condition	mean	min	max
4 h after light	5.8	5.8	5.8
8 h after light	56.2	44.7	67.7
12 h after light	38.25	33.2	43.3
4 h after dark	31.65	29.9	33.4
8 h after dark	33.7	23.8	43.6
12 h after dark	44.15	36.8	51.5