condition	mean	min	max
4 h after light	7.45907	6.00156	8.91658
8 h after light	6.06873	5.42865	6.70881
12 h after light	5.93438	5.49243	6.37633
4 h after dark	7.15377	6.27645	7.78124
8 h after dark	8.54459	7.87216	9.1349
12 h after dark	8.646139999999999	7.75726	9.14036