condition	mean	min	max
0 h after light	11.106735	9.79877	12.4147
4 h after light	11.9612	11.4039	12.5185
8 h after light	20.160449999999997	19.3542	20.9667
4 h after dark	18.9213	16.0432	21.7994
8 h after dark	13.06155	11.3025	14.8206
12 h after dark	10.92465	10.0148	11.8345