condition	mean	min	max
4 h after light	63.9	63.9	63.9
8 h after light	67.6	64.1	71.1
12 h after light	53.4	43.3	63.5
4 h after dark	74.0	42.1	105.9
8 h after dark	77.6	44.7	110.5
12 h after dark	73.9	69.4	78.4