19.9699
12 h after dark	28.4076	27.3025	29.634