condition	mean	min	max
0 h after light	6.981055	6.68907	7.27304
4 h after light	12.7432	10.8577	14.6287
8 h after light	8.209275	6.5371	9.88145
4 h after dark	8.309745	7.61103	9.00846
8 h after dark	15.321200000000001	13.5299	17.1125
12 h after dark	8.685465	7.25033	10.1206