condition	mean	min	max
4 h after light	4.042400000000001	3.77925	4.30555
8 h after light	2.185015	2.15627	2.21376
12 h after light	3.452255	3.31818	3.58633
4 h after dark	6.27209	5.88435	6.65983
8 h after dark	9.067910000000001	8.60801	9.52781
12 h after dark	6.637734999999999	6.06816	7.20731