condition	mean	min	max
4 h after light	8.18134	7.58364	8.77904
8 h after light	7.360335	5.12021	9.60046
12 h after light	13.87683	6.63586	21.1178
4 h after dark	11.34395	7.7627	14.9252
8 h after dark	8.96811	8.16247	9.77375
12 h after dark	8.255185	8.17335	8.33702