condition	mean	min	max
4 h after light	8.414586666666667	7.662939999999999	8.80788
8 h after light	6.97591	6.24322	7.36227
12 h after light	7.83889	7.054639999999999	8.38295
4 h after dark	8.267966666666666	7.699839999999999	8.676219999999999
8 h after dark	9.16581	8.6074	9.50098
12 h after dark	9.740216666666667	9.27234	10.05147