condition	mean	min	max
4 h after light	52.8	52.8	52.8
8 h after light	39.65	35.8	43.5
12 h after light	63.199999999999996	48.8	77.6
4 h after dark	51.599999999999994	40.3	62.9
8 h after dark	23.6	18.9	28.3
12 h after dark	43.8	31.6	56.0