condition	mean	min	max
4 h after light	8.817055	8.80955	8.82456
8 h after light	4.8709299999999995	4.7796	4.96226
12 h after light	6.210240000000001	6.1435	6.27698
4 h after dark	9.158175	7.21405	11.1023
8 h after dark	11.6126	11.4979	11.7273
12 h after dark	10.668389999999999	9.91658	11.4202