condition	mean	min	max
0 h after light	5.41392	5.33281	5.49503
4 h after light	2.7871449999999998	2.48316	3.09113
8 h after light	3.15966	3.11465	3.20467
4 h after dark	3.83096	3.48544	4.17648
8 h after dark	4.3032	4.11531	4.49109
12 h after dark	4.4114	4.24976	4.57304