condition	mean	min	max
4 h after light	68.1	68.1	68.1
8 h after light	12.5	12.2	12.8
12 h after light	66.0	42.6	89.4
4 h after dark	121.95	96.1	147.8
8 h after dark	72.5	53.2	91.8
12 h after dark	68.6	62.4	74.8