condition	mean	min	max
0 h after light	8.812005	8.13662	9.48739
4 h after light	7.881315000000001	7.5431	8.21953
8 h after light	5.88851	5.83854	5.93848
4 h after dark	7.154815	6.61566	7.69397
8 h after dark	8.11412	7.88219	8.34605
12 h after dark	8.301435	8.14416	8.45871