condition	mean	min	max
0 h after light	5.109030000000001	5.04298	5.17508
4 h after light	5.31154	4.97401	5.64907
8 h after light	5.221215	5.17415	5.26828
4 h after dark	7.305085	7.04146	7.56871
8 h after dark	6.02661	5.60205	6.45117
12 h after dark	5.914295	5.64133	6.18726